CN109434686A - A kind of auxiliary mould for the positive and negative flat surface grinding of valve seat - Google Patents
A kind of auxiliary mould for the positive and negative flat surface grinding of valve seat Download PDFInfo
- Publication number
- CN109434686A CN109434686A CN201811349518.0A CN201811349518A CN109434686A CN 109434686 A CN109434686 A CN 109434686A CN 201811349518 A CN201811349518 A CN 201811349518A CN 109434686 A CN109434686 A CN 109434686A
- Authority
- CN
- China
- Prior art keywords
- fixed
- clamp arm
- valve seat
- positive
- flat surface
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of auxiliary moulds for the positive and negative flat surface grinding of valve seat for belonging to technical field of mechanical processing, including pedestal, the nut through the second fixed frame is fixed in the middle part of second fixed frame, the inner thread of the nut is connected with threaded rod, the threaded rod is fixed with turntable far from one end of machine table, the other end of the threaded rod is fixed with bearing, Return spring is fixedly connected between first fixed link and the second fixed link, fixed block is run through in one end of the push rod, the set casing is rotatably connected to clamp arm by shaft, clamp arm spring is fixed in the middle part of the clamp arm, the setting that the auxiliary mould for being used for the positive and negative flat surface grinding of valve seat passes through clamp arm, belt can be fixed on the valve seat of grinding, pass through the setting of belt, valve cup ring can be fixed around wrapping up, it can be to the valve seat of different radii It is fixed, and increases forced area, be not easy that valve seat is made to be damaged.
Description
Technical field
The present invention relates to technical field of mechanical processing more particularly to a kind of backmans for the positive and negative flat surface grinding of valve seat
Dress.
Background technique
Valve seat is detachable face component in valve, is used to support spool closed positions, and constitute sealing pair, and general valve seat is straight
Diameter is valve maximum flow diameter, makes an important component in valve.The clamping that reasonably stability is needed when grinding is being processed,
Make valve seat stress equalization, in order to avoid valve seat processing is made to generate unnecessary damage and error.
But currently on the market valve seat grinding auxiliary mould, it is unreasonable to the clamping of valve seat, can not make valve seat by
Power is balanced, can not the valve seat to various sizes effectively clamped, may be because of power and in the relatively thin valve seat of processing table wall
It spends greatly, valve seat unbalance stress makes valve seat deform, or even fracture.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and propose a kind of for the positive antiplane of valve seat
The auxiliary mould of grinding.
To achieve the goals above, present invention employs following technical solutions: a kind of for the positive and negative flat surface grinding of valve seat
Auxiliary mould, including pedestal, the upper table wall of the pedestal are fixed with machine table, and it is fixed that the side of the machine table is fixed with first
Frame, the other side of the machine table are fixed with the second fixed frame, are fixed in the middle part of second fixed frame fixed through second
The nut of frame, the inner thread of the nut are connected with threaded rod, and the threaded rod is fixed with turntable far from one end of machine table,
The other end of the threaded rod is fixed with bearing, and the bearing is fixed with jacking block far from one end of threaded rod, the machine table
Upper table wall is fixed with fixed block, and the fixed block side wall is fixed with the second fixed link, and the inner wall of the fixed block slidably connects
Push rod, the side wall of the push rod are fixed with the first fixed link, are fixedly connected between first fixed link and the second fixed link
Fixed block is run through in one end of Return spring, the push rod, and the other end of the push rod and the side wall of the first fixed frame are respectively and fixedly provided with
Set casing is provided with the shaft through set casing in the set casing, and the set casing is rotatably connected to clamp arm by shaft, institute
It states and is fixed with clamp arm spring in the middle part of clamp arm, the clamp arm is fixed with belt far from one end of set casing.
Preferably, the external screw thread of the threaded rod is adapted with the internal screw thread of nut.
Preferably, the arc-shaped bending of clamp arm spring, being internally provided with of clamp arm spring are fixedly connected curved with clamp arm
The outside of curved bar, clamp arm spring is provided with telescoping tube.
Preferably, the outer surface of the belt is frosted hair side.
Preferably, the quantity of the set casing is two, clamp arm there are two rotation connections on each set casing, in clamp arm
Portion is bent to same level.
