Aviation light guide plate machining clamp

Abstract

The utility model discloses an aviation light guide plate processing clamp, which belongs to the technical field of aviation and comprises a support, and a rotary clamping component is mounted on the right side of the upper end of the support. The rotating clamping assembly comprises a rotating assembly, a driving assembly and a clamping assembly, and a positioning assembly is installed on the left side of the upper end of the support. By means of the mode, the pointing direction of the arrow-shaped groove in the circular light guide plate can be adjusted to the set direction, screw holes in the circular light guide plate can be accurately machined, and the situation that the arrow-shaped groove in the circular light guide plate cannot be installed on a lamp holder when pointing to the set direction due to the fact that the machining position of the screw holes deviates is prevented; a circular light guide plate and a rectangular light guide plate can be clamped, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation, in particular to a processing fixture for an aviation light guide plate. Background Art

[0002] An aviation ground guiding indicator lamp consists of a lamp base and an aviation light guide plate with an arrow-shaped groove. The aviation light guide plate is installed on the top of the lamp base. Due to wiring reasons, the lamp base will be installed in the standard position, and the arrow-shaped groove on the aviation light guide plate must also point in the set direction, so that the aviation light guide plate and the lamp base must be installed in the standard position. Therefore, when processing the screw holes on the aviation light guide plate, it is necessary to adjust the arrow-shaped groove on the aviation light guide plate to the set position and then process the screw holes thereon.

[0003] Chinese Patent CN211053134U discloses a numerical control processing fixture for the inner frame of an aviation light guide plate, which includes a machine base. A fixed seat is fixedly connected to the upper side wall of the machine base, and a first clamping strip is fixedly connected to the upper side wall of the fixed seat. A moving column is arranged on the machine base, and a second clamping strip corresponding to the position of the first clamping strip is fixedly connected to the upper side wall of the moving column. The first clamping strip and the second clamping strip are symmetrically arranged, and placing grooves are arranged on the opposite side walls of the first clamping strip and the second clamping strip. Rubber pads are fixedly connected to the inner walls of the placing grooves. By setting the first clamping strip on the fixed seat, the second clamping strip on the moving column, as well as the placing grooves and the rubber pads.

[0004] However, this patent can only clamp the light guide plate of the frame type, with low applicability.

[0005] Based on this, the utility model designs a processing fixture for an aviation light guide plate to solve the above problems. Content of the Utility Model

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a processing fixture for an aviation light guide plate.

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0008] A processing fixture for an aviation light guide plate includes a bracket;

[0009] A rotary clamping assembly for clamping and rotating a circular light guide plate or a rectangular light guide plate is installed on the upper right side of the bracket;

[0010] The rotary clamping assembly includes a rotary assembly, a driving assembly, and a clamping assembly. The rotary assembly is connected to the bracket, and both the rotary assembly and the clamping assembly are connected to the driving assembly;

[0011] A positioning assembly for positioning the arrow-shaped groove on the circular light guide plate is installed on the upper left side of the bracket.

[0012] Further, the rotating assembly includes a motor, a rotating plate, a support frame, a first cylinder and a cushion block. The motor is fixedly connected to the inner top of the bracket. The output end of the motor is fixedly connected to the rotating plate, which is located above the bracket. The center of the upper end of the rotating plate is fixedly connected to the support frame. The inner top of the support frame is fixedly connected to the first cylinder, and the output end of the first cylinder is fixedly connected to the cushion block for placing a circular light guide plate or a rectangular light guide plate.

[0013] Further, the rotating plate is connected to the driving assembly.

[0014] Further, the driving assembly includes a guide rail assembly, a mounting plate, a first L-shaped plate and a bidirectional linear module. The guide rails of the two guide rail assemblies are respectively fixedly connected to the left and right sides of the upper end of the rotating plate. The front and rear ends of the guide rails of the guide rail assembly are slidably connected with sliders. The two mounting plates are respectively fixedly connected to the sliders at the front and rear ends of the guide rail assembly. The middle of the upper end of the guide rail assembly is fixedly connected with symmetrically arranged first L-shaped plates. The bidirectional linear module is fixedly connected to the right side of the upper end of the rotating plate. The two output ends of the rotating plate are respectively fixedly connected to the right ends of the front and rear mounting plates.

[0015] Further, the first L-shaped plate is connected to the clamping assembly.

[0016] Further, the clamping assembly includes a U-shaped plate, a rotating shaft, a clamping block, an arc groove, a positioning hole, a locking rod and a first spring. The upper sides of the inner ends of the first L-shaped plates are fixedly connected with U-shaped plates. The two ends of the two rotating shafts are respectively rotatably connected to the inner walls of the left and right ends of the U-shaped plates. The clamping blocks are sleeved on the rotating shafts and fixedly connected to the rotating shafts. One end of the clamping block is provided with an arc groove for clamping a circular light guide plate. Positioning holes are respectively arranged on the front and rear sides of the right end of the clamping block. A locking rod is slidably connected to the front side of the right end of the U-shaped plate. The left end of the locking rod passes through the U-shaped plate and is embedded in the front positioning hole. A first spring is sleeved on the right end of the locking rod, and the two ends of the first spring are respectively fixedly connected to the locking rod and the U-shaped plate.

[0017] Further, the positioning assembly includes a linear guide rail, a connecting plate, a second L-shaped plate, a hexagonal sleeve, a hexagonal sliding cylinder, a second spring, a connecting block, an arrow plate and a second cylinder. The sliders of the linear guide rail are respectively fixedly connected to the connecting plate. The upper end of the connecting plate is fixedly connected with a second L-shaped plate. The right side of the inner top of the second L-shaped plate is fixedly connected with a hexagonal sleeve. A hexagonal sliding cylinder is slidably connected to the lower chute of the hexagonal sleeve. The lower end of the hexagonal sliding cylinder is fixedly connected with a connecting block. The lower end of the connecting block is fixedly connected with an arrow plate pointing in a set direction. The second spring is sleeved on the hexagonal sleeve and the hexagonal sliding cylinder, and the two ends of the second spring are respectively fixedly connected to the second L-shaped plate and the connecting block. The output end of the second cylinder is fixedly connected to the connecting plate.

[0018] Further, the guide rails of the two linear guide rails are respectively fixedly connected to the front and rear sides of the upper end of the bracket, and the second cylinder is fixedly connected to the left side of the upper end of the bracket.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] When machining the screw holes on the circular light guide plate of the present utility model, place the circular light guide plate on the rotating component of the rotating clamping component. The positioning component moves to the specified position to the right. The rotating component drives the circular light guide plate to move upward to the specified position. The circular light guide plate drives the positioning component to move upward. The driving component drives the clamping component to clamp the circular light guide plate. The rotating component drives the driving component and the clamping component to rotate. The clamping component drives the circular light guide plate to rotate until the positioning component is embedded in the arrow-shaped groove at the upper end of the circular light guide plate to achieve positioning. When machining the circular light guide plate, it is impossible to accurately judge by the naked eye whether the pointing direction of the arrow-shaped groove on the circular light guide plate is the set direction. By the cooperation of the rotating clamping component and the positioning component, the pointing direction of the arrow-shaped groove on the circular light guide plate can be adjusted to the set direction, and the screw holes on the circular light guide plate can be accurately machined, preventing the machining position of the screw holes from shifting, resulting in the inability to install on the lamp holder when the pointing direction of the arrow-shaped groove on the circular light guide plate is the set direction;

[0021] When machining the screw holes on the rectangular light guide plate, place the rectangular light guide plate on the rotating component, rotate the clamping component by 180 degrees. The rotating component drives the rectangular light guide plate to move upward to the specified position. Then the driving component drives the clamping component to clamp the rectangular light guide plate, and the screw holes on the rectangular light guide plate can be machined. When machining the rectangular light guide plate, the pointing direction of the arrow-shaped groove on the rectangular light guide plate can be adjusted to the set direction through the cooperation of manual and the clamping component, without the need for the positioning component for positioning. The clamping component can clamp both the circular light guide plate and the rectangular light guide plate, with high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 Three-dimensional view of a processing fixture for an aviation light guide plate of the present utility model Figure 1 ;

[0024] Figure 2 Front view of a processing fixture for an aviation light guide plate of the present utility model;

[0025] Figure 3 Three-dimensional view of a processing fixture for an aviation light guide plate of the present utility model Figure 2 ;

[0026] Figure 4 The three-dimensional view of a processing fixture for an aviation light guide plate of the present utility model Figure 3 ;

[0027] Figure 5 The three-dimensional view of a processing fixture for an aviation light guide plate of the present utility model Figure 4 ;

[0028] Figure 6 The three-dimensional view of the clamping assembly of a processing fixture for an aviation light guide plate of the present utility model;

[0029] Figure 7 is Figure 3 the enlarged view of part A in

[0030] Figure 8 The schematic diagram of the use and installation of the circular light guide plate of the present utility model.

[0031] The reference numerals in the figure respectively represent:

[0032] 1, bracket; 2, rotary clamping assembly; 21, rotary assembly; 211, motor; 212, rotary plate; 213, support frame; 214, first cylinder; 215, cushion block; 22, drive assembly; 221, guide rail assembly; 222, mounting plate; 223, first L-shaped plate; 224, bidirectional linear module; 23, clamping assembly; 231, U-shaped plate; 232, rotating shaft; 233, clamping block; 234, arc groove; 235, positioning hole; 236, locking rod; 237, first spring; 3, positioning assembly; 31, linear guide rail; 32, connecting plate; 33, second L-shaped plate; 34, hexagonal sleeve; 35, hexagonal sliding cylinder; 36, second spring; 37, connecting block; 38, arrow plate; 39, second cylinder; 4, circular light guide plate; 5, rectangular light guide plate. Specific embodiments

[0033] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0034] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0035] Embodiment 1

[0036] In some embodiments, please refer to the accompanying drawings of the specification Figures 1-8, an aviation light guide plate processing fixture, including a bracket 1;

[0037] A rotary clamping assembly 2 for clamping and rotating a circular light guide plate 4 or a rectangular light guide plate 5 is installed on the right side of the upper end of the bracket 1;

[0038] The rotary clamping assembly 2 includes a rotary assembly 21, a driving assembly 22 and a clamping assembly 23. The rotary assembly 21 is connected to the bracket 1, and both the rotary assembly 21 and the clamping assembly 23 are connected to the driving assembly 22;

[0039] A positioning assembly 3 for positioning the arrow-shaped groove on the circular light guide plate 4 is installed on the left side of the upper end of the bracket 1.

[0040] When machining the screw hole on the circular light guide plate 4, place the circular light guide plate 4 on the rotary assembly 21 of the rotary clamping assembly 2. The positioning assembly 3 moves to the specified position to the right. The rotary assembly 21 drives the circular light guide plate 4 to move upward to the specified position. The circular light guide plate 4 drives the positioning assembly 3 to move upward. The driving assembly 22 drives the clamping assembly 23 to clamp the circular light guide plate 4. The rotary assembly 21 drives the driving assembly 22 and the clamping assembly 23 to rotate. The clamping assembly 23 drives the circular light guide plate 4 to rotate until the positioning assembly 3 is embedded in the arrow-shaped groove at the upper end of the circular light guide plate 4 to achieve positioning. When machining the circular light guide plate 4, it is impossible to accurately judge with the naked eye whether the pointing direction of the arrow-shaped groove on the circular light guide plate 4 is the set direction. By the cooperation of the rotary clamping assembly 2 and the positioning assembly 3, the pointing direction of the arrow-shaped groove on the circular light guide plate 4 can be adjusted to the set direction, and the screw hole on the circular light guide plate 4 can be accurately machined, preventing the machining position of the screw hole from shifting, resulting in the inability to install on the lamp holder when the arrow-shaped groove on the circular light guide plate 4 points to the set direction;

[0041] When machining the screw hole on the rectangular light guide plate 5, place the rectangular light guide plate 5 on the rotary assembly 21, rotate the clamping assembly 23 by an angle of 180 degrees. The rotary assembly 21 drives the rectangular light guide plate 5 to move upward to the specified position. Then the driving assembly 22 drives the clamping assembly 23 to clamp the rectangular light guide plate 5, and the screw hole on the rectangular light guide plate 5 can be machined. When machining the rectangular light guide plate 5, the pointing direction of the arrow-shaped groove on the rectangular light guide plate 5 can be set to the set direction through the cooperation of manual labor and the clamping assembly 23, and the positioning assembly 3 is not required for positioning. The clamping assembly 23 can clamp both the circular light guide plate 4 and the rectangular light guide plate 5, with high applicability;

[0042] The rotating assembly 21 includes a motor 211, a rotating plate 212, a support frame 213, a first cylinder 214, and a cushion block 215. The motor 211 is fixedly connected to the inner top of the bracket 1. The output end of the motor 211 is fixedly connected to the rotating plate 212. The rotating plate 212 is located above the bracket 1. A support frame 213 is fixedly connected to the center of the upper end of the rotating plate 212. A first cylinder 214 is fixedly connected to the inner top of the support frame 213. The output end of the first cylinder 214 is fixedly connected to the cushion block 215 for placing the circular light guide plate 4 or the rectangular light guide plate 5.

