CN107052839A - One kind processing gland sealing gear fixture - Google Patents
One kind processing gland sealing gear fixture Download PDFInfo
- Publication number
- CN107052839A CN107052839A CN201710070553.8A CN201710070553A CN107052839A CN 107052839 A CN107052839 A CN 107052839A CN 201710070553 A CN201710070553 A CN 201710070553A CN 107052839 A CN107052839 A CN 107052839A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- gland sealing
- sealing gear
- annular bottom
- locating piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
One kind processing gland sealing gear fixture.Gland sealing gear fixture is processed the present invention relates to one kind.The present invention be in order to solve low precision in gland sealing gear process, fixture waste, cost is high the problem of.A kind of processing gland sealing gear fixture of the present invention includes an annular bottom plate and multiple press-fits part；It is described press-fit part including slide body, locating piece, compression spring, pressing plate, fix press cylinders pin and against block.A kind of fixture for being capable of accurate adjustment of the present invention, can carry out clamping to various sizes of dividing plate, can select positioning datum during assembling according to dividing plate machining state；I.e. the fixture is radially adjustable according to the different sizes of dividing plate, axially compressible, and positioning datum can adjust.The present invention is novel in design, simple in construction, it is adaptable to without the processing of the gland sealing gear on physical dimension dividing plate.
Description
Technical field
Gland sealing gear fixture is processed the present invention relates to one kind.
Background technology
In process of production, gland sealing gear is assembled on packing, in integral installation to dividing plate after gland sealing gear is supplemented
Processing, existing two kinds of processing modes：1st, processed using manual small equipment, it is low precision, overproof serious；2nd, using the existing folder in workshop
Tool clamping is processed on lathe, due to every grade of baffle dimensions difference, fixture will be cut before each clamping, process peace
Clamping after benchmark is filled, fixture wastes serious, increases processing cost.There is presently no one kind can just energy be smart by fixture itself regulation
True carries out clamping, and then the fixture being processed to gland sealing gear to different size dividing plates.
The content of the invention
The present invention be in order to solve low precision in gland sealing gear process, fixture waste, cost is high the problem of, and provide one
Plant processing gland sealing gear fixture.
A kind of processing gland sealing gear fixture of the present invention includes an annular bottom plate and multiple press-fits part；
Be radially arranged on the annular bottom plate in multiple chutes, the isometrical circumference of the annular bottom plate be provided with it is some
Positioning hole, the positioning hole is arranged in pairs and is distributed in the both sides of each chute；
It is described press-fit part including slide body, locating piece, compression spring, pressing plate, fix press cylinders pin and against block；
The slide body is connected by bottom protrusion with the slide on annular bottom plate, and the slide body passes through left and right
The first hex bolts and alignment pin of both sides realize that the positioning on annular is fixed, and the first hex bolts insertion chute is left
Side positioning hole, the alignment pin insertion chute right positioner hole；
It is provided with the slide body along annular bottom plate radial distribution work shape groove；
The locating piece section is in work shape, and the locating piece is slidably connected by the work shape groove on slide body with slide body,
And realize that the positioning of position is fixed in slide body by the holding screw on the right side of locating piece；
Steam seal ring is accompanied between the locating piece and pressing plate, the pressing plate is realized and locating piece by the second hex bolts
Positioning is fixed；
The compression spring is set on the second hex bolts, and positioned between pressing plate and locating piece；
The fixing press cylinders pin bottom is plugged in the pin-and-hole on locating piece, and top is resisted against packing section neck；
It is described to be arranged on one end that slide body deviates from the annular bottom plate center of circle, and pass through the left and right sides the three or six against block
Corner bolt and the 4th hex bolts are fixedly connected with slide body；
It is described to be inserted with A type straight pins against block upper surface；
The hexagonal housing screw inserts locating piece along annular bottom plate radially across against block.