Preferably, the quantity of the Return spring is two, and two Return springs are located at the two sides of push rod.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is provided with clamp arm and belt and belt can be fixed on the valve seat of grinding by the setting of clamp arm,
By the setting of belt, valve cup ring can be fixed around wrapping up, the valve seat of different radii can be fixed, and
And increase forced area, it is not easy that valve seat is made to be damaged.
(2) present invention is provided with bearing, by the setting of bearing, can eliminate jacking block and push the torsion generated when push rod,
To push rod be made to be rotated by torsion, keep the clamping of workpiece more stable, and when loosening jacking block without overcoming torsion
Power makes to remove more convenient laborsaving.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view of the invention；
Schematic diagram when Fig. 3 is inventive belt relaxation；
Schematic diagram when Fig. 4 is inventive belt clamping workpiece.
In figure: 1, turntable；2, threaded rod；3, nut；4, bearing；5, jacking block；6, fixed block；7, push rod；8, clamp arm；9, skin
Band；10, set casing；11, the first fixed frame；12, machine table；13, pedestal；14, the second fixed frame；15, clamp arm spring；16,
One fixed link；17, the second fixed link；18, Return spring；19, shaft；20, valve seat.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-Fig. 4, the present invention provides a kind of technical solution: a kind of for the auxiliary of the positive and negative flat surface grinding of valve seat
Assistant engineer's dress, including pedestal 13, the upper table wall of pedestal 13 are fixed with machine table 12, and the side of machine table 12 is fixed with the first fixed frame
11, the other side of machine table 12 is fixed with the second fixed frame 14, and the middle part of the second fixed frame 14 is fixed with through the second fixed frame
14 nut 3, the inner thread of nut 3 are connected with threaded rod 2, and threaded rod 2 is fixed with turntable 1 far from one end of machine table 12,
The other end of threaded rod 2 is fixed with bearing 4, and bearing 4 is fixed with jacking block 5, the upper table wall of machine table 12 far from one end of threaded rod 2
It is fixed with fixed block 6,6 side wall of fixed block is fixed with the second fixed link 17, and the inner wall of fixed block 6 slidably connects push rod 7, push rod
7 side wall is fixed with the first fixed link 16, is fixedly connected with Return spring 18 between the first fixed link 16 and the second fixed link 17,
Fixed block 6 is run through in one end of push rod 7, and the side wall of the other end of push rod 7 and the first fixed frame 11 is respectively and fixedly provided with set casing 10, fixation
It is provided with the shaft 19 through set casing 10 in shell 10, set casing 10 is rotatably connected to clamp arm 8 by shaft 19, in clamp arm 8
Portion is fixed with clamp arm spring 15, and clamp arm 8 is fixed with belt 9 far from one end of set casing 10.
In the present embodiment, it is preferred that the external screw thread of threaded rod 2 is adapted with the internal screw thread of nut 3, makes threaded rod 2 can be with
More stable rotates in nut 3, to keep the movement of jacking block 5 more stable.
In the present embodiment, it is preferred that the arc-shaped bending of clamp arm spring 15, clamp arm spring 15 are internally provided with and clamp arm 8
The bent stick being fixedly connected, the outside of clamp arm spring 15 are provided with telescoping tube, protect clamp arm spring 15, avoid 15 quilt of clamp arm spring
External impurities are blocked.
In the present embodiment, it is preferred that the outer surface of belt 9 is frosted hair side, so that belt is had biggish coefficient of friction, makes valve
The clamping of seat is more firm.
In the present embodiment, it is preferred that the quantity of set casing 10 is two, and there are two folders for rotation connection on each set casing 10
Arm 8, in the middle bent to same level of clamp arm 8, the convenient sustained height in object clamps object, will not make object receiving force
Unevenness generates the case where pop-up.
In the present embodiment, it is preferred that the quantity of Return spring 18 is two, and two Return springs 18 are located at push rod 7
Two sides, make 7 stress equalization of push rod, slided in fixed block 6 more smooth.
Working principle: in use, first rotating turntable 1, threaded rod 2 moves outside 3 inward turning transfer of nut, band dynamic bearing
4, to drive jacking block 5 far from fixed block 6, push rod 7 is mobile towards jacking block 5 under the action of Return spring 18, drives push rod 7 one
The set casing 10 and clamp arm 8 of side move together, and distance becomes larger between two belts 9, and clamp arm 8 is opened under the action of clamp arm spring 15
It opens, belt 9 extends, and will prepare that the valve seat being ground is needed to be placed between corresponding two belts 9 in 12 upper surface of machine table
Position rotates backward turntable 1, and threaded rod 2 is reversely rotated in nut 3 and moved into device, band dynamic bearing 4, to drive top
Block 5 pushes push rod 7, keeps two belts 9 close close to fixed block 6, jacking block 5, and belt 9 touches valve seat wall, bends, after
Continuous rotation turntable 1, is clamped in what valve seat consolidated between belt 9, can be ground to valve seat.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat, including pedestal (13), it is characterised in that: the pedestal (13)
Upper table wall be fixed with machine table (12), the side of the machine table (12) is fixed with the first fixed frame (11), the machine table
(12) the other side is fixed with the second fixed frame (14), is fixed in the middle part of second fixed frame (14) through the second fixed frame
(14) inner thread of nut (3), the nut (3) is connected with threaded rod (2), and the threaded rod (2) is far from machine table
(12) one end is fixed with turntable (1), and the other end of the threaded rod (2) is fixed with bearing (4), and the bearing (4) is far from spiral shell
One end of rasp bar (2) is fixed with jacking block (5), and the upper table wall of the machine table (12) is fixed with fixed block (6), the fixed block
(6) side wall is fixed with the second fixed link (17), and the inner wall of the fixed block (6) slidably connects push rod (7), the push rod (7)
Side wall be fixed with the first fixed link (16), be fixedly connected with back between first fixed link (16) and the second fixed link (17)
It draws spring (18), fixed block (6) are run through in one end of the push rod (7), the other end and the first fixed frame (11) of the push rod (7)
Side wall be respectively and fixedly provided with set casing (10), the shaft (19) through set casing (10) is provided in the set casing (10), it is described
Set casing (10) is rotatably connected to clamp arm (8) by shaft (19), is fixed with clamp arm spring (15) in the middle part of the clamp arm (8),
The clamp arm (8) is fixed with belt (9) far from the one end of set casing (10).
2. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat according to claim 1, it is characterised in that: the spiral shell
The external screw thread of rasp bar (2) is adapted with the internal screw thread of nut (3).
3. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat according to claim 1, it is characterised in that: the folder
Arm spring (15) arc-shaped bending, clamp arm spring (15) are internally provided with the bent stick being fixedly connected with clamp arm (8), clamp arm bullet
The outside of spring (15) is provided with telescoping tube.
4. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat according to claim 1, it is characterised in that: the skin
The outer surface of band (9) is frosted hair side.
5. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat according to claim 1, it is characterised in that: described solid
The quantity for determining shell (10) is two, and there are two clamp arm (8), the middle bents of clamp arm (8) for rotation connection on each set casing (10)
To same level.
6. a kind of auxiliary mould for the positive and negative flat surface grinding of valve seat according to claim 1, it is characterised in that: described time
The quantity for drawing spring (18) is two, and two Return springs (18) are located at the two sides of push rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349518.0A CN109434686A (en) | 2018-11-14 | 2018-11-14 | A kind of auxiliary mould for the positive and negative flat surface grinding of valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349518.0A CN109434686A (en) | 2018-11-14 | 2018-11-14 | A kind of auxiliary mould for the positive and negative flat surface grinding of valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109434686A true CN109434686A (en) | 2019-03-08 |
Family
ID=65552203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811349518.0A Pending CN109434686A (en) | 2018-11-14 | 2018-11-14 | A kind of auxiliary mould for the positive and negative flat surface grinding of valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434686A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253396A (en) * | 2019-05-18 | 2019-09-20 | 陈武琼 | A kind of automatic fixed disassembly differential grinding machine and application method |
-
2018
- 2018-11-14 CN CN201811349518.0A patent/CN109434686A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253396A (en) * | 2019-05-18 | 2019-09-20 | 陈武琼 | A kind of automatic fixed disassembly differential grinding machine and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190308 |