Split type hot chamber assembly and die casting machine

Abstract

The split type hot chamber assembly comprises a crucible module, the crucible module comprises a pot body, a bottom plate and a containing cavity formed by the pot body and the bottom plate, the bottom plate is provided with a butt joint piece, the butt joint piece is provided with a first end and a second end, the first end of the butt joint piece is arranged on the side, facing the containing cavity, of the bottom plate, and the second end of the butt joint piece is arranged on the side, facing the containing cavity, of the bottom plate; the butt joint piece is provided with a through channel; the nozzle module comprises a nozzle, and the nozzle is provided with a through hole; and a die-casting runner having a conduit. The first end of the pipeline is connected with the second end of the butt joint piece, and the second end of the pipeline is connected with the nozzle; the hot chamber assembly is configured in the mode that the melt in the containing cavity flows into the channel of the butt joint piece, pressure is applied to the melt in the channel so that the melt can flow to the nozzle along the pipeline, and the melt is injected into the mold from the through hole of the nozzle. The distance between the crucible module and the nozzle module, the relative height, the positions of the crucible module and the nozzle module on the die-casting machine and the like can be reasonably adjusted according to actual conditions.

Description

Technical Field

[0001] This application relates to a split-type hot chamber assembly and a die-casting machine. Background Technology

[0002] A die-casting machine is a machine used for pressure casting. Under pressure, the die-casting machine injects molten metal into a mold to cool and solidify. After the mold is opened, a solid metal casting is obtained. In existing technologies, the crucible inside the die-casting machine has a flow channel for the molten metal, with a nozzle at the end of the channel; the crucible and channel are an integral structure. In some designs, the channel and nozzle are also an integral structure. This integral structure, due to its fixed shape, limits the overall design of the die-casting machine. The nozzle and mold are usually fitted together by abutment; if the seal at the contact point is insufficient, molten metal leakage or insufficient pressure will occur, leading to casting failure and posing safety hazards. Summary of the Invention

[0003] This application provides a split-type hot chamber assembly and a die-casting machine to solve at least one technical problem in the prior art.

[0004] A first aspect of this application provides a split-type hot chamber assembly, which includes:

[0005] A crucible module includes a pot body and a bottom plate, the pot body and the bottom plate forming a cavity, the bottom plate being provided with a connecting member, the connecting member having a first end and a second end, the first end of the connecting member being located on the side of the bottom plate facing the cavity, and the connecting member being provided with a channel penetrating its first end and second end;

[0006] A nozzle module, comprising a nozzle having a through hole, the nozzle being configured to mate with a die-casting hole in the mold; and

[0007] Die-casting flow channel, the die-casting flow channel including a pipe;

[0008] The first end of the pipe is connected to the second end of the docking member, and the second end of the pipe is connected to the nozzle; the hot chamber assembly is configured such that the molten liquid in the cavity flows into the channel of the docking member, pressurizes the molten liquid in the channel to make the molten liquid flow along the pipe to the nozzle, and injects it into the mold through the through hole of the nozzle.

[0009] In some embodiments, the first end of the docking member is provided with a cylinder body, which is detachably fitted into the channel; the cylinder body has an inner cavity, and the side wall of the cylinder body is provided with a liquid inlet hole, which divides the inner cavity into two sections. The first section of the inner cavity is close to the second end of the docking member, and the inner cavity communicates with the cavity through the liquid inlet hole; a die-cast piston is provided in the inner cavity of the cylinder body.

[0010] In some implementations, the base plate is provided with a first mounting hole, through which the mating member passes and is fixedly connected to the base plate.

[0011] In some embodiments, the pot body and the bottom plate are separate structures. The inner wall of the pot body is provided with an inwardly extending convex ring. The side wall of the bottom plate is clearance-fitted with the inner wall of the pot body. The side wall of the bottom plate is provided with an inwardly recessed annular groove, and the annular groove is located at the end of the bottom plate facing the convex ring. The annular groove and the convex ring are engaged.

[0012] In some implementations, the outer side of the pot is covered with a first insulation layer.

[0013] In some embodiments, a first induction tube for heating is wound around the outside of the pot body.

[0014] In some implementations, the pipe is provided with connectors at both ends, and the connectors at both ends of the pipe are detachably connected to the docking component and the nozzle, respectively.

[0015] In some implementations, the outside of the pipe is wrapped with a second insulation layer.

[0016] In some embodiments, a second sensing tube for maintaining temperature is wound around the outside of the pipe.

[0017] In some embodiments, the nozzle module further includes a nozzle seat, the nozzle seat having a through second mounting hole, the nozzle being detachably connected to a first end of the second mounting hole; the nozzle seat having a connecting end, the connecting end being located at a second end of the second mounting hole, the connecting end having an external thread, and the second end of the pipe having an internal thread and being threadedly connected to the connecting end.

[0018] A second aspect of this application provides a die-casting machine including a moving device and the aforementioned hot chamber assembly, the moving device being used to drive the hot chamber assembly to move such that the nozzle can selectively approach and abut against the mold.

[0019] In some embodiments, the moving device includes: a base, to which the crucible module is fixed; an elastic guiding mechanism, with a first end fixed to the base and a second end connected to the nozzle module; and a telescopic mechanism for driving the base and the hot chamber assembly to move; wherein the elastic guiding mechanism is configured such that: the telescopic mechanism drives the nozzle to abut against the mold and continues to drive the base to move a preset distance toward the mold; the elastic guiding mechanism can collapse and generate elastic deformation when the nozzle is obstructed; and the nozzle maintains a tight fit with the mold under the action of elastic force.

[0020] In some embodiments, the elastic guiding mechanism includes a bearing housing fixedly connected to the base. The bearing housing is provided with a linear bearing, and a guide post is slidably connected inside the linear bearing. The guide post is connected to the nozzle module, and a spring is sleeved on the outside of the guide post. The first end of the spring acts on the nozzle module, and the second end of the spring acts on the bearing housing.

[0021] In some embodiments, the device further includes a body on which both the moving device and the hot chamber assembly are mounted; the body is provided with a guide rail and at least one slide table that can slide along the guide rail, the slide table being configured to support the mold.

[0022] In some embodiments, the machine body is provided with a drive device for driving the slide to move along the guide rail.

[0023] Compared with existing technologies, this application allows for reasonable adjustments to the distance and relative height between the crucible module and the nozzle module, as well as their positions on the die-casting machine, based on actual conditions, compared to an integrated pot and nozzle design. The split structure reduces the design complexity of the die-casting machine and allows for a more rational layout. Secondly, the elastic guiding mechanism ensures a tight fit between the nozzle and the mold and can also compensate for nozzle length wear. Thirdly, the pot body and bottom plate, the connecting parts and bottom plate, and the cylinder body and connecting parts can all be selected as split structures, facilitating adaptation to different models and replacement of parts. Attached Figure Description

[0024] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. Wherein:

[0025] Figure 1 This is a schematic diagram of the overall structure of one of the die-casting machines in the embodiments of this application;

[0026] Figure 2 This is a schematic diagram of the overall structure of one of the hot chamber components in an embodiment of this application;

[0027] Figure 3 This is a cross-sectional view of the crucible module in one of the embodiments of this application;

[0028] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle;

[0029] Figure 5 for Figure 3 A magnified view of a portion of point B in the middle;

[0030] Figure 6 for Figure 5 An explosion diagram;

[0031] Figure 7 This is a cross-sectional view of the die-casting flow channel in one direction in an embodiment of this application;

[0032] Figure 8 This is a cross-sectional view of the nozzle module in one of the embodiments of this application;

[0033] Figure 9 This is a schematic diagram of one possible combination of the hot chamber assembly and the moving device in an embodiment of this application;

[0034] Figure 10 for Figure 9 Another perspective illustration;

[0035] Figure 11 for Figure 10 A cross-sectional view along the CC direction;

[0036] Figure 12 for Figure 11 A schematic diagram of the structure of one of the linear elastic components;

[0037] Figure 13 This is a schematic diagram of another state of the lifting device in the embodiments of this application;

[0038] Figure 14 for Figure 1 A schematic diagram from one of the perspectives;

[0039] Figure 15 for Figure 1 A schematic diagram from one of the perspectives;

[0040] Figure 16 for Figure 15 A cross-sectional view along the DD direction;

[0041] Figure 17 for Figure 16 A magnified view of a portion of point E in the middle;

[0042] Figure 18 This is a schematic diagram of one type of mold in the embodiments of this application.

