Special tool for machining impeller mandrel

Abstract

The special tool for machining the impeller mandrel comprises a bottom plate, a fixing plate and an adjusting plate are arranged at the two ends of the top of the bottom plate respectively, the fixing plate is fixedly connected with the bottom plate, the adjusting plate is slidably connected with the bottom plate, and the two ends of the top of the fixing plate and the two ends of the top of the adjusting plate are slidably connected with vertical mounting plates. The bottoms of the sides, close to each other, of every two corresponding installation vertical plates are fixedly connected with fixed clamping blocks, and the tops of the sides, close to each other, of every two corresponding installation vertical plates are slidably connected with movable clamping blocks. According to the clamping device, adjustment can be effectively conducted according to mandrels with different diameters, the clamping device is effectively matched with the mandrels with different diameters, then the mandrels with different diameters are clamped and fixed, the clamping stability is guaranteed, and the situation that the diameter of a clamping structure of traditional equipment is fixed, and the mandrels with large diameters cannot be clamped and fixed is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mandrel processing equipment, in particular to a special tool for processing an impeller mandrel. Background Art

[0002] The impeller refers to the wheel disk with moving blades, which is a component of the impulse steam turbine rotor. It can also refer to the general term for the wheel disk and the rotating blades installed on it. Impellers can be classified according to their shape and opening and closing conditions. The mandrel is a shaft used to support rotating parts and only bear bending moments but not transmit torque. The mandrel is a rotating part and is mainly used for assembly with other parts. The mandrel needs to be limited and fixed by clamping tools during processing to facilitate cutting, inspection and other processing operations.

[0003] Reference patent is a quick clamping device for mandrel processing (Announcement No.: CN216326728U), which facilitates automatic adjustment according to the thickness of the mandrel through the cooperation between the clamping seat, the fixing plate, the threaded rod and the clamping plate, thereby effectively avoiding the problem of unstable installation caused by the mandrel being too thick or too thin. However, the mandrel is clamped and fixed by a clamping seat and a clamping plate of fixed diameter. When the diameter of the mandrel is larger than the semi-arc diameter of its clamping seat and the clamping plate, it cannot effectively guarantee the stability of the clamping of the mandrel, and the spacing between the two sets of clamping structures is fixed, which cannot effectively meet the clamping limit of mandrels of different lengths.

[0004] Therefore, a special tooling for machining an impeller core shaft is proposed to solve the above-mentioned problems. Utility Model Content

[0005] The technical solution adopted by the utility model to solve the technical problem is: a special tooling for impeller core shaft processing, including a base plate, a fixed plate and an adjusting plate are respectively arranged at two ends of the top of the base plate, the fixed plate is fixedly connected to the base plate, the adjusting plate is slidably connected to the base plate, both ends of the top of the fixed plate and the adjusting plate are slidably connected to mounting vertical plates, each two corresponding mounting vertical plates are fixedly connected to a fixed clamping block at the bottom on one side close to each other, and each two corresponding mounting vertical plates are slidably connected to a movable clamping block at the top on one side close to each other.

[0006] As a preferred technical solution of the utility model, each of the tops of the inner walls of the mounting vertical plates is fixedly connected to a No. 2 motor, each of the output ends of the No. 2 motor is fixedly connected to a No. 1 screw, each of the bottom ends of the No. 1 screws is rotatably connected to the bottom of the corresponding inner wall of the mounting vertical plates, each of the No. 1 screws is threadedly connected to a slider in the middle, and each of the sliders passes through the corresponding side wall slide grooves of the mounting vertical plates and is fixedly connected to the corresponding movable clamping blocks.

[0007] As a preferred technical solution of the utility model, a protective pad is arranged in the clamping groove of each of the fixed clamping block and the movable clamping block, and each of the protective pads is fixedly connected to the corresponding fixed clamping block and the movable clamping block.

[0008] As a preferred technical solution of the utility model, the ends of the fixed plate and the adjusting plate are fixedly connected to motor No. 1, the two output ends of the motor No. 1 respectively penetrate the corresponding fixed plate and the adjusting plate and are fixedly connected with a bidirectional screw, the two bidirectional screws are rotatably connected to the corresponding fixed plate and the inner wall of the adjusting plate at one end away from motor No. 1, each of the two bidirectional screws is threadedly connected with a transmission block at both ends, each of the transmission blocks penetrates the top slide groove of the corresponding fixed plate and the adjusting plate and is fixedly connected to the bottom of the corresponding mounting vertical plate.

