CN203003659U - Machine tool for running-in machining of ball and valve seat in ball valve - Google Patents

Machine tool for running-in machining of ball and valve seat in ball valve Download PDF

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Publication number
CN203003659U
CN203003659U CN 201320058018 CN201320058018U CN203003659U CN 203003659 U CN203003659 U CN 203003659U CN 201320058018 CN201320058018 CN 201320058018 CN 201320058018 U CN201320058018 U CN 201320058018U CN 203003659 U CN203003659 U CN 203003659U
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CN
China
Prior art keywords
main shaft
spheroid
valve seat
grinding head
shaft assembly
Prior art date
Application number
CN 201320058018
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Chinese (zh)
Inventor
厉斌
李相刚
庄瑞国
Original Assignee
温州市木野数控设备有限公司
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Publication date
Application filed by 温州市木野数控设备有限公司 filed Critical 温州市木野数控设备有限公司
Priority to CN 201320058018 priority Critical patent/CN203003659U/en
Application granted granted Critical
Publication of CN203003659U publication Critical patent/CN203003659U/en

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Abstract

The utility model relates to a machine tool for running-in machining of a ball and a valve seat in a ball valve. The machine tool comprises a beam, a left grinding head main shaft assembly, a right grinding head main shaft assembly, a left main shaft feeding ball screw driving system, a right main shaft feeding ball screw driving system, a ball motion control device and valve seat clamping tools, wherein the beam is provided with a guide rail. The left grinding head main shaft assembly and the right grinding head main shaft assembly are arranged on the guide rail, and the output end of the left main shaft feeding screw rod driving system and the output end of the right main shaft feeding screw rod driving system are respectively connected on the left grinding head main shaft assembly and the right grinding head main shaft assembly. The ball motion control device is arranged in the space between the left grinding head main shaft assembly and the right grinding head main shaft assembly, and the valve seat clamping tools are installed on universal heads of the output ends of the left grinding head main shaft assembly and the right grinding head main shaft. The machine tool aims to carry out the running-in and machining on the ball and the valve seat and higher grinding precision and efficiency can be obtained. Compared with the prior art, the machine tool for the running-in and the machining of the ball and the valve seat in the ball valve is controllable in the grinding quantity and the grinding precision, high in machining efficiency, and enables the matching of the ball and the valve seat to completely meet the requirements of hard sealing.

Description

A kind of lathe about spheroid in ball valve and the processing of valve seat facing-up
Technical field
The utility model relates to the sphere grinding technology, particularly a kind of lathe that spheroid in ball valve and valve seat is carried out facing-up processing.
Background technology
At present, in ball valve, the attrition process of spheroid and valve seat mainly contains following dual mode:
One, underhand polish utilize abrasive cloth to carry out the artificial surface finishing and grind, and are characterized in that efficient is low;
Two, utilize corresponding lap tool, adopt the single head pattern that spheroid is ground, be characterized in that it is non-facing-up pattern, it is low that the grinding precision that this mode obtains and efficient are compared the utility model.
Summary of the invention
The purpose of this utility model is a kind of lathe about the processing of spheroid in ball valve and valve seat facing-up of design, can to spheroid in ball valve and valve seat carry out facing-up process and can obtain higher grinding precision, efficient is higher.
In order to achieve the above object, the utility model adopts following technical solution: a kind of lathe about spheroid in ball valve and the processing of valve seat facing-up, it is characterized in that it comprises crossbeam, left and right grinding head main shaft assembly, left and right axis feeding ball screw drive system and spheroid motion control device, wherein:
Be provided with guide rail at described crossbeam, described left and right grinding head main shaft assembly is arranged on guide rail;
The output of left and right axis feeding ball screw drive system be connected on respectively on described left and right grinding head main shaft assembly;
Described right grinding head main shaft assembly or left grinding head main shaft assembly, it comprises main shaft output Universal-head, Compress Spring, rolling spline pair, main shaft, main spindle box body and spindle drive motor, the bearing of described main shaft through being complementary is installed in described main spindle box body, described rolling spline pair is installed in described main shaft, described main shaft output Universal-head is installed on described rolling spline pair, and described Compress Spring is installed on described rolling spline pair and is placed between described main shaft output Universal-head and described main shaft;
Described spheroid motion control device is arranged on locus between described left and right grinding head main shaft assembly, and it comprises numerical control rotating platform, scroll chuck, and described scroll chuck is installed on described numerical control rotating platform.
The utility model is for the relation between the rotation of axis easy for installation and the conveniently left and right grinding head main shaft of debugging and numerical control rotating platform, realize that the axis of left and right grinding head main shaft and the rotation of numerical control rotating platform keep at grade, do further to arrange to technical scheme:
The utility model also is provided with the installation fixed mesa of crossbeam, numerical control rotating platform, and it comprises base and crossbeam pad platform; Described base is arranged on the lathe bottommost, be provided with crossbeam pad platform on it table top and numerical control rotating platform installation table top are installed, described crossbeam pad platform is arranged on described crossbeam pad platform and installs on table top, described numerical control rotating platform is arranged at described numerical control rotating platform and installs on table top, and described crossbeam is mounted on described crossbeam pad platform.
The utility model is realized the facing-up to many specifications spheroid, valve seat in ball valve in order to make spheroid and valve seat installation and easy to process, and technical scheme is done further to arrange:
The utility model also is provided with left and right valve seat clamping tooling and spheroid clamping fixed axis, and described left and right valve seat clamping tooling is arranged on respectively on left and right described main shaft output Universal-head; Described spheroid clamping fixed axis lower end is clamped on described scroll chuck, and described spheroid clamping fixed axis upper end is connected with the spheroid of facing-up.
In the utility model, the numerical control rotating platform on base drives with low speed (1-2r/min) and does circumnutation through the spheroid of scroll chuck and spheroid clamping fixed axis clamping, smears in right amount the abrasive media abrasive pastes on spheroid.Left/right grinding head main shaft assembly is under the driving of left/right axis feeding ball screw drive system, be urged to the position that is complementary with spheroid with being arranged on valve seat on the valve seat clamping tooling, make under the effect of the valve seat of left/right both sides and the Compress Spring of spheroid in the grinding head main shaft assembly of both sides and form elastic pressure.When left/right both sides main shaft after drive motors drives with low speed (2-3r/min), effect in the time of due to grinding head main shaft output Universal-head and Compress Spring, valve seat and spheroid form the reciprocal motion of flexibility and the swing of valve seat body band, under the effect of abrasive media abrasive pastes, realize the finished machined of spheroid and valve seat, thereby reach final goal of the present utility model: spheroid and valve seat are realized the bedding-in finished machined.
The utility model can be controlled by left/right axis feeding ball screw drive system the amount of feeding of left/right grinding head main shaft, and under the effect of the Compress Spring in the grinding head main shaft assembly of both sides, indirectly realize the control to left/right both sides valve seat and spheroid facing-up pressure, selection and spheroid and the valve seat control of rotating speed separately by to the abrasive media abrasive pastes finally can realize the amount of grinding of spheroid and valve seat facing-up and the control of grinding precision.
Because the utility model is provided with independently valve seat clamping tooling, therefore, the clamping tooling of configurable many cover valve seats and spheroid is realized the facing-up to many specifications spheroid, valve seat in ball valve.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the present embodiment.
Fig. 2 is the structure front view of the present embodiment.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is left/right grinding head main shaft assembly structure chart in the present embodiment.
In figure: 1. crossbeam; 2. right grinding head main shaft assembly; 2 '. left grinding head main shaft assembly; 3. right valve seat clamping tooling; 3 '. left valve seat clamping tooling; 4. right axis feeding ball screw drive system; 4 '. left axis feeding ball screw drive system; 5. guide rail; 6. ball screw drive system mount pad; 7. main shaft output Universal-head; 8. Compress Spring; 9. rolling spline pair; 10. main shaft; 11. main spindle box body; 12. spindle drive motor; 13. numerical control rotating platform; 14. scroll chuck; 15. spheroid clamping fixed axis; 16. base; 17. crossbeam pad platform; 18. crossbeam pad platform is installed table top; 19. numerical control rotating platform is installed table top; 20. spheroid; 21. valve seat.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model further is elaborated.
As Figure 1-Figure 4, the present embodiment comprise crossbeam 1, left and right grinding head main shaft assembly 2 ', 2, left and right axis feeding ball screw drive system 4 ', 4, spheroid motion control device and left and right valve seat clamping tooling 3 ', 3, wherein:
Be provided with guide rail 5 and ball screw drive system mount pad 6 in the front of described crossbeam 1, described left and right grinding head main shaft assembly 2 ', 2 be arranged on guide rail 5, described left and right axis feeding ball screw drive system 4 ', 4 be arranged on described ball screw drive system mount pad 6, left and right axis feeding ball screw drive system 4 ', 4 output be connected on respectively described left and right grinding head main shaft assembly 2 ', on 2.
Described left and right axis feeding ball screw drive system 4 ', 4 control moving forward into to, one, can guaranteeing that workpiece has the suitable space of upper and lower loading and unloading, facilitates the upper and lower loading and unloading of processing work of left and right grinding head main shaft assemblies; Two, can guarantee that the processing of processing work spheroid and valve seat facing-up needs the suitable elastic pressure that obtains, to satisfy the requirement of facing-up processing.
as shown in Figure 5, described right grinding head main shaft assembly 2 ' or left grinding head main shaft assembly 2, it comprises main shaft output Universal-head 7, Compress Spring 8, rolling spline pair 9, main shaft 10, main spindle box body 11 and spindle drive motor 12, the bearing of described main shaft 10 through being complementary is installed in described main spindle box body 11, described rolling spline pair 9 is installed in described main shaft 10, described main shaft output Universal-head 7 is installed on described rolling spline pair 9, described Compress Spring 8 is installed on described rolling spline pair 9 and is placed between described main shaft output Universal-head 7 and described main shaft 10.By the enforcement in this step, its objective is to make the grinding head main shaft form one along the gyration of X-axis line; Its two, during facing-up, grinding head main shaft output can form the linear movement along axis under the spring pressure effect.
Again as Figure 1-Figure 4, described left and right valve seat clamping tooling 3 ', 3 be arranged on respectively on left and right described main shaft output Universal-head 7.
Described spheroid motion control device be arranged on described left and right grinding head main shaft assembly 2 ', on the locus between 2, it comprises numerical control rotating platform 13, scroll chuck 14 and spheroid clamping fixed axis 15, described scroll chuck is installed on described numerical control rotating platform 13, described spheroid clamping fixed axis 15 lower ends are clamped on described scroll chuck 14, and described spheroid clamping fixed axis 15 upper ends are connected with facing-up spheroid 20.
In addition, more as shown in Figure 4, the present embodiment also is provided with the installation fixed mesa of crossbeam, numerical control rotating platform, and it comprises base 16 and crossbeam pad platform 17; Described base 16 is arranged on the lathe bottommost, be provided with crossbeam pad platform on it table top 18 and numerical control rotating platform installation table top 19 are installed, described crossbeam pad platform 17 is arranged on described crossbeam pad platform and installs on table top 18, described numerical control rotating platform 13 is arranged at described numerical control rotating platform and installs on table top 20, and described crossbeam 1 is mounted on described crossbeam pad platform 17.By the setting of technique scheme, the axis of left and right grinding head main shaft and the rotation Relations Among of numerical control rotating platform are conveniently debugged, realize that the axis of left and right grinding head main shaft and the rotation of numerical control rotating platform keep on same plane.
During work, the numerical control rotating platform on base drives with low speed (1-2r/min) and does circumnutation through the spheroid of scroll chuck and spheroid clamping fixed axis clamping, smears in right amount the abrasive media abrasive pastes on spheroid.Left and right grinding head main shaft assembly 2 ', 2 left and right axis feeding ball screw drive system 4 ', under 4 driving, with be arranged on valve seat clamping tooling 3 ', valve seat 21 on 3 is urged to and the position that is complementary of spheroid 20, make under the effect of the valve seat of arranged on left and right sides and the Compress Spring of spheroid in the grinding head main shaft assembly of both sides and form elastic pressure.When the arranged on left and right sides main shaft after drive motors drives with low speed (2-3r/min), effect in the time of due to grinding head main shaft output Universal-head 7 and Compress Spring 8, valve seat 21 and spheroid 20 form the reciprocal motion of flexibilities and the swing of valve seat body band, realize the finished machined of spheroid and valve seat under the effect of abrasive media abrasive pastes, thereby reach final goal of the present utility model: spheroid and valve seat are realized the bedding-in finished machined.
The utility model can be controlled by left and right axis feeding ball screw drive system the amount of feeding of left and right grinding head main shaft, and under the effect of the Compress Spring in the grinding head main shaft assembly of both sides, indirectly realize the control to arranged on left and right sides valve seat and spheroid facing-up pressure, selection and spheroid and the valve seat control of rotating speed separately by to the abrasive media abrasive pastes finally can realize the amount of grinding of spheroid and valve seat facing-up and the control of grinding precision.
In sum, the utility model compared with prior art has the following advantages:
1, the equipment rigidity is high, dynamic property is good.Adopt the rolling guide-rail pairs of preloading due to the lathe bed part guide rails, each numerical control axis AC servomotor and ball wire bar pair drive, and rigidity is high, dynamic property is good.
2, improve the hard sealed horizontal of spheroid and valve seat.The utility model adopts valve seat and spheroid double end direct facing-up cooked mode one to one, the technique advanced person, and the facing-up precision is high and working (machining) efficiency is high, makes the requirement that can meet hard sealing fully that coordinates of spheroid and valve seat.
3, amount of grinding and grinding precision are controlled.The utility model is controlled the amount of feeding of left and right grinding head main shaft by left and right axis feeding ball screw drive system, and under the effect of the Compress Spring in the grinding head main shaft assembly of both sides, indirectly realize the control to left/right both sides valve seat and spheroid facing-up pressure, by selection and spheroid and the valve seat control of rotating speed separately to the abrasive media abrasive pastes, realize the amount of grinding of spheroid and valve seat facing-up and the control of grinding precision.
4, the facing-up of applicable many specifications spheroid, valve seat.Because the utility model is provided with independently valve seat clamping tooling, the clamping tooling of configurable many cover valve seats and spheroid is realized the facing-up to many specifications spheroid, valve seat in ball valve.

Claims (3)

1. lathe about the processing of spheroid in ball valve and valve seat facing-up, it is characterized in that it comprises crossbeam (1), left and right grinding head main shaft assembly (2 ', 2), left and right axis feeding ball screw drive system (4 ', 4) and spheroid motion control device, wherein:
Be provided with guide rail (5) in the front of described crossbeam (1), described left and right grinding head main shaft assembly (2 ', 2) is arranged on guide rail (5);
The output of left and right axis feeding ball screw drive system (4 ', 4) be connected on respectively on described left and right grinding head main shaft assembly (2 ', 2);
described right grinding head main shaft assembly (2 ') or left grinding head main shaft assembly (2), it comprises main shaft output Universal-head (7), Compress Spring (8), rolling spline pair (9), main shaft (10), main spindle box body (11) and spindle drive motor (12), the bearing of described main shaft (10) through being complementary is installed in described main spindle box body (11), described rolling spline pair (9) is installed in described main shaft (10), described main shaft output Universal-head (7) is installed on described rolling spline pair (9), described Compress Spring (8) is installed on described rolling spline pair (9) and goes up and be placed between described main shaft output Universal-head (7) and described main shaft (10),
Described spheroid motion control device is arranged on locus between described left and right grinding head main shaft assembly (2 ', 2), it comprises numerical control rotating platform (13), scroll chuck (14), and described scroll chuck is installed on described numerical control rotating platform (13).
2. a kind of lathe about the processing of spheroid in ball valve and valve seat facing-up according to claim 1 is characterized in that also being provided with the installation fixed mesa of crossbeam, numerical control rotating platform, and it comprises base (16) and crossbeam pad platform (17); Described base (16) is arranged on the lathe bottommost, be provided with crossbeam pad platform on it table top (18) and numerical control rotating platform installation table top (19) are installed, described crossbeam pad platform (17) is arranged on described crossbeam pad platform and installs on table top (18), described numerical control rotating platform (13) is arranged at described numerical control rotating platform and installs on table top (20), and described crossbeam (1) is mounted on described crossbeam pad platform (17).
3. a kind of lathe about the processing of spheroid in ball valve and valve seat facing-up according to claim 2, it is characterized in that also being provided with left and right valve seat clamping tooling (3 ', 3) and spheroid clamping fixed axis (15), described left and right valve seat clamping tooling (3 ', 3) is arranged on respectively on left and right described main shaft output Universal-head (7); Described spheroid clamping fixed axis (15) lower end is clamped on described scroll chuck (14), and described spheroid clamping fixed axis (15) upper end is connected with the spheroid (20) of facing-up.
CN 201320058018 2013-01-22 2013-01-22 Machine tool for running-in machining of ball and valve seat in ball valve CN203003659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320058018 CN203003659U (en) 2013-01-22 2013-01-22 Machine tool for running-in machining of ball and valve seat in ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320058018 CN203003659U (en) 2013-01-22 2013-01-22 Machine tool for running-in machining of ball and valve seat in ball valve

Publications (1)

Publication Number Publication Date
CN203003659U true CN203003659U (en) 2013-06-19

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103128647A (en) * 2013-01-22 2013-06-05 温州市木野数控设备有限公司 Machine tool for running-in process of ball and valve seat of ball valve
CN104191350A (en) * 2014-08-15 2014-12-10 球豹阀门有限公司 Automatic ball grinding machine
CN105014523A (en) * 2015-08-12 2015-11-04 广州中勋阀门检测有限公司 All-directional grinding tool for metal seal ball valve
CN105619207A (en) * 2016-01-28 2016-06-01 温州阿泰科机械科技有限公司 Full-automatic grinding miller for ball valve ball
CN109227355A (en) * 2018-10-10 2019-01-18 江山市志成阀门有限公司 A kind of process equipment of ball valve
CN110270909A (en) * 2019-06-11 2019-09-24 江西昌河航空工业有限公司 A kind of abrasive machining device of ball seat

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103128647A (en) * 2013-01-22 2013-06-05 温州市木野数控设备有限公司 Machine tool for running-in process of ball and valve seat of ball valve
CN104191350A (en) * 2014-08-15 2014-12-10 球豹阀门有限公司 Automatic ball grinding machine
CN105014523A (en) * 2015-08-12 2015-11-04 广州中勋阀门检测有限公司 All-directional grinding tool for metal seal ball valve
CN105014523B (en) * 2015-08-12 2017-11-10 广州中勋阀门检测有限公司 A kind of comprehensive milling tool of metal seal ball valve
CN105619207A (en) * 2016-01-28 2016-06-01 温州阿泰科机械科技有限公司 Full-automatic grinding miller for ball valve ball
CN109227355A (en) * 2018-10-10 2019-01-18 江山市志成阀门有限公司 A kind of process equipment of ball valve
CN109227355B (en) * 2018-10-10 2019-11-12 江山市志成阀门有限公司 A kind of process equipment of ball valve
CN110270909A (en) * 2019-06-11 2019-09-24 江西昌河航空工业有限公司 A kind of abrasive machining device of ball seat

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