Tool frame for efficient heat treatment of control surface

Abstract

The utility model provides an efficient heat treatment tool frame for a control surface, which improves the production capacity, ensures the heat treatment quality and effectively reduces the production cost. The three-dimensional frame comprises a bottom layer, a middle layer, an upper layer, four-corner stand columns and a plurality of supporting stand columns, the bottom layer, the middle layer and the upper layer are sequentially arranged at intervals from bottom to top, the four corners of the bottom layer and the four corners of the upper layer are connected through the corresponding corner stand columns, and the supporting stand columns are symmetrically arranged between long-edge transverse rods of the bottom layer and the upper layer; the number of the supporting stand columns on each side is N, and N is a natural number larger than or equal to 1. And each hook rod comprises a rod and a plurality of side convex hooks arranged on the two sides of the rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metal heat treatment frock, concretely for a kind of for rudder surface efficient heat treatment frock stand. BACKGROUND

[0002] In the field of modern metal additive manufacturing, heat treatment is a key link to optimize the performance of metal materials, and plays an irreplaceable role in strengthening the internal structure of metal materials, improving their mechanical properties and prolonging their service life. Specifically, heat treatment can improve the mechanical properties of materials, making them more tough and durable; optimize process performance for subsequent processing operations; effectively eliminate internal residual stress of materials, enhance structural stability; accurately adjust the microstructure and macroscopic performance of materials to meet the diversified use requirements; significantly improve the corrosion resistance and fatigue resistance of materials, adapt to complex and harsh working environments; and also can be customized according to specific working conditions to shape the material performance. However, as a high-performance metal material, the heat treatment of titanium alloy requires extremely stringent vacuum degree of quenching furnace, reaching 10 -4 The high standard makes the quenching furnace that meets the requirements not only high in purchase cost, but also long in manufacturing cycle, greatly limiting its wide application in industrial production. In the industrialization process of coastal cities, common heat treatment furnaces are mostly used for mold heat treatment, and such mold heat treatment has relatively low requirements for vacuum degree, which leads to the scarcity of furnaces that can meet the high vacuum degree demand of titanium alloy heat treatment in the market, and thus the processing cost of titanium alloy heat treatment is high. In addition, due to the unique structure of rudder surface products, they must be placed at a specific angle during heat treatment, which inevitably causes waste of heat treatment area operation space, reduces production efficiency and increases production cost. In order to effectively break through these technical bottlenecks, improve the utilization rate of processing area and achieve the goal of cost reduction and efficiency improvement, it is urgent to develop a frock stand specially used for rudder surface heat treatment. UTILITARIAN CONTENT

[0003] To solve the above problems, the utility model provides a kind of for rudder surface efficient heat treatment frock stand, it improves production capacity, and ensures heat treatment quality, and effectively reduces production cost.

[0004] A kind of for rudder surface efficient heat treatment frock stand, it is characterized in that, it includes:

[0005] A three-dimensional frame comprising a bottom layer, a middle layer, an upper layer, four corner columns, and a plurality of support columns, the bottom layer, the middle layer, and the upper layer are sequentially and spaced apart from bottom to top, the four corners of the bottom layer and the upper layer are connected by corresponding corner columns, a plurality of support columns are arranged symmetrically between the long side crossbars of the bottom layer and the upper layer, the number of support columns on each side is N, N is a natural number greater than or equal to 1;

[0006] And a plurality of hook rods, each hook rod comprises a rod, and a plurality of side convex hooks arranged on both sides of the rod;

[0007] The bottom layer comprises two first crossbars, N first longitudinal rods, and a plurality of connecting rods, N groups of first longitudinal rods are arranged between the length direction regions of the two first crossbars, and a plurality of connecting rods are arranged between adjacent first longitudinal rods, the bottom layer forms a support base, and the position of each group of first longitudinal rods corresponds to the corresponding position of the support column and the corner column;

[0008] The middle layer comprises a plurality of middle layer longitudinal rods, the number of the middle layer longitudinal rods is equal to N+2, each group of middle layer longitudinal rods is arranged at the corresponding position of the corner column and the support column, and the middle layer longitudinal rods are arranged in the same horizontal plane and parallel to each other;

[0009] The top layer comprises two second crossbars and N second longitudinal rods, N groups of second longitudinal rods are arranged between the length direction regions of the two second crossbars, the positions of the second longitudinal rods correspond to the positions of the first longitudinal rods of the bottom layer, and the positions of each second longitudinal rod correspond to the corresponding positions of the support column and the corner column;

[0010] The equivalent bottom surface formed by all the middle layer longitudinal rods is arranged with a plurality of hook rods at equal intervals in the longitudinal direction, the equivalent bottom surface formed by all the second longitudinal rods is arranged with a plurality of hook rods at equal intervals in the longitudinal direction, the height space from the bottom layer to the middle layer is used for hanging products, and the height space from the middle layer to the upper layer is used for hanging products.

