Combustion chamber spinning stress heat treatment mechanism

Abstract

The utility model relates to the technical field of heat treatment mechanisms, and discloses a combustion chamber spinning stress heat treatment mechanism which comprises an operation table, a rotating disc is movably installed on the left side of the top of the operation table, and a driving motor is fixedly installed at the position, corresponding to the rotating disc, of the operation table. The rotating disc is driven by the driving motor to enable the combustion chamber to rotate, the combustion chamber is heated to the set initial temperature through the heating device, the movable block is controlled by the threaded rod to drive the fixed rod to move into the combustion chamber, and then the rolling wheels abut against the inner wall of the combustion chamber to apply pressure to the inner wall of the combustion chamber. Meanwhile, the heating wire can maintain the temperature in the combustion chamber, after spinning is completed, the cooling ring is operated to spray out liquid nitrogen to rapidly cool the inner wall of the combustion chamber, and therefore the spinning heat treatment operation is simplified, the reliability is improved, meanwhile, the combustion chamber does not need to move among multiple devices, the heat treatment continuity is guaranteed, and the production efficiency is improved. And the production efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment mechanism technical field especially relates to a combustion chamber spinning stress heat treatment mechanism. BACKGROUND

[0002] The combustion chamber spinning stress heat treatment mechanism is a kind of equipment specially designed to improve the mechanical properties of combustion chamber inner wall, and the durability and fatigue resistance of material are enhanced by applying specific mechanical and heat treatment process.This technology is particularly important in the manufacture of components working in high temperature and high pressure environment such as aero-engine and gas turbine.

[0003] The existing technical equipment needs to be completed by multiple machines when the combustion chamber is subjected to spinning stress heat treatment, and the combustion chamber is moved back and forth between multiple devices, which seriously affects the continuity of heat treatment, resulting in unsatisfactory effect of combustion chamber after heat treatment. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a combustion chamber spinning stress heat treatment mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of combustion chamber spinning stress heat treatment mechanism, including operation table, the top left side of the operation table is movably installed with rotary disc, the position corresponding rotary disc is fixedly installed with drive motor on the operation table, the output end of the drive motor is fixedly connected with rotary disc left end middle, the right side of the rotary disc is provided with two clamping blocks, V-shaped groove is formed in the inner side of the clamping block, combustion chamber is arranged between the clamping blocks, the top right end of the operation table is provided with movable block, the position corresponding movable block is formed with movable slot on the top of the operation table, threaded rod is movably installed in the movable slot, the bottom of the movable block is threadedly connected with threaded rod, the right end of the operation table is fixedly installed with servo motor at the position corresponding threaded rod, the output end of the servo motor is fixedly connected with threaded rod, fixed rod is fixedly installed at the left end middle position of the movable block, controller is fixedly installed on the side wall of the operation table.

[0007] As a further scheme of the utility model, connecting cover is fixedly installed on the top of the left end of the fixed rod and on the top of the left end of the fixed rod, movable rod is movably installed in the connecting cover, roller is fixedly installed on the top of the movable rod, piston block is fixedly installed on the bottom of the movable rod, spring is fixedly installed between the top of the piston block and the inner wall of the connecting cover, gas pipe is fixedly installed on the bottom of the side wall of the connecting cover, the left end of the gas pipe extends into the connecting cover, and the right end of the gas pipe is fixedly connected with pressure pipe penetrating the top of the controller.

[0008] As a further scheme of the present utility model, the left and right sides of the top of the left end of the fixed rod are fixedly installed with fixed racks, and heating wires are fixedly installed between the fixed racks.

[0009] As a further scheme of the present utility model, a connecting rack is fixedly installed on the side wall of the fixed rod, a sliding groove is formed in the connecting rack, a rotating rod is movably installed in the sliding groove, a cooling ring is arranged on the outside of the fixed rod, an exhaust port is formed in the cooling ring, a sliding block is fixedly installed on the inner ring of the cooling ring at a position corresponding to the sliding groove, the sliding block is threadedly connected with the rotating rod, an output motor is fixedly installed at the right end of the connecting rack at a position corresponding to the rotating rod, the output end of the output motor is fixedly connected with the rotating rod, and a connecting pipe is fixedly connected with the side wall of the cooling ring.

[0010] As a further scheme of the present utility model, a limiting groove is formed in the right side of the rotating disc, a control rod is movably installed in the limiting groove, the thread patterns at the two ends of the control rod are opposite, two clamping blocks are movably installed at the two ends of the limiting groove, the clamping blocks are threadedly connected with the control rod, a crank handle is arranged on the outside of the rotating disc at a position corresponding to the control rod, and one end of the crank handle is fixedly connected with the control rod.

