Display card main body die-casting die
By setting up a main flow channel and branch flow channel in the graphics card main body die-casting mold, the problem of low waste removal efficiency in the prior art is solved, and efficient molding and low-cost production of the graphics card main body are achieved.
Patent Information
- Application Number
- CN202420989226.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing graphics card main die-casting mold needs to be removed through a punch after forming, which is inefficient in production and high cost.
设计一种显卡主体压铸模具，其中前模和后模可闭合，主流道和分支流道设置在型芯的一侧，废料分布在显卡的两侧，成型后可手工掰断或敲断，减少了冲床加工的需求。
Improve production efficiency, reduce costs, simplify operations, reduce stamping processes, and realize automated production.
Smart Images
Figure CN222221106U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold for a graphics card body. Background Art
[0002] Graphics card is one of the main accessories of the computer. The graphics card body is used to install various accessories of the graphics card. The graphics card body on the market is made of die-casting molds. After the graphics card body is formed in the mold, it needs to be taken out of the mold and the waste on the product (such as waste in the flow channel, exhaust groove, exhaust hole, etc.) needs to be removed. These wastes often need to be removed by punching, which has low production efficiency and high cost.
[0003] For example, Chinese patent application number: CN202221973219.6 discloses a die-casting mold for processing a computer graphics card housing. The feed pipe inputs die-casting raw materials into the die base, and the product is formed in the die base. After the product is formed, waste materials are connected. This waste material needs to be removed by punching, which has low production efficiency and high cost.
[0004] Another example is a die casting mold for a GPU graphics card housing disclosed in Chinese patent application number: CN202222555679.3. After the product is formed, there is waste material connected, which often needs to be removed by punching, resulting in low production efficiency and high cost. Utility Model Content
[0005] In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a graphics card body die-casting mold, which, through structural improvement, can manually unload waste materials, has higher production efficiency and lower costs, thereby overcoming the shortcomings of the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] The present application provides a graphics card body die-casting mold, comprising a front mold and a rear mold, wherein the front mold and the rear mold can be closed together;
[0008] The front mold includes a front mold base, a front mold core, and a material inlet, wherein the front mold core and the material inlet are arranged on the front mold base; the front mold core is provided with a core, a main flow channel, and a plurality of branch flow channels, wherein the main flow channel and the branch flow channels are arranged on one side of the core;
[0009] The rear mold includes a rear mold base, a rear mold plate, a rear mold core, a first slider, a second slider, and an ejector pin. The rear mold plate is arranged on the rear mold base; the rear mold core is arranged on the rear mold plate; the second slider is provided with a diverter cone; the first slider and the second slider are slidably arranged on the rear mold plate, and the first slider and the second slider can slide toward the rear mold core; the cavity of the rear mold core is connected to the branch flow channel; the ejector pin can move up and down through the rear mold core.
[0010] Preferably, the front mold base is provided with a first extrusion groove and a second extrusion groove, the first extrusion groove can be pressed on the first inclined surface of the first sliding block, and the second extrusion groove can be pressed on the second inclined surface of the second sliding block.
[0011] Preferably, a first guide pin is provided at the corner of the front mold base, and a first guide sleeve is provided at the rear mold base, and the first guide pin can be inserted into the first guide sleeve; a second guide pin is provided in the middle of the front mold base, and a second guide pin hole is provided at the first slider, and the second guide pin can be inserted into the second guide pin hole.
[0012] Preferably, exhaust blocks are provided on both sides of the rear mold core and the front mold core, and the exhaust blocks are closed to form a first exhaust channel; the first exhaust channel is connected to the exhaust groove on the rear mold core.
[0013] Preferably, the exhaust groove is vertically connected to the first exhaust channel.
[0014] Preferably, the exhaust groove and the first exhaust channel are in a shape of a straight line, a broken line, a wave, or a sawtooth.
[0015] Preferably, the branch flow channel is arranged on one side of the long side or the short side of the core.
