Turbine shell machining casting mold facilitating stripping

Abstract

The casting mold comprises a machining table and a machining cover, the machining cover is arranged at the top of the machining table, a lead screw is arranged on one side of an open groove in the machining table, a transmission block is arranged on the lead screw, a sliding rod is arranged on the other side of the open groove in the machining table and parallel to the position of the lead screw, and the transmission block is arranged on the sliding rod. A sliding block is arranged at the position, corresponding to the transmission block, of the sliding rod, the top of the sliding block and the top of the transmission block are fixedly connected with a lower mold through open grooves, telescopic rods are arranged on the two sides of the bottom of the lower mold correspondingly, and the output ends of the telescopic rods extend into a mold groove of the lower mold to be fixedly connected with a top plate; and the top of the top plate is fixedly connected with a mold cavity. By moving the lower die, material taking is convenient, the labor intensity can be reduced, secondary cooling can be conducted on the lower die before material taking, high-temperature scalding is prevented, and dropped metal liquid can be received and prevented from dropping on the surface of a workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of turbine shell processing and casting, in particular to a casting mold for turbine shell processing which is convenient for material removal. Background Art

[0002] The turbine shell is an important component of the turbocharger. It is cast from duplex stainless steel and has good high-temperature stability, oxidation resistance and high-temperature mechanical properties. It is a transition element connecting the exhaust pipe and the intermediate shell and is also a protective cover for the alloy impeller. The turbine shell is also increasingly widely used in automobiles, aircraft, ships and other fields. During the processing of the turbine shell, the molten metal liquid needs to be injected into the mold to cool and form it.

[0003] In the prior art, the casting mold of a general turbine shell is not convenient for workers to take the formed workpiece, and the workers may be burned by the high temperature of the workpiece when taking it, thus causing safety accidents. After the mold is separated, the liquid in the injection tube may drip onto the surface of the turbine shell, increasing the difficulty of polishing it. Utility Model Content

[0004] The utility model aims to provide a casting mold for machining a turbine shell which is convenient for stripping, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting mold for turbine shell processing that is convenient for stripping, comprising a processing table and a processing cover, a processing cover is provided on the top of the processing table, and an opening is provided on the front of the processing cover, and the processing cover is in the shape of a screen, a slot is provided in the middle position of the top of the processing table, and a screw rod is provided on one side of the slot in the processing table, and a transmission block is provided on the screw rod, a sliding rod is provided on the other side of the slot in the processing table parallel to the screw rod, and a slider is provided on the sliding rod at a position corresponding to the transmission block, and the top of the slider and the transmission block are fixedly connected to the lower mold through the slot, telescopic rods are provided on both sides of the bottom of the lower mold, and the output end of the telescopic rod extends to the mold groove of the lower mold and is fixedly connected to a top plate, and the top of the top plate is fixedly connected to the mold cavity.

[0006] Preferably, pressing cylinders are provided on both sides of the top of the processing cover near the back, and the output end of the pressing cylinder extends into the processing cover and is fixedly connected to an upper mold, and a liquid injection pipe is provided on one side of the upper mold and is connected to a liquid delivery device.

[0007] Preferably, a pressure cover is provided at the middle position of the top of the upper mold, and micro pressure sensors are evenly arranged in the pressure cover.

[0008] Preferably, a motor 1 is provided at a middle position of the top of the processing cover close to the front side, and the output end of the motor 1 extends into the processing cover, and a fan is provided on the output shaft of the motor 1 in the processing cover.

[0009] Preferably, a telescopic cylinder is provided on the back side of the processing cover corresponding to the lower side of the upper mold, and the output end of the telescopic cylinder extends into the processing cover and is fixedly connected to a material receiving frame.

[0010] Preferably, cooling pipes are evenly laid in the lower mold, and the water inlet pipes and water outlet pipes of the cooling pipes are both connected to the circulating cooling device.

