CN208866900U - A kind of pipe end flange plain grinding tooling - Google Patents
A kind of pipe end flange plain grinding tooling Download PDFInfo
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- CN208866900U CN208866900U CN201821541834.3U CN201821541834U CN208866900U CN 208866900 U CN208866900 U CN 208866900U CN 201821541834 U CN201821541834 U CN 201821541834U CN 208866900 U CN208866900 U CN 208866900U
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- pipe end
- end flange
- chuck
- platform
- plain grinding
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Abstract
The utility model relates to a kind of pipe end flange plain grinding toolings, pipe end flange plain grinding tooling includes platform and the chuck that is arranged on platform, at least two claws are circumferentially with along it on chuck, the clamping end of each claw is equipped with positioning step, positioning step has for the axial support surface to pipe end flange backwards to the lateral support location fit of flange sealing surface, also there is the radial clamping face for the outer peripheral surface compression fit with pipe end flange to clamp pipe end flange, platform is equipped with the levelling mechanism that chuck is adjusted, it further include that levelling mechanism adjusts the fastening bolt structure being in place afterwards securely fitted in chuck on platform.By the way that positioning step is arranged on claw and levelling mechanism is arranged on platform, improve the clamping position precision of pipe end flange, plain grinding processing is carried out convenient for flange sealing surface of the grinding wheel on grinding machine to pipe end flange, processing quality and efficiency is improved, reduces the labor intensity of worker.
Description
Technical field
The utility model relates to a kind of pipe end flange plain grinding toolings.
Background technique
In pipeline engineering, flange is mainly used for the connection of pipeline, and the end of two pipelines connected is being needed respectively to install
A piece of flange, the opposite face of two flanges are flange sealing surface, add sealing ring between two panels flange, then use bolt fastening,
To guarantee sealing effect.In order to guarantee stability that flange is connect with pipe end, generally flange is consolidated by welding
It is scheduled on pipe end, as shown in Figure 1, pipeline 101 and flange 102 are welded to connect, flange 102 is method backwards to the side of pipeline 101
Blue sealing surface 103.But in the welding process, flange sealing surface easily deforms, the sealing after causing two panels flange to fasten
Performance is poor, influences the sealing performance of pipeline.Therefore, it is necessary to be ground to the flange sealing surface after welding, to guarantee to seal
Precision.Generally flange sealing surface is ground on plane mill by man-hour manually hand-held pipe end flange in the prior art
Mill, underhand polish is higher to the technical requirements of worker, and needs to grind repeatedly, measure, and causes lapping efficiency lower.
Utility model content
The purpose of this utility model is to provide a kind of pipe end flange plain grinding toolings, artificial in the prior art to solve
Existing lapping efficiency lower problem when being ground to the flange sealing surface after welding.
To achieve the above object, the technical solution of the pipe end flange plain grinding tooling of the utility model is:
Pipe end flange plain grinding tooling includes platform for being fixed on platen and is arranged on platform
Chuck is circumferentially at least two with the use of with the claw of clamping position pipe end flange, each claw edge along it on chuck
Chuck is radially movable to be assemblied on chuck, and the clamping end of each claw is equipped with positioning step, and positioning step has for pipe
Road end flange backwards to the lateral support location fit of flange sealing surface axial support surface, also have for pipe end method
Radial clamping face of the blue outer peripheral surface compression fit to clamp pipe end flange, the platform are equipped with for adjusting chuck
So that the levelling mechanism that the outer peripheral surface of chuck is vertical with the upper surface of platform, the pipe end flange plain grinding tooling further include
Pipe end banjo clip is tightly located on chuck and chuck is securely fitted on platform afterwards in place by levelling mechanism adjusting
Fastening bolt structure.
The levelling mechanism includes that wedge block and driving wedge block are moved back and forth along the radial of chuck to adjust chuck inclination
The actuator of angle.Wedge block can accurately control the adjusting height of chuck, ensure that degree of regulation.
The platform is equipped with the guiding groove radially extended along chuck, and the wedge block guiding is slidedly assemblied in guiding
In groove.Guarantee wedge block in moving process will not run-off the straight, improve the precision of adjusting.
The platform, which is equipped with, to be extended along the radial periphery by platform of platform towards the guiding groove with recessed with guiding
The threaded hole of slot connection, threaded hole screw-internal thread fit have adjusting screw, and the actuator includes adjusting screw.Screw is adjusted to push
Wedge block sliding is more convenient, and can accurately control the movement speed of wedge block, guarantees degree of regulation.
The side of the wedge block towards the slot bottom of guiding groove is equipped with the first card slot being arranged radially and the along platform
Two draw-in groove, the size of the first card slot is less than the size of the second card slot, and the adjusting screw is in the screw Duan Shangshe in the second card slot
There is annular groove, is equipped with the stop part cooperated with the cell wall block of the second card slot in the annular groove.Stop part can prevent from adjusting screw
Rotation is de-.
The radial clamping face be for the setting circle of the arc-shaped circumference face paste tight fit of corresponding pipe end flange
Cambered surface.Make flange uniform force by face contact, reduces the deformation of the outer peripheral surface of flange in clamping process.
The positioning step all has the plane perpendicular to axial support surface, the setting circle in the two sides of positioning arc surface
Cambered surface is transitioned into the plane by transition circle cambered surface.Prevent the wedge angle of crossover position in the outer of claw clamping pipe end flange
When circumferential surface, outer peripheral surface is damaged.
Each claw includes the vertical section being arranged on chuck and connect with vertical section far from one end of chuck and laterally set
The clamping end of the extended segment set, each claw is arranged on corresponding extended segment.Extended segment can increase the intermediate space of claw with
Place pipeline.
The length of the extended segment of at least one claw is greater than the length of the extended segment of remaining claw.It increases among claw
Space, avoids interference with that some length are longer and the clamping of the end flange of the pipeline of flexure type.
The beneficial effects of the utility model are: making axial support surface by the way that positioning step is arranged on the claw on chuck
Pipe end flange is positioned backwards to the side of flange sealing surface, it is fixed that radial clamping is clamped in face of the outer peripheral surface of pipe end flange
Then position is adjusted by levelling mechanism so that the outer peripheral surface of chuck and the upper surface of platform are vertical, finally by fastening bolt knot
Chuck is securely fitted on platform by structure, the clamping position precision of pipe end flange is improved, convenient for the grinding wheel pair on grinding machine
The flange sealing surface of pipe end flange carries out plain grinding processing, improves processing quality and efficiency, the labour for reducing worker is strong
Degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pipe end flange in the prior art；
Fig. 2 is the structural schematic diagram of the pipe end flange plain grinding tooling of the utility model；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the section for adjusting screw and the cooperation of wedge block pushing tow of the pipe end flange plain grinding tooling of the utility model
Figure；
Fig. 5 is the bottom view of wedge block in Fig. 4；
Appended drawing reference: 1- platform；11- is oriented to groove；2- chuck；3- fastening bolt；The first claw of 4-；41- first extends
Section；The second claw of 5-；The second extended segment 51-；6- wedge block；The first card slot of 61-；The second card slot of 62-；7- adjusts screw；8- is fixed
Position step；81- axial support surface；82- plane；83- transition circle cambered surface；84- positions arc surface；9- check ring；101- pipeline；
102- flange；103- flange sealing surface.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the pipe end flange plain grinding tooling of the utility model, as shown in Figures 2 to 5, pipe end
Flange plain grinding tooling includes chuck 2 and is slidably assemblied in first claw 4 and three on chuck 2 along the radial direction of chuck 2
A second claw 5, the first claw 4 and the second claw 5 are arranged along the circumferential uniform intervals of chuck 2, clamp method by multiple claws
Orchid can make flange uniform force, reduce the deformation of the outer peripheral surface of flange in clamping process, and the claw in the present embodiment is along card
Disk to radially slide mode same as the prior art, repeat no more.
As shown in Fig. 2, the first claw 4 includes the first vertical section being arranged on chuck 2 and erects with first in the present embodiment
The first extended segment 41 straight section one end connection far from chuck 2 and be laterally arranged, the second claw 5 include being arranged on chuck 2
Second vertical section and the second extended segment 51 for connecting with the second vertical section far from one end of chuck 2 and being laterally arranged, increase card
The middle position of pawl is in order to place pipeline, certainly, in other embodiments, extended segment can be not provided on claw, in this way may be used
It is ground with the end flange for the lesser pipeline of diameter.In the present embodiment, the length of the first extended segment 41 is greater than second
The length of extended segment 51 increases the space among claw, avoids interference with that some length are longer and the end of the pipeline of flexure type
The clamping of flange.In other embodiments, the first extended segment is identical with the length of the second extended segment.