[0011] As a further scheme of the present utility model, a heating device is fixedly installed on the top of the operation table at a position corresponding to the combustion chamber.

[0012] Compared with the prior art, the present utility model has the following beneficial effects:

[0013] In the present utility model, the driving motor and the heating device are started by the controller, the driving motor drives the rotating disc to rotate, the heating device heats the combustion chamber to the initial temperature, the servo motor is started by the controller to drive the threaded rod to rotate, the threaded rod controls the movable block to drive the fixed rod to move into the combustion chamber, the air pump is opened by the controller when the roller enters the combustion chamber, the high-pressure gas pushes the piston block upward, the roller is pressed against the inner wall of the combustion chamber at this time, the pressure is applied to the inner wall of the combustion chamber for spinning, the temperature in the combustion chamber is maintained within a certain range by the heating wire, the cooling ring is moved into the combustion chamber by the rotating rod when the spinning is completed, the liquid nitrogen sprayed from the cooling ring rapidly cools the inner wall of the combustion chamber, the operation of the spinning heat treatment is simplified, the reliability is improved, the combustion chamber does not need to be moved between multiple devices, the continuity of the heat treatment is ensured, and the production efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The present utility model proposes an overall structure schematic diagram of a combustion chamber spinning stress heat treatment mechanism;

[0015] Figure 2 For the utility model Figure 1 The enlarged view of A in the middle;

[0016] Figure 3 For the utility model Figure 1 The enlarged view of B in the middle;

[0017] Figure 4 A partial structure schematic view of a combustion chamber spinning stress heat treatment mechanism is provided in the utility model.

[0018] In the drawing: 1, operation table; 2, rotating disc; 3, drive motor; 4, clamping block; 5, combustion chamber; 6, heating device; 7, controller; 8, movable block; 9, movable groove; 10, threaded rod; 11, servo motor; 12, connecting pipe; 13, pressurizing pipe; 14, fixed rod; 15, connecting cover; 16, movable rod; 17, piston block; 18, roller; 19, spring; 20, gas delivery pipe; 21, fixed frame; 22, heating wire; 23, connecting frame; 24, sliding groove; 25, rotating rod; 26, cooling ring; 27, exhaust port; 28, sliding block; 29, output motor; 30, crank handle; 31, limiting groove; 32, control rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0020] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Reference Figure 1 - Figure 4The utility model relates to a kind of combustion chamber spinning stress heat treatment mechanism, including operation platform 1, rotating disc 2 is movably installed in the top left side of operation platform 1, driving motor 3 is fixedly installed on operation platform 1 corresponding the position of rotating disc 2, the output end of driving motor 3 is fixedly connected with the left end middle of rotating disc 2, the right side of rotating disc 2 is provided with two clamping blocks 4, V-shaped groove is opened in the inner side of clamping block 4, combustion chamber 5 is equipped between clamping block 4, movable block 8 is arranged in the top right end of operation platform 1, movable groove 9 is opened in the top of operation platform 1 corresponding the position of movable block 8, threaded rod 10 is movably installed in movable groove 9, and the bottom of movable block 8 is threadedly connected with threaded rod 10, servo motor 11 is fixedly installed on the right end of operation platform 1 corresponding the position of threaded rod 10, the output end of servo motor 11 is fixedly connected with threaded rod 10, fixed rod 14 is fixedly installed in the left end middle position of movable block 8, and controller 7 is fixedly installed on the side wall of operation platform 1.

[0023] In the embodiment, connecting cover 15 is fixedly installed on the top of the left end of fixed rod 14, movable rod 16 is movably installed in connecting cover 15, roller 18 is fixedly installed on the top of movable rod 16, piston block 17 is fixedly installed on the bottom of movable rod 16, spring 19 is fixedly installed between the top of piston block 17 and the inner wall of connecting cover 15, gas pipe 20 is fixedly installed on the bottom of the side wall of connecting cover 15, the left end of gas pipe 20 extends into connecting cover 15, and pressurizing pipe 13 is fixedly connected to the right end of gas pipe 20 and penetrates the top of controller 7, the pressurized gas is delivered into gas pipe 20 by opening gas pump through controller 7, and the high-pressure gas is delivered to the bottom of connecting cover 15 through gas pipe 20, so that the piston block 17 is pushed upward by the high-pressure gas, and the roller 18 is pushed to the inner wall of the combustion chamber 5, so that the spinning is carried out on the inner wall of the combustion chamber 5.

[0024] In the embodiment, fixed frame 21 is fixedly installed on the left and right sides of the top of the left end of fixed rod 14, and heating wire 22 is fixedly installed between fixed frame 21, heating wire 22 is started by controller 7, and the temperature in combustion chamber 5 is maintained within a certain range by heating wire 22, so that the material undergoes phase change or other microstructure adjustment, and the mechanical properties are further improved.

[0025] In this embodiment, the side wall of the fixed rod 14 is fixedly installed with a connecting frame 23, the connecting frame 23 is provided with a sliding groove 24, the sliding groove 24 is movably installed with a rotating rod 25, the outer side of the fixed rod 14 is provided with a cooling ring 26, the cooling ring 26 is provided with an exhaust port 27, the inner ring of the cooling ring 26 is fixedly installed with a sliding block 28 corresponding to the position of the sliding groove 24, the sliding block 28 is threadedly connected with the rotating rod 25, the right end of the connecting frame 23 is fixedly installed with an output motor 29 corresponding to the position of the rotating rod 25, the output end of the output motor 29 is fixedly connected with the rotating rod 25, the side wall of the cooling ring 26 is fixedly connected with a connecting pipe 12, liquid nitrogen will be delivered into the cooling ring 26 through the connecting pipe 12, and then sprayed to the surrounding through the exhaust port 27, the output motor 29 is started to drive the rotating rod 25 to rotate, the cooling ring 26 can be controlled to move into the combustion chamber 5 through the rotating rod 25, at this time, the inner wall of the combustion chamber 5 can be quickly cooled, and a new microstructure is fixed.

[0026] In this embodiment, the right side of the rotating disc 2 is provided with a limiting groove 31, the limiting groove 31 is movably installed with a control rod 32, the thread patterns of the two ends of the control rod 32 are opposite, two clamping blocks 4 are movably installed at the two ends of the limiting groove 31, the clamping blocks 4 are threadedly connected with the control rod 32, the outer side of the rotating disc 2 is provided with a crank 30 corresponding to the position of the control rod 32, the crank 30 is fixedly connected with one end of the control rod 32, the combustion chamber 5 to be heat treated is moved between the clamping blocks 4, then the crank 30 is rotated to drive the control rod 32 to rotate and control the clamping blocks 4 to clamp the combustion chamber 5.

[0027] In this embodiment, the top of the operation table 1 is fixedly installed with a heating device 6 corresponding to the position of the combustion chamber 5, the combustion chamber 5 will be heated to a set initial temperature by the heating device 6, so that the material reaches a proper plastic state.

[0028] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in use, first, connect the connecting pipe 12 with the liquefied nitrogen bottle, then connect the pressurizing pipe 13 with the air pump, then move the combustion chamber 5 needing heat treatment between the clamping blocks 4, then rotate the crank handle 30, control the clamping block 4 to clamp the combustion chamber 5 by rotating the control rod 32 driven by the crank handle 30, then start the driving motor 3 and the heating device 6 by the controller 7, the combustion chamber 5 is rotated by the driving motor 3 driving the rotating disc 2, the combustion chamber 5 is heated to the set initial temperature by the heating device 6, so that the material reaches the appropriate plastic state, then start the servo motor 11 by the controller 7, the threaded rod 10 is rotated by the servo motor 11, the movable block 8 drives the fixed rod 14 to move into the combustion chamber 5 by the threaded rod 10, when the roller 18 enters the combustion chamber 5, the air pump is opened by the controller 7, the pressurized gas is delivered into the gas delivery pipe 20 by the pressurizing pipe 13, the high-pressure gas is delivered to the bottom of the connecting cover 15 by the gas delivery pipe 20, at this time, the high-pressure gas pushes the piston block 17 upward, at this time, the roller 18 is pushed to the inner wall of the combustion chamber 5, and the inner wall of the combustion chamber 5 is subjected to pressure spinning, at this time, the movable block 8 also pushes the fixed rod 14 to slowly advance, so that the roller 18 realizes local compression deformation of the inner wall of the combustion chamber 5, this step helps to eliminate residual stress and introduce beneficial residual compressive stress,

[0029] At the same time of spinning, the heating wire 22 is started by the controller 7, the temperature in the combustion chamber 5 is maintained within a certain range by the heating wire 22, so that the material undergoes phase change or other microstructure adjustment, further improving the mechanical properties.

[0030] After spinning is completed, the liquefied nitrogen bottle is opened, the liquefied nitrogen is delivered into the cooling ring 26 by the connecting pipe 12, then is sprayed to the surrounding through the exhaust port 27, the output motor 29 is started to drive the rotating rod 25 to rotate, the cooling ring 26 can be controlled to move into the combustion chamber 5 by the rotating rod 25, at this time, the inner wall of the combustion chamber 5 can be rapidly cooled, and the new microstructure is fixed, so that the operation of spinning heat treatment is simplified, the reliability is improved, at the same time, the combustion chamber 5 does not need to be moved between multiple devices, the continuity of heat treatment is guaranteed, and the production efficiency and quality are improved.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A spinning stress heat treatment mechanism for combustion chamber, comprising an operating table (1), characterized in that, The left side of the top of the operating platform (1) is movably provided with a rotating disc (2), and the operating platform (1) is fixedly provided with a driving motor (3) at a position corresponding to the rotating disc (2). The output end of the driving motor (3) is fixedly connected to the middle of the left end of the rotating disc (2). The right side of the rotating disc (2) is provided with two clamping blocks (4), the inner side of the clamping block (4) is provided with a V-shaped groove, and the clamping block (4) is provided with a combustion chamber (5) between the clamping blocks (4). The right end of the top of the operating platform (1) is provided with a movable block (8), and the operating platform (1) is provided with a movable groove (9) at a position corresponding to the movable block (8) on the top. The movable groove (9) is movably provided with a threaded rod (10), and the bottom of the movable block (8) is threadedly connected with the threaded rod (10). The right end of the operating platform (1) is fixedly provided with a servo motor (11) at a position corresponding to the threaded rod (10). The output end of the servo motor (11) is fixedly connected with the threaded rod (10). The left end of the movable block (8) is fixedly provided with a fixed rod (14). The sidewall of the operating platform (1) is fixedly provided with a controller (7).

2. A spinning stress heat treatment mechanism for combustion chambers according to claim 1, characterized in that, The left end of the fixed rod (14) is fixedly provided with a connecting cover (15) on the top of the left and right sides. The connecting cover (15) is movably provided with a movable rod (16). The top of the movable rod (16) is fixedly provided with a roller (18). The bottom of the movable rod (16) is fixedly provided with a piston block (17). The top of the piston block (17) is fixedly provided with a spring (19) between the inner wall of the connecting cover (15). The sidewall of the connecting cover (15) is fixedly provided with a gas conveying pipe (20). The left end of the gas conveying pipe (20) extends into the connecting cover (15). The right end of the gas conveying pipe (20) is fixedly connected with a pressurizing pipe (13) penetrating through the top of the controller (7).

3. The spinning stress heat treatment mechanism for combustion chamber according to claim 1, wherein The left and right sides of the top of the fixed rod (14) are fixedly provided with a fixed frame (21). The fixed frame (21) is fixedly provided with a heating wire (22) between the fixed frame (21).

4. The spinning stress heat treatment mechanism for combustion chamber according to claim 1, wherein The sidewall of the fixed rod (14) is fixedly provided with a connecting frame (23). The connecting frame (23) is provided with a sliding groove (24). The sliding groove (24) is movably provided with a rotating rod (25). The outer side of the fixed rod (14) is provided with a cooling ring (26). The cooling ring (26) is provided with an exhaust port (27). The inner ring of the cooling ring (26) is fixedly provided with a sliding block (28) at a position corresponding to the sliding groove (24). The sliding block (28) is threadedly connected with the rotating rod (25). The right end of the connecting frame (23) is fixedly provided with an output motor (29) at a position corresponding to the rotating rod (25). The output end of the output motor (29) is fixedly connected with the rotating rod (25). The sidewall of the cooling ring (26) is fixedly connected with a connecting pipe (12).

5. The spinning stress heat treatment mechanism for combustion chamber according to claim 1, wherein The right side of the rotating disc (2) is provided with a limiting groove (31), a control rod (32) is movably installed in the limiting groove (31), the thread of the two ends of the control rod (32) is opposite, two clamping blocks (4) are movably installed at the two ends of the limiting groove (31), the clamping block (4) is in threaded connection with the control rod (32), and a crank handle (30) is arranged on the outside of the rotating disc (2) and corresponds to the position of the control rod (32).

6. The spinning stress heat treatment mechanism for combustion chamber according to claim 1, wherein A heating device (6) is fixedly installed on the top of the operation table (1) and corresponds to the position of the combustion chamber (5).

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