CN209095206U - A kind of plug valve grinding machine - Google Patents
A kind of plug valve grinding machine Download PDFInfo
- Publication number
- CN209095206U CN209095206U CN201821859001.1U CN201821859001U CN209095206U CN 209095206 U CN209095206 U CN 209095206U CN 201821859001 U CN201821859001 U CN 201821859001U CN 209095206 U CN209095206 U CN 209095206U
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- valve body
- grinding
- plate
- middle platform
- platform
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Abstract
The utility model discloses a kind of plug valve grinding machines, the grinder is conducive to the installation of valve body before the milling, pass through the setting of positioning seat, valve body can be accurately placed in the underface of valve plug, the adjustment operation of initial alignment is eliminated, and since the inner cavity of positioning seat is in cone structure, there is different diameter of bores, various sizes of valve body can be accommodated, applicability is wide.It itself rotates during the grinding process for limiting valve body, which has the shape feature of linking arm using valve body both ends, and positioning column is arranged in the two sides at valve body both ends, is rotated with limiting valve body itself；And two positioning columns are symmetrical arranged with middle Platform center, and by rotating gear, two positioning columns are remained with the symmetrically arranged state of middle Platform center, so that two positioning column synchronization actions clamp valve body；And two the distance between positioning column it is adjustable, can adapt to limit various sizes of valve body.
Description
Technical field
The utility model relates to valve body milling apparatus field more particularly to a kind of plug valve grinding machines.
Background technique
Since there are mismachining tolerance, i.e., valve body, the taper between cock body coincide without so good, face between valve body and cock body
There are gaps between face, will leak in pressurization, and valve has leakage just unqualified.In order to eliminate between valve body and cock body
Gap, that must be mutually being ground between valve body and cock body.
More universal mode is underhand polish, and cock body is fixed on an extension bar, grinding material is coated on cock body
Material, then cock body is put into valve body, cock body is rotated, manually with the goodness of fit, the finish reached.But worker is ground to hand
Dynamic grinding, grinding efficiency is low, and worker expends that physical efficiency is excessive, large labor intensity；And hand lapping, sealing surface stress is not when grinding
, cause some places more grind, some places grind less than；In addition, for itself in the presence of the valve body that can grind defect, worker's grinding
Effect is not significant.
Utility model content
The technical problem to be solved by the utility model is to provide one kind to fix convenient for valve body, with improve grinding efficiency and
A kind of plug valve grinding machine of the goodness of fit between valve body and cock body.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of plug valve grinding machine, is characterized in that, comprising:
One rack, including horizontally disposed upper plate and lower plate and vertical vertical plate connecting the two, in upper plate and
A grinding space is formed between lower plate and on front side of vertical plate；
One fixture is fixed on grinding top of space vertically, including the scroll chuck for fixing cock body；
One grinding table, positioned at the underface of fixture, including be fixedly connected sequentially up and down and between all have the upper flat of spacing
Platform, middle platform and lower platform, wherein
The center vertical of the middle platform, which is equipped with, adjusts shaft, and the both ends for adjusting shaft respectively can with upper, middle platform
Rotation connection, and the lower end for adjusting shaft passes through middle platform, forms a driving handle, is equipped with an adjusting in the adjusting shaft
Gear, the forward and backward or arranged on left and right sides of the adjustment gear are equipped with the adjusting gear rack engaged, put down on two adjusting gear racks
Platform central symmetry is equipped with positioning column, and the positioning column is extending vertically into above upper mounting plate；
The part that the upper mounting plate corresponds to adjusting gear rack offers the first slide opening, and the positioning column is located in the first slide opening,
And can slide along, the center of the upper mounting plate is equipped with the positioning seat for placing valve body, and inner cavity is in the cone of small end direction
Body structure；
One first driving portion is located at below lower platform, for driving grinding table with the rotation of its center；
One second driving portion is located at below the first driving portion, for driving grinding table to move up and down.
A further technical solution lies in further include the support frame for being supported to grinding table, support frame as described above packet
The support plate being positioned horizontally between the first driving portion and the second driving portion is included, and is fixed on the annular slab above support plate, institute
The top surface for stating annular slab offers a ring annular groove, and the bottom surface of the lower platform is equipped with a circle can be convex in what is slided in annular groove
Looping.
