CN221232050U - Processing tool for curve type blade with rotating shaft - Google Patents
Processing tool for curve type blade with rotating shaft Download PDFInfo
- Publication number
- CN221232050U CN221232050U CN202323025041.XU CN202323025041U CN221232050U CN 221232050 U CN221232050 U CN 221232050U CN 202323025041 U CN202323025041 U CN 202323025041U CN 221232050 U CN221232050 U CN 221232050U
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- rotating shaft
- clamping
- blade
- curve
- cylindrical pin
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- 238000003754 machining Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 7
- 238000003801 milling Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a processing tool for a curve-shaped blade with a rotating shaft, which relates to the technical field of blade processing and comprises a clamping plate, wherein a unthreaded hole and a cylindrical pin are arranged on the clamping plate, the unthreaded hole is arranged in the center of the clamping plate, the cylindrical pin is perpendicular to the clamping plate, and the distance between the cylindrical pin and the unthreaded hole is larger than the distance between the rotating shaft of a curve-shaped blade blank and one end, which is close to the curve-shaped blade blank, of the curve-shaped blade blank; the blade blank is characterized by further comprising a hexagonal flange face nut used for locking the curved blade blank on the chuck. The problem that in the prior art, the processing capacity and the processing cost of a machine tool are limited, and a curve type blade with a rotating shaft is often used for casting a blade type and then processing the rotating shaft is solved.
Description
Technical Field
The utility model relates to the technical field of blade processing, in particular to a processing tool for a curve type blade with a rotating shaft.
Background
The fluid machinery is machinery for converting energy by taking fluid as working medium, under the condition that the energy crisis is increasingly serious, the fluid machinery is gradually developed towards the direction of energy conservation and high efficiency, the shape of a blade in the fluid machinery is the most effective component which is most difficult to process and most effective on the safety of the whole machine, under the aim of pursuing energy efficient conversion, the high-efficiency blade calculated by CFD is always curved (such as circular arc, triangle and wing), and in order to ensure that the fluid machinery is always in a high-efficiency area under variable working conditions, the technology of blades with variable geometric structures (adjustable guide vanes, adjustable diffuser blades, adjustable nozzle rings and vector nozzles) is also vigorously developed. Many efficient impeller machines have curved blades with shafts.
The curved blade with the rotating shaft is often cast into a blade shape and then the rotating shaft is machined, and the surface of the cast blade is not subjected to precision machining, so that the yield of the blade is very low. The rough blade surface affects the flow field distribution, which can lose the split efficiency; in addition, cast blades often fail to meet the designed strength requirements due to casting defects, which can affect the safety of the overall machine operation.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a processing tool for a curve-shaped blade with a rotating shaft, which solves the problems that the processing capability and the processing cost of a machine tool are limited in the prior art, and the curve-shaped blade with the rotating shaft is often cast to form a blade shape and then the rotating shaft is processed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The processing tool for the curve type blade with the rotating shaft comprises a clamping plate, wherein a unthreaded hole and a cylindrical pin are arranged on the clamping plate, the unthreaded hole is arranged in the center of the clamping plate, the cylindrical pin is perpendicular to the clamping plate, and the distance between the cylindrical pin and the unthreaded hole is larger than the distance between the rotating shaft of the curve type blade blank and the end, close to the curve type blade blank, of the curve type blade blank;
The blade blank is characterized by further comprising a hexagonal flange face nut used for locking the curved blade blank on the chuck.
Preferably, the clamping disc comprises a front clamping disc portion and a rear clamping disc portion, the unthreaded hole penetrates through the front clamping disc portion and the rear clamping disc portion in sequence, one end of the cylindrical pin is fixedly arranged in the front clamping disc portion, the other end of the cylindrical pin is located at one side, far away from the rear clamping disc portion, of the front clamping disc portion, an electric telescopic rod is arranged in the rear clamping disc portion, and the telescopic end of the electric telescopic rod is fixedly connected with the front clamping disc portion.
Preferably, one side of the back clamping disc part, which is close to the front clamping disc part, is provided with a first chute, one end of the cylindrical pin, which is positioned in the front clamping disc part, is provided with a second chute, and the back clamping disc part further comprises a guide rod, two ends of the guide rod are respectively and slidably connected in the first chute and the second chute, two ends of the guide rod are fixedly connected with sliding blocks, two ends of the guide rod are respectively sleeved with a first spring, and the two first springs are respectively positioned in the first chute and the second chute.
Preferably, the rotating shaft is provided with external threads, and the hexagonal flange face nut is provided with internal threads matched with the external threads on the rotating shaft.
Preferably, a plurality of contact plates are arranged on the periphery of the hexagonal flange face nut.
Preferably, the periphery of the hexagonal flange face nut is uniformly and fixedly provided with a fixing rod, an extension rod is connected to the fixing rod in a sliding manner along the length direction of the fixing rod, the extension rod is fixedly connected with the contact plate, a second spring is sleeved on the extension rod, and the second spring is located between the fixing rod and the contact plate.
Compared with the prior art, the utility model has the beneficial effects that:
After the rotating shaft of the curve-shaped blade blank with the rotating shaft passes through the unthreaded hole on the chuck, the hexagonal flange face nut is screwed on the rotating shaft of the curve-shaped blade blank with the rotating shaft, so that the curve-shaped blade blank with the rotating shaft can be locked on the chuck, and the curve-shaped blade with the rotating shaft can be manufactured by directly adopting forging blank batch processing. The processed blade has smooth surface and high strength, and can improve the efficiency and safety of the fluid machinery.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic view of a curved blade blank with a rotating shaft.
Fig. 2 is a side partial cross-sectional view of the present utility model in use.
Fig. 3 is a schematic front view of the present utility model in use.
Fig. 4 is a schematic structural view of a hexagonal flange face nut of the present utility model.
In the above figures: 1. mounting a chuck; 11. a front clamping disc part; 12. a rear clamping disc part; 121. a first chute; 2. a cylindrical pin; 21. a second chute; 3. a hexagonal flange face nut; 4. an electric telescopic rod; 5. a guide rod; 6. a slide block; 7. a first spring; 8. a contact plate; 91. a fixed rod; 92. an extension rod; 93. and a second spring.
Detailed Description
In order to make the technical means, creation characteristics, achievement of the purpose and function of the present utility model more clear and easy to understand, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and embodiments.
As shown in fig. 2 to 4, a processing tool for a curve blade with a rotating shaft comprises a clamping disc 1, wherein a light hole and a cylindrical pin 2 are arranged on the clamping disc 1, the light hole is arranged in the center of the clamping disc 1, the cylindrical pin 2 is perpendicular to the clamping disc 1, and the distance between the cylindrical pin 2 and the light hole is larger than the distance between the rotating shaft of a curve blade blank and one end of the curve blade blank, which is close to the rotating shaft; and the clamping disc further comprises a hexagonal flange face nut 3 for locking the curved blade blank on the clamping disc 1.
As shown in fig. 1, which is a schematic structural diagram of a curved blade blank with a rotating shaft, when a machining tool is used for machining, the rotating shaft of the curved blade blank passes through a unthreaded hole, the curved blade blank is rotated to enable one surface of the curved blade blank to be abutted against a cylindrical pin 2, namely, a position located on the right side of the cylindrical pin 2 in fig. 3, then the curved blade blank is locked on a clamping disc 1 by a hexagonal flange surface nut 3, the whole tool is clamped on a milling machine, and a pressure surface or a suction surface of the curved blade is machined by a cylindrical milling cutter or a ball head milling cutter. After the machining is finished, the hexagonal flange face nut 3 is loosened, the curved blade blank with the milled pressure face is rotated around the rotating shaft for one circle until the blade pressure face abuts against the cylindrical pin 2, namely, the position on the left side of the cylindrical pin 2 in fig. 3, the curved blade blank with the milled pressure face is locked on the clamping disc 1 by the hexagonal flange face nut 3 again, and the suction face of the curved blade is machined by a cylindrical milling cutter or a ball head milling cutter. After milling, the whole curved blade with the rotating shaft is machined. The curve type blade with the rotating shaft is manufactured by directly adopting the forging blank for batch processing, and has the advantages of short processing period, low processing cost and high qualification rate. The processed blade has smooth surface and high strength, and can improve the efficiency and safety of the fluid machinery. The distance between the cylindrical pin 2 and the unthreaded hole is larger than the distance between the rotating shaft of the curved blade blank and the end, which is closer to the curved blade blank, of the curved blade blank, so that the curved blade blank can conveniently rotate around the rotating shaft.
Specifically, an external thread is arranged on the rotating shaft, and an internal thread matched with the external thread on the rotating shaft is arranged on the hexagonal flange face nut 3.
For being applicable to the pivot of different length to locking curve formula blade blank, set up clamping dish 1 to including preceding clamping dish portion 11 and back clamping dish portion 12, the unthreaded hole runs through preceding clamping dish portion 11 and back clamping dish portion 12 in proper order, cylindric lock 2 one end is fixed to be set up in preceding clamping dish portion 11 and the other end is located the one side that clamping dish portion 11 kept away from back clamping dish portion 12 before, be provided with electric telescopic handle 4 in the clamping dish portion 12 after, electric telescopic handle 4's flexible end and preceding clamping dish portion 11 fixed connection. According to the length of the rotating shaft, the distance between the rear clamping disc part 12 and the front clamping disc part 11 is adjusted by controlling the expansion and contraction of the electric telescopic rod 4, so that the length of the rotating shaft penetrating out of the rear clamping disc part 12 is controlled, and the curved blade blank is tightly locked on the clamping disc 1 by tightening the hexagonal flange face nut 3.
