CN210360756U - Numerical control abrasive belt grinding machine with turbine blade clamping device - Google Patents
Numerical control abrasive belt grinding machine with turbine blade clamping device Download PDFInfo
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- CN210360756U CN210360756U CN201921381884.4U CN201921381884U CN210360756U CN 210360756 U CN210360756 U CN 210360756U CN 201921381884 U CN201921381884 U CN 201921381884U CN 210360756 U CN210360756 U CN 210360756U
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- blade body
- splint
- numerical control
- grinding machine
- clamping device
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- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model discloses a numerical control abrasive band grinding machine with steam turbine blade clamping device, including grinding the platform and arranging the blade body of grinding the bench end in, grind the soft cushion of upper end fixedly connected with of platform, and the lower extreme and the soft cushion contact of blade body, the both sides of blade body all are equipped with splint, one side veneer that splint are close to the blade body has the tight pad of clamp, one side that the blade body was kept away from to splint is equipped with two pairs of fixed blocks, one side that the blade body was kept away from to splint is equipped with actuating mechanism. The utility model discloses a plurality of servo pneumatic cylinder's flexible end stretches out respectively for the upper and lower both sides of splint extend respectively, closely offset with the blade body until pressing from both sides tight pad, and pressure sensor transmits the pressure value to display instrument and in suitable within range, alright carry out the multiple spot to the both sides of blade body and exert pressure, and stable clamp is tight, and convenient to use is swift.
Description
Technical Field
The utility model relates to the technical field of machine tools, especially, relate to a numerical control abrasive band grinding machine with steam turbine blade clamping device.
Background
The manufacturing accuracy and surface roughness of the turbine blade profile have a critical impact on the performance and efficiency of the overall energy conversion device. In order to improve the energy conversion efficiency of the steam turbine and reduce energy consumption, and obtain larger output power by using smaller volume, the design of the blade profile is developed from a straight surface to an inclined surface.
At present, a numerical control abrasive belt grinding machine is generally adopted to process the blade, when the blade is clamped by the existing numerical control abrasive belt grinding machine every time, a hydraulic cylinder is adopted to directly pressurize, different blade tenon clamping blocks need to be replaced at the end part of the numerical control abrasive belt grinding machine so as to adapt to the blades with different inclination angles, the loading and unloading are troublesome, and the working efficiency of the grinding machine is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing in the background art, and the numerical control abrasive belt grinding machine who proposes has steam turbine blade clamping device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a numerical control abrasive band grinding machine with steam turbine blade clamping device, is including grinding the platform and arranging the blade body of grinding the platform upper end in, the upper end fixedly connected with soft cushion block of grinding the platform, and the lower extreme and the cushion block contact of blade body, the both sides of blade body all are equipped with splint, one side veneer that splint are close to the blade body has the tight pad of clamp, one side that the blade body was kept away from to splint is equipped with two pairs of fixed blocks, one side that the blade body was kept away from to splint is equipped with actuating mechanism.
Preferably, the driving mechanism comprises a first vertical plate fixedly connected to the upper end of the grinding table, a servo hydraulic cylinder penetrates through the first vertical plate at the corresponding position of each pair of fixed blocks, and a telescopic shaft of the servo hydraulic cylinder is rotatably connected with the two fixed blocks through a pin shaft.
Preferably, actuating mechanism includes fixed connection at the second riser of grinding the platform upper end, the second riser rotates on every corresponding position to the fixed block and is connected with the nut, the fixed cup has connect driven gear on the outer wall of nut, nut female connection has the screw rod, the one end of screw rod is rotated with two fixed blocks through the round pin axle and is connected, the installing port has been seted up to the second riser between two nuts, install linear electric motor in the installing port, linear electric motor includes the magnetic track of vertical fixed connection inner wall about the installing port, the drive has the active cell on the magnetic track, one side fixedly connected with motor that splint were kept away from to the active cell, the output fixedly connected with driving gear of motor, and driving gear and driven gear intermeshing.
Preferably, both sides fixedly connected with stopper of active cell, the inner wall of installing port is seted up with stopper sliding connection's spacing groove.
Preferably, the driving gear and the driven gear are spur gears.
Preferably, the clamping pad is close to one side of the blade body, a pressure sensor is embedded in a corresponding position of each pair of fixing blocks, and the pressure sensor is connected with a display instrument.
Compared with the prior art, the numerical control abrasive belt grinding machine with the turbine blade clamping device has the advantages that:
1. the flexible end of a plurality of servo hydraulic cylinder stretches out respectively for the upper and lower both sides of splint extend respectively, closely offset with the blade body until pressing from both sides tight pad, and pressure sensor transmits the pressure value that shows the instrument and in suitable within range, alright carry out the multiple spot to the both sides of blade body and exert pressure, and stable clamp is tight, convenient to use is swift.
2. Move its active cell through linear electric motor and make driving gear and one of them driven gear be in the engaged state, the starter motor, the motor transmits torque to the nut through intermeshing's driving gear and driven gear, the screw rod can't rotate along with it along with the rotation of nut and make axial displacement, thereby change the inclination of splint upper portion or lower part, the pressure value that until its position corresponds pressure sensor monitoring is in suitable within range position, repeat above-mentioned operation and can make the tight pad of clamp and the one side of blade body closely laminate, alright carry out the stable clamp with the blade body, and because screw rod and nut have the auto-lock nature, have the advantage that stability is high.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a numerically controlled abrasive belt grinding machine with a turbine blade clamping device according to the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the numerical control abrasive belt grinding machine with a turbine blade clamping device provided by the utility model.
In the figure: the vertical type pneumatic grinding machine comprises a grinding table 1, a blade body 2, a soft cushion block 3, a clamping plate 4, a clamping pad 5, a pressure sensor 6, a fixed block 7, a first vertical plate 8, a servo hydraulic cylinder 9, a second vertical plate 10, a mounting opening 11, a magnetic track 12, a rotor 13, a motor 14, a driving gear 15, a screw rod 16, a nut 17, a driven gear 18 and a limiting block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, a numerical control abrasive band grinding machine with turbine blade clamping device, including grinding 1 and arranging in the blade body 2 of grinding 1 upper end, the upper end fixedly connected with soft cushion 3 of grinding 1, and the lower extreme and the 3 contacts of soft cushion of blade body 2, the both sides of blade body 2 all are equipped with splint 4, one side veneer that splint 4 is close to blade body 2 has the tight pad 5 of clamp, one side that blade body 2 was kept away from to splint 4 is equipped with two pairs of fixed blocks 7, one side that blade body 2 was kept away from to splint 4 is equipped with actuating mechanism.
Actuating mechanism includes fixed connection at the first riser 8 of grinding 1 upper end, and first riser 8 runs through servo hydraulic cylinder 9 on every corresponding position of fixed block 7, and servo hydraulic cylinder 9's telescopic shaft rotates with two fixed blocks 7 through the round pin axle to be connected, and servo hydraulic cylinder 9 drive speed is fast.
Press from both sides tight pad 5 and be close to one side of blade body 2 and inlay on every corresponding position of fixed block 7 and be equipped with pressure sensor 6, pressure sensor 6 is connected with the display instrument, and pressure sensor 6 converts the pressure model into the signal of telecommunication and transmits to the display instrument in real time, and pressure sensor 6 adopts common piezoelectric sensor, and the model is various and for prior art, does not consequently list the model.
In this embodiment, in the process of clamping the two sides of the blade body 2, the pressure of the plurality of pressure sensors 6 on the blade body 2 can be monitored in points and in real time, and the opening and closing of the electric device in the driving mechanism are determined at the moment.
Place the lower extreme of blade body 2 on cushion block 3, a plurality of servo hydraulic cylinder 9's flexible end stretches out respectively for the upper and lower both sides of splint 4 extend respectively, closely offset with blade body 2 until pressing from both sides tight pad 5, and pressure sensor 6 transmits the pressure value to display instrument and in suitable within range, alright carry out the multiple spot to the both sides of blade body 2 and exert pressure, and stable clamp is tight, convenient to use is swift.
Example 2
Referring to fig. 2, the present embodiment is different from embodiment 1 in that: the driving mechanism comprises a second vertical plate 10 fixedly connected to the upper end of the grinding table 1, the second vertical plate 10 is rotatably connected with nuts 17 at corresponding positions of each pair of fixed blocks 7, driven gears 18 are fixedly sleeved on the outer walls of the nuts 17, screw rods 16 are connected with the inner threads of the nuts 17 in a screwed manner, one ends of the screw rods 16 are rotatably connected with the two fixed blocks 7 through pin shafts, a mounting opening 11 is formed in the second vertical plate 10 between the two nuts 17, a linear motor is installed in the mounting opening 11 and comprises magnetic tracks 12 vertically and fixedly connected to the upper inner wall and the lower inner wall of the mounting opening 11, a mover 13 is driven on the magnetic tracks 12, the linear motor is the prior art and certainly comprises other components, but is not used as a support, a motor 14 is fixedly connected to one side of the mover 13 far away from the clamping plate 4, a driving gear 15 is fixedly connected to the output end, the driving gear 15 and the driven gear 18 are spur gears, which are simpler and easier to engage than other gears.
The two sides of the rotor 13 are fixedly connected with the limiting blocks 19, the inner wall of the mounting opening 11 is provided with a limiting groove in sliding connection with the limiting blocks 19, the moving stability of the rotor 13 is enhanced, and deviation is avoided.
The present embodiment is different from embodiment 1 in that: the rotor 13 of the linear motor is moved to enable the driving gear 15 to be in an engaged state with one of the driven gears 18, the motor 14 is started, the motor 14 transmits torque to the nut 17 through the driving gear 15 and the driven gear 18 which are engaged with each other, the screw 16 cannot rotate along with the nut 17 to axially move, so that the inclination angle of the upper portion or the lower portion of the clamping plate 4 is changed until the pressure value monitored by the pressure sensor 6 corresponding to the position of the screw is in a proper range, the clamping pad 5 can be tightly attached to one side of the blade body 2 by repeating the operation, the blade body 2 can be stably clamped, and the screw 16 and the nut 17 have self-locking performance and have the advantage of high stability.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a numerical control abrasive band grinding machine with turbine blade clamping device, includes and grinds platform (1) and arranges blade body (2) of grinding platform (1) upper end in, its characterized in that, grind the soft cushion (3) of upper end fixedly connected with of platform (1), and the lower extreme and the contact of soft cushion (3) of blade body (2), the both sides of blade body (2) all are equipped with splint (4), one side veneer that splint (4) are close to blade body (2) has the tight pad (5) of clamp, one side that blade body (2) were kept away from in splint (4) is equipped with two pairs of fixed blocks (7), one side that blade body (2) were kept away from in splint (4) is equipped with actuating mechanism.
2. The numerical control abrasive belt grinding machine with the turbine blade clamping device is characterized in that the driving mechanism comprises a first vertical plate (8) fixedly connected to the upper end of the grinding table (1), a servo hydraulic cylinder (9) penetrates through the first vertical plate (8) at the corresponding position of each pair of fixed blocks (7), and a telescopic shaft of the servo hydraulic cylinder (9) is rotatably connected with the two fixed blocks (7) through a pin shaft.
3. The numerical control abrasive belt grinding machine with the turbine blade clamping device is characterized in that the driving mechanism comprises a second vertical plate (10) fixedly connected to the upper end of the grinding table (1), a nut (17) is rotatably connected to the second vertical plate (10) at a position corresponding to each pair of fixed blocks (7), a driven gear (18) is fixedly sleeved on the outer wall of the nut (17), a screw (16) is connected to the nut (17) in an internal thread manner, one end of the screw (16) is rotatably connected with the two fixed blocks (7) through a pin shaft, a mounting opening (11) is formed in the second vertical plate (10) between the two nuts (17), a linear motor is installed in the mounting opening (11) and comprises a magnetic track (12) vertically and fixedly connected to the upper inner wall and the lower inner wall of the mounting opening (11), and a rotor (13) is driven on the magnetic track (12), one side of the rotor (13) far away from the clamping plate (4) is fixedly connected with a motor (14), the output end of the motor (14) is fixedly connected with a driving gear (15), and the driving gear (15) is meshed with a driven gear (18).
4. The numerical control abrasive belt grinding machine with the turbine blade clamping device is characterized in that limiting blocks (19) are fixedly connected to two sides of the rotor (13), and limiting grooves in sliding connection with the limiting blocks (19) are formed in the inner wall of the mounting opening (11).
5. The numerical control abrasive belt grinding machine with a turbine blade clamping device according to claim 4, characterized in that the driving gear (15) and the driven gear (18) are straight spur gears.
6. The numerical control abrasive belt grinding machine with the steam turbine blade clamping device is characterized in that the clamping pad (5) is close to one side of the blade body (2) and is embedded with a pressure sensor (6) at a corresponding position of each pair of fixing blocks (7), and the pressure sensor (6) is connected with a display instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381884.4U CN210360756U (en) | 2019-08-23 | 2019-08-23 | Numerical control abrasive belt grinding machine with turbine blade clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381884.4U CN210360756U (en) | 2019-08-23 | 2019-08-23 | Numerical control abrasive belt grinding machine with turbine blade clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN210360756U true CN210360756U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921381884.4U Expired - Fee Related CN210360756U (en) | 2019-08-23 | 2019-08-23 | Numerical control abrasive belt grinding machine with turbine blade clamping device |
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| CN (1) | CN210360756U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658267A (en) * | 2020-07-14 | 2020-09-15 | 河南省中医院（河南中医药大学第二附属医院） | Self-adaptation orthopedics nursing traction support |
| CN113681415A (en) * | 2021-09-01 | 2021-11-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Grinding machine and grinding method for air inlet adjustable blade of aero-engine |
| CN114951715A (en) * | 2022-04-28 | 2022-08-30 | 江苏恒义工业技术有限公司 | Turning clamp for revolving body workpiece |
-
2019
- 2019-08-23 CN CN201921381884.4U patent/CN210360756U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658267A (en) * | 2020-07-14 | 2020-09-15 | 河南省中医院（河南中医药大学第二附属医院） | Self-adaptation orthopedics nursing traction support |
| CN113681415A (en) * | 2021-09-01 | 2021-11-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Grinding machine and grinding method for air inlet adjustable blade of aero-engine |
| CN114951715A (en) * | 2022-04-28 | 2022-08-30 | 江苏恒义工业技术有限公司 | Turning clamp for revolving body workpiece |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |