CN207043801U - A kind of fixture for milling thrust pad both sides step - Google Patents
A kind of fixture for milling thrust pad both sides step Download PDFInfo
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- CN207043801U CN207043801U CN201721064292.0U CN201721064292U CN207043801U CN 207043801 U CN207043801 U CN 207043801U CN 201721064292 U CN201721064292 U CN 201721064292U CN 207043801 U CN207043801 U CN 207043801U
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Abstract
A kind of fixture for milling thrust pad both sides step, it is related to machining technology field.The problem of the utility model is solves existing thrust pad in Milling Process, Set and Positioning inconvenience, low production efficiency, and machining accuracy is difficult to control.The utility model includes clamp body, front pressuring plate, alignment pin, location-plate, rear fender, right shell body and right baffle-plate, right shell body be arranged in parallel with right baffle-plate, location-plate is installed between right shell body and right baffle-plate, the rear end of location-plate is provided with detent, angle is provided between two side channel walls of detent, the front end of location-plate is provided with U-shaped cotter way, alignment pin is fitted with U-shaped cotter way, the end of alignment pin is inserted on clamp body vertically, the middle part of clamp body front end is provided with front pressuring plate, the middle part of clamp body rear end is provided with rear fender, the preceding inner side for compressing projection and being arranged on detent, the inner side that projection is arranged on detent is compressed afterwards.The utility model is used for the milling of thrust pad both sides step.
Description
Technical field
It the utility model is related to machining technology field, and in particular to a kind of for milling thrust pad both sides step
Fixture.
Background technology
Thrust pad in gas turbine, it is the axial thrust for balancing rotor.The dead point of rotor expansion is established, so as to
Ensure that the axial gap between rotor and cylinder is controlled in scope of design.Thrust pad structure is complex, symmetrical for sector
Structure, several thrust pads are shown along bearing circumferential row, there are the step surface (A faces and C faces) to center, both sides in thrust pad both sides
A faces do not only have size tolerance requirements, and A faces surface quality also requires very high, and surface roughness is not more than 1.6 μm, so, to processing
A brings difficulty in face, is that this will use Milling Process, it is necessary to which design specialized fixture, could facilitate and be processed on milling machine.
Utility model content
The utility model is in order to solve existing thrust pad in Milling Process, and Set and Positioning is inconvenient, low production efficiency,
The problem of machining accuracy is difficult to control, and then propose a kind of fixture for milling thrust pad both sides step.
The utility model adopts the technical scheme that to solve above-mentioned technical problem：
A kind of fixture for milling thrust pad both sides step include clamp body, front pressuring plate, alignment pin, location-plate, after
Pressing plate, right shell body and right baffle-plate, right shell body are fixed in the side in the middle part of clamp body upper surface, and right baffle-plate is fixed in clamp body upper end
The opposite side of Middle face, right shell body are be arranged in parallel with right baffle-plate, and location-plate is installed between right shell body and right baffle-plate, location-plate
Rear end is provided with detent, and angle is provided between two side channel walls of detent, and the front end of location-plate is provided with U-shaped cotter way, U-shaped
Alignment pin is fitted with cotter way, the end of alignment pin is inserted on clamp body vertically, and the middle part of clamp body front end is provided with front pressuring plate,
The middle part of clamp body rear end is provided with rear fender, and the middle part of front pressuring plate and rear fender passes through the second studs, the first nut respectively
It is connected with the second nut with clamp body, support block is connected with the lower surface of front pressuring plate front end, support block passes through the first double end spiral shell
Post is connected with clamp body, and the middle part of front pressuring plate rear end is provided with U-shaped groove, is respectively equipped with the lower surface of U-shaped groove notch both sides
Preceding compression projection, the preceding inner side for compressing projection and being arranged on detent, the bottom of rear fender rear end are provided with regulation carrying bolt, adjusted
The lower end spinning of carrying bolt is saved on clamp body, adjusts and is installed with thin nut on carrying bolt, thin nut is arranged on clamp body
Upper surface on, the lower surface of rear fender front end compresses projection after being provided with, the rear inner side for compressing projection and being arranged on detent.
The beneficial effect that the utility model includes compared with prior art is：
The utility model solves the processing problem of the shoulder terrace of thrust bearing shoe two, and in a unit, thrust bearing shoe has very
More than one piece, by the utility model, quickly and accurately clamping thrust pad, production efficiency it can improve more than 70%；By fixed
The setting of position plate, can realize the precise positioning of thrust pad, ensure that the machining accuracy of workpiece；And positioned by changing
Plate, the thrust pad of different dimensions can be processed, realizes versatility, greatly reduces processing cost.
