Aircraft oil way shell mold

By designing the snap assembly and injection cooling system of the aircraft oil circuit housing mold, the entrainment problem of stamping blocks when they are separated from the refined oil circuit housing and the heat generation during the stamping process are solved, which improves work efficiency and protects staff.

CN222587871UActive Publication Date: 2025-03-11NINGBO JINGZHI MOULD CO LTD
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Patent Information

Application Number
CN202420799226.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-03-11
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

In the production process of aircraft oil circuit shells, the stamping block may entrain the finished product when it breaks away from the finished oil circuit shell, resulting in cumbersome manual shedding and reducing work efficiency; at the same time, friction generates heat during the stamping process, which may cause scalding to the staff.

Method used

An aircraft oil circuit housing mold is designed, including a base, stamping table, hydraulic cylinder and snap assembly. The stamping block is driven by the hydraulic cylinder to press the steel plate into the stamping table. The finished oil circuit housing is stuck by the snap assembly when it is disengaged to prevent entrainment; at the same time, the nozzle and the connecting pipe system spray air and water onto the surface of the finished oil circuit housing to cool down and prevent scalding.

Benefits of technology

It effectively prevents the finished oil circuit shell from being entrained or accidentally falling off during the disengagement process, improving work efficiency; at the same time, cooling measures protect staff and avoid scalding.

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Abstract

The utility model discloses an aircraft oil way shell mold, and belongs to the technical field of oil way shell machining. An aircraft oil way shell mold comprises a base, a stamping table is arranged on the upper surface of the base, a finished oil pan is arranged in the stamping table, a first hydraulic cylinder is fixedly connected to the upper portion of the base, the output end of the first hydraulic cylinder is fixedly connected with a stamping block, and the stamping block is matched with the stamping table. Buckle assemblies are arranged on the two sides of the punching table. And each set of buckle assembly comprises a rotating plate rotationally arranged on one side of the inner wall of the stamping table, a first groove body is formed in the surface of each rotating plate, and a first clamping plate is rotationally arranged at the position, corresponding to the first groove body of the rotating plate, of the stamping table. Therefore, the stamping block is prevented from clamping out of the finished oil way shell, and the problem that the clamped finished oil way shell possibly falls off and is damaged accidentally is solved.
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Description

Technical Field

[0001] The present application relates to the technical field of oil circuit housing processing, and in particular to an aircraft oil circuit housing mold. Background Art

[0002] The aircraft oil circuit housing is a key component in the aircraft fuel system, mainly used to contain and protect the oil circuit for the fuel to flow inside the aircraft. It ensures that the fuel can be safely and effectively transported from the fuel tank to the engine to provide power for the normal operation of the aircraft. The oil circuit housing is usually produced by stamping equipment.

[0003] A patent with publication number CN220497727U discloses a gearbox housing die-casting mold, comprising a body; a lifting groove is provided on the inner wall of the body; a lifting column is slidably connected in the lifting groove; a lifting base is fixedly connected to the end of the lifting column; a telescopic column is fixedly connected to the lifting base; the oil circuit of the die-casting is cleaned by means of components such as an air outlet box provided on the inner wall of the body, a lifting groove is provided on the side wall of the body, a lifting column is slidably connected in the lifting groove, and components such as a telescopic column are provided on the lifting column, the end of the telescopic column is fixedly connected to the air outlet box, an air outlet pipe is fixedly connected to the air outlet box, an air supply pipe is fixedly connected to the top of the air outlet box, air is supplied into the box by the air supply pipe, and then the air outlet pipe is driven close to the die-casting by the telescopic column, and the air supplied by the air supply pipe is blown out by the air outlet pipe, so that the waste remaining in the oil circuit can be cleaned out to prevent it from being blocked inside and affecting subsequent work.

[0004] However, the above technical solution has the following defects:

[0005] (1) In the prior art, when the aircraft oil circuit housing mold is used to produce the aircraft oil circuit housing, when the stamping block contacts the steel plate, the steel plate will be squeezed into the mold. However, since the steel plate is formed by stamping and extrusion, the aircraft oil circuit housing may be carried up with the stamping block when the stamping block is separated from the stamped aircraft oil circuit housing, and it is necessary to manually remove it, which is cumbersome and reduces work efficiency. In addition, the finished oil circuit housing may accidentally fall off the stamping block, thereby causing damage.

