Mould positioning block and parts manufacturing device
By using 7-Series aluminum alloy material and graphite guide grooves on the functional surface, the problem of insufficient wear resistance and corrosion resistance of traditional mold positioning blocks in extreme environments is solved, and higher wear resistance and high temperature resistance are achieved, reducing costs and extending service life.
Patent Information
- Application Number
- CN202421416027.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-19
AI Technical Summary
Traditional mold positioning blocks may not meet the higher standards of wear and corrosion resistance in extreme working environments, and the high cost of steel materials and deformation during heat treatment increase manufacturing complexity.
A mold positioning block made of 7-series aluminum alloy is used, and a graphite guide groove is set on the functional surface, and graphite is filled with graphite to improve lubricity and high temperature resistance.
The mechanical properties, wear resistance and high temperature resistance of the mold positioning block are improved, which reduces manufacturing costs and extends service life.
Smart Images
Figure CN222712604U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mechanical equipment, in particular to a mold positioning block and a parts manufacturing device. Background Art
[0002] In modern mold manufacturing, the main function of the mold positioning block is to ensure the precise positioning of the mold during stamping or injection molding to ensure the dimensional accuracy and shape requirements of the formed parts. The wear resistance and accuracy of the mold positioning block directly affect the quality and production efficiency of the product.
[0003] Traditionally, brass is widely used to make mold locating blocks due to its good processing performance and wear resistance. However, brass is expensive, and its wear resistance and corrosion resistance may not meet higher standards in some extreme working environments; in addition, due to the cost of steel materials and subsequent heat treatment and processing costs, steel mold locating blocks may be relatively expensive, and during the heat treatment process, the steel material may deform, which requires additional processing steps to correct, increasing the complexity of manufacturing.
[0004] In view of this, this application is hereby filed. Utility Model Content
[0005] The utility model aims to provide a mold positioning block and a parts manufacturing device, aiming to improve at least one problem mentioned in the background technology.
[0006] The embodiment of the utility model is achieved as follows:
[0007] In a first aspect, the mold positioning block provided by the embodiment of the utility model comprises a block body made of 7 series aluminum alloy, one side of the block body is a functional surface, a plurality of graphite guide grooves are arranged on the functional surface, and the graphite guide grooves are filled with graphite.
[0008] In an optional embodiment, the area of all graphite guide grooves on the functional surface accounts for 25-80%.
[0009] In an optional embodiment, a plurality of graphite guide grooves are evenly distributed on the functional surface.
[0010] In an optional embodiment, the block body is in a rectangular parallelepiped shape, each graphite guide groove is in a long strip shape, and each graphite guide groove is arranged parallel to, perpendicular to, or inclined to the length direction of the block body.
[0011] In an optional embodiment, the width of the slot opening of each graphite guide slot is smaller than the width of the slot bottom.
[0012] In an optional embodiment, the cross-section of each graphite guide groove perpendicular to the functional surface is trapezoidal in shape.
[0013] In an optional embodiment, the depth of each graphite guide groove is 0.4-0.6 mm.
[0014] In an optional embodiment, the width of each graphite guide groove is 8-10 mm.
[0015] In an optional embodiment, the block body is in the shape of a rectangular parallelepiped, and four bolt holes penetrating the block body are provided on the functional surface, and the four bolt holes are respectively distributed near the four corners.
[0016] In an optional embodiment, the block body is in the shape of a cuboid with a length of 75 to 125 mm, a width of 48 to 100 mm, and a thickness of 5 to 20 mm.
[0017] In an optional embodiment, the block body includes a rectangular aluminum alloy body and a hard anodized layer, the hard anodized layer is arranged on the outer surface of the aluminum alloy body, and the hard anodized layer covers at least one surface of the aluminum alloy body to obtain a surface including a functional surface.
[0018] Optionally, the hard anodized layer has a thickness of 40-60 μm.
[0019] In a second aspect, an embodiment of the utility model provides a parts manufacturing device, including a mold positioning block provided by an embodiment of the utility model.
[0020] The beneficial effects of the embodiments of the utility model are:
[0021] 7 series aluminum alloy is a commonly used aluminum alloy, which has good hardness and wear resistance, and its cost is lower than that of commonly used brass; and the setting of graphite guide grooves on the functional surface and the graphite therein can increase the lubricity of the functional surface and improve the high temperature resistance of the functional surface. The mold positioning block provided by the embodiment of the utility model uses the block body made of 7 series aluminum alloy as the main body, and cooperates with the specific setting of graphite guide grooves and graphite, which can meet the use requirements of the mechanical properties, wear resistance and high temperature resistance of the mold positioning block. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 A schematic structural diagram of a first mold positioning block provided in an embodiment of the utility model at a first viewing angle;
[0024] Figure 2A schematic structural diagram of a first mold positioning block provided by an embodiment of the utility model at a second viewing angle;
[0025] Figure 3 A schematic structural diagram of a block body of a first type of mold positioning block provided by an embodiment of the utility model;
[0026] Figure 4 A schematic structural diagram of a second mold positioning block provided by an embodiment of the utility model at a first viewing angle;
[0027] Figure 5 A schematic structural diagram of a second mold positioning block provided by an embodiment of the utility model at a second viewing angle;
[0028] Figure 6 A schematic structural diagram of a block body of a second type of mold positioning block provided in an embodiment of the utility model.
[0029] Icon: 100-mold positioning block; 110-block body; 111-functional surface; 112-graphite guide groove; 115-bolt hole; 116-aluminum alloy body; 117-hard anodized layer; 120-graphite. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0033] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] like Figures 1 to 6 As shown, an embodiment of the utility model provides a mold positioning block 100, including a block body 110 made of 7 series aluminum alloy, one side of the block body 110 is a functional surface 111, and a plurality of graphite guide grooves 112 are arranged on the functional surface 111, and the graphite guide grooves 112 are filled with graphite 120.
[0037] 7 series aluminum alloy is a commonly used aluminum alloy, which has good hardness and wear resistance, and its cost is lower than that of commonly used brass; and the arrangement of the graphite guide groove 112 and the graphite 120 on the functional surface 111 can increase the lubricity and high temperature resistance of the functional surface 111. The mold positioning block 100 provided by the embodiment of the utility model uses the block body 110 made of 7 series aluminum alloy as the main body, and cooperates with the specific arrangement of the graphite guide groove 112 and the graphite 120, which can meet the mechanical properties, wear resistance and high temperature resistance of the mold positioning block 100.
[0038] Preferably, the block body 110 includes a rectangular aluminum alloy body 116 and a hard anodized layer 117 , wherein the hard anodized layer 117 is disposed on the outer surface of the aluminum alloy body 116 , and the hard anodized layer 117 covers at least one surface of the aluminum alloy body 116 to obtain a surface including the functional surface 111 .
[0039] The provision of the hard anodized layer 117 can improve the performance of the functional surface 111, thereby extending the service life of the mold positioning block 100. The hard anodized layer 117 is a functional layer obtained by hard anodizing the aluminum alloy. The hard anodized layer 117 is formed by: using a 7 series aluminum alloy to form a block, and then hard anodizing at least one surface thereof, the at least one surface including a side that can obtain the functional surface 111 after hard anodizing, and the aluminum alloy is transformed into the hard anodized layer 117 after hard anodizing.
[0040] Optionally, to ensure that the mold positioning block 100 has better performance, the thickness of the hard anodized layer 117 is 40-60 μm (eg, 40 μm, 50 μm or 60 μm).
[0041] Furthermore, the area of all the graphite guide grooves 112 on the functional surface 111 accounts for 25% to 80% (eg, 25%, 40%, 50%, 60%, 70% or 80%).
[0042] When the area ratio of the graphite guide groove 112 is within the above range, it can ensure that the functional surface 111 of the mold positioning block 100 has a suitable lubricity and at the same time ensure that the mold positioning block 100 has a suitable mechanical property.
[0043] Optionally, the depth of each graphite guide groove 112 is 0.4-0.6 mm (eg, 0.4 mm, 0.5 mm, or 0.6 mm). Optionally, the width of each graphite guide groove 112 is 8-10 mm (eg, 8 mm, 9 mm, or 10 mm).
[0044] The guide grooves of the above depth and width can further ensure that the functional surface 111 of the mold positioning block 100 has suitable lubrication and wear resistance, and at the same time ensure that the mold positioning block 100 has suitable mechanical properties, and ensure that the graphite embedded in the graphite guide groove has suitable strength.
[0045] Furthermore, a plurality of graphite guide grooves 112 are evenly distributed on the functional surface 111 .
[0046] The uniform arrangement of the graphite guide grooves 112 can ensure that the lubrication degree at various locations of the functional surface 111 has better consistency, thereby ensuring the quality of the manufactured product and the production efficiency.
[0047] Optionally, the block body 110 is in a rectangular parallelepiped shape, each graphite guide groove 112 is in a strip shape, and each graphite guide groove 112 is arranged parallel to, perpendicular to, or inclined to the length direction of the block body 110. Figure 1-3 As shown, in the structure shown, the graphite guide groove 112 is arranged parallel to the length direction of the block body 110; Figure 4-6 As shown, in the structure shown, the graphite guide groove 112 is arranged obliquely relative to the length direction of the block body 110.
[0048] Preferably, in order to prevent the graphite 120 filled in the graphite guide groove 112 from being easily separated, the width of the groove opening of each graphite guide groove 112 is smaller than the width of the groove bottom.
[0049] Optionally, each graphite guide groove 112 has a trapezoidal cross-section perpendicular to the functional surface 111. Preferably, when the graphite guide groove 112 is in the shape of an elongated strip, the graphite guide groove 112 has an isosceles trapezoidal cross-section perpendicular to its length.
[0050] Optionally, the block body is a rectangular parallelepiped with a length of 75 to 125 mm (e.g., 75 mm, 85 mm, 100 mm, 110 mm or 125 mm), a width of 48 to 100 mm (e.g., 48 mm, 60 mm, 80 mm, 90 mm or 100 mm), and a thickness of 5 to 20 mm (e.g., 5 mm, 10 mm or 20 mm).
