CN203210155U - Spherical surface polishing machine - Google Patents
Spherical surface polishing machine Download PDFInfo
- Publication number
- CN203210155U CN203210155U CN 201320188093 CN201320188093U CN203210155U CN 203210155 U CN203210155 U CN 203210155U CN 201320188093 CN201320188093 CN 201320188093 CN 201320188093 U CN201320188093 U CN 201320188093U CN 203210155 U CN203210155 U CN 203210155U
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- CN
- China
- Prior art keywords
- sand belt
- bearing
- gear
- belt support
- valve core
- 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 - Fee Related
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Abstract
The utility model relates to a spherical surface polishing machine. A motor a drives a driving wheel to rotate through a V-belt, a motor b is connected with a spindle of a sphere after being decelerated by a worm reducer and drives the spindle to rotate, the spindle is supported on a rack, a valve core of a ball valve is installed on the spindle, a polishing belt support is connected to the interior of the rack through a center supporting bearing, the driving wheel is connected to the polishing belt support, a guide wheel and a driven wheel are further connected to the polishing belt support, a polishing belt is wound on the driving wheel, the guide wheel and the driven wheel, the polishing belt rotates along with the rotation of the driving wheel, the valve core on the spindle makes contact with the polishing belt, the rotary direction of the valve core and the rotary direction of the polishing belt are opposite, an oscillating bar slide block mechanism is hinged to the polishing belt support, a wheel gear a is also installed on the spindle, a wheel gear b meshed with the wheel gear a is installed on the rack, the wheel gear b is connected with the oscillating bar slide block mechanism, and the spindle drives the wheel gear a to enable the polishing belt support to swing around the center supporting bearing through the wheel gear b and the oscillating bar slide block mechanism. The spherical surface polishing machine is even in polished surface contact, high in polishing quality and wide in application range.
Description
Technical field:
The utility model relates to accurate ball valve and makes the process equipment field, relates to a kind of ball valve core spherical polishing machine in particular.
Background technology:
The ball valve core surface is sphere, and its processing precision direct influence sealing and service life, common processing method is to polish after the grinding.Spherical polishing machine commonly used is belt spherical polishing machine, sand belt is the plane, and the ball valve core surface is curved surface, will make sphere and sand belt even contact for making its sphere obtain uniform polish, both the two sides will relatively rotate certain angle, so just need spheroid or sand belt to do certain angle and rotate, so that each position of Even Grinding curved surface.The spheroid of using now that mostly is rotates simultaneously and need turn an angle around vertical axis around axis, belongs to compound motion, complex structure, and this is bigger to big spheroid vibrations, influence polishing precision.
The utility model content:
The purpose of this utility model is to provide a kind of spherical polishing machine at the deficiencies in the prior art part, and the method that adopts the sand belt support to swing around the centre bearing bearing reaches the purpose of uniform polish, and its burnishing surface contact is even, quality of finish height, applied range.
Technology solution of the present utility model is as follows:
The spherical polishing machine, comprise frame, sand belt, motor a and motor b, motor a drives the driving wheel rotation by the V band, motor b is linked to each other with the spheroid main shaft by positive coupling after slowing down by worm reducer, and the drive main axis rotation, main shaft is supported on the frame by duplex bearing, it is characterized in that: by axle sleeve ball valve core is housed on the described main shaft, and the external diameter of axle sleeve and adjustable in length, so that the ball valve core of clamping different size; Connect a sand belt support by the centre bearing bearing in the described frame; Described driving wheel is connected on the sand belt support, also is connected with a guide wheel and driven pulley on the sand belt support, and the lateral attitude of guide wheel on the sand belt support can be regulated; Described guide wheel is middle thin, the circular arc revolving body that two ends are thick; Described sand belt is on driving wheel, guide wheel and driven pulley, and the uniform rotation with the rotation of driving wheel; Ball valve core on the described main shaft contacts with sand belt, and ball valve core turn to switched in opposite with sand belt; Ball pivot connects a rocker-slider mechanism on the described sand belt support, gear a also is housed on the described main shaft, the gear b that is meshed with gear a is housed on the frame, connecting rod in gear b and the rocker-slider mechanism links together by bearing pin, and gear b is provided with three apart from the bearing pin of center of circle diverse location, as main shaft driven gear a, make the sand belt support around centre bearing bearing reciprocally swinging by gear b and rocker-slider mechanism, make sand belt and sphere even contact everywhere.