[0011] Preferably, a second motor is provided at a position on the back of the processing table corresponding to the screw rod, and an output end of the second motor passes through the processing table and is connected to the screw rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the casting mold for processing the turbine shell which is convenient for removing materials, drives the transmission block on the screw rod to move through the second motor, so that the transmission block drives the lower mold to move, so that the lower mold moves stably toward the opening through the action of the transmission block and the slider on the screw rod, and then the telescopic rod can be started to drive the top plate to push out the mold cavity, which is convenient for taking the turbine shell and can reduce the labor intensity of the staff. When the lower mold moves to the bottom of the fan, the first motor can be started to drive the fan to rotate, so that the turbine shell in the lower mold can be cooled for the second time to prevent high temperature burns, and after the upper mold and the lower mold are separated, the telescopic cylinder can be started to drive the material receiving frame to move to the outlet of the injection pipe to prevent the residual metal liquid in the injection pipe from dripping onto the turbine shell, increasing the difficulty of its grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the processing table of the utility model from top view;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the processing cover of the utility model;

[0017] In the figure: 1. processing table; 2. processing cover; 3. upper mold; 4. micro pressure sensor; 5. pressing cylinder; 6. pressure cover; 7. lower mold; 8. mold cavity; 9. top plate; 10. cooling pipe; 11. slider; 12. telescopic rod; 13. transmission block; 14. motor 1; 15. motor 2; 16. telescopic cylinder; 17. slide rod; 18. screw rod; 19. material receiving frame; 20. fan. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides an embodiment: a casting mold for processing a turbine shell that is convenient for stripping, comprising a processing table 1 and a processing cover 2, the processing table 1 is provided with a processing cover 2 on the top, and the front of the processing cover 2 is provided with an opening, and the processing cover 2 is in the shape of a screen, a slot is provided in the middle of the top of the processing table 1, and a screw 18 is provided on one side of the slot in the processing table 1, and a transmission block 13 is provided on the screw 18, a slide bar 17 is provided on the other side of the slot in the processing table 1 parallel to the screw 18, and a slider 11 is provided on the slide bar 17 corresponding to the position of the transmission block 13, and the top of the slider 11 and the transmission block 13 are fixedly connected with a lower mold 7 through the slot, cooling pipes 10 are evenly laid in the lower mold 7, and the water inlet pipe and the water outlet pipe of the cooling pipe 10 are connected to the circulating cooling device, and telescopic rods 1 are provided on both sides of the bottom of the lower mold 7 2, and the output end of the telescopic rod 12 extends to the mold groove of the lower mold 7 and is fixedly connected to the top plate 9, and the top of the top plate 9 is fixedly connected to the mold cavity 8. A motor 2 15 is provided at the position corresponding to the screw 18 on the back of the processing table 1, and the output end of the motor 2 15 passes through the processing table 1 and is connected to the screw 18, so that the cooling pipe 10 in the lower mold 7 cools and forms the turbine shell. After forming, the upper mold 3 is separated from the lower mold 7, and then the motor 2 15 is started to drive the transmission block 13 on the screw 18 to move, so that the transmission block 13 drives the lower mold 7 to move, so that the lower mold 7 is stably moved to the opening through the action of the transmission block 13 and the slider 11 on the screw 18 and the slide bar 17. When it moves to the material taking position, the telescopic rod 12 is started to drive the top plate 9 to eject the mold cavity 8, which is convenient for taking the turbine shell and can reduce the labor intensity of the staff;

[0020] A pressing cylinder 5 is provided on both sides of the top of the processing cover 2 near the back, and the output end of the pressing cylinder 5 extends to the processing cover 2 and is fixedly connected to the upper mold 3, and a liquid injection pipe is provided on one side of the upper mold 3 and is connected to the liquid feeding device. A pressure cover 6 is provided at the middle position of the top of the upper mold 3, and micro pressure sensors 4 are evenly provided in the pressure cover 6, so that the pressing cylinder 5 drives the upper mold 3 to move downward and merge it with the lower mold 7, which is convenient for casting the turbine shell workpiece, and then the micro pressure sensor 4 in the pressure cover 6 senses the size of the downward pressure to prevent excessive pressure from affecting the casting result;

[0021] A motor 14 is provided at the middle position of the top of the processing cover 2 near the front side, and the output end of the motor 14 extends into the processing cover 2, and a fan 20 is provided on the output shaft of the motor 14 in the processing cover 2, so that the lower mold 7 moves to the fan 20, and then the motor 14 can be started to drive the fan 20 to rotate to cool the workpiece in the lower mold 7 for the second time to prevent high temperature burns;

[0022] A telescopic cylinder 16 is provided at the bottom of the upper mold 3 corresponding to the back side of the processing cover 2, and the output end of the telescopic cylinder 16 extends to the processing cover 2 and is fixedly connected to a material receiving frame 19. After the upper mold 3 and the lower mold 7 are separated, the telescopic cylinder 16 can be started to drive the material receiving frame 19 to move to the outlet of the injection pipe to prevent the residual metal liquid in the injection pipe from dripping onto the turbine shell, increasing the difficulty of grinding it.

[0023] When the embodiment of the present application is in use, the transmission block 13 on the screw rod 18 is driven to move by starting the motor 2 15, so that the transmission block 13 drives the lower mold 7 to move, so that the lower mold 7 is stably moved to the upper mold 3 through the action of the transmission block 13 and the slider 11 on the screw rod 18 and the slide bar 17, and stops moving when it moves to the bottom of the upper mold 3. The pressing cylinder 5 can be started to drive the upper mold 3 to move downward, so that it can be merged with the lower mold 7, and then the metal liquid can be injected into the mold through the injection pipe, and then the turbine shell is cooled and formed through the cooling pipe 10 in the lower mold 7. During molding, the heat can be dissipated through the mesh-shaped processing cover 2 to facilitate molding. After molding, the upper mold 3 and the lower mold 7 demoulding, after demoulding, start the motor 2 15 again to drive the lower mold 7 to move to the bottom of the fan 20, start the motor 14 to drive the fan 20 to rotate, which can cool the workpiece in the lower mold 7 for the second time to prevent high temperature burns when taking it. After the second cooling, the motor 2 15 can be restarted to drive the lower mold 7 to move to the material taking place, and the telescopic rod 12 can be started to drive the top plate 9 to push out the mold cavity 8, which is convenient for taking the turbine shell and can reduce the labor intensity of the staff. After the upper mold 3 and the lower mold 7 are separated, the telescopic cylinder 16 can be started to drive the material receiving frame 19 to move to the outlet of the injection pipe to prevent the residual metal liquid in the injection pipe from dripping onto the turbine shell, increasing the difficulty of grinding it.

[0024] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A casting mold for turbine shell processing that is easy to remove, characterized in that: The invention comprises a processing table (1) and a processing cover (2), wherein the processing table (1) is provided with a processing cover (2) on the top, and an opening is provided on the front of the processing cover (2), and the processing cover (2) is in the shape of a screen, a slot is provided in the middle of the top of the processing table (1), and a screw rod (18) is provided on one side of the slot in the processing table (1), and a transmission block (13) is provided on the screw rod (18), and a transmission block (13) is provided on the other side of the slot in the processing table (1) at a position parallel to the screw rod (18) A slide bar (17) is provided, and a slider (11) is provided on the slide bar (17) at a position corresponding to the transmission block (13), and the tops of the slider (11) and the transmission block (13) are fixedly connected to the lower mold (7) through slots, and telescopic rods (12) are provided on both sides of the bottom of the lower mold (7), and the output end of the telescopic rod (12) extends to the mold groove of the lower mold (7) and is fixedly connected to a top plate (9), and the top of the top plate (9) is fixedly connected to the mold cavity (8).

2. A casting mold for machining a turbine shell that is easy to remove according to claim 1, characterized in that: A pressing cylinder (5) is provided on both sides of the top of the processing cover (2) near the back, and the output end of the pressing cylinder (5) extends into the processing cover (2) and is fixedly connected to an upper mold (3), and a liquid injection pipe is provided on one side of the upper mold (3) and is connected to a liquid delivery device.

3. A casting mold for machining a turbine shell that is easy to remove material according to claim 2, characterized in that: A pressure cover (6) is provided at the middle position of the top of the upper mold (3), and micro pressure sensors (4) are evenly arranged inside the pressure cover (6).

4. The casting mold for machining a turbine shell that is convenient for stripping according to claim 1 is characterized in that: A motor (14) is provided at a middle position of the top of the processing cover (2) close to the front side, and the output end of the motor (14) extends into the processing cover (2), and a fan (20) is provided on the output shaft of the motor (14) in the processing cover (2).

5. The casting mold for machining a turbine shell that is convenient for stripping according to claim 1, characterized in that: A telescopic cylinder (16) is provided on the back side of the processing cover (2) corresponding to the lower side of the upper mold (3), and the output end of the telescopic cylinder (16) extends into the processing cover (2) and is fixedly connected to a material receiving frame (19).

6. The casting mold for machining a turbine shell with convenient stripping according to claim 1, characterized in that: Cooling pipes (10) are evenly laid inside the lower mold (7), and the water inlet pipe and the water outlet pipe of the cooling pipe (10) are both connected to a circulating cooling device.

7. The casting mold for machining a turbine shell with convenient stripping according to claim 1, characterized in that: A second motor (15) is provided at a position on the back of the processing table (1) corresponding to the screw rod (18), and an output end of the second motor (15) passes through the processing table (1) and is connected to the screw rod (18).

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