[0006] (2) In the prior art, during the stamping production process of the aircraft oil circuit housing, the steel plate is stamped by a punch block under high-intensity pressure to form the aircraft oil circuit housing. Therefore, a very large friction is generated between the steel plate and the punch block, thereby generating heat. Therefore, when the staff takes the finished aircraft oil circuit housing, they may burn their hands, thereby reducing the staff's work efficiency and affecting production efficiency. Utility Model Content

[0007] One purpose of the present application is to press the stamped aircraft oil circuit housing through a certain mechanical structure so that it is not clamped out of the mold groove by the stamping block, making it convenient for staff to take it.

[0008] To achieve the above purpose, the technical solution adopted in the present application is: an aircraft oil circuit housing mold, comprising a base, a stamping platform is arranged on the upper surface of the base, a finished oil pan is arranged in the stamping platform, a first hydraulic cylinder is fixedly connected to the top of the base, a stamping block is fixedly connected to the output end of the first hydraulic cylinder, the stamping block is matched with the stamping platform, and buckle components are arranged on both sides of the stamping platform;

[0009] Each group of the buckle components includes a rotating plate rotatably arranged on one side of the inner wall of the punching table, a first groove is opened on the surface of each rotating plate, and a first clamping plate is rotatably arranged on the punching table corresponding to the position of the first groove of the rotating plate.

[0010] Preferably, the method further includes a connecting plate rotatably arranged inside the stamping table, the top end of the connecting plate is fixedly connected to a limiting column, the first clamping plate is rotatably connected to the connecting plate via the limiting column, and the bottom end of the connecting plate is rotatably connected to a second clamping plate.

[0011] Preferably, the top end of the rotating plate is rotatably connected to a rotating shaft, and a first torsion spring is sleeved on the circumferential surface of the rotating shaft.

[0012] Preferably, a positioning shaft is rotatably connected to the middle portion of the connecting plate, and a second torsion spring is sleeved on the middle portion of the positioning shaft.

[0013] Preferably, a base plate is fixedly connected to the middle of the stamping table, a plurality of fixing holes are provided on the upper surface of the base plate, a positioning tube is fixedly connected to the lower surface of the base plate, a fixing tube is fixedly connected to the positioning tube at the position corresponding to each fixing hole, a connecting box is fixedly connected to the upper surface of the base, the connecting box is fixed to the positioning tube, a water tank is fixedly connected to the upper surface of the connecting box, a first connecting tube is fixedly connected to one side of the water tank, a connecting pipe is provided at the position of the stamping table corresponding to the first connecting pipe, a plurality of spray holes are provided on the inner wall of the stamping table corresponding to the position of the connecting pipe, and a nozzle is provided at the connection between the connecting pipe and the fixing pipe.

[0014] Preferably, a plurality of positioning columns are arranged between the positioning tubes, and each of the positioning columns is fixedly connected between the stamping platform and the bottom plate.

[0015] Preferably, a first cavity is opened at the position of the spray hole on each side of the punching platform, the first cavity passes through the base, a partition is arranged on one side of the first cavity, and the partition is fixedly connected to the punching platform and the base.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] 1. By placing the steel plate on the stamping table, and then starting the first hydraulic cylinder to drive the stamping block to descend, the stamping block will press the steel plate into the stamping table, and then stamp the finished oil circuit housing. During the forming process, the steel plate will gradually squeeze the rotating plate to rotate, and then the first clamping plate will slide out of the first groove of the rotating plate, and then just get stuck on the edge of the finished oil circuit housing. During the resetting process of the stamping block, the first clamping plate will clamp the finished oil circuit housing, so that the stamping block will not carry out the finished oil circuit housing, thereby protecting the finished oil circuit housing and solving the problem that the entrained finished oil circuit housing may accidentally fall off and be damaged.