[0016] Preferably, the ejector pin is arranged on an ejector plate, a reset rod is also arranged on the ejector plate, and the ejector plate is arranged on the ejector plate; the reset rod passes through the rear mold plate and can be squeezed by the front mold base.
[0017] Preferably, the front mold core is penetrated by at least two first cooling tubes, and the rear mold core is penetrated by at least two second cooling tubes.
[0018] Preferably, a first connecting member is provided on the first slider, a driving end of the first driving source is connected to the first connecting member, and the first driving source drives the first slider away from or close to the rear mold core; a second connecting member is provided on the second slider, a driving end of the second driving source is connected to the second connecting member, and the second driving source drives the second slider away from or close to the rear mold core.
[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical scheme that the graphics card body die-casting mold comprises a front mold and a rear mold that can be closed together. The front mold core and the feed inlet are arranged on the front mold seat; the front mold core is provided with a core, a main flow channel, and a plurality of branch flow channels, and the main flow channel and the branch flow channels are arranged on one side of the core. After the mold is closed, the die-casting material enters from the feed inlet, then to the diverter cone, and then to the cavity. Since the main flow channel and the branch flow channel are arranged on one side of the core, the waste will be distributed on both sides of the graphics card after the product is formed, and the connection area between the waste and the product is very small. After the product is cooled, the waste can be directly broken or knocked off manually, which has higher production efficiency and lower cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is an exploded schematic diagram of an embodiment of the utility model.
[0021] Figure 2 It is an exploded schematic diagram of an embodiment of the utility model.
[0022] Figure 3 It is a top view schematic diagram of an embodiment of the utility model.
[0023] Figure 4 It is an embodiment of the utility model Figure 3 AA cross-sectional view.
[0024] Figure 5 It is an embodiment of the utility model Figure 3 Schematic diagram of the medium BB.
[0025] Figure 6 It is a schematic diagram of the front mold decomposition of an embodiment of the utility model.
[0026] Figure 7 It is a schematic diagram of the rear mold decomposition of an embodiment of the utility model.
[0027] Figure 8 It is a schematic diagram of an improved product of an embodiment of the utility model.
[0028] Fig. 9 It is a schematic diagram of a product before improvement of an embodiment of the utility model.
[0029] Description of the accompanying drawings:
[0030] 10. front mold; 11. front mold base; 12. first extrusion groove; 13. second extrusion groove; 14. first guide column; 15. second guide column; 16. feed port; 17. first cooling pipe; 110. front mold core; 111. core; 112. main flow channel; 113. branch flow channel; 20. rear mold; 21. rear mold base; 22. rear mold plate; 23. first guide sleeve; 24. second cooling pipe; 25. ejector; 26. ejector plate; 27. reset rod; 28. ejector plate; 210. rear mold core; 211. exhaust groove; 212. exhaust block; 213. first exhaust channel; 214. diverter cone; 215. cavity; 220. first slider; 221. second guide column hole; 222. second slider; 223. second connecting piece; 30. product. DETAILED DESCRIPTION
[0031] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.
[0032] Please refer to Figures 1 to 8 As shown, it shows the specific structure of the preferred embodiment of the utility model, which is a graphics card body die-casting mold.
[0033] Among them, since the main channel 112 and the branch channel 113 are arranged on one side of the core 111, the waste will be distributed on both sides of the graphics card after the product 30 is formed. The connection area between the waste and the product 30 is very small. After the product 30 is cooled, the waste can be directly broken or knocked off manually, which improves production efficiency and reduces cost.