Brief description of the drawings
Fig. 1 is the front view of thrust pad in the utility model；
Fig. 2 is the B direction views in Fig. 1；
Fig. 3 is the integrally-built front sectional view of the utility model；
Fig. 4 is the integrally-built top view of the utility model.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 4, one kind described in present embodiment is used for milling
The fixture of thrust pad both sides step includes clamp body 1, front pressuring plate 4, alignment pin 9, location-plate 10, rear fender 12, right shell body 17
With right baffle-plate 18, right shell body 17 is fixed in the side in the middle part of the upper surface of clamp body 1, and right baffle-plate 18 is fixed in the upper surface of clamp body 1
The opposite side at middle part, right shell body 17 are be arranged in parallel with right baffle-plate 18, and location-plate 10 is installed between right shell body 17 and right baffle-plate 18,
The rear end of location-plate 10 is provided with detent 10-1, and angle α, location-plate 10 are provided between detent 10-1 two side channel walls
Front end be provided with U-shaped cotter way 10-2, be fitted with alignment pin 9 in U-shaped cotter way 10-2, the end of alignment pin 9 is inserted into fixture vertically
On body 1, the middle part of the front end of clamp body 1 is provided with front pressuring plate 4, and the middle part of the rear end of clamp body 1 is provided with rear fender 12, and front pressuring plate 4 is with after
The middle part of pressing plate 12 is connected by the second studs 5, the first nut 8 and the second nut 7 with clamp body 1 respectively, before front pressuring plate 4
Support block 3 is connected with the lower surface at end, support block 3 is connected by the first studs 2 with clamp body 1, the rear end of front pressuring plate 4
Middle part is provided with U-shaped groove 4-1, and projection 4-2 is compressed before being respectively equipped with the lower surface of U-shaped groove 4-1 notches both sides, and preceding compression is convex
Block 4-2 is arranged on detent 10-1 inner side, and the bottom of the rear end of rear fender 12 is provided with regulation carrying bolt 13, regulation support spiral shell
The lower end spinning of bolt 13 adjusts on clamp body 1 and is installed with thin nut 14 on carrying bolt 13, thin nut 14 is arranged on clamp body
On 1 upper surface, the lower surface of the front end of rear fender 12 compresses projection 12-1 after being provided with, and the rear projection 12-1 that compresses is arranged on positioning
Groove 10-1 inner side.
In present embodiment, by the clamping of clamp body 1 on milling machine table, right shell body 17 and right baffle-plate 18 are fixed on fixture
The both sides of body 1, location-plate 10 are arranged between right shell body 17 and right baffle-plate 18, and the left and right directions of location-plate 10 is defined,
Location-plate 10 comes on alignment pin 9 always after having to preceding movement, realizes the positioning on the fore-and-aft direction of location-plate 10, thrust pad is set
Put in detent 10-1 inner side, positioned with detent 10-1 two side channel walls, after being close to location-plate 10, before
The preceding compression projection 4-2 of pressing plate 4 is pressed in the both sides of front side upper surface among thrust pad, and passes through the first studs 2, second
Studs 5, the first nut 8 and the second nut 7 are compressed, and thrust pad is pressed in the rear compression projection 12-1 of rear fender 12
The upper surface of middle rear side, and by adjusting carrying bolt 13, thin nut 14, the second studs 5, the first nut 8 and second
Nut 7 is compressed.So, thrust pad effectively position and compress, it is possible to start to process the side stage of thrust pad two
Rank (A faces and C faces), after a thrust pad completes processing, front pressuring plate 4 and rear fender 12 are unclamped, thrust pad is taken out, changes one
Individual thrust pad is put into the detent 10-1 of location-plate 10, continues to process, until completing all thrust pad both sides step
Processing.
Embodiment two：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, location-plate 10 described in present embodiment and folder
Texolite 11 is provided between specific 1, texolite 11 is fixed on the upper surface of clamp body 1.Other compositions and connected mode and tool
Body embodiment one is identical.
The texolite 11 being so designed that, effectively to protect the babbit on thrust pad, prevent from wearing.
Embodiment three：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, the upper surface of clamp body 1 described in present embodiment
Middle part be connected with backing plate 19, texolite 11 is fixed in the upper end of backing plate 19, and the front and rear sides of backing plate 19 have been respectively and fixedly connected with positioning
Block 20.Other compositions and connected mode are identical with embodiment two.
It is so designed that and both mitigates clamp weight, ensures the rigidity of clamp body again.
Embodiment four：Illustrate present embodiment, the second studs 5 described in present embodiment with reference to Fig. 3 to Fig. 4
The vertical spinning in lower end on clamp body 1 and locating piece 20, the first nut 8 and the second nut are installed with the second studs 5
7, the first nut 8 is arranged on the upper end of locating piece 20, and second nut 7 of the second studs 5 is arranged on front pressuring plate on front pressuring plate 4
4 upper end, the second nut 7 of the second studs 5 is arranged on the upper end of rear fender 12 on rear fender 12.Other compositions and connection
Mode is identical with embodiment three.
Embodiment five：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, the second nut 7 is with before described in present embodiment
Packing ring 6 is respectively equipped between pressing plate 4 and rear fender 12.Other compositions and connected mode are identical with embodiment four.
Embodiment six：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, right shell body 17 described in present embodiment and a left side
Baffle plate 18 is affixed by straight pin 15 and hexagon socket head cap screw 16 and clamp body 1 respectively.Other compositions and connected mode and specific reality
It is identical to apply mode one, two, three, four or five.
It is designed so as to realize effective fixation of right shell body 17 and right baffle-plate 18, at the same it is easy for removal and installation.
Embodiment seven：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, detent 10-1 described in present embodiment
Two side channel walls between angle α be 60 °.Other compositions and connected mode are identical with embodiment six.
It is so designed that to meet positioning and installation of the both sides as the thrust pad of 60 ° of angles.Both sides are the thrust of 60 ° of angles
Tile fragment is the most frequently used size.
Embodiment eight：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, right shell body 17 described in present embodiment and a left side
The depth of parallelism between the medial surface of baffle plate 18 is 0.02mm.Other compositions and connected mode and embodiment one, two, three,
4th, five or seven is identical.
It is so designed that to ensure effective positioning of location-plate 10, the positioning precision of location-plate 10 is improved, so as to improve thrust
The positioning precision and machining accuracy of tile fragment.
Embodiment nine：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, two before and after clamp body 1 described in present embodiment
U-shaped locating slot 1-1 is respectively equipped with the middle part of end.Other compositions and connected mode are identical with embodiment eight.
It is so designed that and clamp body 1 is positioned and locked by U-shaped locating slot 1-1, to realize clamp body 1 in milling machine
On effective clamping.
Embodiment ten：Illustrate present embodiment with reference to Fig. 3 to Fig. 4, backing plate 19 described in present embodiment and positioning
Block 20 is welded to connect with clamp body 1 respectively.Other compositions and connected mode are identical with embodiment nine.
It is so designed that the integral rigidity for improving clamp body 1.
Operation principle
Both sides A faces are processed, not only size also has tolerance, and surface quality also has very high requirement, in order to ensure drawing
Design requirement, processing efficiency is improved, in the utility model, with the contour localization of thrust pad both sides, be close on clamp body 1 and determine
The detent 10-1 of position plate 10 two side channel walls, location-plate 10 is by right shell body 17, right baffle-plate 18 and alignment pin 9 in fixture
Positioned on body 1, be pressed on by front pressuring plate 4 and rear fender 12 among thrust pad above, thrust pad is effectively positioned and pressed from both sides
Tightly, so, thrust pad both sides step A faces and C faces can be processed.By the utility model, operator can be so as to
It is processed promptly, ensure that the design requirement of thrust pad.
Claims (10)
- A kind of 1. fixture for milling thrust pad both sides step, it is characterised in that：Described one kind is used for milling thrust pad The fixture of both sides step includes clamp body (1), front pressuring plate (4), alignment pin (9), location-plate (10), rear fender (12), right shell body (17) and right baffle-plate (18), right shell body (17) are fixed in the side in the middle part of clamp body (1) upper surface, and right baffle-plate (18) is fixed in folder The specifically opposite side in the middle part of (1) upper surface, right shell body (17) be arranged in parallel with right baffle-plate (18), and location-plate (10) is installed on right gear Between plate (17) and right baffle-plate (18), the rear end of location-plate (10) is provided with detent (10-1), and the two of detent (10-1) Angle (α) is provided between individual side channel wall, the front end of location-plate (10) is provided with U-shaped cotter way (10-2), inserted in U-shaped cotter way (10-2) There is alignment pin (9), the end of alignment pin (9) is inserted on clamp body (1) vertically, and the middle part of clamp body (1) front end is provided with preceding press Plate (4), the middle part of clamp body (1) rear end are provided with rear fender (12), and the middle part of front pressuring plate (4) and rear fender (12) passes through respectively Two studs (5), the first nut (8) and the second nut (7) are connected with clamp body (1), on the lower surface of front pressuring plate (4) front end Support block (3) is connected with, support block (3) is connected by the first studs (2) with clamp body (1), in front pressuring plate (4) rear end Portion is provided with U-shaped groove (4-1), and projection (4-2), preceding pressure are compressed before being respectively equipped with the lower surface of U-shaped groove (4-1) notch both sides Tight projection (4-2) is arranged on detent (10-1) inner side, and the bottom of rear fender (12) rear end is provided with regulation carrying bolt (13) the lower end spinning of carrying bolt (13), is adjusted on clamp body (1), is adjusted and is installed with thin nut on carrying bolt (13) (14), thin nut (14) is arranged on the upper surface of clamp body (1), and the lower surface of rear fender (12) front end compresses convex after being provided with Block (12-1), the inner side that projection (12-1) is arranged on detent (10-1) is compressed afterwards.
