CN207372891U - A kind of low magnetic pretwist blade grinding clamp for machining - Google Patents
A kind of low magnetic pretwist blade grinding clamp for machining Download PDFInfo
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- CN207372891U CN207372891U CN201720911798.4U CN201720911798U CN207372891U CN 207372891 U CN207372891 U CN 207372891U CN 201720911798 U CN201720911798 U CN 201720911798U CN 207372891 U CN207372891 U CN 207372891U
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Abstract
A kind of low magnetic pretwist blade grinding clamp for machining, the utility model patent is related to a kind of blade grinding clamp for machining, the utility model is ground to solve the problems, such as that the low magnetic pretwist type blade of supercritical pressure turbine carries on the back sagittal plane, it includes fixed clamping piece and angle adjustment part, and fixed clamping piece includes clamping element bottom plate, holding screw, pull rod, activity clamp block, adjustable clamp block, positioning clamp block, the first fillister head screw, the second fillister head screw, positioning clamp block, the second soket head cap screw, the cover, band shoulder nut, positioning seat, straight pin and the first soket head cap screw；Positioning seat is mounted on by two straight pins and two the first soket head cap screws on the upper surface of clamping element bottom plate, activity clamp block and positioning clamp block are separately positioned on the both ends of positioning seat, the end of thread of pull rod sequentially passes through activity clamp block, positioning seat, positioning clamp seat cover lid and is set with shoulder nut, clamping element bottom plate is mounted on angle adjustment part, and the utility model is used to use during low magnetic pretwist blade processing.
Description
Technical field
The utility model patent is related to a kind of blade grinding clamp for machining, and in particular to a kind of low magnetic pretwist blade grinding
Clamp for machining.
Background technology
Nearby vapor (steam) temperature is high, pressure is big for supercritical pressure turbine high pressure air intake, therefore before packing into vapour inside high pressure
Two grade blades need the high temperature alloy R26 material blades of high temperature resistant, high pressure, and such material blade is possessing high temperature high voltage resistant characteristic
While possess it is low magnetism the shortcomings that, can not utilize grinding machine magnetic suction disc absorption processing.Therefore in the assembling of pretwist guide vane
Cheng Zhong, the processing of pretwist guide vane back of the body sagittal plane need to return blade processing workshop using milling machine processing, and processing efficiency is low, and integral shroud is in
Mesosome processing uniformity is poor.Therefore how to process low magnetism R26 blades using grinding machine becomes production bottleneck, it would be highly desirable to and innovation solves,
And then it needs to provide a kind of fixture for grinding.
Utility model content
The utility model is ground to solve the problems, such as that the low magnetic pretwist type blade of supercritical pressure turbine carries on the back sagittal plane, and then
A kind of low magnetic pretwist blade grinding clamp for machining is provided.
The utility model in order to solve the above problem and the technical solution adopted is that：
It include fixed clamping piece and angle adjustment part, fixed clamping piece include clamping element bottom plate, holding screw, pull rod,
Activity clamp block, adjustable clamp block, positioning clamp block, the first fillister head screw, the second fillister head screw, positioning clamp block, in second
Hex screw, the cover, band shoulder nut, positioning seat, two straight pins and two the first soket head cap screws；The periphery processing of pull rod
There is external screw thread, clamping element bottom plate is rectangular plate body, and there are one threaded hole, positioning seat passes through for each angle processing of rectangular plate body
Two straight pins and two the first soket head cap screws are mounted on the upper surface of clamping element bottom plate, activity clamp block and positioning clamp block point
The both ends of positioning seat are not arranged on, the one end for positioning clamp block and positioning seat connects, and the top of positioning seat is equipped with positioning clamp block, and
Positioning clamp block is mounted on by the first fillister head screw and the second fillister head screw in positioning clamp block, activity clamp block, positioning seat
With the hole that passes through that pull rod is machined in positioning clamp block, the end of thread of pull rod sequentially passes through activity clamp block, positioning seat, positioning clamp block
The cover and with shoulder nut set, is threadedly coupled with shoulder nut with the end of thread of pull rod, adjustable clamp block close to activity clamp block setting
Above positioning seat, activity clamp block is equipped with holding screw, and holding screw is withstood on pull rod, and clamping element bottom plate is mounted on angle tune
In one integral piece.
The beneficial effects of the utility model are：
1st, the utility model it possess along platform four direction adjust the angle function.Fixed clamping piece 20 is fallen within into angle tune
In one integral piece 40 and tight.Adjust the angle adjustment part 40 angle make blade face to be processed levelling so as to fulfill blade shroud in
Mesosome grinding simultaneously.
2nd, it is difficult to solve the low magnetic pretwist type blade back of the body sagittal plane grinding of supercritical pressure turbine well for the utility model patent
Topic proposes new Fixture Design theory for the assembling of pretwist type blade.
3rd, the utility model is simple in structure, easy to operate to save the time, improves work efficiency.
4th, the utility model solves the prior art can not adsorb the low pre- twisted blade progress of magnetism using grinding machine magnetic suction disc
The problem of processing, is to clamp blade by fixed clamping piece 20 with the utility model, is adjusted the angle, led to by angle adjustment part 40
It crosses milling machine to be processed and then improve the work efficiency to low magnetic pretwist blade processing, ensures processing quality.
Description of the drawings
Fig. 1 is that pre- twisted blade is mounted on the utility model overall structure front view, and Fig. 2 is the main view of angle adjustment part 40
Figure, Fig. 3 is the right view of Fig. 2, and Fig. 4 is the front view of fixed clamping piece 20, and Fig. 5 is the top view of Fig. 4.
Specific embodiment
Specific embodiment one：Illustrate present embodiment, a kind of low magnetic pretwist described in present embodiment with reference to Fig. 1-Fig. 5
Blade grinding clamp for machining, it includes fixed clamping piece 20 and angle adjustment part 40, and fixed clamping piece 20 includes clamping element bottom plate
1st, holding screw 2, pull rod 4, activity clamp block 5, adjustable clamp block 6, positioning clamp block 8, the first fillister head screw 9, the second cylinder
15, two head screw 10, positioning clamp block 11, the second soket head cap screw 12, the cover 13, band shoulder nut 14, positioning seat 3 and of straight pin
Two the first soket head cap screws 7；The periphery of pull rod 4 is machined with external screw thread, and clamping element bottom plate 1 is rectangular plate body, rectangle
There are one threaded hole, positioning seat 15 is installed by two straight pins 3 and two the first soket head cap screws 7 for each angle processing of plate body
It on the upper surface of clamping element bottom plate 1, is positioned by two straight pins 3, activity clamp block 5 and positioning clamp block 11 are set respectively
At the both ends of positioning seat 15, positioning clamp block 11 is connected with one end of positioning seat 15, and the top of positioning seat 15 is equipped with positioning clamp block
8, and positioning clamp block 8 is mounted on by the first fillister head screw 9 and the second fillister head screw 10 in positioning clamp block 11, activity
Pull rod 4 is machined in clamp block 5, positioning seat 15 and positioning clamp block 11 passes through hole, and the end of thread of pull rod 4 sequentially passes through adjustable clamp
Seat 5, positioning seat 15 position 11 the cover 13 of clamp block and are set with shoulder nut 14, the end of thread screw thread with shoulder nut 14 Yu pull rod 4
Connection, adjustable clamp block 6 are arranged on close to activity clamp block 5 above positioning seat 15, and activity clamp block 5 is equipped with holding screw 2, tightening
Screw 2 is withstood on pull rod 4, and clamping element bottom plate 1 is mounted on angle adjustment part 40.