[0043] Explanation of reference numerals in the attached figures:

[0044] 10-Body; 101-Guide rail base; 1011-Linear guide rail; 102-Slide table; 1021-Guide rail slider; 103-Linear drive device;

[0045] 20-Hot chamber assembly; 21-Crucible module; 211-Pot body; 2111-Cavity; 2112-Protruding ring; 212-Base plate; 2121-First assembly hole; 2122-Annular groove; 213-Matching part; 2131-Cavity; 2132-Liquid outlet; 2133-Outer edge; 214-Cylinder body; 2141-Inner cavity; 2142-Liquid inlet; 215-Die-casting piston; 216-First insulation layer; 217-First heating tube; 22-Die-casting flow channel; 221-Pipe; 222 - Second insulation layer; 223- Threaded connector; 224- Second heating tube; 23- Nozzle module; 231- Nozzle; 2311- First through hole; 232- Nozzle seat; 2321- Second assembly hole; 2322- Connecting end; 24- Base; 241- Crucible support; 242- Elastic guide mechanism; 2421- Support column; 2422- Bearing seat; 2423- Spring; 2424- Linear bearing; 2425- Guide column; 2426- Second through hole; 2427- Limiting baffle;

[0046] 31-First lifting device; 32-Second lifting device; 311-Support frame; 312-Cylinder; 3121-Telescopic piston; 313-Multi-link structure; 3131-First section; 3132-Second section; 3133-Third section; 3134-Fourth section;

[0047] 40-Mold; 401-Upper mold; 4011-Die casting hole; 402-Lower mold; 4021-Mold groove. Detailed Implementation

[0048] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation and not by way of limitation. In fact, those skilled in the art will recognize that modifications and variations can be made to the present application without departing from the scope or spirit thereof. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desirable that the present application encompass such modifications and variations that fall within the scope of the appended claims and their equivalents.

[0049] In the description of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and do not require that this application be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. The terms "connected," "linked," and "set up" used in this application should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; direct connections or indirect connections through intermediate components; wired connections, radio connections, or wireless communication signal connections. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0050] The accompanying drawings illustrate one or more examples of this application. The detailed description uses numerical and alphabetic designations to refer to features in the drawings. Similar or analogous designations in the drawings and description have been used to refer to similar or analogous parts of this application. As used herein, the terms “first,” “second,” and “third,” etc., are used interchangeably to distinguish one component from another and are not intended to indicate the location or importance of individual components.

[0051] like Figure 1 and Figure 2 As shown, according to an embodiment of this application, a die-casting machine is provided, which includes a split-type hot chamber assembly 20. The hot chamber assembly 20 includes a crucible module 21, a nozzle module 23, and a die-casting flow channel 22, wherein the die-casting flow channel 22 includes a pipe 221, and the crucible module 21 is connected to the nozzle module 23 through the pipe 221. The crucible module 21 includes a pot body 211, and a bottom plate 212 is provided at the bottom of the pot body 211, forming a cavity 2111. A connecting member 213 passes through the bottom plate 212, and the connecting member 213 has a first end and a second end, wherein the first end is located in the cavity 2111. The first end of the connecting member 213 is provided with a cavity 2131, and the second end is provided with a liquid outlet hole 2132, and the cavity 2131 communicates with the liquid outlet hole 2132. The first end of the pipe 221 is detachably connected to the second end of the connecting member 213. The nozzle module 23 includes a nozzle 231, which has a first through hole 2311. The first end of the nozzle 231 is connected to the mold 40, and the second end of the nozzle 231 is detachably connected to the second end of the pipe 221.