[0011] Further characterized in that:

[0012] The material of the three-dimensional frame and the hook rod is 310S stainless steel;

[0013] N is 2;

[0014] The number of connecting rods between each adjacent two first longitudinal rods of the bottom layer is the same, forming a uniformly distributed # character grid base, ensuring firmness and reliability;

[0015] The corner column, the support column, the first crossbar, the second crossbar, the first longitudinal rod, and the second longitudinal rod are all hollow square tubes with a size of 50mm*50mm*5mm;

[0016] The rod of the hook rod is a hollow square tube with a size of 20mm*30mm*3mm, the hook of the hook rod is a side convex hook with a size of 4mm*30mm, the length direction of the rod is arranged with holes with a diameter of 4mm on both sides, then the hook is inserted into the hole and the position of the hook is fixed by laser welding;

[0017] A plurality of first vertical rods are arranged in the facade between each group of first longitudinal rods and middle layer longitudinal rods, and a plurality of second vertical rods are arranged in the facade between each group of middle layer longitudinal rods and second longitudinal rods, which ensures that the whole tooling frame is stable and reliable;

[0018] The upper part of the first vertical rod is top-mounted on the lower part of the hook rod at the corresponding position, and the upper part of the second vertical rod is top-mounted on the lower part of the hook rod at the corresponding position, which ensures reliable support for the hook rod for hanging heavy products;

[0019] The top part of each angle column is fixedly provided with a lifting ring, which ensures reliable handling of the whole tooling frame.

[0020] After adopting the structure of the utility model, the production efficiency is significantly improved, the tooling frame is reasonably designed and the structure layout is optimized, a plurality of products can be simultaneously heat treated at one time, compared with the original heat treatment mode, the effective production rate is improved;

[0021] The heat treatment quality is effectively guaranteed, the unique design structure and high-quality material selection of the tooling frame enable the tooling frame to efficiently and stably receive heat radiation in the vacuum quenching furnace and uniformly transmit heat to the workpiece, the uniform heat transmission process effectively avoids the problems of uneven heat treatment quality of products caused by uneven temperature, such as uneven structure and inconsistent performance, the stability of the radiation temperature is ensured, the tooling frame effectively guarantees that the mechanical properties and structure of the rudder surface product strictly meet the design requirements and relevant standards, and provides a solid guarantee for the high quality and reliability of the product, and improves the competitiveness and reputation of the product in the market;

[0022] The production cost is effectively reduced, the effective utilization of the heat preservation area space of the vacuum quenching furnace is fully considered, the reasonable structure layout and accurate size design reduce the space waste phenomenon caused by unreasonable product placement, improve the product processing amount per unit time, reduce the energy consumption and equipment use cost per unit product, and the stable and reliable performance of the tooling frame greatly reduces the frequent maintenance and replacement cost caused by tooling deformation or damage, reduces the downtime and material loss in the production process, realizes the dual goals of cost reduction and benefit increase, and creates significant economic benefits and social benefits for enterprises. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the embodiment of the utility model;

[0024] Figure 2 Fig. 1 is a perspective view of the structure of the frame (with a schematic product); Figure 1 Fig. 2 is a side view of the structure of the frame (with a schematic product);

[0025] Figure 3 Fig. 3 is a perspective view of the structure of the frame (with a schematic product); Figure 1 Fig. 4 is a side view of the structure of the frame (with a schematic product);

[0026] The names corresponding to the serial numbers in the figures are as follows:

[0027] Stereoscopic frame 10, bottom layer 11, middle layer 12, upper layer 13, corner upright column 14, supporting upright column 15, hook rod 20, rod 21, hook 22, first product 30, second product 40, hanging ring 50;

[0028] First horizontal rod 1, first vertical rod 2, connecting rod 3, middle layer vertical rod 4, second horizontal rod 5, second vertical rod 6, first vertical rod 7, second vertical rod 8. DETAILED DESCRIPTION

[0029] A frame for efficient heat treatment of a rudder surface, as shown in Figures 1-3 , comprising a stereoscopic frame 10 and a plurality of hook rods 20; the stereoscopic frame 10 comprises a bottom layer 11, a middle layer 12, an upper layer 13, four corner upright columns 14, and a plurality of supporting upright columns 15, the bottom layer 11, the middle layer 12, and the upper layer 13 are sequentially and spaced apart from bottom to top, the four corners of the bottom layer 11 and the upper layer 13 are connected by corresponding corner upright columns 14, and a plurality of supporting upright columns 15 are symmetrically arranged between the long side horizontal rods of the bottom layer 11 and the upper layer 13, the number of supporting upright columns 15 on each side is N, N is a natural number greater than or equal to 1; each hook rod 20 comprises a rod 21 and a plurality of side hooks 22 arranged on both sides of the rod;