Specific embodiment two：Illustrate present embodiment, a kind of low magnetic pretwist described in present embodiment with reference to Fig. 1-Fig. 3
Blade grinding clamp for machining, angle adjustment part 40 include platform 21, intermediate plate 22, bottom plate 23, the first chute board 24, the first hinge
Axis 28, the first hinge cover the 29, second chute board 30, the second hinge axis 31, the second hinge set 32, soket head cap screw 33, four the
Three plain washers 26 of soket head cap screw 25, four and four spring washers 27；There are one being arranged on each 3rd soket head cap screw 25
Plain washer 26 and a spring washer 27, the first chute board 24 and the second chute board 30 are arc panel, close to the first chute board
Arc-shaped through-hole is machined on 24 one end, the other end close to the first chute board 24 is machined with circular through hole, close to the second slideway
Arc-shaped through-hole is machined on one end of plate 30, circular through hole is machined on the other end of the second chute board 30, platform 21 is logical
It crosses four bolts to be threadedly coupled with four threaded holes on clamping element bottom plate 1, platform 21, intermediate plate 22 and bottom plate 23 are from top to bottom
It sets gradually, the first hinge covers 29 points for the 4th section of hinge set, the 5th section of hinge set and the 6th section of hinge set, the 4th section of hinge
Set, the 5th section of hinge set and the 6th section of hinge set are sequentially arranged, and the first hinge axis 28 is fixedly mounted in the 5th section of hinge set, and
The both ends of first hinge axis 28 are separately positioned in the 4th section of hinge set and the 6th section of hinge set, and the two of the first hinge axis 28
End covers rotation connection, the 4th section of hinge set and the 6th section of hinge set and intermediate plate with the 4th section of hinge set and the 6th section of hinge respectively
The lower face of 22 one end is fixedly connected, and the 5th section of hinge set is fixedly connected with the upper surface of 23 one end of bottom plate, and hexagonal in the 3rd
Screw 25, which is threadedly coupled, to be mounted on bottom plate 23, is set in the arc-shaped through-hole of the second chute board 30 there are one the 3rd soket head cap screw
25, the 3rd soket head cap screw 25, which is threadedly coupled, to be mounted on intermediate plate 22, the center line of each 3rd soket head cap screw 25 and the
The axis of one hinge axis 28 is arranged in parallel, by the 3rd soket head cap screw 25 adjustment in the arc-shaped through-hole of the second chute board 30
Between plate 22 angle of inclination, the second hinge cover 32 points for first segment hinge set, second segment hinge set and the 3rd section of hinge set, first
Section hinge set, second segment hinge set and the 3rd section of hinge set are set gradually, and the both ends of the second hinge axis 31 are separately positioned on the
In one section of hinge set and the 3rd section of hinge set, and the both ends of the second hinge axis 31 are covered respectively with first segment hinge and the 3rd section of hinge
Set rotation connection, the second hinge axis 31 are arranged in second segment hinge set, and first segment hinge covers and the 3rd section of hinge covers and platform
The lower face of 21 one end is fixedly connected, and second segment hinge set is fixedly connected with the upper surface of 22 one end of intermediate plate, the first chute board
During 24 one end for being machined with circular through hole are equipped with the 3rd soket head cap screw 25, and the threaded connection of the 3rd soket head cap screw 25 is mounted on
Between on plate 22, set that there are one the 3rd soket head cap screw 25,25 spiral shells of the 3rd soket head cap screw in the arc-shaped through-hole of the second chute board 30
Line connection is mounted on platform 21, and the center line of each 3rd soket head cap screw 25 is parallel with the axis of the second hinge axis 31 to be set
It puts, and the axis of the second hinge axis 31 and the axis of the first hinge axis 28 are vertically arranged, and are led to by the arc of the first chute board 24
The angle of inclination of the 3rd soket head cap screw 25 adjustment platform 21 in hole, it is other same as the specific embodiment one.
Specific embodiment three：Illustrate present embodiment, a kind of low magnetic pretwist described in present embodiment with reference to Fig. 1-Fig. 3
Blade grinding clamp for machining leaves gap between first segment hinge set, second segment hinge set and the 3rd section of hinge set, gap
Distance is 1mm.Gap is left between 4th section of hinge set, the 5th section of hinge set and the 6th section of hinge set, the distance in gap is
1mm.It is other to be identical with embodiment two.
Operation principle
Pre- twisted blade is placed on positioning seat 15 during utility model works, and pre- twisted blade is arranged on adjustable clamp block
6th, between positioning clamp block 8, pre- twisted blade is clamped by screwing the band shoulder nut 14 on pull rod 4, passes through holding screw 2
Pull rod 4 is held out against, prevents pull rod 4 from rotating, by adjusting the 3rd soket head cap screw 25 in the position of 24 arc-shaped through-hole of the first chute board
Put adjustment platform 21 angle of inclination, by adjusting the 3rd soket head cap screw 25 30 arc-shaped through-hole of the second chute board position tune
The angle of inclination of whole intermediate plate 22, and then the purpose of this utility model.
Claims (3)
1. a kind of low magnetic pretwist blade grinding clamp for machining, it is characterised in that：It includes fixed clamping piece (20) and angle tune
One integral piece (40), fixed clamping piece (20) include clamping element bottom plate (1), holding screw (2), pull rod (4), activity clamp block (5), activity
Clamp block (6), positioning clamp block (8), the first fillister head screw (9), the second fillister head screw (10), positioning clamp block (11), the
Six in two soket head cap screws (12), the cover (13), band shoulder nut (14), positioning seat (15), two straight pins (3) and two first
Angle screw (7)；The periphery of pull rod (4) is machined with external screw thread, and clamping element bottom plate (1) is rectangular plate body, rectangular plate body
Each angle is processed there are one threaded hole, and positioning seat (15) to pass through two straight pins (3) and two the first soket head cap screws (7) are installed
On the upper surface of clamping element bottom plate (1), activity clamp block (5) and positioning clamp block (11) are separately positioned on the two of positioning seat (15)
End, positioning clamp block (11) are connected with one end of positioning seat (15), and the top of positioning seat (15) is equipped with positioning clamp block (8), and fixed
Position pincers block (8) is mounted on by the first fillister head screw (9) and the second fillister head screw (10) in positioning clamp block (11), activity
Pull rod (4) is machined in clamp block (5), positioning seat (15) and positioning clamp block (11) passes through hole, and the end of thread of pull rod (4) is successively
Through activity clamp block (5), positioning seat (15), position clamp block (11) the cover (13) and with shoulder nut (14) setting, band shoulder nut
(14) end of thread with pull rod (4) is threadedly coupled, and adjustable clamp block (6) is arranged on close to activity clamp block (5) on positioning seat (15)
Side, activity clamp block (5) are equipped with holding screw (2), and holding screw (2) is withstood on pull rod (4), and clamping element bottom plate (1) is mounted on
On angle adjustment part (40).
2. a kind of low magnetic pretwist blade grinding clamp for machining according to claim 1, it is characterised in that：Angle adjustment part
(40) platform (21), intermediate plate (22), bottom plate (23), the first chute board (24), the first hinge axis (28), the first hinge set are included
(29), the second chute board (30), the second hinge axis (31), the second hinge set (32), soket head cap screw (33), six in four the 3rd
Angle screw (25), four plain washers (26) and four spring washers (27)；One is arranged on each 3rd soket head cap screw (25)
A plain washer (26) and a spring washer (27), the first chute board (24) and the second chute board (30) are arc panel, close
Arc-shaped through-hole is machined on one end of first chute board (24), is machined with close to the other end of the first chute board (24) circular logical
Hole is machined with arc-shaped through-hole on one end of the second chute board (30), is processed on the other end of the second chute board (30)
There is circular through hole, platform (21) is threadedly coupled by four bolts with four threaded holes on clamping element bottom plate (1), platform
(21), intermediate plate (22) and bottom plate (23) are from top to bottom set gradually, and the first hinge set (29) is divided into the 4th section of hinge set, the 5th
Section hinge set and the 6th section of hinge set, the 4th section of hinge set, the 5th section of hinge set and the 6th section of hinge set are sequentially arranged, and first closes
Page axis (28) is fixedly mounted in the 5th section of hinge set, and the both ends of the first hinge axis (28) are separately positioned on the 4th section of hinge set
In the 6th section of hinge set, and the both ends of the first hinge axis (28) rotate and connect with the 4th section of hinge set and the 6th section of hinge set respectively
Connect, the 4th section of hinge set and the 6th section of hinge set are fixedly connected with the lower face of intermediate plate (22) one end, the 5th section of hinge cover and
The upper surface of bottom plate (23) one end is fixedly connected, and one end that the second chute board (30) is machined with circular through hole is equipped with hexagonal in the 3rd
Screw (25), and the 3rd soket head cap screw (25) is threadedly coupled and is mounted on bottom plate (23), the arc of the second chute board (30) leads to
It being set in hole there are one the 3rd soket head cap screw (25), the 3rd soket head cap screw (25), which is threadedly coupled, to be mounted on intermediate plate (22),
The axis of the center line and the first hinge axis (28) of each 3rd soket head cap screw (25) is arranged in parallel, the second hinge set (32) point
For first segment hinge set, second segment hinge set and the 3rd section of hinge set, first segment hinge set, second segment hinge set and the 3rd section of conjunction
Page set is set gradually, and the both ends of the second hinge axis (31) are separately positioned in first segment hinge set and the 3rd section of hinge set, and
The both ends of second hinge axis (31) are rotatablely connected respectively with first segment hinge set and the 3rd section of hinge set, and the second hinge axis (31) is set
It puts in second segment hinge set, first segment hinge set and the 3rd section of hinge set are fixedly connected with the lower face of platform (21) one end,
Second segment hinge set is fixedly connected with the upper surface of intermediate plate (22) one end, and the first chute board (24) is machined with the one of circular through hole
End is equipped with the 3rd soket head cap screw (25), and the 3rd soket head cap screw (25) is threadedly coupled and is mounted on intermediate plate (22), and the 3rd
Soket head cap screw (25), which is threadedly coupled, to be mounted on platform (21), and the center line of each 3rd soket head cap screw (25) and second closes
The axis of page axis (31) is arranged in parallel, and the axis of the second hinge axis (31) and the axis of the first hinge axis (28) are vertically arranged.
3. a kind of low magnetic pretwist blade grinding clamp for machining according to claim 2, it is characterised in that：First segment hinge
Gap, the 4th section of hinge set, the 5th section of hinge set and the 6th section are left between set, second segment hinge set and the 3rd section of hinge set
Gap is left between hinge set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911798.4U CN207372891U (en) | 2017-07-25 | 2017-07-25 | A kind of low magnetic pretwist blade grinding clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911798.4U CN207372891U (en) | 2017-07-25 | 2017-07-25 | A kind of low magnetic pretwist blade grinding clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207372891U true CN207372891U (en) | 2018-05-18 |
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ID=62298114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911798.4U Active CN207372891U (en) | 2017-07-25 | 2017-07-25 | A kind of low magnetic pretwist blade grinding clamp for machining |
Country Status (1)
| Country | Link |
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| CN (1) | CN207372891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398297A (en) * | 2020-05-08 | 2020-07-10 | 扬州航盛科技有限公司 | Automatic change test rack |
| CN112355814A (en) * | 2020-10-29 | 2021-02-12 | 宁波照澜新材料科技有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN115229615A (en) * | 2022-07-14 | 2022-10-25 | 山东齐鲁电机制造有限公司 | Grinding platform for bent and twisted blade |
-
2017
- 2017-07-25 CN CN201720911798.4U patent/CN207372891U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398297A (en) * | 2020-05-08 | 2020-07-10 | 扬州航盛科技有限公司 | Automatic change test rack |
| CN112355814A (en) * | 2020-10-29 | 2021-02-12 | 宁波照澜新材料科技有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN112355814B (en) * | 2020-10-29 | 2021-07-06 | 台州市千喜泵业有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN115229615A (en) * | 2022-07-14 | 2022-10-25 | 山东齐鲁电机制造有限公司 | Grinding platform for bent and twisted blade |
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