A further technical solution lies in it is sliding to offer second below each adjusting gear rack of correspondence on the middle platform
Hole, the adjusting gear rack are equipped with the threaded shank across the second slide opening, are equipped in middle platform upper and lower and match with threaded shank screw thread
Locking nut.
A further technical solution lies in the fixture further includes the suspended axle in inverted " t " shape structure, the suspended axle
Upper end be fixed on upper plate, there is the protruding block being axially arranged along it, the suspended axle on the side wall of the suspended axle lower part
Lower removable be arranged with the cushion collar in " n " shape, the inner wall of the cushion collar offers the sliding slot with protruding block male-female engagement,
Buffer spring is arranged on suspended axle above the cushion collar, the scroll chuck is fixed below cushion collar.
The beneficial effects of adopting the technical scheme are that
The grinder is conducive to the installation of valve body before the milling, by the setting of positioning seat, can accurately set valve body
In the underface of valve plug, the adjustment operation of initial alignment is eliminated, and since the inner cavity of positioning seat is in cone structure, is had not
Same diameter of bore, can accommodate various sizes of valve body, applicability is wide.
It itself rotates during the grinding process for limiting valve body, which has the shape of linking arm using valve body both ends
Shape feature is arranged positioning column in the two sides at valve body both ends, is rotated with limiting valve body itself；And two positioning columns are with middle platform
Center symmetric setting, by rotating gear, two positioning columns are remained with the symmetrically arranged state of middle Platform center, so that two is fixed
Position column synchronization action clamps valve body；And two the distance between positioning column it is adjustable, can adapt to limit various sizes of valve body
Position.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of upper mounting plate described in the utility model；
Fig. 3 is the overlooking structure diagram of middle platform described in the utility model；
Fig. 4 is the structural schematic diagram of fixture described in the utility model；
Fig. 5 is the fit structure schematic diagram of valve body and positioning column in the utility model.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that described embodiment is a part of the embodiment of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those skilled in the art are obtained without making creative work
Every other embodiment, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
As shown in fig. 1~fig. 5, a kind of plug valve grinding machine, including a rack 10, the fixture for fixing cock body 101, one
Grinding table immediately below fixture, the first driving portion 40 for driving grinding table to rotate with its center, and for driving
The second driving portion 50 that grinding table moves up and down.Wherein the first driving portion 40 uses motor, and the second driving portion 50 uses hydraulic cylinder,
And the movement of hydraulic cylinder can be opened control by the time relay.
Rack 10 includes horizontally disposed upper plate and lower plate and vertical vertical plate connecting the two, in upper plate under
A grinding space is formed between bottom plate and on front side of vertical plate.
Fixture is fixed on grinding top of space vertically, that is, is fixed on upper plate, including the three-jaw for fixing cock body 101
Chuck 21, using the fixed cock body 101 of scroll chuck 21, it is firm to install.
Grinding table is located at the underface of fixture, including be fixedly connected sequentially up and down and between all have the upper mounting plate of spacing
31, middle platform 32 and lower platform 33, wherein
The center vertical of middle platform 32 be equipped with adjust shaft 38, it is described adjust shaft 38 both ends by bearing respectively with
Upper, middle platform 32 is rotatably connected, and the lower end for adjusting shaft 38 passes through middle platform 32, forms a driving handle, operator
Rotary shaft rotation can be driven by rotating the handle.An adjustment gear 34, the adjusting tooth are installed on adjusting shaft 38
The forward and backward or arranged on left and right sides of wheel 34 is equipped with the adjusting gear rack 35 that engages, with middle 32 center pair of platform on two adjusting gear racks 35
Claim to be equipped with positioning column 36, the positioning column 36 is extending vertically into 31 top of upper mounting plate, can be two tune by rotating adjustment gear 34
It saves rack gear 35 to move backward, i.e., the distance between changeable two positioning columns 36.
The part of the corresponding adjusting gear rack 35 of upper mounting plate 31 offers the first slide opening 311, and it is sliding that the positioning column 36 is located at first
In hole 311, and it can slide along, the center of the upper mounting plate 31 is equipped with the positioning seat 312 for placing valve body 102, in
Chamber is in the cone structure of small end direction.
First driving portion 40 is located at 33 lower section of lower platform, the axis body that is provided centrally in 33 bottom of lower platform, the first driving
The output shaft in portion 40 is connect with the axis body by shaft coupling.Second driving portion 50 is located at 40 lower section of the first driving portion.