[0018] 2 During the process of stamping the steel plate by the stamping block, a space will be formed between the steel plate and the bottom plate, and then in the process of continuous downward pressure, the air between the two will be squeezed into the fixed hole, and then the squeezed air will rush out of the nozzle along the connecting pipe, and then the water in the connecting pipe will be sprayed out from the spray port, thereby cooling the outer wall of the finished oil circuit housing, so that the staff will not be scalded when they take the oil circuit housing that has just been stamped. Because in the process of stamping the steel plate by the stamping block, the steel plate is stamped into the aircraft oil circuit housing through high-intensity pressure, so there will be a lot of friction between the steel plate and the stamping block, thereby generating heat, achieving the effect of protecting the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0020] Figure 2 This is a partial structural schematic diagram of the main body of an aircraft oil circuit housing mold proposed by the utility model;

[0021] Figure 3 A cross-sectional view of a stamping table of an aircraft oil circuit housing mold proposed by the utility model;

[0022] Figure 4 This is a bottom view of a base of an aircraft oil circuit housing mold proposed by the utility model;

[0023] Figure 5 This is a structural schematic diagram of a positioning tube of an aircraft oil circuit housing mold proposed by the utility model;

[0024] Figure 6 This is a schematic diagram of the bottom surface structure of a base of an aircraft oil circuit housing mold proposed by the utility model;

[0025] Figure 7 It is a partial structural schematic diagram of a stamping table of an aircraft oil circuit housing mold proposed by the utility model;

[0026] Figure 8The utility model is a structural schematic diagram of a connecting plate of an aircraft oil circuit housing mold.

[0027] In the figure: 1, base; 11, first hydraulic cylinder; 12, punching block;

[0028] 2. Stamping table;

[0029] 3. Finished oil sump;

[0030] 4. water storage tank; 41. first connecting pipe; 42. connecting box; 43. connecting pipe; 44. nozzle; 45. bottom plate; 46. fixing hole; 47. positioning pipe; 48. fixing pipe; 49. positioning column; 410. first cavity; 411. partition; 412. spray hole;

[0031] 5. Rotating plate; 51. First clamping plate; 52. Rotating shaft; 53. First torsion spring; 54. Limiting column; 55. Connecting plate; 56. Positioning shaft; 57. Second clamping plate; 58. First slot; 59. Second torsion spring. DETAILED DESCRIPTION

[0032] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0033] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do 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 cannot be understood as limiting the specific scope of protection of the present application.

[0034] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0035] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0036] The prior art has the following defects:

[0037] (1) In the prior art, when an aircraft oil circuit housing mold is used to produce an aircraft oil circuit housing, when the stamping block contacts the steel plate, the steel plate will be squeezed into the mold. However, since the steel plate is formed by stamping and extrusion, the aircraft oil circuit housing may be carried up when the stamping block is separated from the stamped aircraft oil circuit housing, and manual removal is required. The process is cumbersome and reduces work efficiency.

[0038] (2) In the prior art, during the stamping production process of the aircraft oil circuit housing, the steel plate is stamped by a punch block under high-intensity pressure to form the aircraft oil circuit housing. Therefore, a very large friction is generated between the steel plate and the punch block, thereby generating heat. Therefore, when the staff takes the finished aircraft oil circuit housing, they may burn their hands, thereby reducing the staff's work efficiency and affecting production efficiency.

[0039] As an improvement, Figures 1 to 8 As shown, the preferred embodiments of the present application are:

[0040] A mold for an aircraft oil circuit housing comprises a base 1, a stamping table 2 is arranged on the upper surface of the base 1, a finished oil pan 3 is arranged in the stamping table 2, a first hydraulic cylinder 11 is fixedly connected to the top of the base 1, a stamping block 12 is fixedly connected to the output end of the first hydraulic cylinder 11, the stamping block 12 is matched with the stamping table 2, and buckle assemblies are arranged on both sides of the stamping table 2; each group of the buckle assemblies comprises a rotating plate 5 rotatably arranged on one side of the inner wall of the stamping table 2, a first groove body 58 is opened on the surface of each of the rotating plates 5, and a first clamping plate 51 is rotatably arranged on the stamping table 2 corresponding to the position of the first groove body 58 of the rotating plate.

[0041] Specifically, in the process of using the aircraft oil circuit housing mold to produce the aircraft oil circuit housing, when the stamping block 12 contacts the steel plate, it will squeeze the steel plate into the mold. However, since the steel plate is formed by stamping and extrusion, the aircraft oil circuit housing may be entrained and lifted up during the process of the stamping block 12 separating from the stamped aircraft oil circuit housing, and it is also necessary to manually remove it. The process is cumbersome and reduces work efficiency. In addition, the finished oil circuit housing may accidentally fall off the stamping block 12, thereby causing damage. Therefore, the present invention provides corresponding structures such as the first clamping plate 51 and the rotating plate 5 to clamp out the stamped finished oil circuit housing, so that the stamping block 12 cannot entrain the finished oil circuit housing, thereby preventing the finished oil circuit housing from possibly falling off. In order to prevent the steel plate from accidentally falling off from the punching block 12 and causing damage, when in use, first place the steel plate on the punching table 2, then start the first hydraulic cylinder 11 to drive the punching block 12 to descend, and then the punching block 12 will press the steel plate into the punching table 2, and then punch the finished oil circuit shell. During the forming process, the steel plate will gradually squeeze the rotating plate 5 to rotate, and then the first clamping plate 51 will slide out of the first groove 58 of the rotating plate 5, and then just get stuck on the edge of the finished oil circuit shell. During the resetting process of the punching block 12, the first clamping plate 51 will clamp the finished oil circuit shell, so that the punching block 12 will not entrain the finished oil circuit shell, thereby achieving the protection of the finished oil circuit shell; the problem that the entrained finished oil circuit shell may accidentally fall off and be damaged is solved.

[0042] like Figure 7 and Figure 8 As shown, in this embodiment, it also includes a connecting plate 55 rotatably arranged inside the stamping table 2, the top end of the connecting plate 55 is fixedly connected to the limiting column 54, the first clamping plate 51 is rotatably connected to the connecting plate 55 through the limiting column 54, and the bottom end of the connecting plate 55 is rotatably connected to the second clamping plate 57.

[0043] Specifically, during the stamping process, when the stamping block 12 stamps the steel plate into shape, the steel plate will continuously squeeze the rotating plate 5, thereby driving the rotating plate 5 to rotate. The rotation of the rotating plate 5 squeezes the second clamping plate 57 to slide. The sliding of the second clamping plate 57 pushes the connecting plate 55 to rotate. The rotation of the connecting plate 55 pushes the top first clamping plate 51 to slide out of the first groove body 58, thereby clamping the finished oil circuit housing, thereby achieving a better fixing effect.

[0044] like Figure 8 As shown, in this embodiment, the top end of the rotating plate 5 is rotatably connected to a rotating shaft 52 , and a first torsion spring 53 is sleeved on the circumferential surface of the rotating shaft 52 .

[0045] Specifically, after the stamping block 12 is disengaged, the rotating plate 5 will automatically reset under the drive of the first torsion spring 53, so that it can be used reciprocatingly during the stamping process on the next side to achieve automatic clamping of the finished oil circuit housing, and then the 180-degree rotation of the rotating plate 5 will not hinder the removal of the finished oil circuit housing.

[0046] like Figure 8 As shown, in this embodiment, a positioning shaft 56 is rotatably connected to the middle of the connecting plate 55 , and a second torsion spring 59 is sleeved on the middle of the positioning shaft 56 .

[0047] Specifically, when the connecting plate 55 rotates and pushes the first clamping plate 51 to limit the finished oil circuit housing, while the rotating plate 5 is reset, the connecting plate 55 will also automatically reset under the drive of the second torsion spring 59, so that the first clamping plate 51 is separated from the first groove body 58, thereby not interfering with the automatic reset of the rotating plate 5, and achieving the effect of continuous utilization.

[0048] like Figures 1 to 5 As shown, in this embodiment, a bottom plate 45 is fixedly connected to the middle of the punching table 2, a plurality of fixing holes 46 are provided on the upper surface of the bottom plate 45, a positioning tube 47 is fixedly connected to the lower surface of the bottom plate 45, and a fixing tube 48 is fixedly connected to the positioning tube 47 corresponding to the position of each fixing hole 46, a connecting box 42 is fixedly connected to the upper surface of the base 1, the connecting box 42 is fixedly connected to the positioning tube 47, a water tank 4 is fixedly connected to the upper surface of the connecting box 42, a first connecting tube 41 is fixedly connected to one side of the water tank 4, a connecting pipe 43 is provided on the punching table 2 at a position corresponding to the first connecting pipe 41, a plurality of spray holes 412 are provided on the inner wall of the punching table 2 at a position corresponding to the connecting pipe 43, and a nozzle 44 is provided at the connection between the connecting pipe 43 and the fixing pipe 48.

[0049] Specifically, in the process of stamping the steel plate by the stamping block 12, a space will be formed between the steel plate and the bottom plate 45, and then in the process of continuous downward pressure, the air between the two will be squeezed into the fixing hole 46, and then the squeezed air will rush out of the nozzle 44 along the connecting pipe, and then the water in the connecting pipe 43 will be sprayed out from the spray port, thereby cooling the outer wall of the finished oil circuit shell, so that the staff will not be scalded when they take the oil circuit shell that has just been stamped. Because in the process of stamping the steel plate by the stamping block 12, the steel plate is stamped into the aircraft oil circuit shell through high-intensity pressure, so there will be a very large friction between the steel plate and the stamping block 12, thereby generating heat, thereby achieving the effect of protecting the staff.

[0050] like Figure 3 and Figure 5 As shown, in this embodiment, a plurality of positioning columns 49 are disposed between the positioning tubes 47 , and each of the positioning columns 49 is fixedly connected between the stamping table 2 and the bottom plate 45 .

[0051] Specifically, a plurality of positioning columns 49 are fixedly connected between the bottom plate 45 and the punching table 2 , so as to support the bottom plate 45 and protect the structures such as the fixed pipe 48 below the bottom plate 45 during the process of the punching block 12 punching the steel plate.

[0052] like Figure 3 and Figure 6 As shown, in this embodiment, the stamping platform 2 is provided with a first cavity 410 at the position corresponding to the spray hole 412 on each side, the first cavity 410 passes through the base 1, and a partition 411 is provided on one side of the first cavity 410, and the partition 411 is fixedly connected to the stamping platform 2 and the base 1.

[0053] Specifically, a first cavity 410 is opened below the spray hole 412, and the first cavity 410 penetrates the base 1. Then, water droplets formed by the sprayed water mist on the steel plate gather and flow out of the base 1 along the first cavity 410, thereby achieving the effect of protecting the stamping equipment.

[0054] The working principle of the present application is as follows: first, a steel plate is placed on the stamping table 2, and then the first hydraulic cylinder 11 is started to drive the stamping block 12 to descend, and then the stamping block 12 will press the steel plate into the stamping table 2, and then stamp the finished oil circuit housing. During the process of the stamping block 12 stamping the steel plate into shape, the steel plate will continuously squeeze the rotating plate 5, thereby driving the rotating plate 5 to rotate, and the rotation of the rotating plate 5 squeezes the second clamping plate 57 to slide, and the sliding of the second clamping plate 57 pushes the connecting plate 55 to rotate, and the rotation of the connecting plate 55 pushes the top first clamping plate 51 to slide out of the first groove body 58, and then just get stuck at the edge of the finished oil circuit housing, and during the resetting process of the stamping block 12, the first clamping plate 51 will clamp the finished oil circuit housing, so that the stamping block 12 will not entrain the finished oil circuit housing, thereby protecting the finished oil circuit housing;

[0055] In the process of stamping the steel plate by the stamping block 12, a space will be formed between the steel plate and the bottom plate 45, and then in the process of continuous downward pressure, the air between the two will be squeezed into the fixed hole 46, and then the squeezed air will rush out of the nozzle 44 along the connecting pipe, and then the water in the connecting pipe 43 will be sprayed out from the spray port, thereby cooling the outer wall of the finished oil circuit shell, so that the staff will not be burned when they take the oil circuit shell that has just been stamped. Because in the process of stamping the steel plate by the stamping block 12, the steel plate is stamped into the aircraft oil circuit shell by high-intensity pressure, so there will be a very large friction between the steel plate and the stamping block 12, thereby generating heat, thereby achieving the effect of protecting the staff, and at the same time, a first cavity 410 is opened below the spray hole 412, and the first cavity 410 passes through the base 1, and then the water droplets formed by the sprayed water mist on the steel plate will gather and flow out of the base 1 along the first cavity 410, thereby achieving the effect of protecting the stamping equipment.

[0056] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An aircraft oil circuit housing mold, characterized in that: The invention comprises a base (1), a punching platform (2) is arranged on the upper surface of the base (1), a finished oil pan (3) is arranged inside the punching platform (2), a first hydraulic cylinder (11) is fixedly connected to the top of the base (1), a punching block (12) is fixedly connected to the output end of the first hydraulic cylinder (11), the punching block (12) is matched with the punching platform (2), and buckle assemblies are arranged on both sides of the punching platform (2); Each group of the buckle components comprises a rotating plate (5) rotatably arranged on one side of the inner wall of the punching platform (2), a first groove (58) is provided on the surface of each rotating plate (5), and a first clamping plate (51) is rotatably arranged on the punching platform (2) corresponding to the position of the first groove (58) of the rotating plate.

2. The aircraft oil circuit housing mold according to claim 1, characterized in that: It also includes a connecting plate (55) rotatably arranged inside the punching table (2), the top end of the connecting plate (55) is fixedly connected to a limiting column (54), the first clamping plate (51) is rotatably connected to the connecting plate (55) via the limiting column (54), and the bottom end of the connecting plate (55) is rotatably connected to a second clamping plate (57).

3. The aircraft oil circuit housing mold according to claim 1, characterized in that: The top end of the rotating plate (5) is rotatably connected to a rotating shaft (52), and a first torsion spring (53) is sleeved on the circumferential surface of the rotating shaft (52).

4. The aircraft oil circuit housing mold according to claim 2, characterized in that: The middle part of the connecting plate (55) is rotatably connected to a positioning shaft (56), and the middle part of the positioning shaft (56) is sleeved with a second torsion spring (59).

5. The aircraft oil circuit housing mold according to claim 1, characterized in that: A bottom plate (45) is fixedly connected to the middle of the punching platform (2), a plurality of fixing holes (46) are provided on the upper surface of the bottom plate (45), a positioning tube (47) is fixedly connected to the lower surface of the bottom plate (45), and a fixing tube (48) is fixedly connected to the positioning tube (47) at the position corresponding to each fixing hole (46), a connecting box (42) is fixedly connected to the upper surface of the base (1), the connecting box (42) is fixedly connected to the positioning tube (47), a water storage tank (4) is fixedly connected to the upper surface of the connecting box (42), a first connecting tube (41) is fixedly connected to one side of the water storage tank (4), a connecting pipe (43) is provided on the punching platform (2) at a position corresponding to the first connecting pipe (41), a plurality of spray holes (412) are provided on the inner wall of the punching platform (2) at a position corresponding to the connecting pipe (43), and a nozzle (44) is provided at the connection between the connecting pipe (43) and the fixing pipe (48).

6. The aircraft oil circuit housing mold according to claim 5, characterized in that: A plurality of positioning columns (49) are arranged between the positioning tubes (47), and each positioning column (49) is fixedly connected between the punching platform (2) and the bottom plate (45).

7. The aircraft oil circuit housing mold according to claim 1, characterized in that: The punching platform (2) is provided with a first cavity (410) at a position corresponding to the spray hole (412) on each side, the first cavity (410) passes through the base (1), and a partition (411) is provided on one side of the first cavity (410), the partition (411) is fixedly connected to the punching platform (2) and the base (1).

Citation Information

Patent Citations

  • Gearbox shell die-casting die

    CN220497727U