Large screen main shell die-casting die
By optimizing the gating channel and slag removal system of the die-casting mold for the main shell of the large screen, the problem of poor forming of the main shell of the large screen was solved, and higher quality die-casting and continuous production were achieved.
Patent Information
- Application Number
- CN202423313053.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing technologies, the thin wall thickness of the main shell of the large screen makes it easy for poor molding defects to occur during the production of die-casting molds.
The sprue and slag removal system are optimized, including the fixed mold mechanism, the moving mold mechanism and the slider mechanism. The sprue, runner, slag cavity, slag removal channel and venting components are set to optimize the flow and venting process of the molten metal and ensure uniform filling of molten metal and gas discharge.
It reduces the risk of defects in die casting, improves the molding quality and production continuity of the main shell of the large screen, and reduces internal porosity and cold material accumulation problems.
Smart Images
Figure CN223862829U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of die casting mould, in particular to a big screen main shell die casting mould. BACKGROUND
[0002] Big screen main shell is a kind of product of shell structure, first by die casting mould forming manufacturing blank, then blank is machined and is made.
[0003] Structurally, big screen main shell is open rectangular shell structure in top surface, and big screen main shell has the wing that extends outward along bottom wall along length direction both ends, and the bottom wall thickness of big screen main shell is 2mm.
[0004] However, due to the thin wall thickness of big screen main shell, the big screen main shell produced by conventional die casting mould is prone to forming defects. SUMMARY
[0005] The utility model aims at at least one of the technical problems existing in prior art is solved.For this reason, the utility model provides a big screen main shell die casting mould, can optimize the pouring runner and the deslagging system, reduces the risk of die casting forming defect.
[0006] According to a big screen main shell die casting mould of the utility model embodiment, comprising:
[0007] Fixed die mechanism, including fixed die frame, embedding the barrel on fixed die frame and fixed die, the barrel is used to input metal liquid, the fixed die has fixed die cavity, the pouring runner connected with the bottom of fixed die cavity, the fixed die cavity is used to form the bottom wall and the first long side wall of big screen main shell, the pouring runner is used for pouring of metal liquid, the pouring runner is formed with main runner and a plurality of branch channels connected with main runner, a plurality of branch channels are communicated with the bottom of fixed die cavity, and the branch channel has the pouring port connected with fixed die cavity, the height of pouring port is 2 0.2mm;
[0008] Moving die mechanism, including moving die frame, embedding the branch cone on moving die frame and moving die, the branch cone has feeding channel, the feeding channel is communicated with the barrel and main runner, the moving die has moving die cavity, a plurality of first ladle cavities and a plurality of first deslagging channels, the moving die cavity is used to form the inner cavity of big screen main shell, a plurality of first ladle cavities are communicated with the top of moving die cavity, and the top of first ladle cavity is communicated with first deslagging channel;
[0009] The slider mechanism comprises a lower slider assembly, a left slider assembly and a right slider assembly, the lower slider assembly is provided with a lower mold cavity for forming a second long side wall of the large-screen main shell, the left slider assembly is provided with a left mold cavity, and the right slider assembly is provided with a right mold cavity, the left mold cavity and the right mold cavity are used for forming two short side walls of the large-screen main shell, and the mold cavity, the movable mold cavity, the lower mold cavity, the left mold cavity and the right mold cavity cooperatively form a mold cavity for forming the large-screen main shell.
[0010] According to the large-screen main shell die provided by the embodiment of the present application, at least the following beneficial effects are achieved.
[0011] 1. The utility model discloses a lower mold cavity is used for forming the bottom wall and the first long side wall of large -screen main shell, and the pouring flow channel of connecting lower mold cavity bottom is used for the pouring of metal liquid, and the pouring flow channel is formed with main flow channel and a plurality of branch flow channel connected with main flow channel, and a plurality of branch flow channels are communicated with the bottom of lower mold cavity, and the branch flow channel has the pouring port connected with lower mold cavity, and the height of pouring port is 2 0.2mm, so that the height of pouring port can be adapted to the thickness of the bottom wall of the large-screen main shell, and further, the pouring flow channel is optimized, the transition of the metal liquid in the pouring flow channel and the mold cavity is more smooth, the filling of the metal liquid to the mold cavity is more smooth, and the risk of poor die casting is reduced.