Further, a first sliding groove 121 is formed in one side, close to the front clamping chuck 11, of the rear clamping disc 12, a second sliding groove 21 is formed in one end, located in the front clamping disc 11, of the cylindrical pin 2, and the rear clamping disc further comprises a guide rod 5, two ends of the guide rod 5 are respectively and slidably connected in the first sliding groove 121 and the second sliding groove 21, sliding blocks 6 are fixedly connected to two ends of the guide rod 5, first springs 7 are respectively sleeved at two ends of the guide rod 5, and the two first springs 7 are respectively located in the first sliding groove 121 and the second sliding groove 21. The guide rod 5 is arranged to play a role in limiting the relative displacement of the front clamping disc part 11 and the rear clamping disc part 12, so that the connection stability between the front clamping disc part 11 and the rear clamping disc part 12 is improved. Specifically, the two sliding blocks 6 are respectively slidably connected in the first sliding groove 121 and the second sliding groove 21, and when the front clamping chuck 11 and the rear clamping disk 12 are far away from each other, the first spring 7 is compressed, so that acting forces in opposite directions are generated, the force for moving the front clamping chuck 11 and the rear clamping disk 12 in opposite directions is provided, and the stability of connection is improved.
Further, a plurality of contact plates 8 are arranged on the periphery of the hexagonal flange face nut 3, and the contact plates 8 are arranged, so that the contact area between the hexagonal flange face nut and the clamping disc 1 is increased, and the curved blade blank can be locked better; specifically, the periphery of the hexagonal flange face nut 3 is uniformly fixed with a fixing rod 91, an extension rod 92 is slidably connected to the fixing rod 91 along the length direction of the fixing rod 91, the extension rod 92 is fixedly connected with the contact plate 8, a second spring 93 is sleeved on the extension rod 92, and the second spring 93 is located between the fixing rod 91 and the contact plate 8.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a take processing frock of curve type blade of pivot which characterized in that: the novel blade blank clamping device comprises a clamping disc (1), wherein a unthreaded hole and a cylindrical pin (2) are arranged on the clamping disc (1), the unthreaded hole is arranged in the center of the clamping disc (1), the cylindrical pin (2) is perpendicular to the clamping disc (1), and the distance between the cylindrical pin (2) and the unthreaded hole is larger than the distance between a rotating shaft of a curve-type blade blank and one end, which is close to the curve-type blade blank, of the rotating shaft;
the device also comprises a hexagonal flange face nut (3) for locking the curved blade blank on the clamping disc (1).
2. The tooling for machining a curved blade with a rotating shaft as claimed in claim 1, wherein: the rotating shaft is provided with external threads, and the hexagonal flange face nut (3) is provided with internal threads matched with the external threads on the rotating shaft.
3. The tooling for machining the curved blade with the rotating shaft as claimed in claim 2, wherein: clamping dish (1) is including preceding dress chuck part (11) and back clamping dish portion (12), the unthreaded hole runs through preceding clamping dish portion (11) and back clamping dish portion (12) in proper order, cylindric lock (2) one end is fixed to be set up in preceding clamping chuck part (11) and the other end is located the one side that clamping dish portion (11) kept away from back clamping dish portion (12) before, be provided with electric telescopic handle (4) in back clamping dish portion (12), the flexible end and preceding clamping dish portion (11) fixed connection of electric telescopic handle (4).
4. A tooling for machining a curved blade with a rotating shaft as claimed in claim 3, wherein: one side that clamping disk portion (12) is close to preceding clamping disk portion (11) is provided with first spout (121), and cylindric lock (2) are located the one end of clamping disk portion (11) before and are equipped with second spout (21), still include a guide bar (5), the both ends of guide bar (5) sliding connection respectively in first spout (121), second spout (21), the equal fixedly connected with slider (6) in both ends of guide bar (5), the both ends of guide bar (5) all overlap and are equipped with first spring (7), and two first spring (7) are located first spout (121), second spout (21) respectively.
5. The tooling for machining the curved blade with the rotating shaft as claimed in claim 2, wherein: the periphery of the hexagonal flange face nut (3) is provided with a plurality of contact plates (8).
6. The tooling for machining the curved blade with the rotating shaft as set forth in claim 5, wherein: the hexagonal flange face nut (3) periphery has evenly set firmly dead lever (91), and along length direction sliding connection of dead lever (91) have extension rod (92) on dead lever (91), extension rod (92) with contact plate (8) fixed connection, the cover is equipped with second spring (93) on extension rod (92), and second spring (93) are located between dead lever (91) and contact plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025041.XU CN221232050U (en) | 2023-11-08 | 2023-11-08 | Processing tool for curve type blade with rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025041.XU CN221232050U (en) | 2023-11-08 | 2023-11-08 | Processing tool for curve type blade with rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221232050U true CN221232050U (en) | 2024-06-28 |
Family
ID=91597063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323025041.XU Active CN221232050U (en) | 2023-11-08 | 2023-11-08 | Processing tool for curve type blade with rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221232050U (en) |
-
2023
- 2023-11-08 CN CN202323025041.XU patent/CN221232050U/en active Active
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