CN117226548A

CN117226548A - Cutting fixture for turbine impeller

Info

Publication number: CN117226548A
Application number: CN202311489300.6A
Authority: CN
Inventors: 于东亮; 张玉民; 杨浩; 张辰辰
Original assignee: Shandong Yongneng Power Technology Co ltd
Current assignee: Shandong Yongneng Power Technology Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2023-12-15
Anticipated expiration: 2043-11-10
Also published as: CN117226548B

Abstract

The utility model discloses a cutting fixture for a turbine impeller, and relates to the technical field of impeller processing equipment. According to the utility model, two movable frames are symmetrically arranged at one end of the striker plate, one sides of the two movable frames, which are close to each other, are respectively and rotatably connected with a pneumatic chuck, the outer walls of one ends of the two movable frames are sleeved with a movable frame, the movable frame is transversely and slidably connected with the striker plate, an adjusting mechanism is arranged at one end of the striker plate and positioned at the middle position of the two movable frames, and the adjusting mechanism is used for enabling the upper surfaces of blades of different types and the axle center of the pneumatic chucks to be in the same horizontal line; the bottom of adjustment mechanism is provided with conveying mechanism, conveying mechanism is used for driving adjustment mechanism to carry out the displacement. The utility model is provided with the adjusting mechanism, so that the blades can be automatically taken and replaced, and the blades with different types can be efficiently processed, thereby further improving the processing efficiency of the blades.

Description

Cutting fixture for turbine impeller

Technical Field

The utility model relates to the technical field of impeller processing equipment, in particular to a cutting fixture for a turbine impeller.

Background

The turbine is also called a steam turbine engine, is a rotary steam power device, high-temperature and high-pressure steam is sprayed onto blades after passing through a fixed nozzle to become accelerated airflow, so that a rotor provided with a blade row rotates and simultaneously does work outwards, the turbine is main equipment of a modern thermal power plant and is also used in metallurgical industry, chemical industry and ship power devices, an impeller not only refers to a wheel disc provided with movable blades, but also refers to a component part of an impulse turbine rotor, and can also refer to the sum of the wheel disc and the rotating blades arranged on the wheel disc, and the impeller can be classified according to the shape and the opening and closing conditions.

In the existing steam turbine, the parts such as the blades are sequentially molded in the processing process by the injection molding mode, then the parts are polished, finally fixed and assembled through welding, and when the parts are polished, the blades are usually placed between two air chucks through manpower due to different types of the blades, then the blades are fixed through the air chucks which are close to each other, and then the blades are polished by the grinding heads matched with the rotatable air chucks, but in the process, the sizes of the blades are greatly different according to different types, so that the air chucks can be difficult to carry and difficult to clamp when clamping the end parts of the blades of different types, and clamping dislocation can not be used for accurately clamping the fixed blades by using different tools to carry or adding cushion blocks to assist the existing clamp structure, so that the problems of large workload, labor consumption and time consumption can be caused, and processing precision can not be guaranteed are caused.

In order to further improve the clamping and positioning efficiency of the blades, a cutting fixture of a turbine impeller is provided.

Disclosure of Invention

The utility model aims at: in order to achieve the purpose of improving the clamping and positioning efficiency of the blades, the cutting fixture of the turbine impeller is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cutting fixture comprises a striker plate, wherein two movable frames are symmetrically arranged at one end of the striker plate, pneumatic chucks are rotatably connected to one sides of the two movable frames, which are close to each other, of the two movable frames, a movable frame is sleeved on the outer wall of one end of each movable frame, the movable frame is transversely and slidably connected with the striker plate, an adjusting mechanism is arranged at one end of the striker plate and positioned at the middle position of each movable frame, and the adjusting mechanism is used for enabling the upper surfaces of blades of different types to be in the same horizontal line with the axle center of each pneumatic chuck; the bottom end of the adjusting mechanism is provided with a conveying mechanism which is used for driving the adjusting mechanism to displace;

the adjusting mechanism comprises: the limiting assembly and the positioning assembly; the positioning assembly is arranged at one end of the striker plate and positioned between the two moving frames and is used for extruding and positioning blades of different types; the limiting component is used for limiting the blades of different models.

As still further aspects of the utility model: the positioning assembly comprises: the lifting seat is arranged at one end of the striker plate and positioned between the two movable frames, a ratchet gear is arranged on one side of the lifting seat, a positioning tooth block is connected with the outer wall of the ratchet gear in a meshed mode, a connecting sliding rod is integrally formed at the top end of the positioning tooth block, a fixed sleeve plate fixedly connected with the lifting seat is sleeved on the outer wall of the connecting sliding rod, a connecting baffle plate contacted with the upper surface of the fixed sleeve plate is integrally formed at the top end of the connecting sliding rod, a second bevel gear positioned inside the lifting seat is fixedly connected with one side of the ratchet gear through a connecting shaft, a first bevel gear is connected with the outer wall of the second bevel gear in a meshed mode, a second lifting screw rod and a limiting rod are symmetrically arranged inside the lifting seat, the second lifting screw rod is connected with the lifting seat in a rotating mode through a rotating shaft, the connecting shaft is fixedly connected with the first lifting seat, the limiting rod is fixedly connected with the lifting seat in a sleeved mode, the outer wall of the second lifting screw rod and the limiting rod is sleeved with the lifting sleeve block in a sliding mode up-down mode, the inner wall of the lifting sleeve block is provided with an inner thread of the second lifting screw rod, and the inner thread of the lifting sleeve block is in a sliding mode, and the lifting clamp is connected with the lifting seat in a sliding mode between the second bevel gear and the lifting seat is fixedly connected with the lifting seat.