[0012] 2. The utility model discloses a movable mold mechanism, and the movable mold mechanism comprises a movable mold frame, a flow cone embedded on the movable mold frame and a movable mold core, the flow cone is provided with a feeding channel, the feeding channel is communicated with the feeding barrel and the main flow channel, the movable mold core is provided with a movable mold cavity, a plurality of first slag ladle cavities and a plurality of first slag discharge channels, the movable mold cavity is used for forming the inner cavity of the large-screen main shell, the plurality of first slag ladle cavities are communicated with the top of the movable mold cavity, and the top of the first slag ladle cavity is communicated with the first slag discharge channel, and it can be understood that the plurality of first slag ladle cavities are communicated with the top of the movable mold cavity, so that the metal liquid with relatively low temperature that enters the mold cavity first can be squeezed into the first slag ladle cavity, the metal liquid with relatively low temperature that enters the mold cavity first is avoided, the risk of poor die casting of the large-screen main shell is reduced, and simultaneously, the gas in the metal liquid can be discharged through the first slag discharge channel, the risk of internal porosity of the large-screen main shell formed in the mold cavity is reduced, and the quality of the die casting product is improved.
[0013] 3. The utility model discloses a slider mechanism is provided with, slider mechanism includes lower slider subassembly, left slider subassembly and right slider subassembly, and lower slider subassembly has lower mould cavity, and lower mould cavity is used for forming the second long side wall of big screen main shell, left slider subassembly has left mould cavity, and right slider subassembly has right mould cavity, and left mould cavity and right mould cavity are used for forming respectively two short side wall of big screen main shell, and fixed mould cavity, movable mould cavity, lower mould cavity, left mould cavity and right mould cavity cooperate and form the cavity for forming big screen main shell, thereby, the forming and stripping of the second long side wall and two short side wall of big screen main shell are convenient, and further, satisfy the die casting forming requirement of big screen main shell.
[0014] According to some embodiments of the utility model, the fixed mould core also has two second slag ladle cavities, the two second slag ladle cavities are connected to the two sides of the fixed mould cavity respectively, and the two second slag ladle cavities are used for slag discharge of the wing at the two ends of the big screen main shell.
[0015] Beneficially, the fixed mould core also has two second slag ladle cavities in the utility model, the two second slag ladle cavities are connected to the two sides of the fixed mould cavity respectively, and the two second slag ladle cavities are used for slag discharge of the wing at the two ends of the big screen main shell. It can be understood that, in the filling process of the metal liquid, the wing at the two ends of the big screen main shell is far away from the main runner, belongs to the end of product filling, and is easy to accumulate metal cold charge. The second slag ladle cavity is arranged at the wing at the two ends of the big screen main shell, so that the metal cold charge can be collected into the second slag ladle cavity, avoiding the metal cold charge to be retained at the wing at the two ends of the big screen main shell, thereby, it is beneficial to reduce the risk of forming failure of the wing at the two ends of the big screen main shell.
[0016] According to some embodiments of the utility model, the flow divider has a material guiding slope, and the material guiding slope is inclinedly arranged towards the direction of the movable mould cavity.
[0017] Beneficially, the material guiding slope is arranged on the flow divider in the utility model, and the material guiding slope is inclinedly arranged towards the direction of the movable mould cavity, thereby, it is beneficial to guide the metal liquid passing through the flow divider to be injected towards the direction of the side wall of the big screen main shell, avoiding the metal liquid to directly impact the bottom wall of the big screen main shell, so that the speed of the metal liquid flowing through the bottom wall and the side wall of the big screen main shell is more uniform, avoiding the metal liquid flowing at the bottom wall of the big screen main shell to be too fast and the metal liquid flowing at the side wall of the big screen main shell to be too slow, leading to the metal liquid to flow back to the side wall of the big screen main shell, thereby, reducing the risk of forming failure of the side wall of the big screen main shell.