[0030] The bottom layer 11 comprises two first horizontal rods 1, N first vertical rods 2, and a plurality of connecting rods 3, N groups of first vertical rods 2 are arranged between the length direction regions of the two first horizontal rods 1, and a plurality of connecting rods 3 are arranged between adjacent first vertical rods 2, the bottom layer 11 forms a supporting base, and the position of each group of first vertical rods 2 corresponds to the corresponding position of the supporting upright column 15 and the corner upright column 14;

[0031] The middle layer 12 comprises a plurality of middle layer vertical rods 4, the number of middle layer vertical rods 4 is equal to N+2, and each group of middle layer vertical rods 4 is arranged at the corresponding position of the corner upright column 14 and the supporting upright column 15, the middle layer vertical rods 4 are in the same horizontal plane and are arranged in parallel;

[0032] The top layer 13 comprises two second cross bars 5 and N second longitudinal bars 6, the N second longitudinal bars 6 are arranged between the length direction areas of the two second cross bars 5, the positions of the second longitudinal bars 6 correspond to the positions of the first longitudinal bars 2 of the bottom layer, and the positions of each second longitudinal bar 6 correspond to the corresponding positions of the supporting columns 15 and the corner columns 14;

[0033] The equivalent bottom surface formed by all the middle layer longitudinal bars 4 is arranged with a plurality of hook rods 20 at equal intervals along the longitudinal direction, the equivalent bottom surface formed by all the second longitudinal bars 6 is arranged with a plurality of hook rods 20 at equal intervals along the longitudinal direction, the height space of the bottom layer 11 to the middle layer 12 is used for hanging the first products 30, the height space of the middle layer 12 to the top layer 13 is used for hanging the second products 40, and the first products 30 and the second products 40 are the same products or different products.

[0034] In specific embodiments, the materials of the three-dimensional frame 10 and the hook rod 20 are both 310S stainless steel.

[0035] The bottom layer 11 is spliced to form a base with a size of 1180mm*760mm;

[0036] Each group of hook rods 20 is provided with 17 hooks 22 on both sides.

[0037] In specific embodiments, the value of N is 2.

[0038] The number of the connecting rods 3 between each adjacent two first longitudinal bars 2 of the bottom layer 11 is the same, which is three, forming a uniformly distributed #-shaped grid base, which ensures firmness and reliability.

[0039] The corner columns 14, the supporting columns 15, the first cross bar 1, the second cross bar 5, the first longitudinal bar 2 and the second longitudinal bar 6 are all hollow square tubes with a size of 50mm*50mm*5mm.

[0040] The rod 21 of the hook rod 20 is a hollow square tube with a size of 20mm*30mm*3mm, the hook 22 of the hook rod 20 is a side protruding hook with a size of 4mm*30mm, the length direction sides of the rod 21 are arranged with holes with a diameter of 4mm, and then the hook 22 is inserted into the hole and the position of the hook 22 is fixed by laser welding.

[0041] One or two first vertical rods 7 are arranged in the length direction middle part of the vertical surface between each group of first longitudinal bars 2 and middle layer longitudinal bars 4, one first vertical rod 7 is arranged at the length direction center position of the vertical surface between the first longitudinal bars 2 and the middle layer longitudinal bars 4 at both ends, two first vertical rods 7 are arranged at the length direction center position of the vertical surface between the first longitudinal bars 2 and the middle layer longitudinal bars 4 at the center area, and three second vertical rods 8 are arranged in the length direction of the vertical surface between each group of middle layer longitudinal bars 4 and second longitudinal bars 6, which ensures the stability and reliability of the whole tooling rack.

[0042] The upper part of the first vertical rod 7 is mounted on the lower part of the corresponding hook rod 20, and the upper part of the second vertical rod 8 is mounted on the lower part of the corresponding hook rod 20; reliable support for the hook rod for hanging heavy products is ensured.

[0043] In the embodiment, after all the hook rods 20 are manufactured, the welding of the three-dimensional frame 10 is carried out. The three-dimensional frame 10 is divided into three layers, and in the welding process, the operation is strictly carried out according to the accurate requirements that the distance between the bottom layer 11 and the middle layer 12 is 380 mm and the distance between the middle layer 12 and the upper layer 13 is 240 mm, and finally the assembled shelf size is 760x770x1180mm, which perfectly meets the size requirements in the vacuum quenching furnace insulation area, and realizes the seamless docking of the tooling rack and the quenching furnace. In addition, four solid blocks are skillfully welded on the top of the shelf for stably placing the lifting ring 50, which greatly facilitates the moving and moving operation of the tooling and improves the convenience and flexibility in the production process.

