A new casting device for aviation precision parts

Abstract

The present invention relates to the field of metal powder casting technology, and discloses a new type of casting device for aviation precision parts, including a first U-shaped plate, the upper surface of the first U-shaped plate is fixedly connected to a first hydraulic push rod, the telescopic end of the first hydraulic push rod is fixedly connected to a first elastic bracket, and the inner wall of the first elastic bracket is fixedly connected to a left mold. The present invention sets a second elastic bracket, a driving mechanism, a cylinder, and a second protrusion to cooperate so that the right mold can shake after the driving motor on the driving mechanism is turned on, and the left mold can shake along with the right mold through the cooperation of the first elastic bracket, the conical positioning block, and the positioning groove. At this time, the metal powder in the forming cavity is more compacted by the shaking, thereby preventing the presence of gaps inside the cast aviation precision parts due to the insufficient compactness of the metal powder in the forming cavity when casting aviation precision parts.

Description

Technical Field

[0001] The invention relates to the technical field of metal powder casting, and in particular to a new casting device for aviation precision parts. Background Art

[0002] Aviation refers to the navigation activities of manned or unmanned aircraft in the Earth's atmosphere. Aviation requires air as a medium and lift to overcome the aircraft's own gravity. Most aircraft also need the power to generate relative movement to the air.

[0003] At present, when manufacturing aviation precision parts, most of them use casting devices to cast metal powder into workpieces with a certain shape. When casting workpieces, existing casting devices usually inject metal powder into a forming cavity first, and then extrude the metal powder in the forming cavity through a forming head, such as a metal casting forming device disclosed in Chinese patent announcement number CN112139505A. However, when casting aviation precision parts, the metal powder in the forming cavity is often not compact enough, resulting in gaps inside the cast aviation precision parts, which causes the cast aviation precision parts to fail to meet quality requirements. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, such as: at present, when casting aviation precision parts, the metal powder in the forming cavity is often not compacted enough, resulting in gaps inside the cast aviation precision parts, which causes the cast aviation precision parts to fail to meet the quality requirements. A new casting device for aviation precision parts is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A novel casting device for aviation precision parts comprises a first U-shaped plate, the upper surface of the first U-shaped plate is fixedly connected to a first hydraulic push rod, the telescopic end of the first hydraulic push rod is fixedly connected to a first elastic bracket, the inner wall of the first elastic bracket is fixedly connected to a left mold, the inner wall of the left mold is provided with a first sliding hole, the left side of the left mold is fixedly connected to an extrusion mechanism, the surface of the extrusion mechanism contacts the inner wall of the first sliding hole, the right side of the left mold is fitted with a right mold, the left side of the right mold is provided with a forming cavity, the left side of the right mold is provided with a first feeding trough, and the right side of the left mold is provided with a first Two feed troughs, the inner wall of the second feed trough is fitted with a feed funnel, the surface of the feed funnel is fixedly connected to the inner wall of the first feed trough, the surface of the right mold and the bottom of the inner wall of the first U-shaped plate are fixedly connected with a second elastic bracket, the right side of the inner wall of the first U-shaped plate is fixedly connected with a driving mechanism, the right side of the right mold is fixedly connected with a cylinder, the inner wall of the cylinder contacts the upper surface of the driving mechanism, the inner wall of the cylinder is fixedly connected with a second protrusion, the right side of the left mold is fixedly connected with a conical positioning block, the left side of the right mold is provided with a positioning groove, and the inner wall of the positioning groove contacts the surface of the conical positioning block.

[0007] Preferably, the first feed trough is communicated with the forming cavity, and the second feed trough is communicated with the first sliding hole.

[0008] Preferably, the first elastic bracket includes a first rectangular frame, the left side of the first rectangular frame is fixedly connected to the telescopic end of the first hydraulic push rod, a first annular airbag is bonded to the inner wall of the first rectangular frame, a first connecting ring is fitted on the inner wall of the first annular airbag, the inner wall of the first connecting ring is fixedly connected to the surface of the left mold, first retaining rings are fitted on both sides of the left and right sides of the first connecting ring, and the surface of the first retaining ring is fixedly connected to the inner wall of the first rectangular frame.