As preferably, described centre bearing bearing is taper roll bearing or slide thrust bearing.
As preferably, described sand belt support can be around the centre bearing reciprocally swinging, and is arranged with two semi arch slideways that can support the swing of sand belt support in the frame, and centered by the center of circle of semi arch slideway the center of circle of block bearing.
As preferably, described ball valve core one side is by axle sleeve, the shaft shoulder, and opposite side is fixed on the main shaft by back-up ring and locking nut.。
The beneficial effects of the utility model are:
1. by axle sleeve ball valve core is housed on the utility model main shaft, has simplified clamping device, and the external diameter of axle sleeve and adjustable in length, so that the ball valve core of clamping different size, such machine can polish the spheroid of a plurality of sizes, applied range.
2. the utility model adopts the sand belt support around the method for centre bearing bearing reciprocally swinging, can avoid big spheroid swing unstable, influences the deficiency of precision, and it can improve polishing efficiency and quality.
3. guide wheel of the present utility model is middle thin, and the circular arc revolving body that two ends are thick makes sand belt and ball valve core form close curvature like this, and polishing area strengthens, and efficient improves.
4. on the utility model main shaft gear a is housed also, the gear b that is meshed with gear a is housed on the frame, connecting rod in gear b and the rocker-slider mechanism links together by bearing pin, and gear b is provided with three apart from the bearing pin of center of circle diverse location, as main shaft driven gear a, by gear b and rocker-slider mechanism the sand belt support is swung around the centre bearing bearing, like this by the fixed pin shaft position on the adjusting gear b, can change pivot angle size and the swing speed of sand belt support, be suitable for the spheroid of different size, the range of work is wide.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is front view of the present utility model;
Fig. 2 is vertical view of the present utility model, only relates to rocker-slider mechanism and syndeton part thereof;
Fig. 3 is left view of the present utility model;
Fig. 4 is the part graph of a relation on the main shaft of the present utility model;
Fig. 5 is the structural representation sketch of rocker-slider mechanism of the present utility model;
In Fig. 1 ~ 5: 1-frame; 2-sand belt; 3-motor a; 4-motor b; 5-V band; 6-driving wheel; 7-worm reducer; 8-main shaft; 9-duplex bearing; 10-axle sleeve; 11-ball valve core; 12-back-up ring; 13-locking nut; 14-centre bearing bearing; 15-sand belt support; 16-guide wheel; 17-driven pulley; 18-rocker-slider mechanism; 19-gear a; 20-gear b; 21-semi arch slideway.
The specific embodiment:
Embodiment, see accompanying drawing 1 ~ 5, the spherical polishing machine, comprise frame 1, sand belt 2, motor a3 and motor b4, motor a is with 5 to drive driving wheel 6 rotations by V, and motor b is linked to each other with spheroid main shaft 8 by positive coupling after slowing down by worm reducer 7, and drive main axis rotation, main shaft is supported on the frame by duplex bearing 9, and duplex bearing and worm reducer form and be rigidly connected, and guarantees that main axis rotation is steady.
By axle sleeve 10 ball valve core 11 is housed on the described main shaft, and the external diameter of axle sleeve and adjustable in length, so that the ball valve core of clamping different size; Described ball valve core one side is by axle sleeve, the shaft shoulder, and opposite side is fixed on the main shaft by back-up ring 12 and locking nut 13.The ball valve core of different-diameter only need be changed axle sleeve and can finish accurate assembling like this, has the wide advantage of polish parts size range.
Connect a sand belt support 15 by centre bearing bearing 14 in the described frame; Described driving wheel is connected on the sand belt support, also is connected with a guide wheel 16 and driven pulley 17 on the sand belt support, and the lateral attitude of guide wheel on the sand belt support can be regulated; Described guide wheel is middle thin, the circular arc revolving body that two ends are thick; Guide wheel plays guiding and tension, its lateral attitude is adjustable can both to contact the ball valve core of different-diameter well with sand belt, it is thin in the middle of guide wheel is made, the thick circular arc rotary structure in two ends is that curvature approaches when sand belt is contacted with ball valve core, contact-making surface is bigger, make ball valve core obtain uniform polish, improve polishing efficiency and quality.