As still further aspects of the utility model: the limiting component comprises: the lifting device comprises a lifting seat, a lifting rod, a first lifting screw rod, a limiting snap ring, a positioning baffle, a second spring and a positioning spring, wherein the lifting screw rod is rotatably connected to one end of the top end of the lifting seat through a rotating shaft, the limiting snap ring is sleeved on the outer wall of the first lifting screw rod, the positioning baffle is sleeved on the outer wall of the limiting snap ring, one end fixedly connected with of the bottom end of the positioning baffle is connected with a movable sliding rod in a sliding mode and connected with the lifting seat in an up-down sliding mode, the limiting baffle is integrally formed in the bottom end of the movable sliding rod, one side of the positioning baffle is longitudinally and slidably connected with a movable pulling plate, one side of the movable pulling plate is integrally formed with a positioning clamping block which is longitudinally and slidably connected with the positioning baffle, the positioning clamping block penetrates through the positioning baffle to the inside of the limiting snap ring, one end, away from the limiting snap ring, of the positioning clamping block is provided with the second spring, and two end parts of the second spring are respectively contacted with the outer wall of the positioning clamping block and the inner wall of the positioning baffle.

As still further aspects of the utility model: the conveying mechanism comprises: the fixed seat is arranged below the lifting seat, a sliding rail is integrally formed at the top end of the fixed seat, a driving motor is installed at one end of the fixed seat, which is far away from the striker plate, a conveying screw rod is fixedly connected with an output end of the driving motor, the conveying screw rod is rotationally connected with the fixed seat through a rotating shaft, a movable seat sleeved on the outer wall of the sliding rail is arranged above the fixed seat, a movable push plate is sleeved on the outer wall of the conveying screw rod, the movable push plate is positioned inside the movable seat and is longitudinally and slidably connected with the sliding rail, an internal thread which is mutually matched with the outer wall thread of the conveying screw rod is formed in the inner wall of the movable push plate, a second rack penetrating through one end of the movable seat is integrally formed at the top end of the movable push plate, a second spur gear is connected with an upper surface of the second rack in a meshed mode, one side of the second spur gear is fixedly connected with a connecting rotating shaft, one side of the connecting shaft, which is far away from the second spur gear, the first spur gear is fixedly connected with the outer wall of the movable seat through the rotating shaft, the movable push plate is fixedly connected with a first spur gear, the first lifting plate penetrates through the movable seat and the lifting motor, the second rack penetrates through the movable clamp plate is fixedly connected with the lifting plate, and is positioned at one end of the movable clamp plate, and is fixedly connected with the lifting plate, and is located at the lifting plate.

As still further aspects of the utility model: the outer wall of the connecting sliding rod is sleeved with a first spring, and two end parts of the first spring are respectively contacted with the outer walls of the fixed sleeve plate and the positioning tooth block.

As still further aspects of the utility model: the ratchet gear is far away from one side of the lifting seat and the top end of the first lifting screw rod are fixedly connected with knobs, and inner threads which are mutually matched with the outer wall threads of the first lifting screw rod are formed in the inner wall of the limiting snap ring.

As still further aspects of the utility model: the upper and lower surfaces of spacing snap ring all are round platform form, set up the gliding arc spout of confession spacing snap ring on the positioning baffle, the appearance of removing the arm-tie is T word form, the one end outer wall that the positioning fixture block kept away from the second spring is symmetrical inclined plane form.

As still further aspects of the utility model: the upper surface of fixed dog is the inclined plane form, the extrusion face that coincides each other with the outer wall of fixed dog is seted up to the lower surface of lift clamp plate, set up the opening that supplies the second rack to slide on the lift clamp plate.

As still further aspects of the utility model: the appearance of spacing slide is T word form, the removal spout that supplies spacing slide, mobile baffle to go up and down is seted up on the removal seat.

As still further aspects of the utility model: the ball is installed towards one end of the second rack to the movable baffle, two lifting sliding plates fixedly connected with the lifting seat are symmetrically connected with the outer wall of the movable seat in a up-down sliding mode, and a linear sliding groove for lifting the lifting sliding plate is formed in the movable seat.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the regulating mechanism is arranged, the blade is placed on the upper surface of the flexible clamp, then the blade can be limited by the limiting component, the ratchet gear is driven to rotate by the rotating knob, meanwhile, the blade is processed by the lifting sleeve block, the second lifting screw rod, the first bevel gear, the limiting rod, the movable slide rod, the second bevel gear, the ratchet gear, the positioning tooth block, the first spring, the connecting slide rod, the fixed sleeve plate and the connecting baffle, the upper surface of the blade and the upper surface of the lifting seat are positioned on the same horizontal line, then the plurality of columnar fingers on the flexible clamp are self-locked by the locking structure, the blade is conveyed between the two movable frames by the conveying mechanism, the first servo motor is started to clamp and fix the end part of the blade by the bidirectional screw rod and the movable frame, so that the blade is automatically clamped and fixed, then the conveying mechanism is reversely operated, after the blade is processed, the operation is repeated, the blade is automatically taken and replaced, the unprocessed blade is placed on the upper surface of the flexible clamp, the same model line as the flexible clamp is not relieved, the self-locking fingers can be used for carrying the blade on the same model line, and the same model can be processed on the surface of the same model, and different model lines can be processed, and the surface of the blade can be processed further and different.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view illustrating an inner structure of a lifting seat according to the present utility model;

FIG. 3 is a schematic view of a connection structure between a positioning baffle and a first lift screw according to the present utility model;

FIG. 4 is a schematic view of a movable seat according to the present utility model;

FIG. 5 is a schematic view of a portion of the structure of the conveying mechanism of the present utility model;

FIG. 6 is a schematic view of the structure of the present utility model shown in FIG. 2, partially enlarged at A;

fig. 7 is a schematic view of a partial enlarged structure at B in fig. 3 according to the present utility model.

In the figure: 1. a striker plate; 2. an adjusting mechanism; 201. positioning a baffle; 202. moving the pulling plate; 203. a first lifting screw rod; 204. a limiting snap ring; 205. lifting the sleeve block; 206. a second lifting screw rod; 207. a lifting seat; 208. a flexible clamp; 209. a first bevel gear; 2010. a limit rod; 2011. moving the slide bar; 2012. a second bevel gear; 2013. a ratchet gear; 2014. positioning the tooth block; 2015. a first spring; 2016. connecting a slide bar; 2017. fixing the sleeve plate; 2018. a connecting baffle; 2019. a second spring; 2020. positioning a clamping block; 3. a conveying mechanism; 301. a first rack; 302. the connecting rotating shaft; 303. a first straight gear; 304. a driving motor; 305. a fixing seat; 306. conveying screw rods; 307. a slide rail; 308. moving the push plate; 309. a fixed stop block; 3010. a limit sliding plate; 3011. a second rack; 3012. a lifting pressing plate; 3013. moving the baffle; 3014. a second spur gear; 3015. a movable seat; 3016. a lifting slide plate; 4. an air chuck; 5. a moving frame; 6. a moving rack; 7. a first servo motor; 8. a two-way screw rod; 9. a second servo motor; 10. and a third servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1 to 7, in an embodiment of the utility model, a cutting fixture for a turbine impeller includes a striker plate 1, two moving frames 6 are symmetrically disposed at one end of the striker plate 1, one sides of the two moving frames 6, which are close to each other, are respectively connected with an air chuck 4 in a rotating manner, and one end outer wall of the two moving frames 6 is sleeved with a moving frame 5. The inside of the movable frame 5 is rotatably provided with a bidirectional screw rod 8, and one end of the bidirectional screw rod 8 penetrating out of the movable frame is provided with a first servo motor 7. The ends of the two movable frames 6 are sleeved on the bidirectional screw rod through screw holes. The movable frame 5 is transversely and slidably connected with the striker plate 1. One end of the striker plate 1 and the middle position of the two movable frames 6 are provided with an adjusting mechanism 2, and the adjusting mechanism 2 is used for enabling the upper surfaces of blades of different types to be in the same horizontal line with the axle center of the air chuck 4. The bottom of adjustment mechanism 2 is provided with conveying mechanism 3, and conveying mechanism 3 is used for driving adjustment mechanism 2 to carry out the displacement.

The adjusting mechanism 2 comprises: the limiting assembly and the positioning assembly; the positioning assembly is arranged at one end of the striker plate 1 and positioned between the two moving frames 6 and is used for extruding and positioning blades of different types; the limiting component is used for limiting the blades of different models.

The locating component comprises: the lifting seat 207 is arranged at one end of the stop plate 1 and positioned between the two moving frames 6, a ratchet gear 2013 is arranged on one side of the lifting seat 207, a positioning tooth block 2014 is connected to the outer wall of the ratchet gear 2013 in a meshed mode, a connecting sliding rod 2016 is integrally formed at the top end of the positioning tooth block 2014, a fixed sleeve plate 2017 fixedly connected with the lifting seat 207 is sleeved on the outer wall of the connecting sliding rod 2016, a connecting baffle 2018 in contact with the upper surface of the fixed sleeve plate 2017 is integrally formed at the top end of the connecting sliding rod 2016, a second bevel gear 2012 is fixedly connected to one side of the ratchet gear 2013 and positioned in the lifting seat 207 through a connecting shaft, a first bevel gear 209 is connected to the outer wall of the second bevel gear 2012 in a meshed mode, a second lifting screw 206 and a limiting rod 2010 are symmetrically arranged in the lifting seat 207, the second lifting screw 206 is fixedly connected with the first bevel gear 209 through a connecting shaft, the limiting rod 2010 is fixedly connected with the lifting seat 207 through a connecting shaft, lifting sleeve block 205 which is in sliding connection with the upper and lower side of the lifting seat 207, one side of the lifting sleeve block 205 is provided with a second lifting sleeve plate 206 which is in sliding connection with the inner wall of the lifting seat 20155, and the inner wall of the second lifting seat 205 is provided with a flexible clamp 2014, and the inner wall of the lifting sleeve block is in sliding connection with the second bevel gear 20155 is in a sliding connection with the lifting seat 2015.

The spacing subassembly is including: the first lifting screw 203 is rotationally connected to one end of the top end of the lifting seat 207 through a rotating shaft, the outer wall of the first lifting screw 203 is sleeved with the limiting snap ring 204, the upper surface of the lifting seat 207 is provided with the positioning baffle 201 sleeved on the outer wall of the first lifting screw 203 and the limiting snap ring 204, one end of the bottom end of the positioning baffle 201 is fixedly connected with the movable slide bar 2011 which is connected with the lifting seat 207 in a sliding manner up and down, the bottom end of the movable slide bar 2011 is integrally provided with the limiting baffle, one side of the positioning baffle 201 is longitudinally and slidably connected with the movable pull plate 202, one side of the movable pull plate 202 is integrally provided with the positioning clamp block 2020 which is longitudinally and slidably connected with the positioning baffle 201, the positioning clamp block 2020 penetrates through the positioning baffle 201 to the inside of the limiting snap ring 204, one end of the positioning clamp block 2020, which is far away from the limiting snap ring 204, is provided with the second spring 2019, two end parts of the second spring 2019 are respectively contacted with the outer wall of the positioning clamp block 2020 and the inner wall of the positioning baffle 201, one side of the ratchet gear 2013 which is far away from the lifting seat 207 and the top end of the first lifting screw 203 are fixedly connected with a knob, and the inner wall of the limiting snap ring 204 is provided with internal threads which are mutually matched with the outer wall of the first lifting screw 203.

In this embodiment: when the device is used, the blade is placed on the upper surface of the flexible clamp 208, at this time, the blade extrudes columnar fingers at the top of the flexible clamp 208 under the weight of the blade, then the movable sliding rod 2011 is used as an axle center to rotate the positioning baffle 201 to sleeve the outer walls of the first lifting screw 203 and the limiting clamp ring 204, meanwhile, the movable clamp plate 202 is pulled to drive the positioning clamp block 2020 to extrude the second spring 2019 to shrink, after the positioning baffle 201 completely sleeves the limiting clamp ring 204 and the first lifting screw 203, the movable clamp plate 202 is loosened at this time, and meanwhile, the second spring 2019 pushes the movable clamp plate 202 to clamp the limiting clamp ring 204 through rebound, so that convenient clamping and butt joint of the positioning baffle 201 and the limiting clamp ring 204 can be realized.

Then, the knob is turned to drive the ratchet gear 2013 to rotate, meanwhile, the positioning tooth block 2014 pushes the connecting sliding rod 2016 to slide along the inner wall of the fixed sleeve plate 2017 under the extrusion of the ratchet gear 2013, the connecting baffle 2018 is pushed by the connecting sliding rod 2016 to synchronously move, at the moment, the positioning tooth block 2014 compresses through moving and extruding the first spring 2015, when the next tooth slot of the ratchet gear 2013 moves to the lower side of the positioning tooth block 2014, at the moment, the first spring 2015 pushes the positioning tooth block 2014 to clamp the ratchet gear 2013 through rebounding, and at the same time, the connecting baffle 2018 is reset under the driving of the positioning tooth block 2014 through the connecting sliding rod 2016, so that the ratchet gear 2013 is limited in rotation.

At this time, the second bevel gear 2012 is driven by the ratchet gear 2013, the first bevel gear 209 is engaged to drive the first bevel gear 209 to rotate, at this time, the first bevel gear 209 drives the second lifting screw 206 to rotate through the connecting shaft, meanwhile, the flexible clamp 208 is driven by the lifting sleeve block 205 through the threads of the second lifting screw 206, the flexible clamp is lifted along the inner wall of the lifting seat 207 and the outer wall of the limiting rod 2010, at this time, a plurality of columnar fingers of the flexible clamp 208 can be completely attached to the outer wall of the blade through the blocking of the positioning baffle 201, when the flexible clamp 208 cannot move, the first lifting screw 203 is driven by the rotating knob to synchronously rotate, in this process, the limiting clamp ring 204 is driven by the threads of the first lifting screw 203 and the clamping limit of the positioning clamp block 2020, the positioning baffle 201 is driven to lift along the outer wall of the first lifting screw 203, meanwhile, the sliding rod 2011 is driven by the positioning baffle 201 to synchronously move along the inner wall of the lifting seat 207 until the upper surface of the blade and the upper surface of the lifting seat 207 are on the same horizontal line, then, the plurality of columnar fingers on the flexible clamp 208 can be completely attached to the outer wall of the blade through the blocking structure, when the flexible clamp 208 cannot move, the positioning clamp 202 is pulled to be separated from the clamping block 2020, the corresponding positioning clamp 204 can be separated from the first lifting clamp 201, and the type of the sliding clamp can be formed to be matched with the axial limit mechanism, and the type of the sliding clamp 201 can move to the limiting clamp can be matched with the type of the sliding mechanism. The blade can be conveyed to the position between the two movable frames 6 through the conveying mechanism 3, and then the first servo motor 7 is started to enable the two-way screw rod 8 to drive the two movable frames 6 to approach the blade, and meanwhile the end part of the blade is clamped and fixed through the air chuck 4.

The conveyor 3 is then operated in reverse so that the adjustment mechanism 2 and conveyor 3 are remote from the blade to facilitate the machining operation on the blade. When the blade is processed, the operation is repeated, so that the blade can be automatically taken out, and then the blade is replaced. In the process, the unprocessed blade is placed on the upper surface of the flexible clamp 208, and meanwhile, the columnar fingers which do not release self-locking through the flexible clamp 208 can limit and support the blade of the same model, when the blade of different models is processed, the upper surface of the blade and the upper surface of the lifting seat 207 can be positioned on the same horizontal line through the adjusting mechanism 2, so that the efficient processing of the blade of different models can be realized, and the processing efficiency of the blade can be further improved.