Operation principle：
1. the annular bottom plate of fixture in use, be first placed on platen, and press the outer of annular bottom plate by frock
Circle centering, it is ensured that its center is not more than after 0.02, centering with platen central coaxial degree is fixed to machine by annular bottom plate
On bed workbench.
2. according to the positioning method of gland sealing gear to be processed and steam seal ring exradius R, the selection and half on annular bottom plate
Slide body is fixed positioning hole on the immediate pitch circle C of footpath R；
The positioning method of gland sealing gear wherein to be processed is divided to two kinds：
1. positioning, i.e. Fig. 3 are contacted against with steam seal ring close to the side in the annular bottom plate center of circle to fix press cylinders pin 7
In E faces；
2. positioning, i.e. Fig. 3 are contacted against with steam seal ring away from the side in the annular bottom plate center of circle to fix press cylinders pin 7
In F faces；
3. according to the fixing press cylinders pin of the size different choice different model of gland sealing gear to be processed.
4. steam seal ring is placed on locating piece, and fixed with pressing plate.
5. with the size of L in vernier caliper measurement Fig. 1, steam seal ring is moved with locating piece by adjusting hexagonal housing screw
It is dynamic, to change the radial position of gland sealing gear, L is met following relational expressions：
1) when being positioned with F faces, it is ensured that
2) when being positioned with E faces, it is ensured thatWherein L is fixing press cylinders pin left hand edge and A
The distance between type straight pin right hand edge, R is steam seal ring exradius, and x is the diameter with the immediate pitch circle C of radius R
6. after steam seal ring is positioned, screwing holding screw, start processing.
Beneficial effect of the present invention：
A kind of fixture for being capable of accurate adjustment of the present invention, can carry out clamping to various sizes of dividing plate, can be according to dividing plate
Machining state, selectes positioning datum during assembling；I.e. the fixture is radially adjustable according to the different sizes of dividing plate, can axially press
Tightly, positioning datum can adjust.
The present invention is novel in design, simple in construction, it is adaptable to without the processing of the gland sealing gear on physical dimension dividing plate.
Brief description of the drawings
Fig. 1 is a kind of partial structural diagram of processing gland sealing gear fixture of the present invention；Wherein C is section where positioning hole
Circle；
Fig. 2 is Fig. 1 in A-A faces sectional view；
Fig. 3 is Fig. 1 in B-B faces sectional view；Wherein E, F are gland sealing gear locating surface.
Embodiment
Embodiment one：A kind of processing gland sealing gear of present embodiment includes a He of annular bottom plate 1 with fixture
It is multiple to press-fit part 2；
Multiple chutes are radially arranged on the annular bottom plate 1, if being provided with the isometrical circumference of the annular bottom plate 1
Dry positioning hole, the positioning hole is arranged in pairs and is distributed in the both sides of each chute；
It is described press-fit part 2 including slide body 3, locating piece 4, compression spring 5, pressing plate 6, fix press cylinders pin 7 and against
Block 8；
The slide body 3 is connected by bottom protrusion with the slide on annular bottom plate 1, and the slide body 3 passes through
The first hex bolts 9 and alignment pin 10 of the left and right sides realize that the positioning on annular bottom plate 1 is fixed, the first hexagonal spiral shell
The insertion chute left positioner of bolt 9 hole, the insertion chute right positioner of alignment pin 10 hole；
It is provided with the slide body 3 along the radial distribution work shape groove of annular bottom plate 1；
The section of locating piece 4 is in that the work shape groove on work shape, the slide body 3 of locating piece 4 is slidably connected with slide body 3,
And realize that the positioning of the position in slide body 3 is fixed by the holding screw 11 on the right side of locating piece 4；
Steam seal ring is accompanied between the locating piece 4 and pressing plate 6, the pressing plate 6 is realized with determining by the second hex bolts 12
The positioning of position block 4 is fixed；
The compression spring 5 is set on the second hex bolts 12, and positioned between pressing plate 6 and locating piece 4；
The bottom of fixing press cylinders pin 7 is plugged in the pin-and-hole on locating piece 4, and top is resisted against packing section neck；
It is described to be arranged on one end that slide body 3 deviates from the center of circle of annular bottom plate 1, and pass through the left and right sides the against block 8
Three hex bolts 13 and the 4th hex bolts 14 are fixedly connected with slide body 3；
It is described to be inserted with A types straight pin 15 against the upper surface of block 8；
The hexagonal housing screw 16 inserts locating piece 4 along annular bottom plate 1 radially across against block 8.