[0009] As a preferred technical solution of the utility model, a servo motor is fixedly connected to the side of the inner wall of the base plate away from the adjustment plate, a No. 2 screw is fixedly connected to the output end of the servo motor, the end of the No. 2 screw away from the servo motor is rotatably connected to the inner wall of the base plate, a guide block is threadedly connected to the middle part of the No. 2 screw, and the guide block passes through the top slide groove of the base plate and is fixedly connected to the bottom of the adjustment plate.

[0010] The utility model has the following advantages: through the setting of the fixed clamp block and the movable clamp block, the utility model can effectively adjust and adjust according to the core shafts of different diameters under the transmission action of the driving structure, effectively adapt to the core shafts of different diameters, and then clamp and fix the core shafts of different diameters and ensure the stability of the clamping, effectively avoiding the situation that the diameter of the clamping structure of traditional equipment is fixed and the core shaft with a larger diameter cannot be clamped and fixed. At the same time, through the setting of the adjustment plate, with the cooperation of the driving structure, the distance between the core shaft and the fixed plate can be effectively adjusted according to the core shaft of different lengths, thereby effectively improving the adaptability and flexibility of the equipment, effectively ensuring the use effect of the equipment, and avoiding the situation that the distance between the two sets of clamping mechanisms of traditional equipment is fixed and cannot be adjusted according to the core shafts of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a cross-sectional structural schematic diagram of a preferred embodiment of the utility model;

[0012] Figure 2 It is a side view cutaway structural schematic diagram of a preferred embodiment of the utility model;

[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of a movable clamping block in a preferred embodiment of the utility model.

[0014] Explanation of the accompanying drawings: 1. Base plate; 2. Fixed plate; 3. Adjustment plate; 4. Mounting vertical plate; 5. Fixed clamp block; 6. Movable clamp block; 7. Protective pad; 8. Motor No. 1; 9. Bidirectional screw; 10. Transmission block; 11. Motor No. 2; 12. Screw No. 1; 13. Slider; 14. Servo motor; 15. Screw No. 2; 16. Guide block. DETAILED DESCRIPTION

[0015] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Example

[0018] Please refer to Figure 1-3 The utility model discloses a special tooling for processing an impeller core shaft, comprising a bottom plate 1, a fixed plate 2 and an adjusting plate 3 are respectively arranged at two ends of the top of the bottom plate 1, the fixed plate 2 is fixedly connected to the bottom plate 1, the adjusting plate 3 is slidably connected to the bottom plate 1, both ends of the tops of the fixed plate 2 and the adjusting plate 3 are slidably connected with mounting vertical plates 4, a fixed clamping block 5 is fixedly connected at the bottom of one side where every two corresponding mounting vertical plates 4 are close to each other, and a movable clamping block 6 is slidably connected at the top of one side where every two corresponding mounting vertical plates 4 are close to each other.

[0019] Among them, each mounting vertical plate 4 is fixedly connected to the top of the inner wall with a No. 2 motor 11, each No. 2 motor 11 output end is fixedly connected to a No. 1 screw 12, each No. 1 screw 12 bottom end is rotatably connected to the corresponding mounting vertical plate 4 inner wall bottom, each No. 1 screw 12 middle part is threadedly connected to a slider 13, each slider 13 passes through the corresponding mounting vertical plate 4 side wall slide groove and is fixedly connected to the corresponding movable clamp 6.

[0020] Wherein, a protective pad 7 is arranged in the clamping groove of each fixed clamping block 5 and each movable clamping block 6 , and each protective pad 7 is fixedly connected to the corresponding fixed clamping block 5 and movable clamping block 6 .

[0021] Among them, the ends of the fixed plate 2 and the adjusting plate 3 are fixedly connected to the No. 1 motor 8, the output ends of the two No. 1 motors 8 respectively penetrate the corresponding fixed plate 2 and the adjusting plate 3 and are fixedly connected with a bidirectional screw 9, the two bidirectional screws 9 are rotatably connected to the corresponding inner walls of the fixed plate 2 and the adjusting plate 3 at one end away from the No. 1 motor 8, and each of the two bidirectional screws 9 is threadedly connected with a transmission block 10 at both ends, and each transmission block 10 penetrates the top slide groove of the corresponding fixed plate 2 and the adjusting plate 3 and is fixedly connected to the bottom of the corresponding mounting vertical plate 4.

[0022] Among them, a servo motor 14 is fixedly connected to the side of the inner wall of the base plate 1 away from the adjustment plate 3, and a No. 2 screw 15 is fixedly connected to the output end of the servo motor 14. The end of the No. 2 screw 15 away from the servo motor 14 is rotatably connected to the inner wall of the base plate 1, and a guide block 16 is threadedly connected to the middle part of the No. 2 screw 15. The guide block 16 passes through the top slide groove of the base plate 1 and is fixedly connected to the bottom of the adjustment plate 3.

[0023] Specifically, when the utility model is used, according to the length of the core shaft, the servo motor 14 is started to drive the No. 2 screw 15 to rotate, so that the guide block 16 drives the adjustment plate 3 and each mounting part thereon to approach or move away from the mounting vertical plate 4, and adjusts the spacing to a suitable length, and then the No. 1 motors 8 are started to drive the corresponding bidirectional screws 9 to rotate, and then the corresponding transmission blocks 10 drive the corresponding mounting vertical plates 4 to move away from or approach each other according to the core shaft diameter. After adjusting to a suitable spacing, the two ends of the core shaft are respectively placed on the corresponding two fixed clamping blocks 5, and then the No. 2 motors 11 are started to drive the corresponding No. 1 screws 12 to move The movable clamping blocks 6 are rotated to move downward, and the core shaft is clamped and fixed in cooperation with the corresponding fixed clamping blocks 5, thereby effectively clamping and fixing core shafts of different diameters and ensuring their stability during clamping. At the same time, the adjustment can be effectively made according to core shafts of different lengths, thereby further improving the flexibility and adaptability of the equipment, avoiding the situation in which traditional equipment cannot effectively guarantee the stability of clamping core shafts with larger diameters, and effectively avoiding the situation in which the distance between the two clamping structures of traditional equipment is fixed and cannot be freely adjusted according to core shafts of different lengths.

[0024] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A special tool for machining an impeller core shaft, comprising a bottom plate (1), characterized in that: A fixed plate (2) and an adjustment plate (3) are respectively provided at two ends of the top of the bottom plate (1); the fixed plate (2) is fixedly connected to the bottom plate (1); the adjustment plate (3) is slidably connected to the bottom plate (1); both ends of the top of the fixed plate (2) and the adjustment plate (3) are slidably connected to mounting vertical plates (4); a fixed clamping block (5) is fixedly connected to the bottom of each two mounting vertical plates (4) close to each other; and a movable clamping block (6) is slidably connected to the top of each two mounting vertical plates (4) close to each other.

2. A special tool for processing an impeller core shaft as claimed in claim 1, characterized in that: A No. 2 motor (11) is fixedly connected to the top of the inner wall of each mounting vertical plate (4); a No. 1 screw rod (12) is fixedly connected to the output end of each No. 2 motor (11); a bottom end of each No. 1 screw rod (12) is rotatably connected to the bottom of the inner wall of the corresponding mounting vertical plate (4); a slider (13) is threadedly connected to the middle of each No. 1 screw rod (12); each slider (13) passes through the corresponding mounting vertical plate (4) side wall slide groove and is fixedly connected to the corresponding movable clamp (6).

3. A special tool for processing an impeller core shaft as claimed in claim 1, characterized in that: A protective pad (7) is provided in the clamping groove of each of the fixed clamping block (5) and the movable clamping block (6), and each of the protective pads (7) is fixedly connected to the corresponding fixed clamping block (5) and the movable clamping block (6).

4. A special tool for processing an impeller core shaft as claimed in claim 1, characterized in that: The ends of the fixed plate (2) and the adjusting plate (3) are fixedly connected to a No. 1 motor (8); the output ends of the two No. 1 motors (8) respectively penetrate the corresponding fixed plate (2) and the adjusting plate (3) and are fixedly connected to a bidirectional screw rod (9); the ends of the two bidirectional screw rods (9) away from the No. 1 motor (8) are rotatably connected to the inner walls of the corresponding fixed plate (2) and the adjusting plate (3); both ends of each bidirectional screw rod (9) are threadedly connected to a transmission block (10); each transmission block (10) penetrates the top slide groove of the corresponding fixed plate (2) and the adjusting plate (3) and is fixedly connected to the bottom of the corresponding mounting vertical plate (4).

5. The special tooling for machining an impeller mandrel according to claim 1, characterized in that: A servo motor (14) is fixedly connected to the inner wall of the bottom plate (1) at one side away from the adjustment plate (3); a No. 2 screw rod (15) is fixedly connected to the output end of the servo motor (14); an end of the No. 2 screw rod (15) away from the servo motor (14) is rotatably connected to the inner wall of the bottom plate (1); a guide block (16) is threadedly connected to the middle part of the No. 2 screw rod (15); the guide block (16) passes through the top slide groove of the bottom plate (1) and is fixedly connected to the bottom of the adjustment plate (3).

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