A single crystal blade wax pattern welding fixture

Abstract

This utility model discloses a welding fixture for single-crystal blade wax molds, relating to the field of single-crystal blade technology. It includes: a base with a support component at one end for supporting the single-crystal blade wax mold; a sliding component for supporting a spiral selector wax mold, slidably connected to the end of the base away from the support component; and an adjusting component disposed on the base, pulsatorically connected to the sliding component and capable of driving the sliding component to slide, thereby adjusting the joint width between the spiral selector wax mold and the single-crystal blade wax mold. This utility model aims to achieve positioning welding of the single-crystal blade wax mold and the spiral selector wax mold, improving welding accuracy.

Description

Technical Field

[0001] This utility model relates to the field of single-crystal blade technology, and in particular to a single-crystal blade wax mold welding fixture. Background Technology

[0002] Single-crystal blades are a key component used in power equipment such as aero engines and gas turbines. They are made of high-temperature alloys and have high strength, heat resistance and fatigue resistance. The manufacturing process of single-crystal blades is complex and requires multiple steps, including wax mold making and welding, casting, heat treatment and machining.

[0003] In existing technologies, when welding wax molds, the wax mold and welding tools are usually manually held and welded to the spiral crystal selector wax mold. Due to the tremors of the hands and visual errors during manual operation, it is easy to weld crookedly. As a result, the axial deviation between the blade wax mold and the spiral crystal selector wax mold can easily exceed the specified range, which seriously affects the qualification rate of single crystal blade products.

[0004] Therefore, it is necessary to design a single-crystal blade wax mold welding fixture. Utility Model Content

[0005] The purpose of this invention is to provide a welding fixture for single-crystal blade wax molds, which aims to achieve positioning welding of single-crystal blade wax molds and spiral crystal selector wax molds, thereby improving welding accuracy.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] This utility model discloses a single-crystal blade wax mold welding fixture, comprising:

[0008] The base has a support component at one end for supporting the wax model of the single crystal blade;

[0009] A sliding assembly for supporting the spiral crystal selector wax mold is slidably connected to the end of the base away from the supporting assembly;

[0010] An adjustment component is mounted on the base, is connected to the sliding component, and can drive the sliding component to slide, so as to adjust the width of the joint between the spiral crystal selector wax mold and the single crystal blade wax mold.

[0011] Optionally, the adjustment component includes a support block fixedly connected to the base and a rotating shaft rotatably connected to the support block, the rotating shaft being drively connected to the sliding component.

[0012] Optionally, a connecting rod is fixed to one end of the sliding component away from the supporting component, a stud is fixed to the end of the connecting rod, and a threaded hole is provided at one end of the rotating shaft, the threaded hole being threadedly connected to the stud.

[0013] Optionally, a ring is fixed around the circumference of the rotating shaft, and the circumferential surface of the ring is provided with anti-slip texture.

[0014] Optionally, the sliding assembly includes a connecting plate, one end of which is fixed with a first support block, and the other end of which is fixed with a second support block. The top of the second support block has a first semi-circular groove for supporting the spiral section of the spiral crystal selector wax mold, and the top of the first support block near the second support block has a second semi-circular groove for supporting the crystal-forming section of the spiral crystal selector wax mold. The side of the first support block away from the second semi-circular groove is fixedly connected to one end of the connecting rod. The connecting plate is slidably connected to the base through a guide assembly.

[0015] Optionally, the guide assembly includes a slider fixed to the bottom end of the connecting plate and a linear slide rail fixed to the top end of the base, the linear slide rail being slidably connected to the slider.

[0016] Optionally, the support assembly includes a third support block and a fourth support block fixedly connected to the base. The top of the third support block has a groove that matches the blade arc surface of the single crystal blade wax model. The wing plate of the single crystal blade wax model rests against one side of the third support block, and the tenon of the single crystal blade wax model is supported on the top surface of the fourth support block.

[0017] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0018] The single-crystal blade wax mold and the spiral crystal selector wax mold are positioned and installed by the support component and the sliding component respectively. Compared with the manual hand-held method, the instability and visual error of manual operation are avoided, the welding accuracy is improved, and the axial deviation between the single-crystal blade wax mold and the spiral crystal selector wax mold is effectively kept within the specified range, thereby improving the product qualification rate. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0021] Figure 2 This is a top view of the structure of this utility model;

[0022] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle.

[0023] Explanation of reference numerals in the attached drawings: 100, base; 200, single crystal blade wax model; 210, wing plate; 220, tenon; 300, spiral crystal selector wax model; 400, support block; 410, elastic retaining ring; 500, rotating shaft; 510, threaded hole; 600, connecting rod; 700, stud; 800, ring body; 900, connecting plate; 910, first support block; 920, second support block; 930, slider; 940, linear slide rail; 1000, third support block; 1100, fourth support block. Detailed Implementation

[0024] The core of this utility model is to provide a welding fixture for single-crystal blade wax molds, which aims to achieve positioning welding of single-crystal blade wax molds and spiral crystal selector wax molds, thereby improving welding accuracy.

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "middle", etc., indicate the orientation or positional relationship based on the orientation 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.

[0027] In a specific embodiment of this utility model, it includes:

[0028] The base 100 has a support assembly at one end for supporting the single-crystal blade wax model 200. The support assembly includes a third support block 1000 and a fourth support block 1100 that are fixedly connected to the base 100 by bolts. The top of the third support block 1000 has a groove that matches the curved surface of the blade of the single-crystal blade wax model 200 to support the blade part of the blade wax model. The wing plate 210 of the single-crystal blade wax model 200 rests against one side of the third support block 1000 to limit its position. The tenon 220 of the single-crystal blade wax model 200 is received on the top surface of the fourth support block 1100 to further fix the position of the blade wax model and ensure that the single-crystal blade wax model 200 remains stable during the welding process.

[0029] A sliding assembly for supporting the spiral crystal selector wax mold 300 is slidably connected to the end of the base 100 away from the supporting assembly. The sliding assembly includes a connecting plate 900, one end of which is integrally formed or bolted to a first supporting block 910, and the other end of which is integrally formed or bolted to a second supporting block 920. The top of the second supporting block 920 has a first semi-circular groove for supporting the spiral section of the spiral crystal selector wax mold 300, and the top of the first supporting block 910 near the second supporting block 920 has a second semi-circular groove for supporting the crystal-forming section of the spiral crystal selector wax mold 300. The spiral crystal selector wax mold 300 is positioned and supported by two semi-circular grooves to keep it stable during welding. The side of the first support block 910 away from the second semi-circular groove is fixedly connected to one end of the connecting rod 600. The connecting plate 900 is slidably connected to the base 100 through a guide assembly. The guide assembly includes a slider 930 fixed to the bottom of the connecting plate 900 by screws and a linear slide rail 940 fixed to the top of the base 100 by bolts. The linear slide rail 940 is slidably connected to the slider 930, so that the sliding assembly can slide stably and smoothly on the base 100 under the driving action of the adjusting assembly.

[0030] An adjustment component, mounted on the base 100, is connected to the sliding component and can drive the sliding component to slide, thereby adjusting the width of the mating seam between the spiral crystal selector wax mold 300 and the single crystal blade wax mold 200. The adjustment component includes a support block 400 fixedly connected to the base 100 by bolts and a rotating shaft 500 rotatably connected to the support block 400 (specifically, a bearing is fixedly installed in the bearing hole of the support block 400 by an elastic retaining ring 410, and the rotating shaft 500 is rotatably connected to the support block 400 through the bearing). The rotating shaft 500 is connected to the sliding component. A connecting rod 600 is welded and fixed to the end of the sliding component away from the support component, and a stud 700 is welded and fixed to the end of the connecting rod 600. One end of the rotating shaft 500 is provided with a threaded hole 510, which is threadedly connected to the stud 700.

[0031] In a specific embodiment of this utility model, the adjustment component includes a support block 400 fixedly connected to the base 100 by bolts and a rotating shaft 500 rotatably connected to the support block 400 (specifically, a bearing is fixedly installed in the bearing hole of the support block 400 by an elastic retaining ring 410, and the rotating shaft 500 is interference-fitted with the inner ring of the bearing, thereby realizing the rotatable connection between the rotating shaft 500 and the support block 400), and the rotating shaft 500 is drive-connected to the sliding component.

[0032] In a specific embodiment of this utility model, a connecting rod 600 is welded and fixed to the end of the sliding component away from the supporting component, and a stud 700 is welded and fixed to the end of the connecting rod 600. A threaded hole 510 is provided at one end of the rotating shaft 500, and the threaded hole 510 is threadedly connected to the stud 700.

[0033] In one specific embodiment of this utility model, the rotating shaft 500 is integrally formed around its periphery, or sleeved (the ring 800 can be a rubber ring), or welded to a ring 800. The peripheral surface of the ring 800 is provided with anti-slip texture. Applying force to the ring 800 causes it to rotate, which in turn drives the rotating shaft 500 to rotate. The rotating shaft 500 threadedly drives the stud 700 and the connecting rod 600 to move, and the connecting rod 600 drives the sliding assembly to slide. The anti-slip texture increases the friction between the ring 800 and the hand, making it easier for the operator to rotate the ring 800.

[0034] In a specific embodiment of this utility model, the sliding assembly includes a connecting plate 900. One end of the connecting plate 900 is integrally formed or bolted to a first support block 910, and the other end of the connecting plate 900 is integrally formed or bolted to a second support block 920. The top end of the second support block 920 is provided with a first semi-circular groove for supporting the spiral segment of the spiral crystal selector wax mold 300. The top end of the first support block 910 near the second support block 920 is provided with a second semi-circular groove for supporting the crystal-forming segment of the spiral crystal selector wax mold 300. The side of the first support block 910 away from the second semi-circular groove is fixedly connected to one end of the connecting rod 600. The connecting plate 900 is slidably connected to the base 100 through a guide assembly.

[0035] In a specific embodiment of this utility model, the guide assembly includes a slider 930 fixed to the bottom of the connecting plate 900 by screws and a linear slide rail 940 fixed to the top of the base 100 by bolts. The linear slide rail 940 is slidably connected to the slider 930.

[0036] In a specific embodiment of this utility model, the support assembly includes a third support block 1000 and a fourth support block 1100 that are fixedly connected to the base 100 by bolts. The top of the third support block 1000 is provided with a groove that matches the blade arc surface of the single crystal blade wax model 200. The wing plate 210 of the single crystal blade wax model 200 rests against one side of the third support block 1000, and the tenon 220 of the single crystal blade wax model 200 is supported on the top surface of the fourth support block 1100.

[0037] The working principle of this utility model for welding a single-crystal blade wax model is as follows: When using this welding fixture, the single-crystal blade wax model 200 is first placed on the third support block 1000 and the fourth support block 1100 of the support assembly. Positioning of the single-crystal blade wax model 200 is achieved through the matching of the blade's arc surface and the groove, the fitting of the wing plate 210 with the side of the third support block 1000, and the connection of the tenon 220 with the top surface of the fourth support block 1100. Then, the spiral crystal selector wax model 300 is placed in the semi-circular grooves of the first support block 910 and the second support block 920 of the sliding assembly, completing the placement of the spiral crystal selector wax model 300. Next, the operator rotates the rotating shaft 500 via the ring 800. Since the rotating shaft 500 is threadedly connected to the stud 700, and the stud 700 is fixed to the sliding assembly via the connecting rod 600, the rotation of the rotating shaft 500 causes the sliding assembly to slide along the linear guide rail 940 on the base 100, thereby adjusting the distance between the spiral crystal selector wax model 300 and the single-crystal blade wax model 200, and controlling the width of the mating seam. Once the width of the mating seam is adjusted to the appropriate position, the wax model welding operation can be performed.

[0038] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably, and the embodiments can be combined with each other. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0039] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A welding fixture for single-crystal blade wax molds, characterized in that, include: The base (100) has a support component at one end for supporting the single crystal blade wax model (200); A sliding assembly for supporting the spiral crystal selector wax mold (300) is slidably connected to one end of the base (100) away from the supporting assembly; An adjustment component is disposed on the base (100), is connected to the sliding component in a transmission manner, and is able to drive the sliding component to slide, so as to adjust the width of the joint between the spiral crystal selector wax mold (300) and the single crystal blade wax mold (200).

2. The single-crystal blade wax mold welding fixture according to claim 1, characterized in that: The adjustment assembly includes a support block (400) fixedly connected to the base (100) and a rotating shaft (500) rotatably connected to the support block (400), the rotating shaft (500) being drivenly connected to the sliding assembly.

3. The single-crystal blade wax mold welding fixture according to claim 2, characterized in that: A connecting rod (600) is fixed to one end of the sliding component away from the supporting component. A stud (700) is fixed to the end of the connecting rod (600). A threaded hole (510) is provided at one end of the rotating shaft (500). The threaded hole (510) is threadedly connected to the stud (700).

4. The single-crystal blade wax mold welding fixture according to claim 2 or 3, characterized in that: A ring (800) is fixed around the circumference of the rotating shaft (500), and the circumferential surface of the ring (800) is provided with anti-slip texture.

5. The single-crystal blade wax mold welding fixture according to claim 3, characterized in that: The sliding assembly includes a connecting plate (900), one end of which is fixed with a first support block (910), and the other end of which is fixed with a second support block (920). The top of the second support block (920) is provided with a first semi-circular groove for supporting the spiral segment of the spiral crystal selector wax mold (300). The top of the first support block (910) near the second support block (920) is provided with a second semi-circular groove for supporting the crystal-forming segment of the spiral crystal selector wax mold (300). The side of the first support block (910) away from the second semi-circular groove is fixedly connected to one end of the connecting rod (600). The connecting plate (900) is slidably connected to the base (100) through a guide assembly.

6. The single-crystal blade wax mold welding fixture according to claim 5, characterized in that: The guide assembly includes a slider (930) fixed to the bottom of the connecting plate (900) and a linear slide rail (940) fixed to the top of the base (100), the linear slide rail (940) being slidably connected to the slider (930).

7. The single-crystal blade wax mold welding fixture according to claim 1, characterized in that: The support assembly includes a third support block (1000) and a fourth support block (1100) fixedly connected to the base (100). The top of the third support block (1000) is provided with a groove, which matches the blade arc surface of the single crystal blade wax model (200). The wing plate (210) of the single crystal blade wax model (200) rests against one side of the third support block (1000), and the tenon (220) of the single crystal blade wax model (200) is supported on the top surface of the fourth support block (1100).

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