Operation principle：
1. the annular bottom plate 1 of fixture in use, be first placed on platen, and press annular bottom plate 1 by frock
Cylindrical centering, it is ensured that its center is not more than after 0.02, centering with platen central coaxial degree is fixed to annular bottom plate 1
On lathe workbench.
2. according to the positioning method of gland sealing gear to be processed and steam seal ring exradius R, the selection and half on annular bottom plate 1
Slide body 3 is fixed positioning hole on the immediate pitch circle C of footpath R；
The positioning method of gland sealing gear wherein to be processed is divided to two kinds：
1. positioning is contacted against with steam seal ring close to the side in the center of circle of annular bottom plate 1 to fix press cylinders pin 7, that is, schemed
E faces in 3；
2. positioning is contacted against with steam seal ring away from the side in the center of circle of annular bottom plate 1 to fix press cylinders pin 7, that is, schemed
F faces in 3；
3. according to the fixing press cylinders pin 7 of the size different choice different model of gland sealing gear to be processed.
4. steam seal ring is placed on locating piece 4, and fixed with pressing plate 6.
5. with the size of L in vernier caliper measurement Fig. 1, make steam seal ring with locating piece 4 by adjusting hexagonal housing screw 16
It is mobile, to change the radial position of gland sealing gear, L is met following relational expressions：
1) when being positioned with F faces, it is ensured that
2) when being positioned with E faces, it is ensured thatWherein L for fix the left hand edge of press cylinders pin 7 with
The distance between right hand edge of A types straight pin 15, R is steam seal ring exradius, and x is the diameter with the immediate pitch circle C of radius R
6. after steam seal ring is positioned, screwing holding screw 11, start processing.
A kind of fixture for being capable of accurate adjustment of present embodiment, can carry out clamping to various sizes of dividing plate, can basis
Dividing plate machining state, selectes positioning datum during assembling；I.e. the fixture is radially adjustable according to the different sizes of dividing plate, axially may be used
Compress, positioning datum can adjust.
Present embodiment is novel in design, simple in construction, it is adaptable to without the processing of the gland sealing gear on physical dimension dividing plate.
Embodiment two：Present embodiment from unlike embodiment one：On the annular bottom plate 1
Multiple chutes are circumferentially evenly distributed.Other steps and parameter are identical with embodiment one.
Embodiment three：Present embodiment from unlike embodiment one or two：The annular bottom plate 1
On each pair positioning hole be evenly distributed along isometrical circumference.Other steps and parameter are identical with embodiment one or two.
Embodiment four：Unlike one of present embodiment and embodiment one to three：The annular
Many circle holes of different radii are provided with bottom plate 1.Other steps and parameter are identical with one of embodiment one to three.
Many circle holes of the different radii of present embodiment are used for realizing the different positions on annular bottom plate 1 of slide body 3
Put the fixation at place.
Embodiment five：Unlike one of present embodiment and embodiment one to four：It is described to plug card
Gu the pin-and-hole depth on the locating piece 4 of press cylinders pin 7 is fixed.One of other steps and parameter and embodiment one to four
It is identical.
Embodiment six：Unlike one of present embodiment and embodiment one to five：It is described to fix folder
It is that length is different to have straight pin 7, and diameter identical fixes press cylinders pin.Other steps and parameter and embodiment one to
One of five is identical.