[0043] The rotating plate 212 is connected to the driving assembly 22.

[0044] The driving assembly 22 includes a guide rail assembly 221, a mounting plate 222, a first L-shaped plate 223, and a bidirectional linear module 224. The guide rails of the two groups of guide rail assemblies 221 are respectively fixedly connected to the left and right sides of the upper end of the rotating plate 212. Sliders are slidably connected to the front and rear ends of the guide rails of the guide rail assembly 221. The two groups of mounting plates 222 are respectively fixedly connected to the sliders at the front and rear ends of the guide rail assembly 221. Symmetrically arranged first L-shaped plates 223 are fixedly connected to the middle of the upper end of the guide rail assembly 221. The bidirectional linear module 224 is fixedly connected to the right side of the upper end of the rotating plate 212. The two output ends of the rotating plate 212 are respectively fixedly connected to the right ends of the front and rear mounting plates 222.

[0045] The first L-shaped plate 223 is connected to the clamping assembly 23.

[0046] The clamping assembly 23 includes a U-shaped plate 231, a rotating shaft 232, a clamping block 233, an arc groove 234, a positioning hole 235, a locking rod 236, and a first spring 237. U-shaped plates 231 are fixedly connected to the upper sides of the inner ends of the first L-shaped plates 223. The two ends of the two groups of rotating shafts 232 are respectively rotatably connected to the inner walls of the left and right ends of the U-shaped plates 231. The clamping blocks 233 are sleeved on the rotating shafts 232 and fixedly connected to the rotating shafts 232. An arc groove 234 for clamping the circular light guide plate 4 is provided at one end of the clamping block 233. Positioning holes 235 are provided on the front and rear sides of the right end of the clamping block 233. A locking rod 236 is slidably connected to the front side of the right end of the U-shaped plate 231. The left end of the locking rod 236 passes through the U-shaped plate 231 and is embedded in the front positioning hole 235. A first spring 237 is sleeved on the right end of the locking rod 236. The two ends of the first spring 237 are respectively fixedly connected to the locking rod 236 and the U-shaped plate 231.

[0047] When processing the circular light guide plate 4, place the circular light guide plate 4 on the cushion block 215. The positioning component 3 moves to the right to the specified position. The first air cylinder 214 drives the cushion block 215 to move upward. The cushion block 215 drives the circular light guide plate 4 to move upward to the specified position. The circular light guide plate 4 drives the positioning component 3 to move upward. The bidirectional linear module 224 drives the front and rear mounting plates 222 to move inward under the guiding action of the guide rail component 221. The mounting plate 222 drives the first L-shaped plate 223 to move inward. The first L-shaped plate 223 drives the U-shaped plate 231, the rotating shaft 232, and the clamping block 233 to move inward to clamp the circular light guide plate 4. Then the motor 211 drives the rotating plate 212 to rotate. The rotating plate 212 drives the support frame 213, the first air cylinder 214, and the cushion block 215 to rotate. At the same time, the rotating plate 212 drives the guide rail component 221, the mounting plate 222, the first L-shaped plate 223, and the bidirectional linear module 224 to rotate. The first L-shaped plate 223 drives the U-shaped plate 231, the rotating shaft 232, the clamping block 233, and the arc groove 234 to rotate. The arc groove 234 drives the circular light guide plate 4 to rotate until the arrow-shaped groove on the circular light guide plate 4 is positioned to point in the set direction. The motor 211 stops rotating. The direction of the arrow-shaped groove on the circular light guide plate 4 can be adjusted to the set direction, and the screw holes on the circular light guide plate 4 can be accurately processed, preventing the processing position of the screw holes from shifting, resulting in the inability to install the circular light guide plate 4 on the lamp socket when the arrow-shaped groove on the circular light guide plate 4 points in the set direction;

[0048] When processing the rectangular light guide plate 5, place the rectangular light guide plate 5 on the cushion block 215. Pull the lock rod 236 to the right to disengage the lock rod 236 from the positioning hole 235. The lock rod 236 stretches the first spring 237. Rotate the clamping block 233 by an angle of 180 degrees to rotate the arc groove 234 to the outside. Release the lock rod 236. The lock rod 236 moves leftward under the elastic action of the first spring 237 and is embedded in the positioning hole 235 to complete the locking of the clamping block 233. The first air cylinder 214 drives the cushion block 215 to move upward. The cushion block 215 drives the rectangular light guide plate 5 to move upward. The bidirectional linear module 224 drives the front and rear mounting plates 222 to move inward under the guiding action of the guide rail component 221. The mounting plate 222 drives the first L-shaped plate 223 to move inward. The first L-shaped plate 223 drives the U-shaped plate 231, the rotating shaft 232, and the clamping block 233 to move inward to clamp the rectangular light guide plate 5, completing the clamping. It can clamp both the circular light guide plate 4 and the rectangular light guide plate 5, with high applicability;

[0049] The positioning component 3 includes a linear guide rail 31, a connecting plate 32, a second L-shaped plate 33, a hexagonal sleeve 34, a hexagonal sliding cylinder 35, a second spring 36, a connecting block 37, an arrow plate 38, and a second cylinder 39. The sliders of the linear guide rail 31 are fixedly connected to the connecting plate 32. The upper end of the connecting plate 32 is fixedly connected to the second L-shaped plate 33. The right side of the inner top of the second L-shaped plate 33 is fixedly connected to the hexagonal sleeve 34. The hexagonal sliding cylinder 35 is slidably connected to the lower chute of the hexagonal sleeve 34. The lower end of the hexagonal sliding cylinder 35 is fixedly connected to the connecting block 37. The lower end of the connecting block 37 is fixedly connected to the arrow plate 38 pointing in the set direction. The second spring 36 is sleeved on the hexagonal sleeve 34 and the hexagonal sliding cylinder 35, and the two ends of the second spring 36 are fixedly connected to the second L-shaped plate 33 and the connecting block 37 respectively. The output end of the second cylinder 39 is fixedly connected to the connecting plate 32.

[0050] The guide rails of the two groups of linear guide rails 31 are respectively fixedly connected to the front and rear sides of the upper end of the bracket 1, and the second cylinder 39 is fixedly connected to the left side of the upper end of the bracket 1.

[0051] When the arrow-shaped groove on the positioning circular light guide plate 4 points in the direction, the second cylinder 39 drives the connecting plate 32 to move to the right under the guiding action of the linear guide rail 31. The connecting plate 32 drives the second L-shaped plate 33 to move to the right. The second L-shaped plate 33 drives the hexagonal sleeve 34, the hexagonal sliding cylinder 35, the second spring 36, the connecting block 37, and the arrow plate 38 to move to the specified position. The first cylinder 214 drives the cushion block 215 to move upward. The cushion block 215 drives the circular light guide plate 4 to move upward to the specified position. The circular light guide plate 4 drives the arrow plate 38 to move upward. The arrow plate 38 drives the connecting block 37 to move upward to compress the second spring 36. At the same time, the connecting block 37 drives the hexagonal sliding cylinder 35 to slide upward in the chute of the hexagonal sleeve 34. The motor 211 drives the circular light guide plate 4 to rotate until the arrow plate 38 is inserted into the arrow-shaped groove at the upper end of the circular light guide plate 4 under the elastic action of the second spring 36, realizing positioning.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An aviation light guide plate processing fixture, comprising a bracket (1), characterized in that: A rotating clamping assembly (2) for clamping a rotating circular light guide plate (4) or a rectangular light guide plate (5) is installed on the right side of the upper end of the bracket (1); The rotating clamping assembly (2) comprises a rotating assembly (21), a driving assembly (22) and a clamping assembly (23); the rotating assembly (21) is connected to the bracket (1), and the rotating assembly (21) and the clamping assembly (23) are both connected to the driving assembly (22); A positioning component (3) for positioning the arrow-shaped groove on the circular light guide plate (4) is installed on the left side of the upper end of the bracket (1).

2. The aviation light guide plate processing fixture according to claim 1, characterized in that: The rotating assembly (21) comprises a motor (211), a rotating plate (212), a support frame (213), a first cylinder (214) and a cushion block (215); the motor (211) is fixedly connected to the inner top of the support frame (1); the output end of the motor (211) is fixedly connected to the rotating plate (212); the rotating plate (212) is located above the support frame (1); the center of the upper end of the rotating plate (212) is fixedly connected to the support frame (213); the inner top of the support frame (213) is fixedly connected to the first cylinder (214); and the output end of the first cylinder (214) is fixedly connected to the cushion block (215) for placing a circular light guide plate (4) or a rectangular light guide plate (5).

3. The aviation light guide plate processing fixture according to claim 2, characterized in that: The rotating plate (212) is connected to the driving assembly (22).

4. The aviation light guide plate processing fixture according to claim 3, characterized in that: The driving assembly (22) comprises a guide rail assembly (221), a mounting plate (222), a first L-shaped plate (223) and a bidirectional linear module (224); the guide rails of the two sets of guide rail assemblies (221) are respectively fixedly connected to the left and right sides of the upper end of the rotating plate (212); the front and rear ends of the guide rails of the guide rail assembly (221) are slidably connected with sliders; the two sets of mounting plates (222) are respectively fixedly connected to the sliders at the front and rear ends of the guide rail assembly (221); the middle of the upper end of the guide rail assembly (221) is fixedly connected to the first L-shaped plate (223) which is symmetrically arranged; the bidirectional linear module (224) is fixedly connected to the right side of the upper end of the rotating plate (212); and the two output ends of the rotating plate (212) are respectively fixedly connected to the right ends of the mounting plates (222) at the front and rear sides.

5. The aviation light guide plate processing fixture according to claim 4, characterized in that: The first L-shaped plate (223) is connected to the clamping assembly (23).

6. The aviation light guide plate processing fixture according to claim 5, characterized in that: The clamping assembly (23) comprises a U-shaped plate (231), a rotating shaft (232), a clamping block (233), an arc groove (234), a positioning hole (235), a locking rod (236) and a first spring (237); the upper inner end of the first L-shaped plate (223) is fixedly connected to the U-shaped plate (231); the two ends of the two sets of rotating shafts (232) are rotatably connected to the inner walls of the left and right ends of the U-shaped plate (231); the clamping block (233) is sleeved on the rotating shaft (232) and fixedly connected to the rotating shaft (232); the clamping block An arc groove (234) for clamping the circular light guide plate (4) is provided at one end of the (233), and positioning holes (235) are provided at the front and rear sides of the right end of the clamping block (233). A locking rod (236) is slidably connected to the front side of the right end of the U-shaped plate (231), and the left end of the locking rod (236) passes through the U-shaped plate (231) and is embedded in the positioning hole (235) on the front side. A first spring (237) is sleeved on the right end of the locking rod (236), and the two ends of the first spring (237) are fixedly connected to the locking rod (236) and the U-shaped plate (231) respectively.

7. The aviation light guide plate processing fixture according to claim 6, characterized in that: The positioning assembly (3) comprises a linear guide rail (31), a connecting plate (32), a second L-shaped plate (33), a hexagonal sleeve (34), a hexagonal slide cylinder (35), a second spring (36), a connecting block (37), an arrow plate (38) and a second cylinder (39). The slide blocks of the linear guide rail (31) are fixedly connected to the connecting plate (32). The upper end of the connecting plate (32) is fixedly connected to the second L-shaped plate (33). The right side of the inner top of the second L-shaped plate (33) is fixedly connected to the hexagonal sleeve (34). A hexagonal slide (35) is slidably connected in a slide groove at the lower end of the hexagonal sleeve (34), a connecting block (37) is fixedly connected to the lower end of the hexagonal slide (35), an arrow plate (38) pointing to a set direction is fixedly connected to the lower end of the connecting block (37), a second spring (36) is sleeved on the hexagonal sleeve (34) and the hexagonal slide (35), two ends of the second spring (36) are fixedly connected to the second L-shaped plate (33) and the connecting block (37), and an output end of the second cylinder (39) is fixedly connected to the connecting plate (32).

8. The aviation light guide plate processing fixture according to claim 7, characterized in that: The guide rails of the two sets of linear guide rails (31) are respectively fixedly connected to the front and rear sides of the upper end of the bracket (1), and the second cylinder (39) is fixedly connected to the left side of the upper end of the bracket (1).

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