Special water-jet guided laser flame tube cutting concentric fastening tool

Abstract

The utility model relates to the technical field of flame tube processing, in particular to a flame tube cutting concentric fastening tool special for water-jet guided laser. Comprising a cylinder body and a driving rod, a tensioning mechanism is arranged on the periphery of the cylinder body, a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate are sequentially arranged in the cylinder body from top to bottom, and an inner cavity of the cylinder body is divided into a first cavity, a second cavity, a third cavity and a fourth cavity by the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate; a first rotating shaft is arranged in the first cavity; the driving rod is rotationally mounted at the top of the barrel; the X-axis supporting rod and the Y-axis supporting rod are driven to stretch out and draw back synchronously under the action of the driving rod and the manual rotating disc, the inner wall of a flame tube can be clamped rapidly in the stretching-out process, it can be guaranteed that the flame tube and a rotating shaft on a water-jet-guided laser machining table face are concentric, meanwhile, the flame tube clamping device can be suitable for flame tubes of various sizes, and the machining efficiency is improved. And the inner surface of the flame tube can be prevented from being damaged during disassembly and assembly through the nylon cushion block.

Description

TECHNICAL FIELD

[0001] The utility model relates to flame cylinder processing technical field, concretely relates to a cutting flame cylinder concentric fastening frock special for water guide laser. BACKGROUND

[0002] The flame cylinder is the main component of the combustion chamber, which is a structure used to organize fuel combustion in an aircraft engine. In the combustion chamber, fuel mixes with compressed air and burns in the flame cylinder, producing high-temperature and high-pressure gas. These gases then flow to the turbine, pushing the aircraft engine to work. The design of the flame cylinder is crucial to the performance and reliability of the engine, as it needs to work under extreme high temperature and pressure conditions. In order to process the film hole on the curved wall of the aircraft engine flame cylinder, the water guide laser processing technology provides a new method that can directly penetrate the special layer and the body. However, due to the high cost of the flame cylinder, the curved structure is the main part, and the wall thickness of some models is only 2mm, while the diameter reaches 1000mm. During the water guide laser processing, it needs to be consistent with the concentricity of the rotating shaft, and the material surface should not be damaged during disassembly.

[0003] Currently, the simple fastening method uses a pressing block to fix it, which has the problems of easily scratching the material surface, high fixing difficulty, long fixing time, and difficult concentricity adjustment. The special frock takes a long time to design and manufacture, and is not universal. Therefore, there is an urgent need for a flame cylinder concentric fastening frock that can quickly fix the flame cylinder to the water guide laser processing table, quickly position the concentricity, and not damage the material surface. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a cutting flame cylinder concentric fastening frock special for water guide laser to solve the problems of high fixing difficulty, long fixing time, difficult concentricity adjustment, and easy scratching of the material surface in the background art.

[0005] To achieve the above technical purpose, the utility model provides the following technical scheme: a cutting flame cylinder concentric fastening frock special for water guide laser, including a cylinder body and a driving rod, a tensioning mechanism is arranged around the cylinder body, first to fourth support plates are arranged in the cylinder body from top to bottom, the first to fourth support plates divide the inner cavity of the cylinder body into first to fourth chambers, a first rotating shaft is arranged in the first chamber, the driving rod is rotatably installed on the top of the cylinder body, one end of the driving rod passes through the first support plate and drives the first rotating shaft to rotate through a right-angle transmission mechanism, a first gear is connected to one end of the first rotating shaft passing through the second support plate, a second rotating shaft is arranged in the second chamber, a second gear meshing with the first gear is arranged on the second rotating shaft, and one end of the second rotating shaft passes through the third and fourth support plates to drive the tensioning mechanism to extend and retract.

[0006] Further, the right-angle transmission mechanism comprises a first bevel gear, a second bevel gear, a worm wheel and a worm, the first bevel gear is installed on the driving rod, the worm is rotatably installed in the first chamber and is perpendicular to the driving rod, the second bevel gear is installed on the worm and is engaged with the first bevel gear, and the worm wheel is installed on the first rotating shaft and is engaged with the worm.

[0007] Further, the other end of the driving rod is connected with a manual rotating disc.

[0008] Further, the tensioning mechanism comprises two oppositely arranged X-axis supporting rods and two oppositely arranged Y-axis supporting rods, X-axis contraction mechanisms and Y-axis contraction mechanisms are arranged in the third chamber and the fourth chamber respectively, the X-axis contraction mechanism comprises a third gear, X-axis racks which are slidably arranged on the fourth supporting plate and are located on both sides of the third gear, and one end of the X-axis rack is connected with the X-axis supporting rod, the Y-axis contraction mechanism comprises a fourth gear, Y-axis racks which are slidably arranged on the bottom of the cylinder and are located on both sides of the fourth gear, and one end of the Y-axis rack is connected with the Y-axis supporting rod, and the third gear and the fourth gear are installed on the second rotating shaft.

[0009] Further, the end of the X-axis supporting rod and the Y-axis supporting rod is provided with a nylon pad block with an arc structure.

[0010] Compared with the prior art, the utility model discloses the following beneficial effects: the utility model discloses the synchronous extension and contraction of X-axis supporting rod and Y-axis supporting rod under the action of driving rod and manual rotating disc, can quickly clamp the inner wall of flame cylinder in the process of extension, can guarantee that the flame cylinder is concentric with the rotating shaft on the water guide laser processing platform, can be suitable for various sizes of flame cylinder, the installation and dismounting of flame cylinder are convenient, only need to rotate the receiving rotating disc, greatly reduce the time of installation and dismounting, reduce the work difficulty, through worm wheel and worm transmission, can prevent the reverse rotation of driving rod in the process of flame cylinder processing, cause the flame cylinder to fall off the nylon pad block, influence processing work, through the nylon pad block, can avoid damaging the inner surface of flame cylinder when dismounting the flame cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the overall structure schematic diagram of the utility model;

[0012] Figure 2 It is the section mechanism schematic diagram of the utility model;

[0013] Figure 3 It is the structure schematic diagram of the right-angle transmission mechanism of the utility model;

[0014] Figure 4 It is the structure schematic diagram of the X-axis contraction mechanism of the utility model;

[0015] Figure 5It is the structural schematic diagram of Y axial contraction mechanism of the utility model.

[0016] In the figure, 1, cylinder body;2, drive rod;3, first support plate;4, second support plate;5, third support plate;6, fourth support plate;7, first chamber;8, second chamber;9, third chamber;10, fourth chamber;11, first rotating shaft;12, right angle transmission mechanism;121, first bevel gear;122, second bevel gear;123, worm wheel;124, worm;13, first gear;14, second rotating shaft;15, second gear;16, manual rotary disc;17, X axis support rod;18, Y axis support rod;19, X axial contraction mechanism;191, third gear;192, X axial rack;20, Y axial contraction mechanism;201, fourth gear;202, Y axial rack. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model, and the technical scheme of the utility model is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] As Figures 1-5 shown, the utility model provides a cutting flame cylinder concentric fastening frock special for water guide laser, including cylinder body 1 and drive rod 2, the four around of cylinder body 1 is equipped with tensioning mechanism, the first support plate 3, second support plate 4, third support plate 5 and fourth support plate 6 are successively fixed and installed from top to bottom in cylinder body 1, the first support plate 3, second support plate 4, third support plate 5 and fourth support plate 6 divide the inner chamber of cylinder body 1 into first chamber 7, second chamber 8, third chamber 9 and fourth chamber 10, the first rotating shaft 11 is rotatably arranged in first chamber 7, drive rod 2 is rotatably installed at the top of cylinder body 1, drive rod 2 is rotatably installed on the first support plate 3, and one end of drive rod 2 passes through the first support plate 3 and drives the first rotating shaft 11 to rotate through the right angle transmission mechanism 12, one end of the first rotating shaft 11 is connected with the first gear 13 by passing through the second support plate 4, the second rotating shaft 14 is rotatably arranged in second chamber 8, the second rotating shaft 14 is provided with the second gear 15 meshing with the first gear 13, one end of the second rotating shaft 14 passes through the third support plate 5 and fourth support plate 6 and can drive the tensioning mechanism to stretch and retract.

[0019] As Figure 1 and Figure 2As shown, the output direction of the rotating shaft 2 is changed by the right-angle transmission mechanism 12, the first rotating shaft 11, the first gear 13 and the second gear 14 are transmission components, so that the driving rod 2 can be in the center position, the first rotating shaft 11 is driven to rotate by the driving rod 2, the first rotating shaft 11 drives the second rotating shaft 14 to rotate under the action of the first gear 13 and the second gear 15, and the second rotating shaft 14 drives the tensioning mechanism to synchronously extend or contract. Specifically, the fastening device is arranged in the flame tube, the center position of the cylinder body 1 deviates from the center of the flame tube, the tensioning mechanism extends, a part of the tensioning mechanism will first contact the inner wall of the flame tube close to the cylinder body 1, the tensioning mechanism will push the flame tube to move towards the center of the cylinder body 1, until the tensioning mechanism is in contact with the inner wall of the flame tube, the flame tube is fixed outside the cylinder body 1, and then the fast and accurate clamping and fixing of the flame tube is realized, which saves a lot of calibration time and later disassembly, inspection and reinstallation time for the water guide laser processing center.

[0020] The right-angle transmission mechanism 12 comprises a first bevel gear 121, a second bevel gear 122, a worm wheel 123 and a worm 124, the first bevel gear 121 is installed on the driving rod 2, the worm 124 is rotatably installed in the first chamber 7 and perpendicular to the driving rod 2, the second bevel gear 122 is installed on the worm 124 and meshes with the first bevel gear 121, and the worm wheel 123 is installed on the first rotating shaft 11 and meshes with the worm 124.

[0021] As shown in the figure, Figure 3 The driving rod 2 is rotated to drive the first bevel gear 121 to rotate, the first bevel gear 121 meshes with the second bevel gear 122, and the second bevel gear is located on the worm 124, so that the worm 124 drives the worm wheel 123 meshing with the worm 124 to rotate, so that the first rotating shaft 11 rotates, and the worm wheel 123 and the worm 124 have a locking function, which can prevent the driving rod 2 from rotating reversely without driving force, and affect the clamping and fixing effect.

[0022] The other end of the driving rod 2 is fixedly connected with a manual rotating disc 16.

[0023] As shown in the figure, Figure 1 The manual rotating disc 16 can provide a force point for manually rotating the driving rod 2, which facilitates the rotation of the driving rod 2 and saves time for disassembly and assembly of the flame tube.

[0024] The tensioning mechanism comprises two oppositely arranged X-axis support rods 17 and two oppositely arranged Y-axis support rods 18, and the third chamber 9 and the fourth chamber 10 are respectively provided with an X-axis contraction mechanism 19 and a Y-axis contraction mechanism 20, the X-axis contraction mechanism 19 comprises a third gear 191 and X-axis racks 192 which are slidably arranged on the fourth support plate 6 and located on both sides of the third gear 191, and one end of the X-axis racks 192 away from the third gear 191 is connected with the X-axis support rod 17 through the barrel 1, the Y-axis contraction mechanism 20 comprises a fourth gear 201 and Y-axis racks 202 which are slidably arranged on the bottom of the barrel 1 and located on both sides of the fourth gear 201, and one end of the Y-axis racks 202 is connected with the Y-axis support rod 18, and the third gear 191 and the fourth gear 201 are installed on the second rotating shaft 14.

[0025] As shown in Figure 4 and 5 , the X-axis racks 192 are arranged on the fourth support plate 10 through X-axis sliding grooves, the X-axis racks 192 slide in the X-axis sliding grooves, the third gear 191 rotates to drive the X-axis racks 192 on both sides of the third gear 191 to move relatively or oppositely, the X-axis support rod 17 is slidably installed in the X-axis sliding groove, so as to drive the X-axis support rod 17 connected with the X-axis racks 192 to extend or retract in the X-axis sliding groove; similarly, the Y-axis racks 202 are arranged on the bottom of the barrel 1 through Y-axis sliding grooves, the Y-axis racks 202 slide in the Y-axis sliding grooves, the fourth gear 201 rotates to drive the Y-axis racks 202 on both sides of the fourth gear 201 to move relatively or oppositely, the Y-axis support rod 18 is slidably installed in the Y-axis sliding groove, so as to drive the Y-axis support rod 18 connected with the Y-axis racks 202 to extend or retract in the Y-axis sliding groove, and when the second rotating shaft 1 rotates, the X-axis support rod 17 and the Y-axis support rod 18 can be simultaneously driven to synchronously extend or retract, thereby achieving the effect of quickly and accurately clamping and ensuring the concentricity.

[0026] The end of the X-axis support rod 17 and the end of the Y-axis support rod 18 are both fixedly provided with nylon pads 21 with arc-shaped structures.

[0027] As shown in Figure 4 , according to the good elasticity and softness of the nylon material and the shape of the nylon pads 21, the impact on the inner wall of the flame barrel can be reduced during clamping, which helps to protect the flame barrel from damage and avoids scratching the inner wall of the flame barrel when disassembling the X-axis support rod 17 and the Y-axis support rod 18, and meanwhile, the nylon pads 21 can also improve the stability of clamping and prevent the flame barrel from falling off during processing.

[0028] Principle: when using, the cylinder 1 is fixed on the rotating shaft of the water guide laser processing table, and the cylinder 1 is concentrically installed with the rotating shaft of the water guide laser processing table, then the flame cylinder is sleeved on the outer periphery of the cylinder 1, and the manual rotating disc 16 is rotated, under the action of the first bevel gear 121 and the second bevel gear 122, the worm 124 is rotated, the worm 124 drives the worm wheel 123 to rotate, so that the first rotating shaft 11 is rotated, the first rotating shaft 11 drives the second gear 15 to rotate under the action of the first gear 13 and the second gear 15, so that the second rotating shaft 14 is rotated, the third gear 191 and the fourth gear 201 are rotated, the third gear 191 drives the two X-axis racks 192 to move in opposite directions, so that the X-axis supporting rod 17 is relatively extended, and the Y-axis supporting rod 18 is relatively extended, the X-axis supporting rod 17 or the Y-axis supporting rod 18 close to the inner wall of the flame cylinder will first contact the inner wall of the flame cylinder, during the extension of the X-axis supporting rod 17 or the Y-axis supporting rod 18, the X-axis supporting rod 17 or the Y-axis supporting rod 18 will push the flame cylinder to move in the direction of the center of the cylinder 1, until the other X-axis supporting rod 17 or Y-axis supporting rod 18 contacts the inner wall of the flame cylinder, so that the X-axis supporting rod 17 and the Y-axis supporting rod 18 all contact the inner wall of the flame cylinder, so as to adjust the position of the flame cylinder, so that it is in the center of the rotating shaft on the water guide laser processing table, and the X-axis supporting rod 17 and the Y-axis supporting rod 18 clamp and fix the flame cylinder, which is convenient for subsequent laser cutting and other processing work.

[0029] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways instead, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A water guide laser dedicated cutting flame cartridge concentric fastening tool, characterized in that: The utility model relates to a kind of tensioning mechanism, including cylinder (1) and drive rod (2), the four around of cylinder (1) is equipped with tensioning mechanism, and cylinder (1) is sequentially equipped with first support plate (3), second support plate (4), third support plate (5) and fourth support plate (6) from top to bottom in it, first support plate (3), second support plate (4), third support plate (5) and fourth support plate (6) will the cavity of cylinder (1) be divided into first chamber (7), second chamber (8), third chamber (9) and fourth chamber (10), first chamber (7) is equipped with first rotating shaft (11) in, drive rod (2) is rotatably installed at the top of cylinder (1), and the one end of drive rod (2) passes through first support plate (3) and drives first rotating shaft (11) rotation by right angle transmission mechanism (12), and the one end of first rotating shaft (11) is connected with first gear (13) by passing through second support plate (4), second chamber (8) is equipped with second rotating shaft (14) in, and second rotating shaft (14) is equipped with the second gear (15) meshing with first gear (13), and the one end of second rotating shaft (14) passes through third support plate (5) and fourth support plate (6) and can drive tensioning mechanism telescopic motion.

2. The concentric fastening tool for cutting flame cartridge special for water guide laser according to claim 1, characterized in that: The right angle transmission mechanism (12) includes first bevel gear (121), second bevel gear (122), worm wheel (123) and worm (124), the first bevel gear (121) is installed on the drive rod (2), the worm (124) is rotatably installed in the first chamber (7) and is perpendicular to the drive rod (2), the second bevel gear (122) is installed on the worm (124) and is meshed with the first bevel gear (121), and the worm wheel (123) is installed on the first rotating shaft (11) and is meshed with the worm (124).

3. The concentric fastening tool for cutting flame cartridge special for water guide laser as claimed in claim 1, characterized in that: The other end of the drive rod (2) is connected with a manual turntable (16).

4. The concentric fastening tool for cutting flame cartridge of water guide laser according to claim 1, characterized in that: The tensioning mechanism includes two oppositely arranged X-axis support rods (17) and two oppositely arranged Y-axis support rods (18), and X-axis contraction mechanism (19) and Y-axis contraction mechanism (20) are respectively arranged in the third chamber (9) and the fourth chamber (10), the X-axis contraction mechanism (19) includes a third gear (191), an X-axis rack (192) slidingly arranged on the fourth support plate (6) and located on both sides of the third gear (191), one end of the X-axis rack (192) is connected with the X-axis support rod (17), the Y-axis contraction mechanism (20) includes a fourth gear (201), a Y-axis rack (202) slidingly arranged on the bottom of the cylinder (1) and located on both sides of the fourth gear (201), one end of the Y-axis rack (202) is connected with the Y-axis support rod (18), and the third gear (191) and the fourth gear (201) are installed on the second rotating shaft (14).

5. The concentric fastening tool for cutting flame cartridge dedicated to water guide laser according to claim 4, characterized in that: The end of the X-axis support rod (17) and the Y-axis support rod (18) is provided with an arc-shaped nylon pad (21).

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