[0034] The present application provides a graphics card body die-casting mold, including a front mold 10 and a rear mold 20, the front mold 10 and the rear mold 20 can be closed together; the front mold 10 includes a front mold base 11, a front mold core 110, and an inlet 16, the front mold core 110 and the inlet 16 are arranged on the front mold base 11; the front mold core 110 is provided with a core 111, a main flow channel 112, and a plurality of branch flow channels 113, the main flow channel 112 and the branch flow channels 113 are arranged on one side of the core 111; the rear mold 20 includes a rear mold base 21, a rear mold plate 22, a rear mold core 21 0, a first slider 220, a second slider 221, and an ejector pin 25, the rear mold plate 22 is arranged on the rear mold seat 21; the rear mold core 210 is arranged on the rear mold plate 22; the second slider 221 is provided with a diverter cone 214; the first slider 220 and the second slider 221 are slidably arranged on the rear mold plate 22, and the first slider 220 and the second slider 221 can slide toward the rear mold core 210; the cavity 215 of the rear mold core 210 is connected with the branch flow channel 113; the ejector pin 25 can move up and down through the rear mold core 210. The front mold 10 and the rear mold 20 are arranged on an injection molding machine, and the injection pipe of the injection molding machine is connected to the feed port 16. The rear mold plate 22 is provided with a first slide rail and a second slide rail, the first slider 220 can slide on the first slide rail, and the second slider 221 can slide on the second slide rail. When the front mold 10 and the rear mold 20 are closed, the front mold core 110 and the rear mold core 210 are closed together; at the same time, the first slider 220 and the second slider 221 move toward the rear mold core 210, so that the cavity 215 is completely blocked. After confirming that the mold is closed, the die-casting material enters the diverter cone 214 from the feed port 16, and then reaches the cavity 215 after passing through the main channel 112 and the branch channel 113. After the cavity 215 is filled, the cooling pipe cools the front mold core 110 and the rear mold core 210 to accelerate the molding of the product 30. After the product 30 is molded, the mold is opened, the first slider 220 and the second slider 221 are away from the rear mold core 210, and then the ejector 25 ejects the product 30 in the cavity 215. Since the main channel 112 and the branch channel 113 are arranged on one side of the core 111, the die-casting material will enter from the feed port 16, then to the diverter cone 214, and then to the cavity 215. That is, the branch flow channel 113 fills the entire cavity 215 from one side of the cavity 215, so after the product 30 is formed, the waste will be distributed on both sides of the graphics card, and the connection area between the waste and the product 30 is very small. After the product 30 is cooled, the waste can be directly broken or knocked off manually, which has higher production efficiency and lower cost. Please refer to Fig. 9 This is a structural diagram of the product 30 and the waste before improvement. The waste surrounds the product 30. This product 30 cannot be broken or knocked off manually and can only be sent to a punch press for punching, which will increase the cost. Please refer to Figure 8It is a structural diagram of the improved product 30 and the waste. The waste and the product 30 are connected by only one edge. The connection area between the waste and the product 30 is very small. During production, they can be directly broken or knocked off manually, which has higher work efficiency and lower cost.
[0035] Please refer to Figure 6-7 As shown, preferably, the front mold base 11 is provided with a first extrusion groove 12 and a second extrusion groove 13, the first extrusion groove 12 can be pressed on the first inclined surface of the first slider 220, and the second extrusion groove 13 can be pressed on the second inclined surface of the second slider 221. When the front mold 10 and the rear mold 20 are closed, the inclined side wall in the first extrusion groove 12 is pressed on the first inclined surface of the first slider 220; the inclined side wall in the second extrusion groove 13 is pressed on the second inclined surface of the second slider 221, so the first slider 220 and the second slider 221 will slide toward the rear mold core 210, ensuring the compactness of the closed mold.
[0036] Please refer to Figure 1 and Figure 5 As shown, preferably, the corners of the front mold base 11 are provided with first guide pins 14, and the rear mold plate 22 is provided with first guide sleeves 23, and the first guide pins 14 can be inserted into the first guide sleeves 23; the middle part of the front mold base 11 is provided with second guide pins 15, and the first slider 220 is provided with second guide pin holes 221, and the second guide pins 15 can be inserted into the second guide pin holes 221. When the front mold 10 and the rear mold 20 are closed, the first guide pins 14 are inserted into the first guide sleeves 23 to ensure the accuracy of the closing of the front mold 10 and the rear mold 20. The second guide pins 15 can be inserted into the second guide pin holes 221, which is conducive to ensuring the tightness of the closing of the second slider 221 and the rear mold core 210.
[0037] Preferably, exhaust blocks 212 are provided on both sides of the rear mold core 210 and the front mold core 110, and the exhaust blocks 212 are closed to form a first exhaust channel 213; the first exhaust channel 213 is connected to the exhaust groove 211 on the rear mold core 210. When the mold is closed, the upper and lower exhaust blocks 212 are closed together (leaving a certain exhaust gap), and the first exhaust channel 213 is formed between the two exhaust blocks 212. When the die casting material is injected into the cavity 215, the air in the cavity 215 will be discharged through the exhaust groove 211 and the first exhaust channel 213, so that the die casting material can quickly fill the cavity 215 and ensure the quality of the product 30. After the product 30 is formed, the ejector 25 ejects the product 30 and the waste material from the exhaust block 212, the exhaust groove 211, the cavity 215, the main channel 112, the branch channel 113 on the lower side, and the waste area on both sides of the cavity 215 to prevent scratches or damage to the product 30.
[0038] Preferably, the exhaust groove 211 is vertically connected to the first exhaust channel 213. This design can slow down the exhaust speed, prevent the gas in the cavity 215 from being ejected from the first exhaust channel 213, and also prevent the die casting material from being ejected, thereby ensuring production safety.
[0039] Preferably, the exhaust groove 211 and the first exhaust channel 213 are in a straight line, a folded line, a wave shape, or a sawtooth shape. In this embodiment, the exhaust groove 211 is a straight groove, and the first exhaust channel 213 is in a wave shape. The gas in the cavity 215 can quickly reach the exhaust groove 211 and will not be discharged from the first exhaust channel 213, which has good safety.
[0040] Please refer to Figure 6 and Figure 8 As shown, preferably, the branch channel 113 is arranged on one side of the long side or short side of the core 111. In this embodiment, the branch channel 113 is arranged on one side of the long side of the core 111. For details, please refer to Figure 8 As shown in FIG. 30 , the die-casting material is injected into the mold cavity 215 from one side of the long side. In this way, the die-casting speed is very fast. Meanwhile, the waste material is connected to the product 30 only at one side. After the product 30 is cooled, it can be directly broken off manually.
[0041] Please refer to Figure 1 and Figure 7 As shown, preferably, the ejector pin 25 is arranged on an ejector plate 26, a reset rod 27 is further arranged on the ejector plate 26, and the ejector plate 26 is arranged on a top plate 28; the reset rod 27 passes through the rear mold plate 22 and can be squeezed by the front mold base 11. When the mold is closed, the front mold base 11 squeezes the reset rod 27, and the ejector plate 26 and the top plate 28 move downward at the same time, ensuring that the ejector pin 25 is completely reset from the cavity 215.
[0042] Preferably, the front mold core 110 is penetrated by at least two first cooling pipes 17, and the rear mold core 210 is penetrated by at least two second cooling pipes 24. Cooling medium is passed through the first cooling pipes 17 and the second cooling pipes 24. After die casting is completed, the first cooling pipe 17 cools the front mold core 110, and the second cooling pipe 24 cools the rear mold core 210, which is conducive to rapid molding of the product 30.
[0043] Preferably, the first slider 220 is provided with a first connecting piece, the driving end of the first driving source is connected to the first connecting piece, and the first driving source drives the first slider 220 away from or close to the rear mold core 210; the second slider 221 is provided with a second connecting piece 223, the driving end of the second driving source is connected to the second connecting piece 223, and the second driving source drives the second slider 221 away from or close to the rear mold core 210. The first driving source and the second driving source are preferably a cylinder or a hydraulic cylinder. The first connecting piece and the second connecting piece 223 are connecting blocks, and the connecting blocks are provided with T-shaped or dovetail connecting grooves.
[0044] More specifically, the use of this type of graphics card body die-casting mold for production has at least the following advantages: 1. The heat sink of the graphics card body can be formed at one time through the mold, without the need for CNC processing again. 2. The mold allows product 30 to be quickly filled and formed, and product 30 has good appearance quality. 3. The efficiency of subsequent CNC processing is improved. The old product 30 required CNC processing on all six sides, but after improving the mold, only two sides need to be processed, and the processing time is optimized by 2 minutes. 4. The stamping process is reduced; the old die-casting materials on both sides need to be stamped and blanked, but now they are changed to single-side die-casting materials, which can be easily blanked manually. 5. Simple operation and easy installation. After the mold installation and debugging are completed, it can be introduced into fully automated production.
[0045] To sum up, the design focus of the utility model is that the main channel 112 and the branch channel 113 are arranged on one side of the core 111. After the product 30 is formed, the waste will be distributed on the edges of both sides of the product 30. The connection area between the waste and the product 30 is very small. After the product 30 is cooled, the waste can be directly broken or knocked off manually, which has higher production efficiency and lower cost.
[0046] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A graphics card body die-casting mold, characterized in that: It includes a front mold and a rear mold, and the front mold and the rear mold can be closed together; The front mold includes a front mold base, a front mold core, and a material inlet, wherein the front mold core and the material inlet are arranged on the front mold base; the front mold core is provided with a core, a main flow channel, and a plurality of branch flow channels, wherein the main flow channel and the branch flow channels are arranged on one side of the core; The rear mold comprises a rear mold base, a rear mold plate, a rear mold core, a first slider, a second slider, and an ejector pin, and the rear mold plate is arranged on the rear mold base; The rear mold core is arranged on the rear template; The second slider is provided with a diverter cone; the first slider and the second slider are slidably arranged on the rear mold plate, and the first slider and the second slider are slidable toward the rear mold core; the cavity of the rear mold core is communicated with the branch flow channel; The ejector pin can movably pass through the rear mold core up and down.
2. A graphics card body die-casting mold according to claim 1, characterized in that: The front die base is provided with a first extrusion groove and a second extrusion groove, wherein the first extrusion groove can be pressed on the first inclined surface of the first sliding block, and the second extrusion groove can be pressed on the second inclined surface of the second sliding block.
3. A graphics card body die-casting mold according to claim 1 or 2, characterized in that: The corners of the front mold base are provided with first guide pins, the rear mold plate is provided with a first guide sleeve, and the first guide pin can be inserted into the first guide sleeve; the middle part of the front mold base is provided with a second guide pin hole, and the second guide pin can be inserted into the second guide pin hole.
4. The graphics card body die-casting mold according to claim 1, characterized in that: Exhaust blocks are arranged on both sides of the rear mold core and the front mold core, and the exhaust blocks are closed to form a first exhaust channel; the first exhaust channel is connected to the exhaust groove on the rear mold core.
5. The graphics card body die-casting mold according to claim 4, characterized in that: The exhaust groove is vertically connected to the first exhaust channel.
6. A graphics card body die-casting mold according to claim 5 or 4, characterized in that: The exhaust groove and the first exhaust channel are in a shape of a straight line, a folded line, a wave, or a sawtooth.
7. The graphics card body die-casting mold according to claim 1, characterized in that: The branch flow channel is arranged on one side of the long side or the short side of the core.
8. The graphics card body die-casting mold according to claim 1, characterized in that: The ejector pin is arranged on an ejector plate, a reset rod is also arranged on the ejector plate, and the ejector plate is arranged on the ejector plate; the reset rod passes through the rear mold plate and can be squeezed by the front mold base.
9. The graphics card body die-casting mold according to claim 1, characterized in that: The front mold core is penetrated by at least two first cooling tubes, and the rear mold core is penetrated by at least two second cooling tubes.
10. A graphics card body die-casting mold according to claim 1 or 2, characterized in that: The first slider is provided with a first connecting piece, the driving end of the first driving source is connected to the first connecting piece, and the first driving source drives the first slider to move away from or approach the rear mold core; The second slider is provided with a second connecting piece, the driving end of the second driving source is connected to the second connecting piece, and the second driving source drives the second slider to move away from or approach the rear mold core.