The conveying mechanism 3 comprises: the fixed seat 305 arranged below the lifting seat 207, the sliding rail 307 is integrally formed at the top end of the fixed seat 305, the driving motor 304 is arranged at one end of the fixed seat 305 far away from the striker plate 1, the output end of the driving motor 304 is fixedly connected with the conveying screw rod 306, the conveying screw rod 306 is rotationally connected with the fixed seat 305 through a rotating shaft, the moving seat 3015 sleeved on the outer wall of the sliding rail 307 is arranged above the fixed seat 305, the outer wall of the conveying screw rod 306 is sleeved with the movable push plate 308, the movable push plate 308 is positioned in the moving seat 3015 and longitudinally and slidingly connected with the sliding rail 307, the inner wall of the movable push plate 308 is provided with internal threads which are mutually matched with the threads of the outer wall of the conveying screw rod 306, the top end of the movable push plate 308 is integrally formed with a second rack 3011 penetrating to the outer part of one end of the moving seat 3015, the upper surface of the second rack 3011 is in meshed connection with a second spur gear 3014, one side of the second spur gear 3014 is fixedly connected with the connecting rotating shaft 302, the first straight gear 303 is fixedly connected to one side of the connecting rotating shaft 302 far away from the second straight gear 3014, the first straight gear 303 and the second straight gear 3014 are both connected with the moving seat 3015 in a rotating way through the rotating shaft, the first rack 301 is connected with the outer wall of the first straight gear 303 in a meshed way, the first rack 301 penetrates through the moving seat 3015 to be fixedly connected with the lifting seat 207, one end of the fixed seat 305 far away from the driving motor 304 is integrally formed with a fixed stop block 309, the upper surface of the fixed stop block 309 is provided with a lifting pressing plate 3012 positioned at the outer side of the second rack 3011, one end of the lifting pressing plate 3012 is symmetrically formed with two limiting sliding plates 3010 which are connected with the moving seat 3015 in a vertical sliding way, one end of the lifting pressing plate 3012 is integrally formed with a moving baffle 3013 penetrating into the moving seat 3015, the moving baffle 3013 is positioned above the second rack 3011, the upper surface of the fixed stop block 309 is in an inclined plane shape, the lower surface of the lifting pressing plate 3012 is provided with an extrusion surface which is matched with the outer wall of the fixed stop block 309, the lifting pressing plate 3012 is provided with an opening for the sliding of the second rack 3011, the appearance of the limiting slide 3010 is T-shaped, and the moving seat 3015 is provided with a moving chute for the lifting of the limiting slide 3010 and the moving baffle 3013.

In this embodiment: the conveying screw rod 306 is driven to rotate by starting the driving motor 304, at this time, the movable pushing plate 308 is driven by the screw thread of the conveying screw rod 306 to push the second rack 3011 to move in the inner cavity of the movable base 3015, meanwhile, the movable baffle 3013 is pushed by the second rack 3011 to push the lifting pressing plate 3012 to drive the limiting slide plate 3010 to move, meanwhile, the movable base 3015 is driven by the limiting slide plate 3010 to move along the outer wall of the sliding rail 307, at this time, the lifting base 207 is driven by the movable base 3015 to synchronously move upwards through the first rack 301 and the lifting slide plate 3016, and blades can be conveyed between the two movable frames 6.

When the lifting pressing plate 3012 contacts with the outer wall of the fixed stop 309, at this time, the lifting pressing plate 3012 drives the limiting slide plate 3010 to ascend along the inner wall of the moving seat 3015 under the blocking of the fixed stop 309 through the pressing surface, meanwhile, the moving baffle 3013 is driven by the lifting pressing plate 3012 to ascend synchronously, after the moving baffle 3013 is completely misplaced with the second rack 3011 through ascending, at this time, the second rack 3011 is driven by the moving push plate 308 to move towards the outside of the moving seat 3015 through the opening of the lifting pressing plate 3012, meanwhile, the second spur gear 3014 is driven by the meshing of the second rack 3011, the first spur gear 303 drives the first spur gear 303 to synchronously rotate through the connecting rotating shaft 302, meanwhile, the first rack 301 drives the lifting seat 207 to vertically ascend until the blade enters the clamping space of the two-side air chucks 4, at the same time, the lifting slide plate 3016 is driven by the lifting seat 207 to slide along the inner wall of the moving seat 3015, the lifting limiting position can be lifted, and then the first servo motor 7 is started to drive the two moving racks 6 to move towards the end parts of the blade to clamp the blade to be close to the end part of the air chucks 4.

After the blades are clamped and fixed, the driving motor 304 drives the conveying screw rod 306 to drive the movable pushing plate 308 to reset, meanwhile, the second rack 3011 is driven by the movable pushing plate 308 to reset, at the moment, the lifting seat 207 and the flexible clamp 208 can be vertically lowered through the first rack 301, the connecting rotating shaft 302, the first straight gear 303 and the second straight gear 3014, so that the flexible clamp 208 and the blades can be separated from each other, and then the movable seat 3015 is driven by the movable pushing plate 308 to move and reset, so that the blades can be machined and operated conveniently. When the blade is processed, the operation is repeated, so that the blade can be automatically taken out, and then the blade is replaced. In the process, the unprocessed blade is placed on the upper surface of the flexible clamp 208, and meanwhile, the columnar fingers which do not release self-locking of the flexible clamp 208 can limit and support the blades of the same model; when blades of different types are processed, the upper surface of the blade and the upper surface of the lifting seat 207 can be positioned on the same horizontal line through the adjusting mechanism 2, so that the blades of different types can be processed efficiently, and the processing efficiency of the blades can be further improved.