[0052] During die casting, nozzle 231 is connected to mold 40. Die casting material is placed in cavity 2111 of crucible module 21. After the die casting material forms a molten liquid at high temperature, the molten liquid can flow into cavity 2131 from the first end of docking part 213. Applying pressure to cavity 2131 causes the molten liquid in cavity 2131 to flow along pipe 221 to nozzle module 23, and then injects it into mold 40 from nozzle 231 to complete die casting.

[0053] In this application, the crucible module 21 and the nozzle module 23 are separate structures, connected by the die-casting flow channel 22. The crucible module 21 and nozzle module 23 can be flexibly arranged according to actual conditions. Compared to an integrated pot and nozzle, the distance between the crucible module 21 and nozzle module 23, their relative height, and their positions on the die-casting machine can all be reasonably adjusted according to actual circumstances. The separate structure reduces the design difficulty of the die-casting machine and allows for a more rational layout.

[0054] like Figure 3 As shown, in some embodiments, the crucible module 21 further includes a cylinder 214, which is disposed within the cavity 2131 of the docking member 213. The cylinder 214 has an inner cavity 2141, which communicates with the liquid outlet 2132 of the docking member 213. A liquid inlet 2142 is provided on the side wall of the cylinder 214, dividing the inner cavity 2141 into two sections, with the first section close to the liquid outlet 2132. A die-casting piston 215 is slidably connected within the inner cavity 2141 of the cylinder 214, and the die-casting piston 215 can reciprocate between the first and second sections of the inner cavity 2141. When the die-casting piston 215 is located in the second section of the cavity 2111, the molten metal in the cavity 2111 can flow into the first section of the inner cavity 2141 from the liquid inlet 2142; when the die-casting piston 215 moves towards the first section, the molten metal in the first section is forced towards the nozzle module 23 under pressure. In some embodiments, the die-cast piston 215 is connected to the output end of the drive device to drive the die-cast piston 215 to achieve the above-mentioned reciprocating motion. The structure of the drive device is not specifically limited here.

[0055] like Figure 6 As shown, in some embodiments, the base plate 212 is provided with a first mounting hole 2121, and the side wall of the first end of the mating member 213 is provided with an outer edge 2133. The mating member 213 passes through the first mounting hole 2121, and the outer edge 2133 of the mating member 213 is fixed to the base plate 212 with bolts. The base plate 212 and the mating member 213 are detachably connected in the above manner so that the mating member 213 can be adapted to base plates 212 of different sizes.

[0056] Because the reciprocating motion of the die-cast piston 215 causes wear on the inner wall of the cylinder 214, when the clearance between the inner wall of the cylinder 214 and the die-cast piston 215 becomes too large and cannot meet production requirements, the cylinder 214 needs to be replaced promptly. Therefore, if... Figure 6 As shown, in some embodiments, the cylinder body 214 and the docking part 213 are detachably connected. When the cylinder body 214 is worn, production can be resumed simply by replacing the cylinder body 214.

[0057] like Figure 3 , Figure 4 and Figure 6 As shown, in some embodiments, compared to a cast crucible, the crucible of this application has a split-welded structure. The pot body 211 adopts a rotary design, which can be directly machined using a lathe, resulting in higher machining efficiency. During machining, an inwardly extending protruding ring 2112 is pre-reserved at the bottom of the pot body 211. The outer wall of the bottom plate 212 is clearance-fitted with the inner wall of the pot body 211. The side wall of the bottom plate 212 has an inwardly recessed annular groove 2122, located at the end of the bottom plate 212 facing the protruding ring 2112. The annular groove 2122 and the protruding ring 2112 are fitted together. The protruding ring 2112 provides support for the bottom plate 212 and also forms a sealing structure with the annular groove 2122.

[0058] like Figure 3 and Figure 5 As shown, in some embodiments, the outer side of the pot body 211 is wrapped with a first heat-insulating layer 216. Additionally, in this embodiment, the crucible is heated by induction heating, with a first induction tube 217 wound around the outer side of the pot body 211. Both ends of the first induction tube 217 are electrically connected to a power supply. The first induction tube 217 is a metal tube (such as a copper tube) with good electrical conductivity, and the metal tube is wrapped with an insulating layer. In some embodiments, to prevent the induction tube from overheating, both ends of the first induction tube 217 are connected to a cooling system, and the working fluid in the cooling system flows through the first induction tube 217 to reduce its temperature.

