CN203993530U - Grinding valve-face dish end positioning device - Google Patents
Grinding valve-face dish end positioning device Download PDFInfo
- Publication number
- CN203993530U CN203993530U CN201420312084.8U CN201420312084U CN203993530U CN 203993530 U CN203993530 U CN 203993530U CN 201420312084 U CN201420312084 U CN 201420312084U CN 203993530 U CN203993530 U CN 203993530U
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- China
- Prior art keywords
- axle sleeve
- ball head
- supporting base
- valve
- positioning device
- 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.)
- Expired - Lifetime
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- 230000013011 mating Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 5
- 238000010009 beating Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a kind of grinding valve-face dish end positioning device, comprise drive unit, axle sleeve, ball head and bulb supporting base, the rod end of the extension bar of drive unit be arranged in axle sleeve and with axle sleeve Joint, axle sleeve other end inwall is provided with bearing, ball head is installed in bearing and stretches out axle sleeve, in axle sleeve, between extension bar and ball head, be provided with spring, the end face of bulb supporting base contacts with valve disk terminal, the bottom surface of bulb supporting base is provided with the spherical concave surface matching with the bulb of ball head, and bulb supporting base is connected by its mating surface with ball head.This positioner can strengthen grinding rigidity, reduces grinding vibration waviness, burn and surface run_out, improves air-tightness in valve use procedure.
Description
Technical field
The utility model relates to part of automobile engine processing and manufacturing field, the dish end bearing positioner while relating in particular to a kind of grinding valve-face.
Background technology
The valve of engine is in its throat, and it is responsible for sealed combustion chamber and controls the turnover of combustion gas and waste gas, is a very accurate part, and its quality is the essential condition that guarantees combustion engine powered performance, economic performance, reliability and durability.The location clamping mode of the dish conical surface is very large on the machining accuracy of valve and working (machining) efficiency impact.The valve-face processing mode adopting is at present generally rod end surface location, supporting rod portion carries out grinding, to stretch out the length of clamp body longer for Valve Disc like this, clamping force is far away apart from mill pin stress point, the grinding rigidity of valve is not enough, during valve-face grinding, easily produce grinding vibration waviness, burn and surface run_out etc., directly cause the air-tightness in valve use procedure, be the production of valve and the critical defect in mechanism, cause percent defective higher.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of grinding rigidity that strengthens can realize grinding valve-face time is provided, and reduces grinding vibration waviness, burn and surface run_out, improves the grinding valve-face dish end positioning device of air-tightness in valve use procedure.
The utility model is achieved by the following technical solution:
Grinding valve-face dish end positioning device, comprise drive unit, axle sleeve, ball head and bulb supporting base, the rod end of the extension bar of drive unit be arranged in axle sleeve and with axle sleeve Joint, axle sleeve other end inwall is provided with bearing, ball head is installed in bearing and stretches out axle sleeve, in axle sleeve, between extension bar and ball head, be provided with spring, the end face of bulb supporting base contacts with valve disk terminal, the bottom surface of bulb supporting base is provided with the spherical concave surface matching with the bulb of ball head, and bulb supporting base is connected by its mating surface with ball head.In axle sleeve, be provided with spring, the size of the dial end bearing power by round nut and pad, guarantees supporting role.
The extension bar of described drive unit is provided with screw thread, by locking nut and spring shim and axle sleeve Joint.
The bottom surface of described bulb supporting base is provided with dowel hole, and the top of ball head is provided with dowel hole, ball head axle body is provided with screw and regulates locating hole, and bulb supporting base is connected with ball head by alignment pin and adjustment screw.
In described axle sleeve, be provided with three bearings and a plane of orientation bearing.
Described ball head axle body is provided with stopper slot, and axle sleeve outer wall is fixedly connected with the spacing displacement sheet of L-type, and one end of spacing displacement sheet is fastened in stopper slot.Stopper slot is set certain width, and the width of stopper slot is 1.5-3.5mm, and the effect of spacing displacement sheet is to prevent that ball head dislocation from going out.
Described drive unit is cylinder.
The extension bar action of the utility model drive unit cylinder, makes to be installed on bulb supporting base on extension bar and is close to valve retainer end face and realizes valve disk terminal surface bearing.Specific works process is: valve is positioned on the valve fixture of lathe, then start cylinder, when the piston in cylinder stretches out, by the screw thread on extension bar, via locking nut and spring shim, be connected with axle sleeve, after bulb supporting base contacts with valve retainer end face, bulb supporting base contacts with ball head hemispherical place, during at this moment bulb supporting base supporting valve retainer end face, be in elastic bearing state, when supporting valve retainer end face, can effectively avoid coiling beating of end face, the interference of avoiding beating in the time of can making bulb supporting base supporting valve retainer end face, bulb supporting base is connected with ball head by alignment pin and adjustment screw, in the screw of axle sleeve right side, be provided with spring, the size of the dial end bearing power by round nut and pad, guarantee supporting role, axle sleeve is provided with bearing and plane bearing in left side, ball head is installed in bearing, guarantee that ball head is with the rotation of valve, axle sleeve outer wall is provided with the spacing displacement sheet of L-type, by cruciform slot screw and pad, be connected with axle sleeve, ball head axle body is provided with the stopper slot of 3.5mm, one end of spacing displacement sheet is fastened in stopper slot, when support pressure is adjusted to duty, by spacing displacement sheet, control the axial displacement of ball head, effectively solve the scattered error problem of valve overall length, after valve has supported by grinding valve-face dish end positioning device, valve fixture on lathe just clamps valve, and grinding is carried out in emery wheel feeding.
The utility model compared with prior art has following beneficial effect:
1, after bulb supporting base of the present utility model contacts with valve retainer end face, bulb supporting base contacts with ball head hemispherical place, during at this moment bulb supporting base supporting valve retainer end face, be in elastic bearing state, when supporting valve retainer end face, can effectively avoid coiling beating of end face, the interference of avoiding beating in the time of can making bulb supporting base supporting valve retainer end face.
2, bulb supporting base of the present utility model is connected with ball head by alignment pin and adjustment screw, in the screw of axle sleeve right side, is provided with spring, and the size of the dial end bearing power by round nut and pad guarantees supporting role.
3, in axle sleeve of the present utility model left side, be provided with bearing, ball head is installed in bearing, guarantees that ball head is with the rotation of valve.
4, axle sleeve outer wall of the present utility model is provided with spacing displacement sheet, ball head axle body is provided with stopper slot, one end of spacing displacement sheet is fastened in stopper slot, when support pressure is adjusted to duty, by spacing displacement sheet, control the axial displacement of ball head, effectively solve the scattered error problem of valve overall length.
The apical ring supporting of dish end face when 5, the utility model can be realized valve-face grinding, strengthens grinding rigidity, reduces grinding vibration waviness, burn and surface run_out, improves air-tightness in valve use procedure, improves the machining accuracy of valve, the rate of reducing the number of rejects and seconds.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Sequence number in figure: 1, extension bar, 2, axle sleeve, 3, ball head, 4, bulb supporting base, 5, bearing, 6, spring, 7, locking nut, 8, spring shim, 9, alignment pin, 10, adjustment screw, 11, stopper slot, 12, spacing displacement sheet.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
Shown in Figure 1, a kind of grinding valve-face dish end positioning device, comprise drive unit cylinder, axle sleeve 2, ball head 3 and bulb supporting base 4, the rod end of the extension bar 1 of cylinder is arranged in axle sleeve 2, and extension bar 1 is provided with screw thread and passes through locking nut 7 and spring shim 8 and axle sleeve 2 Joints; Axle sleeve 2 other end inwalls are provided with bearing 5, are specially three bearings and a plane of orientation bearing; Ball head 3 is installed in bearing 5 and stretches out axle sleeve 2, in axle sleeve, between extension bar 1 and ball head 3, is provided with spring 6, is provided with spring 6 in axle sleeve, the size of the dial end bearing power by locking nut 7 and spring shim 8, assurance supporting role; The end face of bulb supporting base 4 contacts with valve disk terminal, the bottom surface of bulb supporting base 4 is provided with the spherical concave surface matching with the bulb of ball head 3, bulb supporting base 4 is connected by its mating surface with ball head 3, the bottom surface of bulb supporting base 4 is provided with dowel hole, the top of ball head 3 is provided with dowel hole, ball head 3 axle bodies are provided with screw and regulate locating hole, and bulb supporting base 4 is connected with ball head 3 by alignment pin 9 and adjustment screw 10; Ball head 3 axle bodies are provided with stopper slot 11, axle sleeve 2 outer walls are fixedly connected with the spacing displacement sheet 12 of L-type, one end of spacing displacement sheet 12 is fastened in stopper slot 11, stopper slot 11 is set certain width, the width of stopper slot 11 is 1.5-3.5mm, and the effect of spacing displacement sheet 12 is to prevent that ball head 3 dislocation from going out.