[0018] According to some embodiments of the utility model, the inclination angle of the material guiding slope is 45°.
[0019] Beneficially, the inclination angle of the material guiding slope is 45° in the utility model, thereby, the material guiding slope makes the flow division of the metal liquid to the bottom wall and the side wall of the big screen main shell more uniform.
[0020] According to some embodiments of the utility model, the width of the pouring gate is 41 4mm.
[0021] Beneficially, the utility model discloses a pouring gate with a width of 41 4mm, which makes the distribution of the pouring gate at the bottom of the fixed die cavity more reasonable.
[0022] According to some embodiments of the utility model, the height of the pouring gate is 2.2mm.
[0023] Beneficially, the utility model discloses a pouring gate with a height of 2.2mm, which makes the height of the pouring gate slightly higher than the bottom wall thickness of the large-screen main shell, and thus the metal liquid entering the cavity from the pouring gate can maintain sufficient filling pressure to fill the cavity, which is beneficial to improve the forming quality of the large-screen main shell.
[0024] According to some embodiments of the utility model, the movable die core also has a plurality of third slag pocket cavities, which are connected to the bottoms of both sides of the movable die cavity, and are used for slag discharge of the first long side wall of the large-screen main shell.
[0025] Beneficially, the utility model discloses a movable die core with a plurality of third slag pocket cavities, which are connected to the bottoms of both sides of the movable die cavity and are used for slag discharge of the first long side wall of the large-screen main shell, so that the metal cold material flowing back from both sides of the cavity during the filling of the cavity can be collected in the third slag pocket cavities, avoiding the formation of metal cold material on the first long side wall of the large-screen main shell, and thus ensuring the forming quality of the first long side wall of the large-screen main shell.
[0026] According to some embodiments of the utility model, it also includes an exhaust assembly, which includes a first exhaust block and a second exhaust block, the first exhaust block and the second exhaust block are respectively embedded in the fixed die frame and the movable die frame, an exhaust gap is formed between the first exhaust block and the second exhaust block, and the exhaust gap communicates with the first slag discharge channel.
[0027] Beneficially, the utility model discloses an exhaust assembly, which includes a first exhaust block and a second exhaust block, the first exhaust block and the second exhaust block are respectively embedded in the fixed die frame and the movable die frame, an exhaust gap is formed between the first exhaust block and the second exhaust block, and the exhaust gap communicates with the first slag discharge channel, so that the gas in the metal liquid can be easily discharged to the outside of the die casting mold through the exhaust gap, and thus the risk of forming pores in the large-screen main shell is reduced.
[0028] According to some embodiments of the utility model, the fixed die core is provided with a plurality of first cooling water channels, the plurality of first cooling water channels are arranged on the fixed die core in an up-down manner, the first cooling water channels are used for cooling the fixed die core, the movable die core is provided with a plurality of second cooling water channels, the plurality of second cooling water channels are arranged on the movable die core in an up-down manner, and the second cooling water channels are used for cooling the movable die core.
[0029] Beneficially, the utility model discloses a plurality of first cooling water channels are arranged on the fixed die core in an up-down manner, the first cooling water channels are used for cooling the fixed die core, the movable die core is provided with a plurality of second cooling water channels, the plurality of second cooling water channels are arranged on the movable die core in an up-down manner, and the second cooling water channels are used for cooling the movable die core, thereby, it is favorable to keep the temperature of the movable die core and the fixed die core stable, avoids the temperature of the movable die core and the fixed die core being too high or unstable to affect the forming quality of the metal liquid.
[0030] According to some embodiments of the utility model, the movable die mechanism further includes a first ejection assembly, the first ejection assembly includes a plurality of flat ejector pins, the plurality of flat ejector pins extend to the movable die cavity through the movable die core, and the plurality of flat ejector pins are used for abutting the large-screen main shell to eject the large-screen main shell away from the movable die cavity.