[0051] Optionally, the block body 110 is in a rectangular parallelepiped shape, and four bolt holes 115 penetrating the block body 110 are further provided on the functional surface 111 , and the four bolt holes 115 are respectively distributed near four corners.
[0052] The functions of the four bolt holes 115 are:
[0053] (1) Fixing function: The bolt holes are used to install bolts to fix the mold positioning block to the corresponding mechanical structure to ensure that the mold positioning block is in a stable position during operation;
[0054] (2) Adjustment and positioning: The relative position between the mold positioning block and other components can be adjusted through the bolt holes to achieve precise positioning;
[0055] (3) Load bearing and transfer: Bolt holes can be used as force transfer points to transfer the load of mechanical equipment to the mold positioning block through bolts, and then dispersed to other structural components;
[0056] (4) Easy replacement and maintenance: Bolt holes are provided to facilitate the replacement and maintenance of the mold positioning block. When the mold positioning block is worn or damaged, it can be quickly disassembled and replaced with a new one;
[0057] (5) Heat dissipation: In certain high temperature environments, the bolt holes can be used in conjunction with heat dissipation elements to help dissipate heat and maintain the normal operating temperature of the equipment.
[0058] The embodiment of the utility model further provides a parts manufacturing device, including the mold positioning block 100 provided in the embodiment of the utility model.
[0059] The parts manufacturing device provided in the embodiment of the utility model has the characteristic of low use cost because it includes the mold positioning block 100 provided by the utility model.
[0060] Experimental example
[0061] Provide an experimental group and a comparison group.
[0062] The structure of the mold positioning block 100 of the experimental group is as follows Figure 1 As shown, its length is 100mm, width is 70mm, thickness is 10mm, the total area of the graphite guide groove 112 accounts for 25.7% of the functional surface 111, the width of each graphite guide groove 112 is 9mm, the width of the groove bottom is 8mm, the depth is 0.5mm, the thickness of the hard anodized layer 117 is 50μm, and the material of the block body 110 is 7 series aluminum alloy, the specific model is 7075;
[0063] The structure of the control group is exactly the same as that of the experimental group, except that the material of the block body 110 of the control group is brass, specifically high-strength brass.
[0064] The GB / T228.1-2021 method was used to test the performance of the experimental group and the comparison group, and the test results were recorded in Table 1.
[0065] Table 1 Performance comparison between experimental group and comparative example
[0066]
[0067] It can be seen from the test results in Table 1 that the mold positioning block 100 provided by the utility model has excellent mechanical properties, and its performance is better than that of the comparison group.
[0068] In summary, the mold positioning block 100 provided in the embodiment of the utility model has the following specific features:
[0069] 1. The use of aluminum alloy instead of brass significantly reduces manufacturing costs while maintaining the necessary mechanical properties and wear resistance.
[0070] 2. The setting of graphite guide groove 112 and graphite 120 effectively reduces the wear during the mold assembly process, prolongs the service life of the mold, improves the positioning accuracy of the mold, and ensures the product quality and consistency during the production process. The self-lubricating property of graphite 120 makes the mold smoother during use and reduces maintenance costs.
[0071] 3. The provision of the hard anodized layer improves the mechanical properties of the functional surface and prolongs the life of the mold positioning block 100 .
[0072] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A mold positioning block, characterized in that: It comprises a block body made of 7 series aluminum alloy, one side of the block body is a functional surface, a plurality of graphite guide grooves are arranged on the functional surface, and the graphite guide grooves are filled with graphite.
2. The mold positioning block according to claim 1, characterized in that: The area of all the graphite guide grooves on the functional surface accounts for 25-80%.
3. The mold positioning block according to claim 1, characterized in that: The plurality of graphite guide grooves are evenly distributed on the functional surface.
4. The mold positioning block according to claim 1, characterized in that: The width of the slot opening of each graphite guide slot is smaller than the width of the slot bottom.
5. The mold positioning block according to claim 4, characterized in that: The cross-section of each of the graphite guide grooves perpendicular to the functional surface is trapezoidal in shape.
6. The mold positioning block according to any one of claims 1 to 4, characterized in that: The depth of each graphite guide groove is 0.4-0.6 mm; And / or, the width of each of the graphite guide grooves is 8 to 10 mm.
7. The mold positioning block according to claim 1, characterized in that: The block body is in a rectangular shape, and four bolt holes penetrating the block body are arranged on the functional surface, and the four bolt holes are respectively distributed near the four corners.
8. The mold positioning block according to claim 1, characterized in that: The block body includes a rectangular aluminum alloy body and a hard anodized layer, wherein the hard anodized layer is arranged on the outer surface of the aluminum alloy body and covers at least one surface of the aluminum alloy body to obtain a surface including the functional surface.
9. The mold positioning block according to claim 8, characterized in that: The thickness of the hard anodized layer is 40-60 μm.
10. A parts manufacturing device, characterized in that: It comprises the mold positioning block as described in any one of claims 1 to 9.