[0044] After the structure of the utility model is adopted, the production efficiency is significantly improved, the tooling rack is reasonably designed and the structure layout is optimized, and the tooling rack can heat treat hundreds of products at a time, compared with the original heat treatment mode, the effective production rate is improved;

[0045] The unique design structure and high-quality material selection of the tooling rack enable it to efficiently and stably receive heat radiation in the vacuum quenching furnace and uniformly transfer heat to the workpiece, which effectively avoids the problems of uneven heat treatment quality of products caused by uneven temperature, such as uneven organization and inconsistent performance, etc. By ensuring the stability of the radiation temperature, the tooling rack effectively ensures that the mechanical properties and organizational structure of the rudder surface product can strictly meet the design requirements and relevant standards, providing a solid guarantee for the high quality and reliability of the product, and improving the competitiveness and reputation of the product in the market;

[0046] The production cost is effectively reduced, the effective use of the vacuum quenching furnace insulation area space is fully considered, the reasonable structure layout and accurate size design are adopted, the space waste phenomenon caused by unreasonable product placement is reduced, the product processing amount per unit time is improved, the energy consumption and equipment use cost per unit product are reduced, and the stable and reliable performance of the tooling rack greatly reduces the frequent maintenance and replacement cost caused by tooling deformation or damage, reduces the downtime and material loss in the production process, realizes the dual goals of reducing cost and increasing benefit, and creates significant economic and social benefits for enterprises.

[0047] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0048] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A tooling fixture for high-efficiency heat treatment of rudder surfaces, characterized in that, It includes: A three-dimensional frame includes a bottom layer, a middle layer, an upper layer, four corner columns, and several supporting columns. The bottom layer, middle layer, and upper layer are arranged sequentially from bottom to top. The four corners of the bottom layer and the upper layer are connected by corresponding corner columns. Several supporting columns are symmetrically arranged between the long side crossbars of the bottom layer and the upper layer. The number of supporting columns on each side is N, where N is a natural number greater than or equal to 1. And several hook rods, each hook rod including a rod and several lateral hooks arranged on both sides of the rod; The bottom layer includes two first horizontal bars, N first vertical bars, and several connecting bars. N sets of first vertical bars are arranged between the length directions of the two first horizontal bars, and several connecting bars are arranged between adjacent first vertical bars. The bottom layer forms a support base, and the position of each set of first vertical bars corresponds to the corresponding position of the support column and corner column. The middle layer includes several middle layer longitudinal bars, the number of which is equal to N+2. Each group of middle layer longitudinal bars is arranged at the corresponding positions of the corner column and the support column. The middle layer longitudinal bars are on the same horizontal plane and are arranged in parallel. The top layer includes two second horizontal bars and N second vertical bars. N sets of second vertical bars are arranged between the length direction regions of the two second horizontal bars. The positions of the second vertical bars correspond to the positions of the first vertical bars of the bottom layer. The positions of each second vertical bar correspond to the corresponding positions of the supporting columns and corner columns. All the middle longitudinal bars form an equivalent bottom surface with several hook bars arranged at equal intervals along the longitudinal direction. All the second longitudinal bars form an equivalent bottom surface with several hook bars arranged at equal intervals along the longitudinal direction. The height space from the bottom layer to the middle layer is used for hanging products, and the height space from the middle layer to the top layer is used for hanging products.

2. The tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 1, characterized in that: The three-dimensional frame and the hook rod are both made of 310S stainless steel.

3. The tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 2, characterized in that: The value of N is 2.

4. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 3, characterized in that: The number of connecting rods between each pair of adjacent first vertical rods in the bottom layer is the same, forming a uniformly distributed #-shaped base.

5. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 3, characterized in that: The corner posts, supporting posts, first horizontal bars, second horizontal bars, first vertical bars, and second vertical bars are all 50mm*50mm*5mm hollow square tubes.

6. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 5, characterized in that: The rod of the hook is a hollow square tube of 20mm*30mm*3mm, and the hook of the hook is a 4mm*30mm side-convex hook.

7. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 3, characterized in that: Several first uprights are also provided in the elevation between each group of first and middle longitudinal bars, and several second uprights are also provided in the elevation between each group of middle and second longitudinal bars.

8. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 7, characterized in that: The upper part of the first upright is mounted on the lower part of the hook rod at the corresponding position, and the upper part of the second upright is mounted on the lower part of the hook rod at the corresponding position.

9. A tooling fixture for high-efficiency heat treatment of rudder surfaces according to claim 1, characterized in that: Each of the corner posts is fixed with a lifting ring at its top.

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