[0031] Beneficially, the utility model discloses a first ejection assembly is arranged on the movable die mechanism, the first ejection assembly includes a plurality of flat ejector pins, the plurality of flat ejector pins extend to the movable die cavity through the movable die core, and the plurality of flat ejector pins are used for abutting the large-screen main shell to eject the large-screen main shell away from the movable die cavity, thereby, it is convenient to demould the large-screen main shell from the movable die cavity, avoids the large-screen main shell from being stuck in the movable die cavity and being unable to be taken out, and further, guarantees the coherent die casting production of die casting production.
[0032] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0033] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.
[0034] Figure 1 It is the structure schematic view of the large-screen main shell of the utility model embodiment;
[0035] Figure 2 It is the structure schematic view of a large-screen main shell die casting die of the utility model embodiment;
[0036] Figure 3 for Figure 2 The side view shown;
[0037] Figure 4 for Figure 2 The schematic diagram of the fixed mold mechanism is shown.
[0038] Figure 5 for Figure 4 The schematic diagram of the mold core is shown;
[0039] Figure 6 for Figure 2 The diagram shows the structure of the moving mold mechanism and the slider mechanism;
[0040] Figure 7 for Figure 6 The diagram shows the structure of the moving mold core.
[0041] Reference numerals: 100-Main shell of large screen, 110-Bottom wall, 120-Side wing, 130-First long side wall, 140-Second long side wall, 150-Short side wall, 160-Fixed mold base, 170-Barrel, 180-Fixed mold core, 190-Fixed mold cavity, 200-Gateway, 210-Main runner, 220-Branch runner, 230-Gate, 240-Moving mold base, 250-Branch cone, 260-Moving mold core, 270-Gateway, 280-Moving mold cavity, 29 0-First slag cavity, 300-First slag discharge channel, 310-Lower slider assembly, 320-Left slider assembly, 330-Right slider assembly, 340-Lower mold cavity, 350-Left mold cavity, 360-Right mold cavity, 370-Second slag cavity, 380-Guide slope, 390-Third slag cavity, 400-Exhaust assembly, 410-First exhaust block, 420-Second exhaust block, 430-Exhaust gap, 440-First cooling water channel, 450-Second cooling water channel, 460-Flat ejector pin. Detailed Implementation
[0042] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0043] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0044] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first and the second, this is only used for distinguishing technical features for the purpose, and cannot 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.
[0045] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the term "installation, connection and connection" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0046] The utility model discloses a kind of big screen main shell die casting mould according to the embodiment of the utility model, which is described below with reference to the drawings.
[0047] Refer to Figure 1 And Figure 2 The utility model aims at providing an embodiment of big screen main shell die casting mould.
[0048] Refer to Figure 2 And Figure 3 In the embodiment, a kind of big screen main shell 100 die casting mould mainly includes fixed die mechanism, movable die mechanism, slider mechanism.
[0049] Refer to Figure 4 And Figure 5 For fixed die mechanism, fixed die mechanism includes fixed die frame 160, barrel 170 and fixed die kernel 180 embedded on fixed die frame 160, barrel 170 is used to input metal liquid, fixed die kernel 180 has fixed die cavity 190, connecting pouring runner 200 at the bottom of fixed die cavity 190, fixed die cavity 190 is used to form the bottom wall 110 and the first long side wall 130 of big screen main shell 100, pouring runner 200 is used for pouring, pouring runner 200 is formed with main runner 210 and several connecting main runner 210 shunt 220, several shunt 220 are communicated with the bottom of fixed die cavity 190, shunt 220 has the pouring gate 230 connected with fixed die cavity 190, the height of pouring gate 230 is 2 0.2mm, so that the height of the ingate 230 can be adapted to the thickness of the bottom wall 110 of the large-screen main shell 100, and then the ingate runner 200 is optimized, so that the transition of the metal liquid in the ingate runner 200 to the cavity is more smooth, and the filling of the cavity by the metal liquid is more smooth, and the risk of poor pressure casting is reduced.
[0050] In some specific embodiments, the fixed mold core 180 also has two second slag pocket cavities 370, which are respectively connected to the two sides of the fixed mold cavity 190, and the two second slag pocket cavities 370 are respectively used for slagging of the two end wings 120 of the large-screen main shell 100.
[0051] It can be understood that, in the filling process of the metal liquid, the two end wings 120 of the large-screen main shell 100 are far away from the main runner 210 and belong to the end of product filling, and are prone to accumulate metal cold material. The second slag pocket cavity 370 is arranged at the two end wings 120 of the large-screen main shell 100, so that the metal cold material can be collected into the second slag pocket cavity 370, avoiding the retention of the metal cold material at the two end wings 120 of the large-screen main shell 100, thereby facilitating the reduction of the risk of poor forming of the two end wings 120 of the large-screen main shell 100.
[0052] In some specific embodiments, the flow divider 220 has a material guiding slope 380, which is arranged inclined to the direction of the movable mold cavity 280, thereby facilitating the material guiding slope 380 to guide the metal liquid passing through the flow divider 220 to the direction of the sidewall of the large-screen main shell 100, avoiding the metal liquid directly hitting the bottom wall 110 of the large-screen main shell 100, so that the speed of the metal liquid flowing through the bottom wall 110 and the sidewall of the large-screen main shell 100 is more uniform, avoiding the metal liquid flowing back to the sidewall of the large-screen main shell 100 due to the too fast flow rate of the metal liquid at the bottom wall 110 and the too slow flow rate of the metal liquid at the sidewall of the large-screen main shell 100, and reducing the risk of poor forming of the sidewall of the large-screen main shell 100.
[0053] In some specific embodiments, the inclination angle of the material guiding slope 380 is 45°, thereby making the material guiding slope 380 more uniform in the distribution of the metal liquid to the bottom wall 110 and the sidewall of the large-screen main shell 100.
[0054] In some specific embodiments, the width of the ingate 230 is 41 4mm, thereby making the distribution of the ingate 230 at the bottom of the fixed mold cavity 190 more reasonable.
[0055] In some specific embodiments, the height of the ingate 230 is 2.2mm, thereby making the height of the ingate 230 slightly higher than the thickness of the bottom wall 110 of the large-screen main shell 100, and then the metal liquid entering the cavity from the ingate 230 can maintain sufficient filling pressure to fill the cavity, thereby facilitating the improvement of the forming quality of the large-screen main shell 100.
[0056] Referring to Figure 6 and Figure 7 For the movable die mechanism, the movable die mechanism comprises a movable die frame 240, a split flow cone 250 inlaid on the movable die frame 240, and a movable die core 260, the split flow cone 250 has a feeding channel 270, the feeding channel 270 is communicated with the barrel 170 and the main flow channel 210, the movable die core 260 has a movable die cavity 280, a plurality of first slag pocket cavities 290, and a plurality of first slag discharge channels 300, the movable die cavity 280 is used for forming the inner cavity of the large-screen main shell 100, the plurality of first slag pocket cavities 290 are communicated with the top of the movable die cavity 280, and the top of the first slag pocket cavity 290 is communicated with the first slag discharge channel 300.
[0057] It can be understood that the plurality of first slag pocket cavities 290 are communicated with the top of the movable die cavity 280, so that the metal liquid with a relatively low temperature entering the cavity first can be squeezed into the first slag pocket cavity 290, avoiding the metal liquid with a relatively low temperature entering the cavity first from being formed in the cavity, which is beneficial to reduce the risk of poor pressure casting of the large-screen main shell 100, at the same time, the gas in the metal liquid can be discharged through the first slag discharge channel 300, reducing the risk of poor internal porosity of the large-screen main shell 100 formed in the cavity, and improving the quality of the pressure casting product.
[0058] In some specific embodiments, the movable die core 260 further has a plurality of third slag pocket cavities 390, the third slag pocket cavities 390 are connected to the bottom of both sides of the movable die cavity 280, and the third slag pocket cavities 390 are used for discharging slag of the first long-side sidewall 130 of the large-screen main shell 100, so that the metal cold material flowing back from both sides of the cavity during the filling of the metal liquid into the cavity can be collected into the third slag pocket cavities 390, avoiding the metal cold material from being formed in the first long-side sidewall 130 of the large-screen main shell 100, and further ensuring the forming quality of the first long-side sidewall 130 of the large-screen main shell 100.
