CN218746248U - Three-tooth arc moving blade machining tool - Google Patents
Three-tooth arc moving blade machining tool Download PDFInfo
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- CN218746248U CN218746248U CN202222322220.9U CN202222322220U CN218746248U CN 218746248 U CN218746248 U CN 218746248U CN 202222322220 U CN202222322220 U CN 202222322220U CN 218746248 U CN218746248 U CN 218746248U
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Abstract
The utility model relates to a tridentate circular arc moving blade processing frock, its characterized in that: the device comprises a base, a first clamp, a thimble module and a tooth socket limiting clamping block; the technical head at one end of the three-tooth arc moving blade is clamped in the vertical direction through a first clamp on the base, the technical head at the other end of the three-tooth arc blade root moving blade is tightly propped through the thimble module, and after the tooth profile machining is finished, the tooth profile structure of the three-tooth arc moving blade is clamped through the tooth slot limiting clamping block; the first clamp structure can be removed, and a tooth-groove wedge-shaped surface is formed by the tooth-groove pressing block and the three-tooth arc blade root moving blade to process the blade root part of the three-tooth arc blade root moving blade; the fixture structure can be used for rapidly clamping the three-tooth arc blade root moving blade, and is high in positioning efficiency and positioning precision.
Description
Technical Field
The utility model relates to a steam turbine moving blade processing technology field especially relates to a tridentate circular arc moving blade processing frock.
Background
The three-tooth arc moving blades are arranged in the steam turbine and are distributed in a circular shape, so that blade root parts of the three-tooth arc moving blades are in an arc structure and are attached to the inner wall of an outer frame of the steam turbine; the side edge of the blade root in the three-tooth arc moving blade is provided with a three-tooth-shaped clamping groove structure to ensure the stable limit of the moving blade; the three-tooth arc moving blade has more arc surfaces and transition curved surfaces; therefore, in the actual processing process of the three-tooth arc moving blade, the three-tooth arc moving blade is not finished by one-time clamping; the reciprocating adjustment process steps and seriously reduces the production efficiency of the moving blade with the three-tooth arc blade root, and leads to the reduction of the processing precision; particularly, when the arc-shaped structure of the blade root is machined in the last process of the three-tooth arc moving blade, the clamping structure is easy to deviate in the radial direction.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a tridentate circular arc moving blade processing frock, the profile of tooth processing that can solve general tridentate circular arc blade root moving blade and the process head cutting of outline need many times fix a position the processing and have the problem that the clamping deviation leads to the machining precision to reduce.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a three tooth circular arc moving blade processing frocks, its innovation point lies in: the device comprises a base, a first clamp, a thimble module and a tooth socket limiting clamping block;
the base is of a cuboid plate-shaped structure, and a first clamp and a thimble module are respectively arranged at positions, close to two ends, of the length direction of the upper surface of the base; a first guide groove for mounting a first clamp is formed in the upper surface of the base; second guide grooves for mounting tooth socket limiting clamping blocks are respectively arranged at the positions, close to the first clamp, of the upper surface of the base in the width direction and at the two sides of the first clamp;
the first clamp comprises a first guide block, a clamp support platform, a guide pillar and a pressing plate; the first guide block is matched with the first guide groove of the base; the clamp support platform is arranged on the upper surface of the first guide block, the edge of the clamp support platform extends out of the upper surface of the first guide block, a positioning bolt hole is formed in the clamp support platform, and the clamp support platform is connected with the base through the positioning bolt; the guide post is vertically arranged on the clamp supporting platform, the pressing plate is provided with a guide hole matched with the guide post, and the pressing plate and the clamp supporting platform are both provided with a pressing bolt hole; the clamp supporting table is connected with the pressing plate through the pressing bolt, so that the blade root technological table of the three-tooth arc moving blade is pressed on the clamp supporting table;
the ejector pin module is fixedly arranged on the upper surface of the base and comprises an ejector pin unit, an ejector pin column, a connecting screw rod and a turntable; the ejector pin column is vertically arranged on the upper surface of the base, and a jacking threaded hole is formed in the position, close to the top end, of the ejector pin column along the horizontal direction; the thimble unit is arranged at one end of the connecting screw rod, and the turntable is arranged at the other end of the connecting screw rod; the ejector pin unit is tightly ejected on the three-tooth arc moving blade shroud process table by the matching of the connecting screw rod and the ejecting threaded hole at the top end of the ejector pin column;
the tooth socket limiting clamping blocks are provided with a pair and comprise second guide blocks and tooth socket pressing blocks; the second guide block is matched with a second guide groove on the base, the tooth socket pressing block is positioned on the upper surface of the second guide block, the tooth socket pressing block is connected with the second guide block through a connecting plate, the side edge of the connecting plate extends out of the upper surface of the second guide block, a bolt hole is formed in the connecting plate, and the second guide block is fixed in the second guide groove through a bolt; the tooth groove pressing block is provided with a latch structure matched with the profile of the three teeth on the three-tooth arc-shaped blade root moving blade, and the lower surface of the tooth groove pressing block is provided with a supporting plate, so that the three-tooth arc-shaped blade root moving blade is clamped from the side edge.
Furthermore, the second guide groove is obliquely arranged on the base, and the central line of the second guide groove and the central line of the base in the width direction form an acute included angle.
The utility model has the advantages that:
1) In the utility model, the process head at one end of the three-tooth arc moving blade is clamped in the vertical direction by the first clamp on the base, the process head at the other end of the three-tooth arc moving blade is tightly propped by the thimble module, and after the tooth profile processing is finished, the tooth profile structure of the three-tooth arc moving blade is clamped by the tooth socket limiting clamping block; the first clamp structure can be removed, and a tooth socket wedge surface is formed by the tooth socket pressing block and the three-tooth arc blade root moving blade to process the blade root part of the three-tooth arc blade root moving blade; by adopting the tool structure, the three-tooth arc blade root moving blade can be clamped quickly, and the positioning efficiency and the positioning accuracy are high.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a local main view of a structure of a three-tooth arc blade root moving blade machining tool of the present invention.
Fig. 2 is a schematic structural view of a three-tooth arc blade root moving blade machining tool in a top view.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 and 2 show a three-tooth arc moving blade machining tool, which comprises a base 1, a first clamp 2, a thimble module 3 and a tooth socket limiting clamping block 4.
The base 1 is of a cuboid plate-shaped structure, and a first clamp 2 and a thimble module 3 are respectively arranged at positions close to two ends of the length direction of the upper surface of the base 1; a first guide groove for installing the first clamp 2 is formed in the upper surface of the base 1; the width direction of the upper surface of the base 1 is close to the position of the first clamp 2 and two sides of the first clamp 2 are respectively provided with a second guide groove for installing a tooth socket limiting clamping block 4.
The first clamp 2 comprises a first guide block 21, a clamp support platform 22, a guide post 23 and a pressure plate 24; the first guide block 21 is matched with the first guide groove of the base; the clamp support table 22 is arranged on the upper surface of the first guide block 21, the edge of the clamp support table extends out of the upper surface of the first guide block 21, a positioning bolt hole is formed in the clamp support table 22, and the clamp support table 22 is connected with the base 1 through the positioning bolt; the guide post 23 is vertically arranged on the clamp supporting platform 22, a guide hole matched with the guide post 23 is formed in the pressing plate 24, and pressing bolt holes are formed in the pressing plate 24 and the clamp supporting platform 22; the clamp support table 22 is connected with the pressure plate 24 through the pressure bolt to press the blade root technological table of the three-tooth arc moving blade on the clamp support table 22.
The thimble module 3 is fixedly arranged on the upper surface of the base 1, and the thimble module 3 comprises a thimble unit 31, a thimble column 32, a connecting screw 33 and a turntable 34; the thimble column 32 is vertically arranged on the upper surface of the base 1, and a jacking threaded hole is arranged at the position, close to the top end, of the thimble column 32 along the horizontal direction; the thimble unit 31 is arranged at one end of the connecting screw rod 33, and the turntable is arranged at the other end of the connecting screw rod 33; the connection screw 33 is matched with a tightly-jacking threaded hole at the top end of the thimble column 32 to tightly jack the thimble unit 31 at the processing table of the three-tooth arc moving blade shroud.
The tooth socket limiting clamping blocks 4 are provided with a pair, and each tooth socket limiting clamping block 4 comprises a second guide block 41 and a tooth socket pressing block 42; the second guide block 41 is matched with a second guide groove on the base 1, the tooth space pressing block 42 is positioned on the upper surface of the second guide block 41, the tooth space pressing block 42 is connected with the second guide block 41 through a connecting plate, the side edge of the connecting plate extends out of the upper surface of the second guide block, a bolt hole is formed in the connecting plate, and the second guide block 41 is fixed in the second guide groove through a bolt; the tooth groove pressing block 42 is provided with a latch structure matched with the profile of the three teeth on the three-tooth arc blade root moving blade, and the lower surface of the tooth groove pressing block 42 is provided with a supporting plate, so that the three-tooth arc blade root moving blade is clamped from the side edge.
The second guide groove is arranged on the base in an inclined manner, and the central line of the second guide groove and the central line of the base in the width direction form an acute included angle.
The utility model discloses a theory of operation is: the process head at one end of the three-tooth arc moving blade is clamped in the vertical direction through a first clamp on the base, the process head at the other end of the three-tooth arc moving blade is tightly propped through the ejector pin module, and after the tooth profile processing is finished, the tooth profile structure of the three-tooth arc moving blade is clamped through the tooth slot limiting clamping block; the first clamp structure can be removed, and a tooth-groove wedge-shaped surface is formed by the tooth-groove pressing block and the three-tooth arc blade root moving blade to process the blade root part of the three-tooth arc blade root moving blade; the fixture structure can be used for rapidly clamping the three-tooth arc blade root moving blade, and is high in positioning efficiency and positioning precision.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a three tooth circular arc moving blade processing frocks which characterized in that: the device comprises a base, a first clamp, a thimble module and a tooth socket limiting clamping block;
the base is of a cuboid plate-shaped structure, and a first clamp and a thimble module are respectively arranged at positions, close to two ends, of the length direction of the upper surface of the base; a first guide groove for mounting a first clamp is formed in the upper surface of the base; second guide grooves for mounting tooth socket limiting clamping blocks are respectively formed in the width direction of the upper surface of the base, close to the first clamp and on two sides of the first clamp;
the first clamp comprises a first guide block, a clamp support platform, a guide column and a pressing plate; the first guide block is matched with the first guide groove of the base; the clamp support table is arranged on the upper surface of the first guide block, the edge of the clamp support table extends out of the upper surface of the first guide block, a positioning bolt hole is formed in the clamp support table, and the clamp support table is connected with the base through a positioning bolt; the guide post is vertically arranged on the clamp supporting table, the pressing plate is provided with a guide hole matched with the guide post, and the pressing plate and the clamp supporting table are both provided with a pressing bolt hole; the clamp supporting table is connected with the pressing plate through the pressing bolt, so that the blade root technological table of the three-tooth arc moving blade is pressed on the clamp supporting table;
the ejector pin module is fixedly arranged on the upper surface of the base and comprises an ejector pin unit, an ejector pin column, a connecting screw rod and a turntable; the ejector pin column is vertically arranged on the upper surface of the base, and a jacking threaded hole is formed in the position, close to the top end, of the ejector pin column along the horizontal direction; the thimble unit is arranged at one end of the connecting screw rod, and the turntable is arranged at the other end of the connecting screw rod; the connecting screw rod is matched with a tightly-jacking threaded hole at the top end of the ejector pin column to tightly jack the ejector pin unit at the three-tooth arc moving blade shroud process table;
the tooth socket limiting clamping blocks are provided with a pair and comprise second guide blocks and tooth socket pressing blocks; the second guide block is matched with a second guide groove on the base, the tooth socket pressing block is positioned on the upper surface of the second guide block, the tooth socket pressing block is connected with the second guide block through a connecting plate, the side edge of the connecting plate extends out of the upper surface of the second guide block, a bolt hole is formed in the connecting plate, and the second guide block is fixed in the second guide groove through a bolt; the tooth groove pressing block is provided with a latch structure matched with the profile of the three teeth on the three-tooth arc-shaped blade root moving blade, and the lower surface of the tooth groove pressing block is provided with a supporting plate, so that the three-tooth arc-shaped blade root moving blade is clamped from the side edge.
2. The tooling for machining the three-tooth arc moving blade according to claim 1, wherein: the second guide groove is obliquely arranged on the base, and the central line of the second guide groove and the central line of the base in the width direction form an acute included angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222322220.9U CN218746248U (en) | 2022-09-01 | 2022-09-01 | Three-tooth arc moving blade machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222322220.9U CN218746248U (en) | 2022-09-01 | 2022-09-01 | Three-tooth arc moving blade machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218746248U true CN218746248U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222322220.9U Active CN218746248U (en) | 2022-09-01 | 2022-09-01 | Three-tooth arc moving blade machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218746248U (en) |
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2022
- 2022-09-01 CN CN202222322220.9U patent/CN218746248U/en active Active
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