[0009] Preferably, the extrusion mechanism includes a second U-shaped plate, the right side of the second U-shaped plate is fixedly connected to the left side of the left mold, the left side of the inner wall of the second U-shaped plate is fixedly connected to a second hydraulic push rod, the telescopic end of the second hydraulic push rod is fixedly connected to a forming head, and the surface of the forming head is in contact with the inner wall of the first sliding hole.

[0010] Preferably, the second elastic bracket includes a second rectangular frame, the bottom of the second rectangular frame is fixedly connected to the bottom of the inner wall of the first U-shaped plate, the inner wall of the second rectangular frame is fitted with a second annular airbag, the inner wall of the second annular airbag is fitted with a second connecting ring, the inner wall of the second connecting ring is fixedly connected to the surface of the right mold, second retaining rings are fitted on both sides of the left and right sides of the second connecting ring, and the surface of the second retaining ring is fixedly connected to the inner wall of the second rectangular frame.

[0011] Preferably, the driving mechanism includes a motor bracket, the right side of the motor bracket is fixedly connected to the right side of the inner wall of the first U-shaped plate, the upper surface of the motor bracket is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a rotating shaft, the surface of the rotating shaft is fixedly connected to a disc, the upper surface of the disc is fixedly connected to a first protrusion, and the upper surface of the first protrusion contacts the inner wall of the cylinder.

[0012] Preferably, a vertical plate is fixedly connected to the front side of the second rectangular frame, a circular hole is opened inside the vertical plate, a rubber sleeve is bonded to the inner wall of the circular hole, a sliding column is fitted on the inner wall of the rubber sleeve and the front side of the right mold, a marking plate is fixedly connected to the front side of the sliding column, a transparent scale is fitted on the upper surface of the marking plate, and the back side of the transparent scale is fixedly connected to the front side of the second rectangular frame.

[0013] Preferably, a second sliding hole is opened inside the right mold, and a support column is fitted on the inner wall of the second sliding hole and the right side of the left mold. A spring is fixedly connected to the right side of the support column, and a fixed bracket is fixedly connected to the right side of the spring and the right side of the right mold.

[0014] Preferably, the support column is located below the forming cavity.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention arranges the cooperation of the second elastic bracket, the driving mechanism, the cylinder and the second protrusion so that after the driving motor on the driving mechanism is turned on, the right mold can generate a shake, and through the cooperation of the first elastic bracket, the conical positioning block and the positioning groove, the left mold can shake together with the right mold. At this time, the metal powder in the forming cavity is more compacted by the shaking, thereby preventing the presence of gaps inside the cast aviation precision parts due to the insufficient compactness of the metal powder in the forming cavity when casting aviation precision parts.

[0017] The present invention provides a vertical plate, a round hole, a rubber sleeve, a sliding column, a marking plate and a transparent scale. When the right mold shakes, the distance between the vertical plate and the marking plate changes through the shaking right mold, and the transparent scale and the marking plate cooperate to enable the user to intuitively judge the shaking amplitude of the right mold. Furthermore, the vertical plate, the round hole, the rubber sleeve, the sliding column, the marking plate and the transparent scale cooperate to enable the user to more conveniently judge the shaking amplitude of the right mold, so that the user can replace the worn first protrusion and the second protrusion in time.

[0018] The present invention provides a second sliding hole, a support column, a spring and a fixed bracket, wherein, when the left mold is separated from the right mold, the spring pushes the support column to expose the left end of the support column from the second sliding hole, and the support column catches the aviation precision parts falling from the forming cavity, thereby preventing the aviation precision parts from being damaged on the surface of the aviation precision parts due to falling onto the first U-shaped plate after being shaken out of the forming cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 It is a front view of the structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the left mold of the present invention;

[0022] Figure 4 It is a schematic diagram of the right mold of the present invention;

[0023] Figure 5 It is a left view of the right mold of the present invention;

[0024] Figure 6 It is a front view of the driving mechanism of the present invention;

[0025] Figure 7 is a side view of the disc of the present invention;

[0026] Figure 8 is a side view of the cylinder of the present invention;

[0027] Fig. 9 It is a front view of the vertical board of the present invention;

[0028] Fig.10 It is the rear view of the marking plate of the present invention.

[0029] In the figure: 1, first U-shaped plate; 2, first hydraulic push rod; 3, first elastic bracket; 31, first rectangular frame; 32, first annular airbag; 33, first connecting ring; 34, first retaining ring; 4, left mold; 5, first slide hole; 6, extrusion mechanism; 61, second U-shaped plate; 62, second hydraulic push rod; 63, forming head; 7, right mold; 8, forming cavity; 9, first feed trough; 10, second feed trough; 11, feed hopper; 12, second elastic bracket; 121, second rectangular frame; 122, The second annular airbag; 123, the second connecting ring; 124, the second retaining ring; 13, the driving mechanism; 131, the motor bracket; 132, the driving motor; 133, the rotating shaft; 134, the disc; 135, the first protrusion; 14, the cylinder; 15, the second protrusion; 16, the conical positioning block; 17, the positioning groove; 18, the vertical plate; 19, the round hole; 20, the rubber sleeve; 21, the sliding column; 22, the marking plate; 23, the transparent scale; 24, the second sliding hole; 25, the supporting column; 26, the spring; 27, the fixing bracket. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0032] Example 1: Reference Figure 1-8A novel casting device for aviation precision parts comprises a first U-shaped plate 1, a first hydraulic push rod 2 is fixedly connected to the upper surface of the first U-shaped plate 1, a first elastic bracket 3 is fixedly connected to the telescopic end of the first hydraulic push rod 2, the first elastic bracket 3 is controlled to move left and right by the first hydraulic push rod 2, a left mold 4 is fixedly connected to the inner wall of the first elastic bracket 3, a first sliding hole 5 is provided on the inner wall of the left mold 4, an extrusion mechanism 6 is fixedly connected to the left side of the left mold 4, the surface of the extrusion mechanism 6 contacts the inner wall of the first sliding hole 5, a right mold 7 is fitted on the right side of the left mold 4, a forming cavity 8 is provided on the left side of the right mold 7, a first feed trough 9 is provided on the left side of the right mold 7, a second feed trough 10 is provided on the right side of the left mold 4, a feed funnel 11 is fitted on the inner wall of the second feed trough 10, and the surface of the feed funnel 11 is fixedly connected to the inner wall of the first feed trough 9 Then, the first feed trough 9 is connected with the forming cavity 8, the second feed trough 10 is connected with the first slide hole 5, the metal powder can enter the forming cavity 8 through the feed funnel 11, the surface of the right mold 7 and the bottom of the inner wall of the first U-shaped plate 1 are fixedly connected with the second elastic bracket 12, the right side of the inner wall of the first U-shaped plate 1 is fixedly connected with the driving mechanism 13, the right side of the right mold 7 is fixedly connected with the cylinder 14, the inner wall of the cylinder 14 is in contact with the upper surface of the driving mechanism 13, the inner wall of the cylinder 14 is fixedly connected with the second protrusion 15, the right side of the left mold 4 is fixedly connected with the conical positioning block 16, the left side of the right mold 7 is provided with a positioning groove 17, the inner wall of the positioning groove 17 is in contact with the surface of the conical positioning block 16, when the conical positioning block 16 is inserted into the positioning groove 17, the right mold 7 can drive the left mold 4 to move through the cooperation of the conical positioning block 16 and the positioning groove 17.

[0033] The first elastic bracket 3 includes a first rectangular frame 31, the left side of the first rectangular frame 31 is fixedly connected to the telescopic end of the first hydraulic push rod 2, the inner wall of the first rectangular frame 31 is bonded with a first annular airbag 32, the inner wall of the first annular airbag 32 is fitted with a first connecting ring 33, the inner wall of the first connecting ring 33 is fixedly connected to the surface of the left mold 4, the left and right sides of the first connecting ring 33 are fitted with first retaining rings 34, the surface of the first retaining ring 34 is fixedly connected to the inner wall of the first rectangular frame 31, the first connecting ring 33 is clamped in the first annular airbag 32 by the first retaining ring 34, and the left mold 4 can be moved slightly by the first annular airbag 32.

[0034] The extrusion mechanism 6 includes a second U-shaped plate 61, the right side of the second U-shaped plate 61 is fixedly connected to the left side of the left mold 4, the left side of the inner wall of the second U-shaped plate 61 is fixedly connected to a second hydraulic push rod 62, the telescopic end of the second hydraulic push rod 62 is fixedly connected to a forming head 63, the surface of the forming head 63 is in contact with the inner wall of the first sliding hole 5, the second hydraulic push rod 62 is used to control the forming head 63 to move left and right, and the forming head 63 is used to extrude the metal powder in the forming cavity 8.

[0035] The second elastic bracket 12 includes a second rectangular frame 121, the bottom of the second rectangular frame 121 is fixedly connected to the bottom of the inner wall of the first U-shaped plate 1, the inner wall of the second rectangular frame 121 is fitted with a second annular airbag 122, the inner wall of the second annular airbag 122 is fitted with a second connecting ring 123, the inner wall of the second connecting ring 123 is fixedly connected to the surface of the right mold 7, the left and right sides of the second connecting ring 123 are fitted with second retaining rings 124, the surface of the second retaining ring 124 is fixedly connected to the inner wall of the second rectangular frame 121, the second connecting ring 123 is clamped in the second annular airbag 122 by the second retaining ring 124, and the right mold 7 can move slightly through the second annular airbag 122.

[0036] The driving mechanism 13 includes a motor bracket 131, the right side of the motor bracket 131 is fixedly connected to the right side of the inner wall of the first U-shaped plate 1, the upper surface of the motor bracket 131 is fixedly connected to a driving motor 132, the output end of the driving motor 132 is fixedly connected to a rotating shaft 133, the surface of the rotating shaft 133 is fixedly connected to a disk 134, the upper surface of the disk 134 is fixedly connected to a first protrusion 135, the upper surface of the first protrusion 135 contacts the inner wall of the cylinder 14, when the driving motor 132 is turned on, the first protrusion 135 is driven by the driving motor 132 to rotate around the rotating shaft 133, and through the cooperation of the cylinder 14, the second protrusion 15 and the first protrusion 135, the right mold 7 is caused to shake.

[0037] Example 2: Reference Figure 1-10 A vertical plate 18 is fixedly connected to the front of the second rectangular frame 121, and a circular hole 19 is opened inside the vertical plate 18. A rubber sleeve 20 is bonded to the inner wall of the circular hole 19. A sliding column 21 is fitted on the inner wall of the rubber sleeve 20 and the front of the right mold 7. The rubber sleeve 20 makes the sliding column 21 encounter greater resistance when sliding, so that the sliding column 21 will not move due to vibration. A marking plate 22 is fixedly connected to the front of the sliding column 21, and a transparent scale 23 is fitted on the upper surface of the marking plate 22. The back of the transparent scale 23 is fixedly connected to the front of the second rectangular frame 121. When the sliding column 21 is in close contact with the right mold 7, the distance between the vertical plate 18 and the marking plate 22 is changed by the shaking of the right mold 7, and the cooperation of the transparent scale 23 and the marking plate 22 allows the user to intuitively judge the shaking amplitude of the right mold 7.

[0038] Example 3: Reference Figure 1-5A second sliding hole 24 is opened inside the right mold 7, and a support column 25 is fitted on the inner wall of the second sliding hole 24 and the right side of the left mold 4. The support column 25 is located below the forming cavity 8, and a spring 26 is fixedly connected to the right side of the support column 25. A fixed bracket 27 is fixedly connected to the right side of the spring 26 and the right side of the right mold 7. When the left mold 4 is separated from the right mold 7, the spring 26 pushes the support column 25, so that the left end of the support column 25 is exposed from the second sliding hole 24, and the support column 25 catches the aviation precision parts falling from the forming cavity 8, thereby preventing the aviation precision parts from being damaged due to falling onto the first U-shaped plate 1 after being shaken out of the forming cavity 8.

[0039] In the present invention, when the user uses the casting device, the left mold 4 and the right mold 7 are first combined together by the first hydraulic push rod 2, and the left mold 4 and the right mold 7 can move synchronously through the cooperation of the conical positioning block 16 and the positioning groove 17, and then the metal powder is allowed to enter the forming cavity 8 through the feeding funnel 11, and the first protrusion 135 is rotated around the rotating shaft 133 by turning on the driving motor 132. At this time, the right mold 7 is shaken by the cooperation of the first protrusion 135, the second protrusion 15, the cylinder 14 and the second elastic bracket 12, and the left mold 4 can shake along with the right mold 7 through the cooperation of the first elastic bracket 3, the conical positioning block 16 and the positioning groove 17, and then the metal powder in the forming cavity 8 is more compacted by the shaking. When the metal powder is injected, the driving motor is turned off. 132. After the right mold 7 stops vibrating, the second hydraulic push rod 62 is used to enable the forming head 63 to extrude the metal powder in the forming cavity 8. After the metal powder is formed, the forming head 63 is returned to the initial position by the second hydraulic push rod 62, and the left mold 4 is returned to the initial position by the first hydraulic push rod 2. Then, the left end of the support column 25 is exposed from the second slide hole 24 by the thrust of the spring 26 on the support column 25. At the same time, by turning on the drive motor 132, the first protrusion 135 is rotated around the rotating shaft 133, and the first protrusion 135, the second protrusion 15, the cylinder 14 and the second elastic bracket 12 cooperate to make the right mold 7 shake. At this time, the formed aviation precision parts are shaken out of the forming cavity 8 by shaking, and the aviation precision parts falling from the forming cavity 8 are caught by the support column 25.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A novel casting device for aviation precision parts, comprising a first U-shaped plate (1), characterized in that: The upper surface of the first U-shaped plate (1) is fixedly connected to a first hydraulic push rod (2); the telescopic end of the first hydraulic push rod (2) is fixedly connected to a first elastic bracket (3); the inner wall of the first elastic bracket (3) is fixedly connected to a left mold (4); the inner wall of the left mold (4) is provided with a first sliding hole (5); the left side of the left mold (4) is fixedly connected to an extrusion mechanism (6); the surface of the extrusion mechanism (6) is in contact with the inner wall of the first sliding hole (5); the right side of the left mold (4) is fitted with a right mold (7); A forming cavity (8) is provided on the left side of the right mold (7), a first feed trough (9) is provided on the left side of the right mold (7), a second feed trough (10) is provided on the right side of the left mold (4), a feed funnel (11) is provided on the inner wall of the second feed trough (10), the surface of the feed funnel (11) is fixedly connected to the inner wall of the first feed trough (9), a second elastic bracket (12) is fixedly connected to the surface of the right mold (7) and the bottom of the inner wall of the first U-shaped plate (1), and the inner wall of the first U-shaped plate (1) is provided with a second elastic bracket (12). The right side is fixedly connected to a driving mechanism (13); the right side of the right mold (7) is fixedly connected to a cylinder (14); the inner wall of the cylinder (14) contacts the upper surface of the driving mechanism (13); the inner wall of the cylinder (14) is fixedly connected to a second protrusion (15); the right side of the left mold (4) is fixedly connected to a conical positioning block (16); the left side of the right mold (7) is provided with a positioning groove (17); the inner wall of the positioning groove (17) contacts the surface of the conical positioning block (16); the driving mechanism (13) comprises an electric A motor support (131), the right side of the motor support (131) is fixedly connected to the right side of the inner wall of the first U-shaped plate (1), the upper surface of the motor support (131) is fixedly connected to a driving motor (132), the output end of the driving motor (132) is fixedly connected to a rotating shaft (133), the surface of the rotating shaft (133) is fixedly connected to a disk (134), the upper surface of the disk (134) is fixedly connected to a first protrusion (135), and the upper surface of the first protrusion (135) contacts the inner wall of the cylinder (14).