- A kind of 2. fixture for milling thrust pad both sides step according to claim 1, it is characterised in that：The positioning Texolite (11) is provided between plate (10) and clamp body (1), texolite (11) is fixed on the upper surface of clamp body (1).
- A kind of 3. fixture for milling thrust pad both sides step according to claim 2, it is characterised in that：The fixture Be connected with backing plate (19) in the middle part of body (1) upper surface, texolite (11) is fixed in the upper end of backing plate (19), backing plate (19) it is front and rear Both sides have been respectively and fixedly connected with locating piece (20).
- A kind of 4. fixture for milling thrust pad both sides step according to claim 3, it is characterised in that：Described second The vertical spinning in lower end of studs (5) is installed with clamp body (1) and locating piece (20) on the second studs (5) One nut (8) and the second nut (7), the first nut (8) are arranged on the upper end of locating piece (20), the second double end on front pressuring plate (4) The second nut (7) of stud (5) is arranged on the upper end of front pressuring plate (4), the second spiral shell of the second studs (5) on rear fender (12) Female (7) are arranged on the upper end of rear fender (12).
- A kind of 5. fixture for milling thrust pad both sides step according to claim 4, it is characterised in that：Described second Packing ring (6) is respectively equipped between nut (7) and front pressuring plate (4) and rear fender (12).
- 6. according to a kind of fixture for milling thrust pad both sides step of claim 1,2,3,4 or 5, its feature exists In：The right shell body (17) and right baffle-plate (18) are solid by straight pin (15) and hexagon socket head cap screw (16) and clamp body (1) respectively Connect.
- A kind of 7. fixture for milling thrust pad both sides step according to claim 6, it is characterised in that：The positioning Angle (α) between two side channel walls of groove (10-1) is 60 °.
- 8. according to a kind of fixture for milling thrust pad both sides step of claim 1,2,3,4,5 or 7, its feature exists In：The depth of parallelism between the right shell body (17) and the medial surface of right baffle-plate (18) is 0.02mm.
- A kind of 9. fixture for milling thrust pad both sides step according to claim 8, it is characterised in that：The fixture U-shaped locating slot (1-1) is respectively equipped with the middle part of body (1) rear and front end.
- 10. according to a kind of fixture for milling thrust pad both sides step of claim 3 or 4, it is characterised in that：It is described Backing plate (19) and locating piece (20) are welded to connect with clamp body (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064292.0U CN207043801U (en) | 2017-08-23 | 2017-08-23 | A kind of fixture for milling thrust pad both sides step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064292.0U CN207043801U (en) | 2017-08-23 | 2017-08-23 | A kind of fixture for milling thrust pad both sides step |
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| Publication Number | Publication Date |
|---|---|
| CN207043801U true CN207043801U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721064292.0U Active CN207043801U (en) | 2017-08-23 | 2017-08-23 | A kind of fixture for milling thrust pad both sides step |
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| CN (1) | CN207043801U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228012A (en) * | 2019-07-10 | 2019-09-13 | 哈尔滨电气动力装备有限公司 | Bearing thrust watt water inlet covering of the fan is ground positioning clamping fixture |
| CN113894302A (en) * | 2021-10-29 | 2022-01-07 | 中国航发贵州红林航空动力控制科技有限公司 | Special-shaped pipe joint turning universal fixture |
| CN114309739A (en) * | 2021-12-16 | 2022-04-12 | 哈尔滨电气动力装备有限公司 | Machining process for thrust tile base of shielding motor |
-
2017
- 2017-08-23 CN CN201721064292.0U patent/CN207043801U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228012A (en) * | 2019-07-10 | 2019-09-13 | 哈尔滨电气动力装备有限公司 | Bearing thrust watt water inlet covering of the fan is ground positioning clamping fixture |
| CN113894302A (en) * | 2021-10-29 | 2022-01-07 | 中国航发贵州红林航空动力控制科技有限公司 | Special-shaped pipe joint turning universal fixture |
| CN114309739A (en) * | 2021-12-16 | 2022-04-12 | 哈尔滨电气动力装备有限公司 | Machining process for thrust tile base of shielding motor |
| CN114309739B (en) * | 2021-12-16 | 2023-09-29 | 哈尔滨电气动力装备有限公司 | Processing technology of thrust tile base of shielding motor |
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