[0059] like Figure 7 As shown, in some embodiments, threaded connectors 223 are provided at both ends of the die-casting flow channel 22. The threaded connectors 223 are rotatably connected to the ends of the pipe 221, and the threaded connectors 223 have internal threads. The second end of the mating member 213 has external threads, and the mating member 213 is threadedly connected to the threaded connector 223 at the first end of the die-casting flow channel 22. The nozzle module 23 has external threads that mate with the threaded connector 223 and is threadedly connected to the threaded connector 223 at the second end of the die-casting flow channel 22.

[0060] like Figure 7As shown, in some embodiments, in order to maintain the temperature of the pipe 221, a second insulation layer 222 is wrapped around the outside of the pipe 221 to reduce heat loss from the pipe 221. In some embodiments, the pipe 221 is wrapped with a second sensing tube 224 for maintaining temperature, and the second sensing tube 224 can also be connected to a cooling system to prevent the temperature of the second sensing tube 224 from becoming too high.

[0061] like Figure 8 As shown, in some embodiments, the nozzle module 23 further includes a nozzle seat 232, which has a through second mounting hole 2321. The nozzle 231 is detachably connected to the first end of the second mounting hole 2321. The nozzle seat 232 has a connecting end 2322, which is located at the second end of the second mounting hole 2321. The connecting end 2322 has an external thread and is threadedly connected to a threaded connector 223 at the second end of the die-casting flow channel 22. The nozzle 231 and the nozzle seat 232 have a detachable structure, which is beneficial for replacing a damaged or severely worn nozzle 231; or for replacing a nozzle 231 of a different model.

[0062] In some embodiments, the hot chamber assembly 20 is disposed on a moving device, and the position of the hot chamber assembly 20 is controlled by the moving device so that the nozzle 231 in the hot chamber assembly 20 can selectively abut against the mold 40 in a first direction or move away from the mold 40 in a second direction. In the embodiments of the application, the first direction and the second direction are opposite directions.

[0063] like Figures 9 to 12As shown, in some embodiments, the moving device includes a base 24, a hot chamber assembly 20 disposed above the base 24, and a first lifting device 31 disposed below the base 24. The crucible module 21 is fixedly connected to the base 24 via a crucible support 241. Before die casting, the hot chamber assembly 20 and its nozzle 231 approach and abut against the mold 40 along a first direction. The nozzle 231 and the mold 40 need to fit tightly to prevent leakage of the die-casting molten metal and / or insufficient pressure. To ensure tightness after contact, an elastic guide mechanism 242 is provided between the nozzle module 23 and the base 24. The first end of the elastic guide mechanism 242 is fixed to the base 24, and the second end is connected to the nozzle module 23. The elastic guide mechanism 242 provides elastic support to the nozzle module 23. After the nozzle 231 comes into contact with the mold 40, the nozzle 231 will continue to move a preset distance X (not shown in the figure) along the first direction. At this time, the nozzle module 23 is relatively stationary relative to the mold 40, but since other parts of the hot chamber assembly 20 continue to move along the first direction, the die-casting runner 22 will deform. At the same time, the elastic guide mechanism 242 accumulates force and provides a force F towards the nozzle module 23 in the first direction, and the force F is not less than the reaction force of the nozzle 231 spraying into the mold 40, so as to achieve a tight fit between the nozzle 231 and the mold 40.

[0064] The die-casting runner 22 typically has a metal conduit 221 that deforms under external force. The runner 22 has a certain length and a distance H between it and the base 24, allowing it to withstand a certain degree of deformation. This predetermined distance X is not excessive. The purpose of the nozzle 231 continuing to move a predetermined distance along the first direction after contact with the mold 40 is to ensure a tight seal between the nozzle 231 and the mold 40. Therefore, the deformation of the die-casting runner 22 is not excessive; in other words, the deformation range of the die-casting runner 22 is limited to what it can withstand.

[0065] As shown in Figure 11, in some embodiments, the elastic guide mechanism 242 includes a support column 2421. The first end of the support column 2421 is fixed to the base 24, and the second end of the support column 2421 is provided with a bearing seat 2422. The bearing seat 2422 is provided with a second through hole 2426. The second end of the die-casting flow channel 22 can selectively move within the second through hole 2426 in a first direction or a second direction. The nozzle module 23 is disposed above the bearing seat 2422 and connected to the die-casting flow channel 22. The nozzle seat 232 and the bearing seat 2422 are connected by a linear elastic member. The linear elastic member can compress and store force in a linear direction under the action of external force and provide elastic force in the opposite direction. After the external force is removed, the linear elastic member unfolds under the action of elastic force and returns to its initial state.

[0066] like Figure 12 As shown, in some embodiments, the linear elastic element includes a linear bearing 2424, which is mounted on a bearing housing 2422. A guide post 2425 is slidably connected within the linear bearing 2424. The first end of the guide post 2425 is connected to the bottom of the nozzle seat 232; the second end of the guide post 2425 passes through the linear bearing 2424 and has a limiting stop 2427 at its end. A spring 2423 is sleeved on the outside of the guide post 2425. The first end of the spring 2423 abuts against the nozzle seat 232, and the second end of the spring 2423 abuts against the bearing housing 2422. When the nozzle seat 232 is subjected to external force, it can move towards the bearing seat 2422 along the straight direction limited by the guide post 2425 and the linear bearing 2424, compressing the spring 2423. When the external force is removed, the elastic force stored in the spring 2423 can drive the nozzle seat 232 to move in the direction of the elastic force, and move to the initial position under the restriction of the limiting plate 2427. One of the functions of the guide post 2425 is to provide guidance so that the nozzle 231 can move in a straight direction; in addition, the pre-compression of the spring 2423 can be adjusted by replacing the guide post 2425 with one of different lengths, thereby adjusting the pre-compression force of the spring 2423.

[0067] The aforementioned elastic guiding mechanism 242, in conjunction with the die-casting flow channel 22, can also be used to compensate for the length of the nozzle 231 after wear. During the process of the nozzle 231 and mold 40 being tightly fitted, wear will occur at the contact point, and the amount of wear will affect the fit. However, the aforementioned compensation amount allows the nozzle 231 to maintain a tight fit with the mold 40 during die casting even with slight wear. Of course, if the wear exceeds the compensation amount, the nozzle 231 needs to be replaced promptly.

[0068] like Figure 11 and Figure 13 As shown, the first lifting device 31 includes a support frame 311, on which a cylinder 312 and a telescopic piston 3121 disposed within the cylinder 312 are mounted. A telescopic multi-link structure 313 is located above the support frame 311. The movable end of the telescopic piston 3121 is connected to the multi-link structure 313, driving the multi-link structure 313 to extend or retract. One end of the multi-link structure 313 is fixedly connected to the support frame 311, and the other end is fixedly connected to the base 24 of the moving device. Figure 13 This is a schematic diagram showing the changes in the multi-link structure 313 when the telescopic piston 3121 moves downward. The advantage of the multi-link structure 313 in this embodiment is that, as... Figure 11As shown in the figure, the multi-link structure 313, in conjunction with the telescopic piston 3121, has a self-locking function. The force on the multi-link structure 313 is mainly concentrated on the linear structure formed by the first section 3131, the second section 3132, the third section 3133, and the fourth section 3134. This linear structure can withstand pressure for extended periods, reducing the load on the cylinder 312 and the piston.

[0069] The moving device in the above embodiments has a vertical movement function, but in some embodiments, the moving device can also move laterally or obliquely, depending on the positional relationship and mating direction between the hot chamber assembly 20 and the mold 40, especially the mating direction between the nozzle 231 and the mold 40.