2. A new casting device for aviation precision parts according to claim 1, characterized in that: The first feed trough (9) is in communication with the forming cavity (8), and the second feed trough (10) is in communication with the first slide hole (5).

3. A new casting device for aviation precision parts according to claim 1, characterized in that: The first elastic bracket (3) comprises a first rectangular frame (31), the left side of the first rectangular frame (31) is fixedly connected to the telescopic end of the first hydraulic push rod (2), the inner wall of the first rectangular frame (31) is bonded with a first annular airbag (32), the inner wall of the first annular airbag (32) is fitted with a first connecting ring (33), the inner wall of the first connecting ring (33) is fixedly connected to the surface of the left mold (4), the left and right sides of the first connecting ring (33) are fitted with first retaining rings (34), the surface of the first retaining ring (34) is fixedly connected to the inner wall of the first rectangular frame (31).

4. A new casting device for aviation precision parts according to claim 1, characterized in that: The extrusion mechanism (6) comprises a second U-shaped plate (61), the right side of the second U-shaped plate (61) being fixedly connected to the left side of the left mold (4), the left side of the inner wall of the second U-shaped plate (61) being fixedly connected to a second hydraulic push rod (62), the telescopic end of the second hydraulic push rod (62) being fixedly connected to a forming head (63), the surface of the forming head (63) being in contact with the inner wall of the first sliding hole (5).

5. A new casting device for aviation precision parts according to claim 1, characterized in that: The second elastic bracket (12) comprises a second rectangular frame (121), the bottom of the second rectangular frame (121) being fixedly connected to the bottom of the inner wall of the first U-shaped plate (1), the inner wall of the second rectangular frame (121) being fitted with a second annular airbag (122), the inner wall of the second annular airbag (122) being fitted with a second connecting ring (123), the inner wall of the second connecting ring (123) being fixedly connected to the surface of the right mold (7), the left and right sides of the second connecting ring (123) being fitted with second retaining rings (124), the surface of the second retaining ring (124) being fixedly connected to the inner wall of the second rectangular frame (121).

6. A new casting device for aviation precision parts according to claim 5, characterized in that: The front side of the second rectangular frame (121) is fixedly connected to a vertical plate (18), a circular hole (19) is formed inside the vertical plate (18), a rubber sleeve (20) is bonded to the inner wall of the circular hole (19), a sliding column (21) is fitted on the inner wall of the rubber sleeve (20) and the front side of the right mold (7), a marking plate (22) is fixedly connected to the front side of the sliding column (21), a transparent scale (23) is fitted on the upper surface of the marking plate (22), and the back side of the transparent scale (23) is fixedly connected to the front side of the second rectangular frame (121).

7. A new casting device for aviation precision parts according to claim 1, characterized in that: A second sliding hole (24) is provided inside the right mold (7), and a support column (25) is provided in close contact with the inner wall of the second sliding hole (24) and the right side of the left mold (4). A spring (26) is fixedly connected to the right side of the support column (25), and a fixed bracket (27) is fixedly connected to the right side of the spring (26) and the right side of the right mold (7).

8. A new casting device for aviation precision parts according to claim 7, characterized in that: The support column (25) is located below the forming cavity (8).

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