Described sand belt is on driving wheel, guide wheel and driven pulley, and the uniform rotation with the rotation of driving wheel; Ball valve core on the described main shaft contacts with sand belt, and ball valve core turn to switched in opposite with sand belt, finish the polishing motion.
Ball pivot connects a rocker-slider mechanism 18 on the described sand belt support, gear a19 also is housed on the described main shaft, the gear b20 that is meshed with gear a is housed on the frame, connecting rod in gear b and the rocker-slider mechanism links together by bearing pin, and gear b is provided with three apart from the bearing pin of center of circle diverse location, as main shaft driven gear a, make the sand belt support around centre bearing bearing reciprocally swinging by gear b and rocker-slider mechanism, so just formed rocker-slider mechanism, and pivot angle size and swing speed can be by the bearing pin position on the gear b and the gearratio adjustment of gear a and gear b, the sand belt support can be made small angle oscillation around central support shaft, and purpose is that sand belt can be ground to the sphere each several part.
Described centre bearing bearing is taper roll bearing or slide thrust bearing.
Be arranged with two semi arch slideways 21 that can support sand belt support swing in the described frame, and the center of circle of block bearing centered by the center of circle of semi arch slideway, because both sides need be supported during the swing of sand belt support, so design semi arch slideway plays a supportive role.
Above-described embodiment is the specific descriptions that the utility model is carried out; just the utility model is further specified; can not be interpreted as the restriction to the utility model protection domain, those skilled in the art makes some nonessential improvement and adjusts according to the content of above-mentioned utility model and all falls within the protection domain of the present utility model.
Claims (4)
1. spherical polishing machine, comprise frame, sand belt, motor a and motor b, motor a drives the driving wheel rotation by the V band, motor b is linked to each other with the spheroid main shaft by positive coupling after slowing down by worm reducer, and the drive main axis rotation, main shaft is supported on the frame by duplex bearing, it is characterized in that: by axle sleeve ball valve core is housed on the described main shaft, and the external diameter of axle sleeve and adjustable in length, so that the ball valve core of clamping different size; Connect a sand belt support by the centre bearing bearing in the described frame; Described driving wheel is connected on the sand belt support, also is connected with a guide wheel and driven pulley on the sand belt support, and the lateral attitude of guide wheel on the sand belt support can be regulated; Described guide wheel is middle thin, the circular arc revolving body that two ends are thick; Described sand belt is on driving wheel, guide wheel and driven pulley, and the uniform rotation with the rotation of driving wheel; Ball valve core on the described main shaft contacts with sand belt, and ball valve core turn to switched in opposite with sand belt; Ball pivot connects a rocker-slider mechanism on the described sand belt support, gear a also is housed on the described main shaft, the gear b that is meshed with gear a is housed on the frame, connecting rod in gear b and the rocker-slider mechanism links together by bearing pin, and gear b is provided with three apart from the bearing pin of center of circle diverse location, as main shaft driven gear a, make the sand belt support around centre bearing bearing reciprocally swinging by gear b and rocker-slider mechanism, make sand belt and sphere even contact everywhere.
2. spherical polishing machine according to claim 1, it is characterized in that: described centre bearing bearing is taper roll bearing or slide thrust bearing.
3. spherical polishing machine according to claim 1, it is characterized in that: described sand belt support can be around the centre bearing reciprocally swinging, and be arranged with two semi arch slideways that can support the swing of sand belt support in the frame, centered by the center of circle of semi arch slideway the center of circle of block bearing.
4. spherical polishing machine according to claim 1 is characterized in that: described ball valve core one side is by axle sleeve, the shaft shoulder, and opposite side is fixed on the main shaft by back-up ring and locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188093 CN203210155U (en) | 2013-04-13 | 2013-04-13 | Spherical surface polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188093 CN203210155U (en) | 2013-04-13 | 2013-04-13 | Spherical surface polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210155U true CN203210155U (en) | 2013-09-25 |
Family
ID=49199725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320188093 Expired - Fee Related CN203210155U (en) | 2013-04-13 | 2013-04-13 | Spherical surface polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142663A (en) * | 2019-05-22 | 2019-08-20 | 施阿丹 | A kind of ball for ball valve periphery self-acting grinding machine and application method |
-
2013
- 2013-04-13 CN CN 201320188093 patent/CN203210155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142663A (en) * | 2019-05-22 | 2019-08-20 | 施阿丹 | A kind of ball for ball valve periphery self-acting grinding machine and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140413 |