Matched valve plug at work, is installed on fixture by the grinder first, and is applied and spread grounds travel；Then by valve
Body 102 is fixed on grinding table, in the process firstly the need of rotation adjustment gear 34, make two positioning columns 36 separate it is enough away from
From, and two positioning columns 36 are set before and after direction of rotation, then valve body 102 is placed in positioning seat 312 again, is reversely rotated
Adjustment gear 34 keeps two positioning columns 36 close and clamps 102 both ends of valve body, places 102 rotation of valve body.By valve plug and valve body
102 after the installation is completed, opens the first driving portion 40 and the second driving portion 50, and hydraulic system is controlled by the time and is promoted to station
Abrasion site, in lifting process, the rotation of motor driven grinding table makes valve body 102 and valve plug carry out cooperation grinding, is ground to one
After fixing time, hydraulic cylinder is shunk, and grinding table decline, motor powers off at the same time, and grinding table stops operating, and staff, which checks, to grind
Grind effect, it is qualified such as to grind, then rotating adjustment gear 34 separates two positioning columns 36, and valve body 102 is removed, more renew wait grind
Valve body 102, such as grinds unqualified, then is again started up the first driving portion 40 and the second driving portion 50 carries out secondary grinding, until grinding
Merge lattice.
The grinder is conducive to the installation of valve body 102 before the milling, can be by valve body 102 by the setting of positioning seat 312
It is accurately placed in the underface of valve plug, eliminates the adjustment operation of initial alignment, and since the inner cavity of positioning seat 312 is in cone
Structure has different diameter of bores, can accommodate various sizes of valve body 102, applicability is wide.
It itself rotates during the grinding process for limiting valve body 102, which has connection using 102 both ends of valve body
The shape feature of arm is arranged positioning column 36 in the two sides at 102 both ends of valve body, itself is rotated with limiting valve body 102；And two
Positioning column 36 is with middle 32 center symmetric setting of platform, and by rotating gear, two positioning columns 36 are remained with middle 32 center of platform
Symmetrically arranged state, so that two positioning columns, 36 synchronization action clamps valve body 102；And two the distance between positioning column 36 can
It adjusts, can adapt to limit various sizes of valve body 102.
The grinder further includes the support frame 37 for being supported to grinding table, with prevent the output shaft of the first driving by
Power is excessive.Support frame 37 includes the support plate being positioned horizontally between the first driving portion 40 and the second driving portion 50, and is fixed on
Annular slab above support plate, the top surface of the annular slab offer a ring annular groove, and the bottom surface of the lower platform 33 is equipped with one
Circle can be in the protrusion circle 331 slided in annular groove, and grinding table protrusion circle 331 in rotation rotates in ring annular groove, supports
Frame 37 will not be rotated with grinding table.
Valve body 102 acts in locating rod in stress in order to prevent, and locating rod is caused to be slided, so the edge on middle platform 32
The second slide opening 321 is offered below corresponding each adjusting gear rack 35, the adjusting gear rack 35 is equipped with across the second slide opening 321
Threaded shank 351, in middle 32 upper and lower of platform be equipped with the matched locking nut of 351 screw thread of threaded shank, be adjusted in positioning column 36
After suitable position, by screwing locking nut, adjusting gear rack 35 and middle platform 32 can be made to lock.
Fixture further includes the suspended axle 22 in inverted " t " shape structure, and upper plate is fixed in the upper end of the suspended axle 22, institute
Stating has the protruding block 23 being axially arranged along it on the side wall of 22 lower part of suspended axle, the lower removable of the suspended axle 22 is arranged with
In the cushion collar 24 of " n " shape, the inner wall of the cushion collar 24 offers the sliding slot with 23 male-female engagement of protruding block, protruding block 23
Setting, so that cushion collar 24 is merely able to along 22 axial-movement of suspended axle, and cannot rotate, the suspended axle 22 above cushion collar 24
On be arranged with buffer spring 25, the scroll chuck 21 is fixed on 24 lower section of cushion collar.By the setting of buffer spring 25, reduce
What is occurred between valve body 102 and cock body 101 kills phenomenon.
The above is only the preferred embodiments of the utility model, anyone content according to the present utility model is to the utility model
A little simple modification, deformation and the equivalent replacement made each falls within the protection scope of the utility model.
Claims (4)
1. a kind of plug valve grinding machine characterized by comprising
One rack (10), including horizontally disposed upper plate and lower plate and vertical vertical plate connecting the two, in upper plate and
A grinding space is formed between lower plate and on front side of vertical plate；
One fixture is fixed on grinding top of space vertically, including the scroll chuck (21) for fixing cock body (101)；
One grinding table, positioned at the underface of fixture, including be fixedly connected sequentially up and down and between all have the upper mounting plate of spacing
(31), middle platform (32) and lower platform (33), wherein
The center vertical of the middle platform (32) be equipped with adjust shaft (38), it is described adjust shaft (38) both ends respectively with it is upper,
Middle platform (32) is rotatably connected, and the lower end for adjusting shaft (38) passes through middle platform (32), forms a driving handle, the tune
It is equipped with an adjustment gear (34) on section shaft (38), the forward and backward or arranged on left and right sides of the adjustment gear (34) is equipped with nibbles with it
The adjusting gear rack (35) of conjunction is equipped with positioning column (36) with middle platform (32) central symmetry on two adjusting gear racks (35), the positioning
Column (36) is extending vertically into above upper mounting plate (31)；
The part of the upper mounting plate (31) corresponding adjusting gear rack (35) offers the first slide opening (311), positioning column (36) position
It in the first slide opening (311), and can slide along, the center of the upper mounting plate (31) is equipped with for placing valve body (102)
Positioning seat (312), inner cavity are in the cone structure of small end direction；
One first driving portion (40) is located at below lower platform (33), for driving grinding table with the rotation of its center；
One second driving portion (50) is located at below the first driving portion (40), for driving grinding table to move up and down.
It further include for being supported to grinding table 2. a kind of plug valve grinding machine according to claim 1, is characterized in that
Support frame (37), support frame as described above (37) includes being positioned horizontally in branch between the first driving portion (40) and the second driving portion (50)
Fagging, and it is fixed on the annular slab above support plate, the top surface of the annular slab offers a ring annular groove, the lower platform
(33) bottom surface is equipped with a circle can be in the protrusion circle (331) slided in annular groove.
3. a kind of plug valve grinding machine according to claim 1, is characterized in that, each along correspondence on the middle platform (32)
It is offered the second slide opening (321) below adjusting gear rack (35), the adjusting gear rack (35) is equipped with across the second slide opening (321)
Threaded shank (351) is equipped with and the matched locking nut of threaded shank (351) screw thread in middle platform (32) upper and lower.
4. a kind of plug valve grinding machine according to claim 1, is characterized in that, the fixture further includes in inverted " t " shape
Upper plate is fixed in the suspended axle (22) of structure, the upper end of the suspended axle (22), on the side wall of suspended axle (22) lower part
With the protruding block (23) being axially arranged along it, the lower removable of the suspended axle (22) is arranged with the cushion collar in " n " shape
(24), the inner wall of the cushion collar (24) offer with the sliding slot of protruding block (23) male-female engagement, above cushion collar (24)
It is arranged on suspended axle (22) buffer spring (25), the scroll chuck (21) is fixed below cushion collar (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859001.1U CN209095206U (en) | 2018-11-12 | 2018-11-12 | A kind of plug valve grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859001.1U CN209095206U (en) | 2018-11-12 | 2018-11-12 | A kind of plug valve grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209095206U true CN209095206U (en) | 2019-07-12 |
Family
ID=67159196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821859001.1U Active CN209095206U (en) | 2018-11-12 | 2018-11-12 | A kind of plug valve grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209095206U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
| CN116197772A (en) * | 2023-05-06 | 2023-06-02 | 成都乘风阀门有限责任公司 | Plug valve grinder |
| RU224011U1 (en) * | 2023-12-22 | 2024-03-12 | Руслан Владимирович Дорошенко | Device for grinding in valve surfaces and seats of the cylinder head of an internal combustion engine |
-
2018
- 2018-11-12 CN CN201821859001.1U patent/CN209095206U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
| CN116197772A (en) * | 2023-05-06 | 2023-06-02 | 成都乘风阀门有限责任公司 | Plug valve grinder |
| RU224011U1 (en) * | 2023-12-22 | 2024-03-12 | Руслан Владимирович Дорошенко | Device for grinding in valve surfaces and seats of the cylinder head of an internal combustion engine |
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