Aviation aluminum alloy pipe type casting polishing device

Abstract

The utility model discloses an aviation aluminum alloy pipe type casting polishing device which comprises a base, two sets of supporting seats are arranged on the base, two sets of first electric push rods are symmetrically arranged on the two sets of supporting seats through supporting grooves, supporting roller sets are arranged at the output ends of the first electric push rods, and a second electric push rod is arranged above the base through a mounting frame. A driving roller set is arranged at the bottom end of the second electric push rod, an external grinding block is arranged on one side of the middle of the supporting base and the driving roller set, a movable driving structure is arranged in cooperation with the external grinding block, and a mounting base is arranged on one side of the base through a third electric push rod. A first motor, a fourth electric push rod and an internal grinding roller which are sequentially connected are arranged on the mounting base, flexible supporting and rotating driving of the aviation aluminum alloy pipe type casting during grinding can be achieved, meanwhile, synchronous grinding of the interior and the outer wall of the aviation aluminum alloy pipe type casting can be achieved synchronously, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy pipe grinding, and more specifically, to an aviation aluminum alloy pipe casting grinding device. Background Art

[0002] Casting aluminum alloy is an aluminum alloy that is made by filling the mold with molten metal to obtain various shapes of parts. It has the advantages of low density, high specific strength, good corrosion resistance and casting processability, and little restriction on part structure design. It is used to manufacture beams, gas turbine blades, pump bodies, pylons, hubs, intake lips and engine casings, etc., and is widely used in the aviation field;

[0003] Aviation aluminum alloy tubular castings require trimming, drilling and other operations during the processing process. During these operations, burrs will be generated, so aviation aluminum alloy tubular castings need to be polished;

[0004] In the prior art, when grinding aviation aluminum alloy tubular castings, the main method is to fix one end and grind through the other end. In this case, it is easy to cause grinding dead angles;

[0005] Moreover, the above method is not convenient for simultaneously grinding the inner wall and the outer wall of the aviation aluminum alloy tubular casting, and the clamping end needs to be replaced, resulting in low grinding efficiency of the aviation aluminum alloy tubular casting. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the problems existing in the prior art, the utility model provides an aviation aluminum alloy tubular casting grinding device to solve the technical problems mentioned in the background technology that the prior art is prone to grinding dead corners and has low grinding efficiency.

[0008] (II) Technical solution

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] A device for polishing aviation aluminum alloy tubular castings, comprising a base, wherein two groups of support seats are provided on the base, and support grooves are provided on both groups of support seats, and two groups of first electric push rods are symmetrically provided in the support grooves, and a support roller group is provided at the output end of the first electric push rod, a mounting frame is provided above the base, a second electric push rod is provided at the top of the mounting frame, and a driving roller group is provided at the bottom end of the second electric push rod, an external polishing block is provided on one side between the support seat and the driving roller group, and a mobile driving structure is provided in conjunction with the external polishing block, a third electric push rod is provided on one side of the base, a mounting seat is provided at the top of the third electric push rod, a first motor is provided on the mounting seat, a fourth electric push rod is provided at the output end of the first motor, and an internal polishing roller is provided at the output end of the fourth electric push rod.

[0011] The utility model is further configured such that the support roller group includes a support frame arranged at the output end of the first electric push rod, and a support roller is rotatably mounted on the support frame through a bearing, and stable support of the aviation aluminum alloy tubular casting is achieved through the matching of the support frame and the support roller.

[0012] The utility model is further configured such that the driving roller group includes a connecting frame arranged at the output end of the second electric push rod, on which a driving roller is rotatably mounted via a bearing, and a second motor is provided for transmission connection with the driving roller, and the rotational drive of the aviation aluminum alloy tubular casting can be realized through the cooperation of the second motor, the connecting frame and the driving roller.

[0013] The utility model is further configured such that the mobile driving structure includes a ball screw horizontally arranged on a mounting frame, and a third motor is arranged for transmission connection with the ball screw, a screw nut is cooperatively arranged on the ball screw, and a telescopic adjustment structure is arranged between the external grinding block and the screw nut, and flexible movement of the external grinding block can be achieved through the cooperation of the third motor, the ball screw and the screw nut.

[0014] The utility model is further configured such that the telescopic adjustment structure includes a fifth electric push rod arranged between the screw nut and the external grinding block, and a limited telescopic rod is arranged in conjunction with the fifth electric push rod. The stable telescopic movement of the external grinding block can be achieved through the cooperation of the fifth electric push rod and the limited telescopic rod.

[0015] The utility model is further configured such that a slider is provided at the bottom end of the support seat and the bottom end of the third electric push rod, a sliding groove is provided on the base to cooperate with the slider, the slider slides in the sliding groove, and a movable adjustment structure is provided on the base to cooperate with the slider, and the sliding installation of the support seat and the third electric push rod on the base is realized through the cooperation of the slider and the sliding groove.

[0016] The utility model is further configured such that the movable adjustment structure includes a bidirectional screw rotatably installed in a slide groove through a bearing, and a fourth motor is provided for transmission connection with the bidirectional screw, the slider is threadedly sleeved on the bidirectional screw, and the sliders corresponding to the support seat are respectively installed on both sides of the bidirectional screw, and the movement drive of the slider in the slide groove can be realized through the cooperation of the fourth motor and the bidirectional screw.

[0017] The utility model is further configured that the surface of the driving roller is covered with an anti-skid pad cover to improve the anti-skid property of the surface of the driving roller.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides an aviation aluminum alloy tubular casting grinding device, which has the following beneficial effects:

[0020] 1. The utility model provides a supporting roller group and a driving roller group that cooperate with each other. Through the cooperation of the two supporting roller groups and the upper driving roller group, the aviation aluminum alloy tubular casting to be polished can be stably supported during polishing and the aviation aluminum alloy tubular casting can be stably driven to rotate, thereby facilitating the rotation drive during internal and external polishing of the aviation aluminum alloy tubular casting.

[0021] 2. The utility model is provided with an external grinding block on one side in the middle of the support seat and the driving roller group, and a movable driving structure is provided in conjunction with the external grinding block. The movable driving structure can control the grinding block to move outside the aviation aluminum alloy tube casting, thereby realizing the grinding operation of the outer surface of the aviation aluminum alloy tube casting.

[0022] 3. The utility model is provided with a third electric push rod on one side of the seat, a mounting seat is provided at the top end of the third electric push rod, a first motor is provided on the mounting seat, a fourth electric push rod is provided at the output end of the first motor, and an internal grinding roller is provided at the output end of the fourth electric push rod, so that the internal grinding roller can extend into the interior of the aviation aluminum alloy tubular casting to achieve the grinding of the interior of the aviation aluminum alloy tubular casting;

[0023] Among them, the setting of the third electric push rod can control the lifting of the mounting seat, and the lifting of the mounting seat can drive the lifting of the fourth electric push rod, and the lifting of the fourth electric push rod can control the lifting and adjustment of the internal grinding roller, so that the internal grinding roller and the inner wall of the aviation aluminum alloy tube casting fit together for grinding, or keep away from each other, so as to facilitate the removal of the aviation aluminum alloy tube casting;

[0024] Synchronously, the movement of the internal grinding roller inside the aviation aluminum alloy tubular casting can be controlled by controlling the extension and retraction of the fourth electric push rod, thereby achieving grinding at different internal positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The overall structure of the grinding device for aviation aluminum alloy tube castings in the utility model is shown in FIG. Figure 1 ;

[0026] Figure 2 The overall structure of the grinding device for aviation aluminum alloy tube castings in the utility model is shown in FIG. Figure 2 ;

[0027] Figure 3 It is a schematic side view of the overall structure of an aviation aluminum alloy tubular casting grinding device in the utility model;

[0028] Figure 4 It is a schematic cross-sectional view of the overall structure of the utility model;

[0029] Figure 5 It is a schematic diagram of the connection structure between the lead screw nut and the external grinding block in the utility model.

[0030] In the figure: 1. base; 2. support seat; 3. support groove; 4. first electric push rod; 5. support roller group; 6. mounting frame; 7. second electric push rod; 8. drive roller group; 9. external grinding block; 10. third electric push rod; 11. mounting seat; 12. first motor; 13. fourth electric push rod; 14. internal grinding roller; 15. support frame; 16. support roller; 17. connecting frame; 18. drive roller; 19. second motor; 20. ball screw; 21. third motor; 22. screw nut; 23. fifth electric push rod; 24. telescopic rod with limit position; 25. slider; 26. slide groove; 27. bidirectional screw; 28. fourth motor; 29. ​​anti-skid pad cover. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0033] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0034] See also Figure 1-5A device for grinding aviation aluminum alloy tubular castings comprises a base 1, two groups of support seats 2 are arranged on the base 1, support grooves 3 are provided on the two groups of support seats 2, two groups of first electric push rods 4 are symmetrically arranged in the support grooves 3, a support roller group 5 is provided at the output end of the first electric push rod 4, a mounting frame 6 is arranged above the base 1, a second electric push rod 7 is arranged at the top of the mounting frame 6, a driving roller group 8 is arranged at the bottom end of the second electric push rod 7, an external grinding block 9 is arranged on one side between the support seat 2 and the driving roller group 8, and a mobile driving structure is provided for the external grinding block 9, a third electric push rod 10 is arranged on one side of the base 1, a mounting seat 11 is arranged at the top of the third electric push rod 10, a first motor 12 is arranged on the mounting seat 11, a fourth electric push rod 13 is arranged at the output end of the first motor 12, and an internal grinding roller 14 is arranged at the output end of the fourth electric push rod 13.