[0059] In some specific embodiments, the movable die mechanism further comprises a first ejection assembly, the first ejection assembly comprises a plurality of flat ejector pins 460, the plurality of flat ejector pins 460 extend through the movable die core 260 to the movable die cavity 280, and the plurality of flat ejector pins 460 are used for abutting against the large-screen main shell 100 to eject the large-screen main shell 100 from the movable die cavity 280.
[0060] In this embodiment, the first ejection assembly is arranged in the movable die mechanism, the first ejection assembly comprises a plurality of flat ejector pins 460, the plurality of flat ejector pins 460 extend through the movable die core 260 to the movable die cavity 280, and the plurality of flat ejector pins 460 are used for abutting against the large-screen main shell 100 to eject the large-screen main shell 100 from the movable die cavity 280, so as to facilitate the demolding of the large-screen main shell 100 from the movable die cavity 280, avoiding the large-screen main shell 100 from being stuck in the movable die cavity 280 and being unable to be taken out, and further ensuring the continuous pressure casting production of the pressure casting production.
[0061] For the slider mechanism, the slider mechanism comprises a lower slider assembly 310, a left slider assembly 320 and a right slider assembly 330, the lower slider assembly 310 is provided with a lower mold cavity 340 for forming the second long side wall 140 of the large-screen main shell 100, the left slider assembly 320 is provided with a left mold cavity 350, and the right slider assembly 330 is provided with a right mold cavity 360, the left mold cavity 350 and the right mold cavity 360 are respectively used for forming two short side walls 150 of the large-screen main shell 100, the mold cavity 190, the movable mold cavity 280, the lower mold cavity 340, the left mold cavity 350 and the right mold cavity 360 cooperate to form a mold cavity for forming the large-screen main shell 100, so as to facilitate the forming and demolding of the second long side wall 140 and the two short side walls 150 of the large-screen main shell 100, thereby meeting the die casting forming requirements of the large-screen main shell 100.
[0062] In some specific embodiments, the fixed mold core 180 is provided with a plurality of first cooling water channels 440 arranged on the fixed mold core 180 in an up-down manner, the first cooling water channels 440 are used for cooling the fixed mold core 180, the movable mold core 260 is provided with a plurality of second cooling water channels 450 arranged on the movable mold core 260 in an up-down manner, the second cooling water channels 450 are used for cooling the movable mold core 260, thereby facilitating the stable temperature of the movable mold core 260 and the fixed mold core 180, avoiding the temperature of the movable mold core 260 and the fixed mold core 180 being too high or unstable to affect the forming quality of the metal liquid.
[0063] In some specific embodiments, the exhaust assembly 400 is further included, the exhaust assembly 400 comprises a first exhaust block 410 and a second exhaust block 420, the first exhaust block 410 and the second exhaust block 420 are respectively embedded on the fixed mold frame 160 and the movable mold frame 240, and an exhaust gap 430 is formed between the first exhaust block 410 and the second exhaust block 420, the exhaust gap 430 is communicated with the first exhaust channel 300, thereby facilitating the gas in the metal liquid to be exhausted to the outside of the die casting mold through the exhaust gap 430, thereby facilitating the reduction of the risk of forming pores in the large-screen main shell 100.
[0064] In the description of the present specification, the description of the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0065] The terms "first", "second", "third", "fourth", and the like in the description of this application and in the claims of the foregoing drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of the terms so
[0066] It is also to be noted that the terms "comprise", "comprising", "include", and / or "including", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.
[0067] In addition, the terms "comprise" and "have", and any variations thereof, are intended to cover a non-exclusive inclusion, such that processes, methods, systems, products, or devices that comprise a list of steps or units not only consist of those steps or units but can also include other steps or units not expressly listed or inherent to such processes, methods, products, or devices.
[0068] Moreover, the terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements do not necessarily include only those elements but can include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses. Without more limitations, an element defined by the phrase "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.
[0069] The embodiments of the present application are described in detail above with reference to the accompanying 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 spirit of the present application.