As a preferred embodiment of the present utility model, the upper and lower surfaces of the limiting snap ring 204 are both in a shape of a truncated cone, the positioning baffle 201 is provided with an arc chute for sliding the limiting snap ring 204, the shape of the moving pull plate 202 is in a T shape, and the outer wall of one end of the positioning fixture block 2020, which is far away from the second spring 2019, is in a symmetrical inclined plane shape.

In this embodiment: through being the outer wall of round platform form, can make the positioning baffle 201 use the removal slide bar 2011 as the pivoted in-process of axle center, cup joint the outer wall of spacing snap ring 204 through the arc spout, simultaneously through being the outer wall of symmetrical inclined plane form, can make the inside that removes the arm-tie 202 and insert spacing snap ring 204 accurately.

As a preferred embodiment of the present utility model, the end part of the movable baffle 3013 facing the second rack 3011 is provided with a ball, the outer wall of the movable base 3015 is symmetrically connected with two lifting slide plates 3016 fixedly connected with the lifting base 207 in a up-down sliding manner, and the movable base 3015 is provided with a linear chute for lifting the lifting slide plates 3016.

In this embodiment: friction force between the second rack 3011 and the moving baffle 3013 can be effectively reduced through the balls, so that abrasion of end faces of the second rack 3011 and the moving baffle 3013 is avoided.

In this embodiment, a first servo motor 7 is installed on one side of the moving frame 5, and the output end of the first servo motor 7 is fixedly connected with a bidirectional screw rod 8 in threaded connection with two moving frames 6, meanwhile, a second servo motor 9 is installed on one side of the striker plate 1, and the output end of the second servo motor 9 is fixedly connected with a displacement screw rod, while the bottom end of the moving frame 5 is fixedly connected with a moving plate in threaded connection with the displacement screw rod and in transverse sliding connection with the striker plate 1, and the sides, far away from each other, of the two moving frames 6 are all installed with a third servo motor 10, and the output end of the third servo motor 10 is fixedly connected with the pneumatic chuck 4, the bottom end of the moving frame 6 is installed with a roller, a plurality of slidable columnar fingers are arranged on the flexible clamp 208, and the flexible clamp 208 is provided with a locking structure for locking the columnar fingers (the flexible clamp 208 is a flexible clamp capable of realizing floating clamping, and the structure and using method thereof are described in the chinese patent with publication No. CN216178431U, and the following details are omitted).

When the device is used, the blades are placed on the upper surface of the flexible clamp 208, at the moment, the blades extrude columnar fingers at the top of the flexible clamp 208 under the action of self weight, then the movable sliding rod 2011 is used as an axle center to rotate the positioning baffle 201 to sleeve the outer walls of the first lifting screw 203 and the limiting clamp ring 204, meanwhile, the movable clamp plate 202 is pulled to drive the positioning clamp block 2020 to extrude the second spring 2019 to shrink, after the positioning baffle 201 completely sleeves the limiting clamp ring 204 and the first lifting screw 203, the movable clamp plate 202 is loosened at the moment, and meanwhile, the second spring 2019 pushes the movable clamp plate 202 to clamp the limiting clamp ring 204 through rebound, so that convenient clamping butt joint of the positioning baffle 201 and the limiting clamp ring 204 can be realized.

Then, the knob is turned to drive the ratchet gear 2013 to rotate, meanwhile, the positioning tooth block 2014 pushes the connecting sliding rod 2016 to slide along the inner wall of the fixed sleeve plate 2017 under the extrusion of the ratchet gear 2013, the connecting baffle 2018 is pushed by the connecting sliding rod 2016 to synchronously move, at the moment, the positioning tooth block 2014 compresses through moving and extruding the first spring 2015, when the next tooth slot of the ratchet gear 2013 moves to the lower side of the positioning tooth block 2014, at the moment, the first spring 2015 pushes the positioning tooth block 2014 to clamp the ratchet gear 2013 through rebounding, and at the same time, the connecting baffle 2018 is reset under the driving of the positioning tooth block 2014 through the connecting sliding rod 2016, so that the rotation of the ratchet gear 2013 is limited.

Simultaneously, the second bevel gear 2012 is driven by the ratchet gear 2013 to be meshed with and drive the first bevel gear 209 to rotate, at the moment, the first bevel gear 209 drives the second lifting screw rod 206 to rotate through a connecting shaft, meanwhile, the flexible clamp 208 is driven by the lifting sleeve block 205 through the threads of the second lifting screw rod 206 to ascend along the inner wall of the lifting seat 207 and the outer wall of the limiting rod 2010, at the moment, a plurality of columnar fingers of the flexible clamp 208 can be completely attached to the outer wall of the blade through the blocking of the positioning baffle 201, when the flexible clamp 208 cannot move, the first lifting screw rod 203 is driven by the rotating knob to synchronously rotate, and under the driving of the threads of the first lifting screw rod 203 and the clamping limit of the positioning clamp block 2020 in the process, the positioning baffle 201 is driven to rise along the outer wall of the first lifting screw 203, meanwhile, the movable slide bar 2011 is driven by the positioning baffle 201 to synchronously move along the inner wall of the lifting seat 207 until the upper surface of the blade and the upper surface of the lifting seat 207 are positioned on the same horizontal line, then the plurality of columnar fingers on the flexible clamp 208 are self-locked through the locking structure, the movable pull plate 202 is pulled to release the clamping of the positioning clamping block 2020 and the limiting clamping ring 204, the movable slide bar 2011 is used as an axis to rotate the positioning baffle 201, the first lifting screw 203 and the limiting clamping ring 204 to be separated from each other, and therefore the blade with the specified model can be adjusted and limited.

Then, the driving motor 304 is started to drive the conveying screw rod 306 to rotate, at this moment, the movable pushing plate 308 is driven by the screw thread of the conveying screw rod 306 to push the second rack 3011 to move in the inner cavity of the movable base 3015, meanwhile, the movable baffle 3013 is pushed by the second rack 3011 to push the lifting pressing plate 3012 to drive the limiting slide plate 3010 to move, at the same time, the movable base 3015 is driven by the limiting slide plate 3010 to move along the outer wall of the sliding rail 307, at this moment, the lifting base 207 is driven by the movable base 3015 to synchronously move upwards through the first rack 301 and the lifting slide plate 3016, and therefore blades can be conveyed between the two movable frames 6.

When the lifting pressing plate 3012 contacts with the outer wall of the fixed stop 309, at this time, the lifting pressing plate 3012 drives the limiting slide plate 3010 to ascend along the inner wall of the moving seat 3015 under the blocking of the fixed stop 309 through the pressing surface, meanwhile, the moving baffle 3013 is driven by the lifting pressing plate 3012 to ascend synchronously, after the moving baffle 3013 is completely misplaced with the second rack 3011 through ascending, at this time, the second rack 3011 is driven by the moving push plate 308 to move towards the outside of the moving seat 3015 through the opening of the lifting pressing plate 3012, meanwhile, the second spur gear 3014 is driven by the meshing of the second rack 3011, the first spur gear 303 is driven by the meshing of the first spur gear 303, meanwhile, the first rack 301 drives the lifting seat 207 to vertically ascend, until the upper surface of the lifting seat 207 and the axis of the pneumatic chuck 4 are in the same horizontal line, at the same time, the lifting slide plate 3016 is driven by the lifting seat 207 to slide along the inner wall of the moving seat 3015, the lifting and limiting the lifting seat 207 can be lifted, and then the first servo motor 7 is started to drive the two bidirectional servo motor 8 to drive the two blade frames to move towards the end of the pneumatic chuck 4 through connecting shaft 302, so that the blade frames can be clamped to automatically and clamped to the end part of the blade frame.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a cutting frock clamp of steam turbine impeller, includes striker plate (1), the one end symmetry of striker plate (1) is provided with two and removes frame (6), two it is all rotated and is connected with air chuck (4) to remove one side that frame (6) are close to each other, two the one end outer wall of removing frame (6) has cup jointed and has removed frame (5), remove frame (5) and striker plate (1) horizontal sliding connection, a serial communication port, the one end of striker plate (1) just is located two and removes frame (6) intermediate position department and is provided with adjustment mechanism (2), adjustment mechanism (2) are used for making the upper surface of different model blades and the axle center of air chuck (4) be in same horizontal line; the bottom end of the adjusting mechanism (2) is provided with a conveying mechanism (3), and the conveying mechanism (3) is used for driving the adjusting mechanism (2) to displace;

the adjusting mechanism (2) comprises: the limiting assembly and the positioning assembly; the positioning assembly is arranged at one end of the striker plate (1) and positioned between the two moving frames (6) and is used for extruding and positioning blades of different types; the limiting component is used for limiting the blades of different models.

2. The cutting tool assembly of claim 1, wherein the positioning assembly comprises: the lifting seat (207) arranged at one end of the striker plate (1) and positioned between the two movable frames (6), a ratchet gear (2013) is arranged at one side of the lifting seat (207), a positioning tooth block (2014) is connected with the outer wall of the ratchet gear (2013) in a meshed manner, a connecting sliding rod (2016) is integrally formed at the top end of the positioning tooth block (2014), a fixed sleeve plate (2017) fixedly connected with the lifting seat (207) is sleeved on the outer wall of the connecting sliding rod (2016), a connecting baffle plate (2018) contacted with the upper surface of the fixed sleeve plate (2017) is integrally formed at the top end of the connecting sliding rod (2016), a second bevel gear (2012) positioned inside the lifting seat (207) is fixedly connected to one side of the ratchet gear (2012) through a connecting shaft, a first bevel gear (209) is connected with the outer wall of the second bevel gear (2012) in a meshed manner, a second lifting lead screw (206) and a limiting rod (2010) are symmetrically arranged inside the lifting seat (207), the second lifting lead screw (206) is fixedly connected with the lifting seat (2010) through a rotating shaft and the lifting seat (207) through a connecting shaft and the first bevel gear (2010) fixedly connected with the limiting rod (2010), an inner wall of the lifting sleeve block (205) is provided with an inner thread which is matched with the outer wall thread of the second lifting screw rod (206), and a flexible clamp (208) which is connected with the lifting seat (207) in a vertical sliding way and fixedly connected with the lifting sleeve block (205) is arranged between the second lifting screw rod (206) and the limiting rod (2010).

3. The cutting tool fixture of a turbine wheel of claim 2, wherein the limiting assembly comprises: the lifting device comprises a lifting seat (207), a first lifting screw (203) which is rotatably connected to one end of the top end of the lifting seat (207) through a rotating shaft, a limiting clamping ring (204) is sleeved on the outer wall of the first lifting screw (203), a positioning baffle (201) which is sleeved on the outer wall of the first lifting screw (203) and the limiting clamping ring (204) is arranged on the upper surface of the lifting seat (207), a movable sliding rod (2011) which is fixedly connected to one end of the bottom end of the positioning baffle (201) and is vertically and slidably connected with the lifting seat (207), a limiting baffle is integrally formed at the bottom end of the movable sliding rod (2011), a movable pulling plate (202) is longitudinally and slidably connected to one side of the positioning baffle (201), a positioning clamping block (2020) is integrally formed with the positioning clamping block (201) which is longitudinally and slidably connected with the positioning baffle, one end of the positioning clamping block (2020) is far away from the inner wall of the positioning clamping ring (201), and two ends of the second spring (2019) are respectively contacted with the inner wall of the positioning clamping block (2020).

4. A cutting tool holder for a turbine wheel according to claim 2, characterized in that the conveying means (3) comprises: the fixed seat (305) of setting in elevating seat (207) below, the top integrated into one piece of fixed seat (305) has slide rail (307), driving motor (304) are installed to the one end that striker plate (1) was kept away from to fixed seat (305), the output fixedly connected with of driving motor (304) carries lead screw (306), carry lead screw (306) through pivot and fixed seat (305) rotation connection, the top of fixed seat (305) is provided with and cup joints movable seat (3015) at slide rail (307) outer wall, movable push plate (308) have been cup jointed to the outer wall of carrying lead screw (306), movable push plate (308) are located the inside of movable seat (3015), and with slide rail (307) longitudinal sliding connection, the internal thread that coincide each other with the outer wall screw thread of carrying lead screw (306) is seted up to the inner wall of movable push plate (308), the top integrated into one piece of movable push plate (308) has a second rack (3011) that runs through to the outside of movable seat (3015), the upper surface engagement of second rack (3011) is connected with second straight gear (3014), the second gear (3014) is connected to the first side (3014), straight gear (303) is kept away from the fixed connection, straight gear (303) are connected to one side (3014) The second spur gear (3014) is connected with the rotation of remove seat (3015) through the pivot, the outer wall meshing of first spur gear (303) is connected with first rack (301), first rack (301) run through remove seat (3015) and lift seat (207) fixed connection, the one end integrated into one piece that driving motor (304) was kept away from to fixing base (305) has fixed dog (309), the upper surface of fixed dog (309) is provided with lift clamp plate (3012) that are located the outside of second rack (3011), the one end symmetrical shaping of lift clamp plate (3012) has two spacing slide (3010) with the upper and lower sliding connection of removing seat (3015), the one end integrated into one piece of lift clamp plate (3012) has and runs through to remove baffle (3013) inside to remove seat (3015), it is located the top of second rack (3011).

5. The cutting tool fixture of the turbine impeller according to claim 2, wherein the outer wall of the connecting sliding rod (2016) is sleeved with a first spring (2015), and two end parts of the first spring (2015) are respectively contacted with the outer walls of the fixed sleeve plate (2017) and the positioning tooth block (2014).

6. The cutting fixture of the turbine impeller according to claim 3, wherein a knob is fixedly connected to one side of the ratchet gear (2013) away from the lifting seat (207) and the top end of the first lifting screw (203), and an internal thread which is mutually matched with the external thread of the first lifting screw (203) is formed on the inner wall of the limiting snap ring (204).

7. The cutting fixture for the turbine impeller according to claim 3, wherein the upper surface and the lower surface of the limiting snap ring (204) are both in a shape of a circular table, an arc chute for sliding the limiting snap ring (204) is formed in the positioning baffle (201), the shape of the moving pull plate (202) is in a shape of a T, and the outer wall of one end of the positioning fixture block (2020) far away from the second spring (2019) is in a shape of a symmetrical inclined plane.

8. The cutting tool fixture of the turbine impeller according to claim 4, wherein the upper surface of the fixed stop block (309) is in an inclined plane shape, the lower surface of the lifting pressing plate (3012) is provided with an extrusion surface which is mutually matched with the outer wall of the fixed stop block (309), and the lifting pressing plate (3012) is provided with an opening for the second rack (3011) to slide.

9. The cutting fixture of the turbine impeller of claim 4, wherein the limiting slide plate (3010) is in a T shape, and the moving seat (3015) is provided with a moving chute for lifting the limiting slide plate (3010) and the moving baffle plate (3013).

10. The cutting fixture of the turbine impeller according to claim 4, wherein balls are mounted at one end part of the movable baffle (3013) facing the second rack (3011), two lifting slide plates (3016) fixedly connected with the lifting seat (207) are symmetrically and slidably connected up and down on the outer wall of the movable seat (3015), and a linear chute for lifting the lifting slide plates (3016) is formed in the movable seat (3015).