[0070] like Figure 1 , Figures 14 to 15 As shown, in some embodiments, the die-casting machine provided in this application further includes a machine body 10, on which the aforementioned hot chamber assembly 20 is mounted. In the embodiment shown, the hot chamber assembly 20 can move vertically. The machine body 10 is equipped with a guide rail seat 101, which is located above the nozzle module 23 in the vertical direction. The guide rail seat 101 has a linear guide rail 1011 extending horizontally. Two slides 102 are provided on the guide rail, connected end-to-end, and can slide synchronously along the length of the linear guide rail 1011. In this embodiment, the linear guide rail 1011 has a guide rail slider 1021 that can slide along its length, and the slides 102 are connected to the guide rail slider 1021. The side of the guide rail 101 is provided with a linear drive device 103. The moving end of the linear drive device 103 is connected to at least one slide table 102 and can drive the two slide tables 102 to move along the length direction of the linear guide rail 1011.

[0071] like Figure 16 and 17 As shown, the slide table 102 is provided with a liquid injection hole, and the bottom of the mold 40 is provided with a die-casting hole. The mold 40 is placed above the slide table 102, with the liquid injection hole and the die-casting hole facing each other. The nozzle module 23 can be driven vertically by the moving device so that the nozzle 231 can be selectively inserted into the liquid injection hole and abut against the die-casting hole of the mold 40. At this time, driving the die-casting piston 215 can pump the molten liquid in the cavity 2111 into the mold 40.

[0072] The above embodiment includes two slides 102, each slide 102 having a mold 40. After the first mold 40 completes die casting, the hot chamber assembly 20 can move away from the first mold 40 under the drive of the moving device, so that the nozzle 231 disengages from the first mold 40 and the slide 102. The linear drive device 103 drives the two slides 102 to slide synchronously, moving the first mold 40 out of the die casting position and moving the second mold 40 into the die casting position. The moving device drives the hot chamber assembly 20 to move towards the second mold 40 and makes the nozzle 231 abut against the second mold 40, and then performs subsequent processes. At the same time, the die casting in the first mold 40 is removed, and preparation for subsequent die casting processes is made.

[0073] Figure 18 A schematic diagram of one type of mold 40 is provided. Mold 40 includes an upper mold 401 and a lower mold 402. The lower mold 40 has a die-casting hole, and the upper mold 40 has a mold groove 4021. The upper mold 401 and the lower mold 402 are combined to form a complete mold 40. Figure 14 and 16 As shown, in some embodiments, the machine body 10 is provided with a second lifting device 32. The structure of the second lifting device 32 is the same as that of the first lifting device 31, and will not be described again here. The second lifting device 32 is located above the die-casting position and is fixedly connected to the machine body 10. The movable end of the second lifting device 32 can selectively move toward the slide table 102 of the die-casting position. The lower mold 402 is placed on the slide table 102, and the upper mold 401 is fixedly connected to the movable end of the second lifting device 32. During die-casting, the second lifting device can drive the upper mold 401 to move toward the lower mold 402 and fit tightly with it; after die-casting is completed, the second lifting device can drive the upper mold 401 to move away from the lower mold 402, so that the upper mold 401 disengages from the lower mold 402.

[0074] The above descriptions are merely examples of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A split hot chamber assembly, characterized in that, comprising: a crucible module (21) comprising a pot body (211) and a bottom plate (212), the pot body (211) and the bottom plate (212) forming a cavity (2111), the bottom plate (212) being provided with a docking piece (213) having a first end and a second end, the first end of the docking piece (213) being provided on a side of the bottom plate (212) facing the cavity (2111), the docking piece (213) being provided with a passage extending through the first end and the second end thereof; a nozzle module (23) comprising a nozzle (231) provided with a through hole, the nozzle (231) being configured to dock with a die casting hole (4011) of a die (40); and a die casting runner (22) comprising a pipe (221); wherein a first end of the pipe (221) is in communication with the second end of the docking piece (213), and a second end of the pipe (221) is in communication with the nozzle (231); the hot chamber assembly (20) is configured such that a molten metal in the cavity (2111) flows into the passage of the docking piece (213), the molten metal in the passage is pressurized to flow along the pipe (221) to the nozzle (231), and the molten metal is injected from the through hole of the nozzle (231) into the die (40).

2. The hot chamber assembly according to claim 1, characterized in that, the first end of the docking piece (213) is provided with a cylinder body (214) which is detachably embedded in the passage; the cylinder body (214) has an inner cavity (2141), a side wall of the cylinder body (214) is provided with a liquid inlet hole (2142), the liquid inlet hole (2142) divides the inner cavity (2141) into two sections, a first section of the inner cavity (2141) is close to the second end of the docking piece (213), and the inner cavity (2141) is in communication with the cavity (2111) through the liquid inlet hole (2142); the inner cavity (2141) of the cylinder body (214) is provided with a die casting piston (215) connected thereto in sliding manner; or / and the bottom plate (212) is provided with a first assembly hole (2121), the docking piece (213) passes through the first assembly hole (2121) and is fixedly connected with the bottom plate (212); or / and the pot body (211) and the bottom plate (212) are in split structure, an inner wall of the pot body (211) is provided with a convex ring (2112) extending inwardly, a side wall of the bottom plate (212) is in clearance fit with the inner wall of the pot body (211), the side wall of the bottom plate (212) is provided with a concave ring groove (2122) recessed inwardly, and the ring groove (2122) is located at an end of the bottom plate (212) facing the convex ring (2112), the ring groove (2122) is in embedded fit with the convex ring (2112).

3. The hot chamber assembly according to claim 1, characterized in that, The outer side of the pot body (211) is wrapped with a first heat preservation layer (216); or / and The outer side of the pot body (211) is provided with a first induction tube (217) for heating.

4. The hot chamber assembly according to claim 1, wherein, Both ends of the pipeline (221) are provided with joints, and the joints at both ends of the pipeline (221) are detachably connected with the butt joint member (213) and the nozzle (231) respectively; or / and The outer side of the pipeline (221) is wrapped with a second heat preservation layer (222); or / and The outer side of the pipeline (221) is provided with a second induction tube (224) for maintaining temperature.

5. The hot chamber assembly according to claim 1, wherein, The nozzle module (23) further comprises a nozzle seat (232) provided with a second assembly hole (2321) penetrating therethrough, and the nozzle (231) is detachably connected with a first end of the second assembly hole (2321); the nozzle seat (232) is provided with a connecting end (2322) arranged at a second end of the second assembly hole (2321), and the connecting end (2322) is provided with external threads, and a second end of the pipeline (221) is provided with internal threads and is threadedly connected with the connecting end (2322).

6. A die casting machine, comprising a moving device and the hot chamber assembly (20) according to any one of claims 1 to 5, wherein the moving device is configured to drive the hot chamber assembly (20) to move so that the nozzle (231) is selectively close to and abuts against the mold (40).

7. The die casting machine according to claim 6, wherein, The moving device comprises: a base (24), the crucible module (21) is fixedly connected with the base (24); a spring guide mechanism (242), a first end of the spring guide mechanism (242) is fixedly connected with the base (24), and a second end of the spring guide mechanism (242) is connected with the nozzle module (23); and a telescopic mechanism, the telescopic mechanism is configured to drive the base (24) and the hot chamber assembly (20) to move; wherein the spring guide mechanism (242) is configured to: when the nozzle (231) is blocked, the spring guide mechanism (242) can collapse and elastically deform, and the nozzle (231) can be tightly attached to the mold (40) under the action of the elasticity.

8. The die casting machine according to claim 7, wherein, ​ The elastic guide mechanism (242) comprises a bearing seat (2422) fixedly connected with the base (24), the bearing seat (2422) is provided with a linear bearing (2424), the linear bearing (2424) is provided with a slidingly connected guide column (2425) inside, the guide column (2425) is connected with the nozzle module (23), the outside of the guide column (2425) is sleeved with a spring (2423), the first end of the spring (2423) acts on the nozzle module (23), and the second end of the spring (2423) acts on the bearing seat (2422).

9. The die casting machine according to claim 6, characterized in that Further comprising a machine body (10), the moving device and the hot chamber assembly (20) are both mounted on the machine body (10); The machine body (10) is provided with a guide rail, at least one sliding table (102) capable of sliding along the guide rail is arranged on the guide rail, and the sliding table (102) is configured to carry the mold (40).

10. The die casting machine according to claim 9, characterized in that Further comprising a driving device, the driving device is used to drive the sliding table (102) to move along the guide rail.

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