Claims
1. A die-casting mold for a large screen main shell, characterized in that, include: The fixed mold mechanism includes a fixed mold frame (160), a barrel (170) embedded in the fixed mold frame (160), and a fixed mold core (180). The barrel (170) is used to input molten metal. The fixed mold core (180) has a fixed mold cavity (190) and a gating channel (200) connected to the bottom of the fixed mold cavity (190). The fixed mold cavity (190) is used to form the bottom wall (110) and the first long side wall of the main shell (100) of the large screen. (130) The gating system (200) is used for pouring molten metal. The gating system (200) has a main channel (210) and several branch channels (220) connecting the main channel (210). The branch channels (220) connect to the bottom of the fixed mold cavity (190). The branch channels (220) have gates (230) connecting to the fixed mold cavity (190). The height of the gates (230) is 2. 0.2mm; The moving mold mechanism includes a moving mold frame (240), a flow divider cone (250) and a moving mold core (260) embedded in the moving mold frame (240). The flow divider cone (250) has a feed channel (270) that connects the material cylinder (170) and the main flow channel (210). The moving mold core (260) has a moving mold cavity (280), a plurality of first slag-filled cavities (290) and a plurality of first slag-discharge channels (300). The moving mold cavity (280) is used to form the inner cavity of the main shell (100) of the large screen. The plurality of first slag-filled cavities (290) are connected to the top of the moving mold cavity (280), and the top of the first slag-filled cavities (290) is connected to the first slag-discharge channels (300). The slider mechanism includes a lower slider assembly (310), a left slider assembly (320), and a right slider assembly (330). The lower slider assembly (310) has a lower mold cavity (340) for forming the second long side wall (140) of the main shell of the large screen (100). The left slider assembly (320) has a left mold cavity (350), and the right slider assembly (330) has a right mold cavity (360). The left mold cavity (350) and the right mold cavity (360) are respectively used to form the two short side walls (150) of the main shell of the large screen (100). The fixed mold cavity (190), the moving mold cavity (280), the lower mold cavity (340), the left mold cavity (350), and the right mold cavity (360) cooperate to form a cavity for forming the main shell of the large screen (100).
2. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The fixed mold core (180) also has two second slag cavities (370), which are respectively connected to the two sides of the fixed mold cavity (190) and are used for slag discharge from the side wings (120) at both ends of the main shell (100) of the large screen.
3. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The flow channel (220) has a guide slope (380) which is inclined toward the moving mold cavity (280).
4. The die-casting mold for a large screen main shell according to claim 3, characterized in that, The inclination angle of the guide slope (380) is 45°.
5. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The width of the inlet (230) is 41. 4mm.
6. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The height of the inlet (230) is 2.2 mm.
7. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The moving mold core (260) also has several third slag cavities (390), which are connected to the bottom of both sides of the moving mold cavity (280) and are used for slag discharge from the first long side wall (130) of the main shell (100) of the large screen.
8. The die-casting mold for a large screen main shell according to claim 1, characterized in that, It also includes an exhaust assembly (400), which includes a first exhaust block (410) and a second exhaust block (420). The first exhaust block (410) and the second exhaust block (420) are respectively embedded in the fixed mold frame (160) and the moving mold frame (240). An exhaust gap (430) is formed between the first exhaust block (410) and the second exhaust block (420), and the exhaust gap (430) is connected to the first slag discharge channel (300).
9. The die-casting mold for a large screen main shell according to claim 1, characterized in that, The fixed mold core (180) is provided with a plurality of first cooling channels (440), which are arranged vertically on the fixed mold core (180) and are used to cool the fixed mold core (180). The moving mold core (260) is provided with a plurality of second cooling channels (450), which are arranged vertically on the moving mold core (260) and are used to cool the moving mold core (260).
10. A die-casting mold for a large screen main shell according to claim 1, characterized in that, The moving mold mechanism further includes a first ejection assembly, which includes a plurality of flat ejector pins (460), which extend through the moving mold core (260) to the moving mold cavity (280), and the plurality of flat ejector pins (460) are used to abut against the main shell of the large screen (100) to push the main shell of the large screen (100) away from the moving mold cavity (280).