Embodiment is just for the ease of understanding the technical solution of the utility model; do not form the restriction to the utility model protection domain; every interior any simple modification, equivalent variations and modification of perhaps according to technical spirit of the present utility model, above scheme being done that does not depart from technical solutions of the utility model, within all still belonging to the utility model protection domain.
Claims (7)
1. grinding valve-face dish end positioning device, it is characterized in that: comprise drive unit, axle sleeve (2), ball head (3) with bulb supporting base (4), the extension bar of drive unit rod end be (1) arranged on axle sleeve (2) in and with (2) Joint of axle sleeve, (5) axle sleeve (2) other end inwall is provided with bearing, ball head be (3) installed on bearing (5) in and stretch out axle sleeve (2), in axle sleeve extension bar (1) and ball head be provided with spring (6) between (3), bulb supporting base end face (4) contacts with valve disk terminal, bulb supporting base bottom surface is (4) provided with the spherical concave surface matching with ball head bulb (3), (3) (4) bulb supporting base be connected by its mating surface with ball head.
2. grinding valve-face dish end positioning device according to claim 1, is characterized in that: (1) the extension bar of described drive unit is provided with screw thread, by locking nut (7) and spring shim (8) with (2) Joint of axle sleeve.
3. grinding valve-face dish end positioning device according to claim 2, it is characterized in that: described bulb supporting base bottom surface is (4) provided with dowel hole, ball head top be (3) provided with dowel hole, ball head (3) axle body be provided with screw and regulate locating hole, bulb supporting base (4) by alignment pin (9) and adjustment screw be (10) (3) connected with ball head.
4. grinding valve-face dish end positioning device according to claim 3, is characterized in that: described axle sleeve is provided with three bearings and a plane of orientation bearing in (2).
5. according to the grinding valve-face dish end positioning device described in claim 1,2,3 or 4, it is characterized in that: (11) described ball head (3) axle body is provided with stopper slot, (12) axle sleeve (2) outer wall is fixedly connected with the spacing displacement sheet of L-type, spacing displacement sheet one end be (12) fastened on stopper slot (11) in.
6. according to the grinding valve-face dish end positioning device described in claim 1,2,3 or 4, it is characterized in that: described drive unit is cylinder.
7. grinding valve-face dish end positioning device according to claim 5, is characterized in that: described drive unit is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312084.8U CN203993530U (en) | 2014-06-13 | 2014-06-13 | Grinding valve-face dish end positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312084.8U CN203993530U (en) | 2014-06-13 | 2014-06-13 | Grinding valve-face dish end positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993530U true CN203993530U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420312084.8U Expired - Lifetime CN203993530U (en) | 2014-06-13 | 2014-06-13 | Grinding valve-face dish end positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029122A (en) * | 2014-06-13 | 2014-09-10 | 江苏鑫悦汽车零部件有限公司 | Disc-end positioning device for grinding valve cones |
-
2014
- 2014-06-13 CN CN201420312084.8U patent/CN203993530U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029122A (en) * | 2014-06-13 | 2014-09-10 | 江苏鑫悦汽车零部件有限公司 | Disc-end positioning device for grinding valve cones |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |