Accurate grinding device for aviation pipe fittings

Abstract

The utility model discloses an aviation pipe fitting accurate grinding device, which belongs to the technical field of pipe fitting grinding and comprises a base plate and two support plates. The positioning plate is arranged between the two supporting plates, a positioning disc is arranged at the bottom end of the positioning plate, and a mounting plate is arranged on one side of the bottom end of the positioning disc; the two fixing plates are arranged on the two sides of the bottom end of the mounting plate correspondingly, and grinding pieces are arranged on the opposite sides of the two fixing plates correspondingly; according to the aviation pipe fitting fine grinding device, the outer surfaces and the inner walls of aviation pipe fittings of different sizes can be conveniently ground through the grinding pieces which are arranged on the two sides of the bottom end of the mounting plate in the opposite directions and matched with the threaded rod in the positioning disc, time and manpower for replacing other equipment are saved, and the aviation pipe fitting machining practicability of the fine grinding device is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe grinding, and in particular relates to an aviation pipe fine grinding device. Background Art

[0002] Aviation pipe fittings are seamless steel pipes used in the manufacture of aircraft and other aviation and aerospace equipment. Aviation pipes include high-pressure pipes, smoke oil pipes, speed measuring pipes, etc. Aviation pipe fittings have the characteristics of high quality, long life, precise size, high strength and stable weight, and play an important role in the manufacture of key aviation components. When manufacturing aviation pipes, it is necessary to use fine grinding equipment to grind the burrs or flash produced by its processing to improve its surface quality and precision.

[0003] Chinese patent announcement number CN213004496U discloses a grinding device for pipe fittings, which relates to pipe fitting processing, including a base, a motor is installed on one side of the base, the output end of the motor penetrates the base and extends to the inside of the base and is connected to a screw, the outer side of the screw is sleeved with a moving seat, the top of the moving seat is provided with a grinding groove, and the top of the base is provided with multiple groups of support rods, and the outer side and sleeve of each group of support rods are sleeved with a collar. The utility model is provided with a grinding groove, a grinding sheet, an active rubber roller and a driven rubber roller, the output end of the motor drives the active rubber roller to rotate, the active rubber roller drives the outer pipe to rotate, the driven rubber roller fixes and limits the pipe to prevent the pipe from shifting during grinding, and then the motor is started, the output end of the motor drives the screw to rotate, the screw pushes the upper moving seat to move, thereby driving the grinding groove to slide under the pipe, and the support frames provided on both sides of the grinding groove are slidably connected to the bottom of the grinding groove.

[0004] In actual use, the utility model usually uses a grinding disc to fine-grind aviation pipe fittings, while the existing fine-grinding device can usually only grind the surface. When the inner wall needs to be polished, other equipment needs to be replaced, which will consume a certain amount of time and manpower, making the fine-grinding device lacking in practicality for aviation pipe processing. Utility Model Content

[0005] The utility model provides an aviation pipe finishing device in order to solve the problem that the prior art finishing device is insufficient in practicability in processing aviation pipes.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an aviation pipe fine grinding device, comprising:

[0007] a base plate and two support plates;

[0008] A positioning plate is arranged between two supporting plates, a positioning plate is arranged at the bottom end of the positioning plate, and a mounting plate is arranged at one side of the bottom end of the positioning plate;

[0009] Two fixing plates are respectively arranged on both sides of the bottom end of the mounting plate, and grinding sheets are arranged on opposite sides of the two fixing plates;

[0010] The support frame is arranged at the upper end of the base plate. A "cross"-shaped installation groove is opened in the support frame. A matching installation rod is arranged in the installation groove. A plurality of clamping plates are sleeved on the outer side of the installation rod. The upper ends of the plurality of clamping plates all pass through the installation groove and extend to the outside.

[0011] As a preferred embodiment, both ends of the positioning plate are provided with a clamping plate, the two clamping plates respectively penetrate the two support plates and are slidably connected with the support plates, and first cylinders are provided on both sides of the upper end of the base plate, and the output ends of the two first cylinders are respectively arranged at the bottom ends of the two clamping plates.

[0012] In order to be able to perform precision grinding on aviation pipes of different sizes, a rectangular groove is further provided on one side of the positioning plate, a threaded rod is rotatably connected in the rectangular groove, the upper end of the mounting plate extends into the rectangular groove and is penetrated by a threaded hole adapted for the threaded rod, the threaded rod penetrates the threaded hole and is threadedly connected to the side wall of the threaded hole.

[0013] As a preferred implementation, a driving motor is provided at the upper end of the positioning plate, and an output end of the driving motor passes through the positioning plate and is provided at the upper end of the positioning disk.

[0014] As a preferred embodiment, multiple guide rods are provided on the opposite side of the two grinding plates, one end of the multiple guide rods respectively passes through the two fixed plates and are each provided with a limit ring, and a limit spring is sleeved on the outer side of the multiple guide rods, and the two ends of the limit spring are respectively arranged on one side of the fixed plate and the limit ring.

[0015] In order to conveniently fix the position of the aviation pipe, a second cylinder is further provided at the upper end of the base plate located in the support frame, and the bottom ends of the plurality of clamping plates are extended to the outside and are rotatably connected to connecting rods, and the other ends of the plurality of connecting rods are rotatably connected to the output end of the second cylinder.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model can conveniently grind the outer surface and inner wall of aviation pipe fittings of different sizes by setting grinding sheets in opposite directions on both sides of the bottom of the mounting plate in cooperation with the threaded rod in the positioning plate, thus saving the time and manpower for replacing other equipment, and making the fine grinding device more practical for processing aviation pipe fittings;

[0018] 2. The utility model, through the connecting rod arranged at the bottom ends of the plurality of clamping plates and the second cylinder at the upper end of the base plate, can drive the plurality of clamping plates to move relative to each other at the same time by starting the second cylinder, thereby variably and conveniently fixing the aviation pipe fittings, making the precision grinding device more convenient for processing the aviation pipe fittings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main appearance of the structure of the utility model;

[0020] Figure 2 It is a partial appearance schematic diagram of the structure of the utility model;

[0021] Figure 3 It is a partial cross-sectional schematic diagram of the structure of the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of the support frame of the utility model structure.

[0023] In the figure: 1. base plate; 2. support plate; 3. positioning plate; 4. positioning plate; 5. mounting plate; 6. fixing plate; 7. grinding disc; 8. support frame; 9. mounting rod; 10. clamping plate; 11. snap-on plate; 12. first cylinder; 13. threaded rod; 14. drive motor; 15. guide rod; 16. limit ring; 17. limit spring; 18. second cylinder; 19. connecting rod. DETAILED DESCRIPTION

[0024] 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 of the embodiments.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The utility model provides an aviation pipe fine grinding device, comprising:

[0027] A base plate 1 and two support plates 2;

[0028] A positioning plate 3 is arranged between the two supporting plates 2, a positioning plate 4 is arranged at the bottom end of the positioning plate 3, and a mounting plate 5 is arranged at one side of the bottom end of the positioning plate 4;

[0029] Two fixing plates 6 are respectively arranged at two sides of the bottom end of the mounting plate 5, and grinding sheets 7 are arranged on opposite sides of the two fixing plates 6;

[0030] The support frame 8 is arranged at the upper end of the base plate 1. A "cross"-shaped installation groove is opened in the support frame 8. A matching installation rod 9 is arranged in the installation groove. A plurality of clamping plates 10 are sleeved on the outer side of the installation rod 9. The upper ends of the plurality of clamping plates 10 all pass through the installation groove and extend to the outside.

[0031] Specifically, Figure 1 and Figure 2 As shown, both ends of the positioning plate 3 are provided with a clamping plate 11, and the two clamping plates 11 respectively penetrate the two supporting plates 2 and are slidably connected with the supporting plates 2. The two clamping plates 11 can limit the up and down movement of the positioning plate 3. Both sides of the upper end of the base plate 1 are provided with a first cylinder 12. The first cylinder 12 is the existing technology and will not be described here. The output ends of the two first cylinders 12 are respectively arranged at the bottom ends of the two clamping plates 11, and the two first cylinders 12 can drive the grinding plate 7 to move up and down.

[0032] Specifically, Figure 3 As shown, a rectangular groove is opened on one side of the positioning plate 4, and a threaded rod 13 is rotatably connected in the rectangular groove. The upper end of the mounting plate 5 extends into the rectangular groove and is penetrated by a threaded hole adapted to the threaded rod 13. The threaded rod 13 penetrates the threaded hole and is threadedly connected to the side wall of the threaded hole.

[0033] Through its design, the threaded rod 13 is rotated to drive the mounting plate 5 and the two grinding discs 7 to move, so that the outer surface and inner wall of aviation pipes of different sizes and specifications can be finely ground.

[0034] Specifically, Figure 1 and Figure 2 As shown, a driving motor 14 is provided at the upper end of the positioning plate 3. The driving motor 14 is a prior art and will not be described in detail here. The output end of the driving motor 14 passes through the positioning plate 3 and is provided at the upper end of the positioning disk 4. The driving motor 14 can drive the positioning disk 4 and the two grinding discs 7 to rotate, thereby achieving a grinding effect.

[0035] Specifically, Figure 2 and Figure 3 As shown, a plurality of guide rods 15 are provided on the opposite side of the two grinding sheets 7, one end of the plurality of guide rods 15 respectively passes through the two fixed plates 6, and a limiting ring 16 is provided. The plurality of guide rods 15 can respectively limit the positions of the two grinding sheets 7, and a limiting spring 17 is sleeved on the outer side of the plurality of guide rods 15, and the two ends of the limiting spring 17 are respectively arranged on one side of the fixed plate 6 and the limiting ring 16. The limiting spring 17 can enable the two grinding sheets 7 to always be against the inner and outer walls of the aviation pipe fittings.

[0036] See also Figure 1-4When fine grinding the aviation pipe fittings, firstly, the aviation pipe fittings need to be placed on the support frame 8, and then the second cylinder 18 is started. The output end of the second cylinder 18 will drive the multiple connecting rods 19 to rotate, and the multiple connecting rods 19 will respectively drive the multiple clamping plates 10 to move relatively, so that the aviation pipe fittings can be conveniently fixed, and then the threaded rod 13 is rotated, and the threaded rod 13 will drive the mounting plate 5 to move, and the mounting plate 5 will drive the two fixing plates 6 and the two grinding discs 7 at the bottom to move. When fine grinding the aviation pipe fittings, the two first cylinders 12 need to be started, and the two first cylinders 12 will drive the positioning plate 3 and the positioning plate 4 to move downward, and the positioning plate 4 will drive the two grinding discs 7 to rest against the inner and outer walls of the aviation pipe fittings, and then by starting the driving motor 14, the output end of the driving motor 14 will drive the positioning plate 4 to rotate, thereby driving the two grinding discs 7 to rotate, and the inner and outer walls of the aviation pipe fittings are finely ground at the same time, so that the fine grinding device is more practical for processing aviation pipe fittings.

[0037] Embodiment 2:

[0038] See also Figure 1-4 The utility model provides an aviation pipe fine grinding device, comprising:

[0039] A base plate 1 and two support plates 2;

[0040] A positioning plate 3 is arranged between the two supporting plates 2, a positioning plate 4 is arranged at the bottom end of the positioning plate 3, and a mounting plate 5 is arranged at one side of the bottom end of the positioning plate 4;

[0041] Two fixing plates 6 are respectively arranged at two sides of the bottom end of the mounting plate 5, and grinding sheets 7 are arranged on opposite sides of the two fixing plates 6;

[0042] The support frame 8 is arranged at the upper end of the base plate 1. A "cross"-shaped installation groove is opened in the support frame 8. A matching installation rod 9 is arranged in the installation groove. A plurality of clamping plates 10 are sleeved on the outer side of the installation rod 9. The upper ends of the plurality of clamping plates 10 all pass through the installation groove and extend to the outside.

[0043] Specifically, Figure 1 and Figure 4 As shown, a second cylinder 18 is provided at the upper end of the base plate 1 located in the support frame 8. The second cylinder 18 is a prior art and will not be described in detail here. The bottom ends of the multiple clamping plates 10 are extended to the outside and are rotatably connected to the connecting rods 19. The other ends of the multiple connecting rods 19 are rotatably connected to the output end of the second cylinder 18.

[0044] Through its design, by setting a plurality of connecting rods 19 on the output end of the second cylinder 18, the second cylinder 18 can simultaneously drive a plurality of clamping plates 10 to move relative to each other through the plurality of connecting rods 19, so that the aviation pipe fittings can be conveniently fixed or disassembled.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aviation pipe finishing device, characterized in that: include: A base plate (1) and two support plates (2); A positioning plate (3) is arranged between the two supporting plates (2), a positioning plate (4) is arranged at the bottom end of the positioning plate (3), and a mounting plate (5) is arranged at one side of the bottom end of the positioning plate (4); Two fixing plates (6) are respectively arranged on both sides of the bottom end of the mounting plate (5), and grinding plates (7) are arranged on opposite sides of the two fixing plates (6); A support frame (8) is arranged at the upper end of the base plate (1), and a "cross"-shaped installation groove is provided in the support frame (8). A matching installation rod (9) is provided in the installation groove, and a plurality of clamping plates (10) are sleeved on the outer side of the installation rod (9). The upper ends of the plurality of clamping plates (10) all pass through the installation groove and extend to the outside.

2. The aviation pipe finishing device according to claim 1, characterized in that: Both ends of the positioning plate (3) are provided with a clamping plate (11), and the two clamping plates (11) respectively penetrate the two support plates (2) and are slidably connected to the support plates (2). Both sides of the upper end of the base plate (1) are provided with a first cylinder (12), and the output ends of the two first cylinders (12) are respectively arranged at the bottom ends of the two clamping plates (11).

3. The aviation pipe finishing device according to claim 1, characterized in that: A rectangular groove is formed on one side of the positioning plate (4), a threaded rod (13) is rotatably connected in the rectangular groove, the upper end of the mounting plate (5) extends into the rectangular groove and is penetrated by a threaded hole matched with the threaded rod (13), the threaded rod (13) penetrates the threaded hole and is threadedly connected to the side wall of the threaded hole.

4. The aviation pipe finishing device according to claim 1, characterized in that: A driving motor (14) is provided at the upper end of the positioning plate (3); an output end of the driving motor (14) passes through the positioning plate (3) and is arranged at the upper end of the positioning disk (4).

5. The aviation pipe finishing device according to claim 1, characterized in that: A plurality of guide rods (15) are provided on opposite sides of the two grinding plates (7), one end of each of the plurality of guide rods (15) respectively passes through the two fixed plates (6) and each of them is provided with a limiting ring (16), and a limiting spring (17) is sleeved on the outer side of each of the plurality of guide rods (15), and two ends of the limiting spring (17) are respectively arranged on one side of the fixed plate (6) and the limiting ring (16).

6. The aviation pipe finishing device according to claim 1, characterized in that: A second cylinder (18) is provided at the upper end of the base plate (1) located in the support frame (8), and the bottom ends of the plurality of clamping plates (10) are all extended to the outside and are rotatably connected to a connecting rod (19), and the other ends of the plurality of connecting rods (19) are all rotatably connected to the output end of the second cylinder (18).

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