[0035] In this embodiment, the utility model arranges a supporting roller group 5 and a driving roller group 8 that cooperate with each other. Through the cooperation of the two supporting roller groups 5 and the upper driving roller group 8, the aviation aluminum alloy tubular casting to be polished can be stably supported during polishing and the aviation aluminum alloy tubular casting can be stably driven to rotate, thereby facilitating the rotation drive during internal and external polishing of the aviation aluminum alloy tubular casting.

[0036] More specifically, the utility model is provided with an external grinding block 9 on one side between the support seat 2 and the driving roller group 8, and a movable driving structure is provided in conjunction with the external grinding block 9. The movable driving structure can control the grinding block to move outside the aviation aluminum alloy tube casting, thereby realizing the grinding operation of the outer surface of the aviation aluminum alloy tube casting.

[0037] Furthermore, the utility model is provided with a third electric push rod 10 on one side of the seat, a mounting seat 11 is provided at the top end of the third electric push rod 10, a first motor 12 is provided on the mounting seat 11, a fourth electric push rod 13 is provided at the output end of the first motor 12, and an internal grinding roller 14 is provided at the output end of the fourth electric push rod 13, so that the internal grinding roller 14 can be extended into the interior of the aviation aluminum alloy tubular casting to achieve the grinding of the interior of the aviation aluminum alloy tubular casting;

[0038] The third electric push rod 10 can control the lifting of the mounting seat 11, and the lifting of the mounting seat 11 can drive the lifting of the fourth electric push rod 13, and the lifting of the fourth electric push rod 13 can control the lifting and adjustment of the internal grinding roller 14, so that the internal grinding roller 14 and the inner wall of the aviation aluminum alloy tubular casting fit together for grinding, or keep away from each other, so as to facilitate the removal of the aviation aluminum alloy tubular casting;

[0039] Synchronously, the movement of the internal grinding roller 14 inside the aviation aluminum alloy tubular casting can be controlled by controlling the extension and retraction of the fourth electric push rod 13, thereby achieving grinding at different positions inside.

[0040] See also Figure 3 and Figure 4 As an implementation of the support roller group 5: the support roller group 5 includes a support frame 15 arranged at the output end of the first electric push rod 4, and a support roller wheel 16 is rotatably mounted on the support frame 15 through a bearing.

[0041] Specifically, the extension and retraction of the support frame 15 can be controlled by the first motor 12, and the extension and retraction of the support roller can be controlled by the extension and retraction of the support frame 15. Therefore, by controlling the distance between the two sets of support rollers 16, the support position can be flexibly adjusted to provide stable support for aviation aluminum alloy tubular castings of different calibers.

[0042] See also Figure 2 and Figure 3 As an implementation of the driving roller group 8: the driving roller group 8 includes a connecting frame 17 arranged at the output end of the second electric push rod 7, a driving roller 18 is rotatably mounted on the connecting frame 17 through a bearing, and a second motor 19 is arranged to transmit and connect the driving roller 18.

[0043] Specifically, the extension and retraction of the connecting frame 17 can be controlled by controlling the extension and retraction of the second electric push rod 7, and the lifting and lowering of the driving roller 18 can be controlled by the extension and retraction of the connecting frame 17, so that the driving roller 18 fits with the top of the aviation aluminum alloy tubular casting, and the second motor 19 is started. The rotation of the driving roller 18 can be controlled by the second motor 19, and the friction between the driving roller 18 and the aviation aluminum alloy tubular casting drives the aviation aluminum alloy tubular casting to rotate on the support seat 2, so that the external grinding block or the internal grinding roller 14 contacts the corresponding position of the aviation aluminum alloy tubular casting, thereby realizing the grinding of the inner and outer walls of the aviation aluminum alloy tubular casting.

[0044] See also Figure 2 and Figure 4 As an implementation of the mobile driving structure: the mobile driving structure includes a ball screw 20 horizontally arranged on the mounting frame 6, and a third motor 21 is arranged for transmission connection with the ball screw 20, a screw nut 22 is arranged on the ball screw 20, a telescopic adjustment structure is arranged between the external grinding block 9 and the screw nut, the telescopic adjustment structure includes a fifth electric push rod 23 arranged between the screw nut 22 and the external grinding block 9, and a limited telescopic rod 24 is arranged in conjunction with the fifth electric push rod 23.

[0045] Specifically, the third motor 21 is started, and the rotation of the ball screw 20 is controlled by the third motor 21. The movement of the screw nut 22 can be controlled by the ball screw 20. The movement of the screw nut 22 can be controlled by the movement of the fifth electric push rod 23. The movement of the external grinding block 9 can be controlled by the movement of the fifth electric push rod 23, thereby realizing flexible adjustment of the external grinding position of the aviation aluminum alloy tubular casting.

[0046] See also Figure 4 , as an implementation scheme for the bottom end of the support seat 2 and the third electric push rod 10: a slider 25 is provided at the bottom end of the support seat 2 and the bottom end of the third electric push rod 10, a slide groove 26 is provided on the base 1 to cooperate with the slider 25, the slider 25 is slidably located in the slide groove 26, and a movable adjustment structure is provided on the base 1 to cooperate with the slider 25, wherein the movable adjustment structure includes a bidirectional screw 27 rotatably installed in the slide groove 26 through a bearing, and a fourth motor 28 is provided for transmission connection with the bidirectional screw 27, the slider 25 is threadedly sleeved on the bidirectional screw 27, and the sliders 25 corresponding to the support seat 2 are respectively installed on both sides of the bidirectional screw 27.

[0047] Specifically, the fourth motor 28 is started, and the slider 25 can be controlled to move synchronously toward each other in the slide groove 26 through the fourth motor 28, so that the two groups of support seats 2 can move synchronously toward each other, so that the support seat 2 can flexibly adjust the support length of the aviation aluminum alloy tubular casting. During this process, the third electric push rod 10 will drive the mounting seat 11 to move synchronously with the adjacent support seat 2, keeping the distance between the internal grinding roller 14 and the adjacent support seat 2 the same, thereby ensuring the grinding stability of the aviation aluminum alloy tubular casting.

[0048] See also Figure 3 As an implementation of the driving roller 18 , a non-slip pad cover 29 is provided on the surface of the driving roller 18 .

[0049] Specifically, the anti-slip sleeve can be provided to strengthen the friction between the driving roller 18 and the aviation aluminum alloy tubular casting to be polished, so that the aviation aluminum alloy tubular casting can be driven to rotate more stably.

[0050] In summary, when the overall equipment is in use:

[0051] Start the fourth motor 28, through which the slider 25 can be controlled to move synchronously in the slide slot 26, so that the two groups of support seats 2 move synchronously toward each other, and the distance between the two groups of support seats 2 is adjusted to a suitable position. In this process, the third electric push rod 10 will drive the mounting seat 11 to move synchronously with the adjacent support seat 2, and keep the distance between the internal grinding roller 14 and the adjacent support seat 2 the same, so as to ensure the grinding stability of the aviation aluminum alloy tubular casting;

[0052] Afterwards, the fourth motor 28 is notified to operate, and the aviation aluminum alloy tubular casting to be polished is placed on two sets of support seats 2, and supported by corresponding support rollers 16 respectively;

[0053] Afterwards, the second electric push rod 7 is started, and the extension and retraction of the connecting frame 17 can be controlled by controlling the extension and retraction of the second electric push rod 7, and the lifting and lowering of the driving roller 18 can be controlled by the extension and retraction of the connecting frame 17, so that the driving roller 18 fits with the top of the aviation aluminum alloy tube casting;

[0054] The second motor 19 is started, and the rotation of the driving roller 18 can be controlled by the second motor 19, and the aviation aluminum alloy tubular casting is driven to rotate on the supporting roller 16 through the friction between the driving roller 18 and the aviation aluminum alloy tubular casting;

[0055] The fifth electric push rod 23 is started, and the extension and contraction of the external grinding block 9 is controlled by the fifth electric push rod 23, so that the external grinding block 9 contacts the outer surface of the aviation aluminum alloy tubular casting, thereby achieving grinding of the outer surface of the aviation aluminum alloy tubular casting;

[0056] In this process, the third motor 21 is started, the ball screw 20 is controlled to rotate by the third motor 21, the ball screw 20 can control the movement of the screw nut 22, the movement of the screw nut 22 can control the movement of the fifth electric push rod 23, and the movement of the external grinding block 9 can be controlled by the movement of the fifth electric push rod 23, so as to realize the flexible adjustment of the external grinding position of the aviation aluminum alloy tubular casting;

[0057] Synchronously, when the aviation aluminum alloy tubular casting is installed, the internal grinding roller 14 is located inside the aviation aluminum alloy tubular casting, and the lifting and lowering of the third electric push rod 10 can control the lifting and lowering of the mounting seat 11, and the lifting and lowering of the fourth electric push rod 13 can be controlled by the lifting and lowering of the mounting seat 11, so that the internal grinding roller 14 can fit the inner wall of the aviation aluminum alloy tubular casting, thereby achieving the grinding of the inner wall of the aviation aluminum alloy tubular casting;

[0058] In this process, the extension and retraction of the internal grinding roller 14 can be controlled by controlling the extension and retraction of the fourth electric push rod 13, thereby realizing flexible adjustment of the internal grinding position of the aviation aluminum alloy tubular casting.

[0059] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A grinding device for aviation aluminum alloy tubular castings, comprising a base (1), wherein two sets of support seats (2) are arranged on the base (1), and wherein: The two groups of support seats (2) are both provided with support grooves (3), and two groups of first electric push rods (4) are symmetrically arranged in the support grooves (3). The output ends of the first electric push rods (4) are provided with support roller groups (5). A mounting frame (6) is arranged above the base (1), and a second electric push rod (7) is arranged at the top end of the mounting frame (6). A driving roller group (8) is arranged at the bottom end of the second electric push rod (7). An external grinding block (9) is arranged on one side between the support seat (2) and the driving roller group (8), and a moving driving structure is arranged in conjunction with the external grinding block (9). A third electric push rod (10) is arranged on one side of the base (1), and a mounting seat (11) is arranged at the top end of the third electric push rod (10). A first motor (12) is arranged on the mounting seat (11), and a fourth electric push rod (13) is arranged at the output end of the first motor (12), and an internal grinding roller (14) is arranged at the output end of the fourth electric push rod (13).

2. The aerospace aluminum alloy tubular casting grinding device according to claim 1 is characterized in that: The support roller group (5) comprises a support frame (15) arranged at the output end of the first electric push rod (4), and a support roller wheel (16) is rotatably mounted on the support frame (15) via a bearing.

3. The grinding device for aviation aluminum alloy tubular casting according to claim 2 is characterized in that: The driving roller group (8) comprises a connecting frame (17) arranged at the output end of the second electric push rod (7), a driving roller (18) is rotatably mounted on the connecting frame (17) via a bearing, and a second motor (19) is arranged in transmission connection with the driving roller (18).

4. The aviation aluminum alloy tubular casting grinding device according to claim 1 is characterized in that: The mobile driving structure comprises a ball screw (20) horizontally arranged on a mounting frame (6), and a third motor (21) is arranged in transmission connection with the ball screw (20), a screw nut (22) is arranged on the ball screw (20), and a telescopic adjustment structure is arranged between the external grinding block (9) and the screw nut.

5. The aviation aluminum alloy tubular casting grinding device according to claim 4 is characterized in that: The telescopic adjustment structure comprises a fifth electric push rod (23) arranged between the lead screw nut (22) and the external grinding block (9), and a limited telescopic rod (24) is arranged in conjunction with the fifth electric push rod (23).

6. A grinding device for aviation aluminum alloy tubular castings according to any one of claims 1 to 5, characterized in that: The bottom end of the support seat (2) and the bottom end of the third electric push rod (10) are both provided with a slider (25), and a slide groove (26) is provided on the base (1) to cooperate with the slider (25), the slider (25) slides in the slide groove (26), and a movable adjustment structure is provided on the base (1) to cooperate with the slider (25).

7. The aviation aluminum alloy tubular casting grinding device according to claim 6 is characterized by: The movable adjustment structure comprises a bidirectional screw (27) rotatably mounted in a slide groove (26) via a bearing, and a fourth motor (28) is provided in transmission connection with the bidirectional screw (27); the slider (25) is threadedly sleeved on the bidirectional screw (27), and the sliders (25) corresponding to the support seat (2) are respectively mounted on both sides of the bidirectional screw (27).

8. The aviation aluminum alloy tubular casting grinding device according to claim 3 is characterized by: The surface of the driving roller (18) is covered with an anti-skid pad cover (29).

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