In the present embodiment, the axis towards chuck 2 is equipped on the clamping end of the first extended segment 41 and the second extended segment 51
Positioning step 8.As shown in figure 3, positioning step 8 have perpendicular to chuck 2 axis with to pipe end flange backwards to flange
Sealing surface lateral support positioning axial support surface 81, also have for the outer peripheral surface compression fit with pipe end flange with
The positioning arc surface 84 that pipe end flange is clamped, positioning arc surface 84 constitute radial clamping face, and positioning arc surface 84 hangs down
Directly in axial support surface 81, flange uniform force is made by face contact, reduces the deformation of the outer peripheral surface of flange in clamping process.
In other embodiments, it is not provided with positioning arc surface, the plane perpendicular to axial support surface is set.In the present embodiment, positioning table
Rank 8 all has the plane 82 perpendicular to axial support surface 81 in the two sides of positioning arc surface 84, and positioning arc surface 84 passes through transition
Arc surface 83 is transitioned into the plane 82, prevents the wedge angle between positioning arc surface 84 and plane 82 in claw clamping pipe end
When the outer peripheral surface of flange, outer peripheral surface is damaged.In other embodiments, transition circle cambered surface can be not provided with.
As shown in Figure 2 and Figure 4, pipe end flange plain grinding tooling further includes placing the platform 1 of chuck 2, and platform 1 is equipped with
Threaded hole, chuck 2 are equipped with unthreaded hole, platform 1 and chuck 2 and are fixedly connected by fastening bolt 3, threaded hole, unthreaded hole and fastening
Bolt 3 constitutes fastening bolt structure.In the present embodiment, platform 1 is equipped with the guiding groove 11 radially extended along platform 1,
Being equipped in guiding groove 11 can be arranged on chuck in other embodiments along the wedge block 6 of platform 1 radially slided
It is oriented to groove, wedge block is oriented in the guiding groove being assemblied on chuck.Driving wedge shape is equipped on platform 1 at guiding groove 11
Block 6 adjusts screw and constitutes actuator, in other embodiments, actuator is along the adjusting screw 7 of platform 1 radially slided
With the telescopic rod of wedge block fixing assembling.It adjusts screw 7 and is equipped with annular groove in the screw section in guiding groove 11, be equipped in annular groove
With the check ring 9 of 6 block of wedge block cooperation, check ring constitutes stop part, adjusts screw 7, check ring 9 and wedge shape
Block 6 constitutes levelling mechanism, pushes wedge block sliding by adjusting screw, can accurately control the adjusting height of chuck, block
Part prevents from adjusting screw and revolving taking off.In other embodiments, actuator includes the driving for adjusting screw and being arranged on adjusting screw
Block adjusts screw and passes through drive block pushing tow wedge block.In the present embodiment, the quantity of levelling mechanism was four and along the week of platform 1
It is arranged to uniform intervals, in other embodiments, the quantity of levelling mechanism is at least two.As shown in Figure 4 and Figure 5, this implementation
In example, wedge block 6 is equipped with the first card slot 61 and the second card slot 62, and the setting of guiding groove 11 is adjusting screw 7 in the second card slot
In screw section in 62, the size of the first card slot 61 less than the second card slot 62 size so that check ring 9 can be limited
In two draw-in groove 62.In other embodiments, chuck is equipped with the threaded hole axially penetrated through along it, and threaded hole internal screw thread is connected with tune
One end of flat bolt, leveling bolt towards platform presses against on platform, in leveling bolt by the upper of the outer peripheral surface of chuck and platform
After surface modulation is vertical, chuck is fixed on platform by fastening bolt.
When to pipe end flange plain grinding, 1) first the workbench of surface grinding machine is cleaned out, then by pipe end flange
The platform 1 of plain grinding tooling is put on the table, and platform base is sucked by the magnetic force of workbench；2) pipe ends of plain grinding will be needed
Flange is put on the positioning step 8 on the first claw 4 and the second claw 5, by axial support surface 81 to pipeline section flange branch
Then support positioning adjusts the first claw 4 and the second claw 5 is right by positioning arc surface 84 to pipe end banjo clip tightening position
Pipe end flange is fixed；3) with dial gauge that pipe end flange and platform 1 is levelling, by adjusting screw 7 to chuck 2
It is finely adjusted, guarantees that the outer peripheral surface of chuck 2 keeps vertical with platform 1；4) after levelling, chuck 2 is fixed on fastening bolt 3 flat
On platform 1, plain grinding processing is carried out by flange sealing surface of the grinding wheel on grinding machine to pipe end flange, until flange sealing surface
Plane is light-exposed.
The pipe end flange plain grinding tooling of the utility model makes axial support surface by the way that positioning step is arranged on claw
Pipe end flange is positioned backwards to the side of flange sealing surface, radial clamping is positioned in face of the outer peripheral surface of pipe end flange,
End flange is clamped by chuck after positioning, improves the clamp precision of chuck, convenient for the grinding wheel on grinding machine to pipe end
The flange sealing surface of flange carries out plain grinding processing, improves processing quality and efficiency, reduces the labor intensity of worker.
Claims (9)
1. pipe end flange plain grinding tooling, it is characterised in that: including for being fixed on platen platform and setting
Chuck on platform is circumferentially at least two with the use of with the card of clamping position pipe end flange along it on chuck
Pawl, each claw are assemblied on chuck along chuck is radially movable, and the clamping end of each claw is equipped with positioning step, positioning step tool
Have for the axial support surface to pipe end flange backwards to the lateral support location fit of flange sealing surface, also have for
Radial clamping face of the outer peripheral surface compression fit of pipe end flange to clamp pipe end flange, the platform, which is equipped with, to be used
In adjusting chuck so that the vertical levelling mechanism of the outer peripheral surface of chuck and the upper surface of platform, the pipe end flange plain grinding work
Dress further includes tightly being located on chuck in pipe end banjo clip and being adjusted by levelling mechanism in place afterwards by chuck fixing assembling
Fastening bolt structure on platform.
2. pipe end flange plain grinding tooling according to claim 1, it is characterised in that: the levelling mechanism includes wedge shape
Block and driving wedge block are moved back and forth along the radial of chuck to adjust the actuator of chuck tilt angle.
3. pipe end flange plain grinding tooling according to claim 2, it is characterised in that: the platform is equipped with along chuck
The guiding groove radially extended, wedge block guiding is slidedly assemblied in guiding groove.
4. pipe end flange plain grinding tooling according to claim 3, it is characterised in that: the platform is equipped with along platform
The radial periphery by platform extend the threaded hole be connected to guiding groove towards the guiding groove, threaded hole internal screw thread fills
Equipped with screw is adjusted, the actuator includes adjusting screw.
5. pipe end flange plain grinding tooling according to claim 4, it is characterised in that: the wedge block is recessed towards being oriented to
The side of the slot bottom of slot is equipped with along the first card slot of platform being arranged radially and the second card slot, and the size of the first card slot is less than second
The size of card slot, the adjusting screw are equipped with annular groove in the screw section in the second card slot, are equipped in the annular groove and the second card
The stop part of the cell wall block cooperation of slot.
6. pipe end flange plain grinding tooling according to claim 1-5, it is characterised in that: the radial clamping
Face be for the positioning arc surface of the arc-shaped circumference face paste tight fit of corresponding pipe end flange.
7. pipe end flange plain grinding tooling according to claim 6, it is characterised in that: the positioning step is in setting circle
The two sides of cambered surface all have the plane perpendicular to axial support surface, and the positioning arc surface is transitioned into described by transition circle cambered surface
Plane.
8. pipe end flange plain grinding tooling according to claim 1-5, it is characterised in that: each claw includes
The vertical section being arranged on chuck and the extended segment for connecting with vertical section far from one end of chuck and being laterally arranged, the folder of each claw
End is held to be arranged on corresponding extended segment.
9. pipe end flange plain grinding tooling according to claim 8, it is characterised in that: the extended segment of at least one claw
Length be greater than remaining claw extended segment length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821541834.3U CN208866900U (en) | 2018-09-20 | 2018-09-20 | A kind of pipe end flange plain grinding tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821541834.3U CN208866900U (en) | 2018-09-20 | 2018-09-20 | A kind of pipe end flange plain grinding tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208866900U true CN208866900U (en) | 2019-05-17 |
Family
ID=66468347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821541834.3U Active CN208866900U (en) | 2018-09-20 | 2018-09-20 | A kind of pipe end flange plain grinding tooling |
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| Country | Link |
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| CN (1) | CN208866900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175236A (en) * | 2023-04-28 | 2023-05-30 | 山西电机制造有限公司 | Drilling positioning tool and machining method for end cover and flange |
-
2018
- 2018-09-20 CN CN201821541834.3U patent/CN208866900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116175236A (en) * | 2023-04-28 | 2023-05-30 | 山西电机制造有限公司 | Drilling positioning tool and machining method for end cover and flange |
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