The length of present embodiment is different, and it is different according to the size of gland sealing gear to be processed that diameter identical fixes press cylinders pin
And select.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：The hexagonal pressure
Tight screw 16 is fixed by hex nut 17.Other steps and parameter are identical with one of embodiment one to six.
Claims (7)
1. one kind processing gland sealing gear fixture, it is characterised in that one kind processing gland sealing gear includes an annular bottom plate with fixture
(1) and multiple part (2) is press-fited；
Multiple chutes, the annular bottom plate (1) are radially arranged on the annular bottom plate (1) if isometrical circumference on be provided with
Dry positioning hole, the positioning hole is arranged in pairs and is distributed in the both sides of each chute；
It is described press-fit part (2) including slide body (3), locating piece (4), compression spring (5), pressing plate (6), fix press cylinders pin
(7) and against block (8)；
The slide body (3) is connected by bottom protrusion with the slide on annular bottom plate (1), and the slide body (3) is led to
The first hex bolts (9) and alignment pin (10) for crossing the left and right sides realize that positioning on annular bottom plate (1) is fixed, described the
One hex bolts (9) insertion chute left positioner hole, alignment pin (10) the insertion chute right positioner hole；
It is provided with the slide body (3) along annular bottom plate (1) radial distribution work shape groove；
Locating piece (4) section is in work shape, and the locating piece (4) is sliding by the work shape groove on slide body (3) and slide body (3)
Dynamic connection, and realize that the positioning in slide body (3) interior position is fixed by the holding screw (11) on the right side of locating piece (4)；
The pressing plate (6) realizes that the positioning with locating piece (4) is fixed by the second hex bolts (12)；
The compression spring (5) is set on the second hex bolts (12), and positioned between pressing plate (6) and locating piece (4)；
Described fixing press cylinders pin (7) bottom is plugged in the pin-and-hole on locating piece (4)；
It is described to be arranged on the one end of slide body (3) away from annular bottom plate (1) center of circle against block (8), and pass through the left and right sides
3rd hex bolts (13) and the 4th hex bolts (14) are fixedly connected with slide body (3)；
It is described to be inserted with A types straight pin (15) against block (8) upper surface；
The hexagonal housing screw (16) inserts locating piece (4) along annular bottom plate (1) radially across against block (8).
2. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that on the annular bottom plate (1)
Multiple chutes are circumferentially evenly distributed.
3. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that on the annular bottom plate (1)
Each pair positioning hole is evenly distributed along isometrical circumference.
4. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that set on the annular bottom plate (1)
It is equipped with many circle holes of different radii.
5. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that described to plug fixing press cylinders
The pin-and-hole depth sold on the locating piece (4) of (7) is fixed.
6. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that the fixing press cylinders pin (7)
Different for length, diameter identical fixes press cylinders pin.
7. a kind of processing gland sealing gear fixture according to claim 1, it is characterised in that the hexagonal housing screw (16)
It is fixed by hex nut (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070553.8A CN107052839A (en) | 2017-02-08 | 2017-02-08 | One kind processing gland sealing gear fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070553.8A CN107052839A (en) | 2017-02-08 | 2017-02-08 | One kind processing gland sealing gear fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052839A true CN107052839A (en) | 2017-08-18 |
Family
ID=59599243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070553.8A Pending CN107052839A (en) | 2017-02-08 | 2017-02-08 | One kind processing gland sealing gear fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834481A (en) * | 2019-04-03 | 2019-06-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of positioning device and localization method for processing steam turbine inner gland segmental arc |
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Cited By (2)
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|---|---|---|---|---|
| CN109834481A (en) * | 2019-04-03 | 2019-06-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of positioning device and localization method for processing steam turbine inner gland segmental arc |
| CN109834481B (en) * | 2019-04-03 | 2023-12-05 | 哈尔滨汽轮机厂有限责任公司 | Positioning device and positioning method for processing steam seal arc section in steam turbine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |