CN103203483A - Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads - Google Patents
Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads Download PDFInfo
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- CN103203483A CN103203483A CN2012104456692A CN201210445669A CN103203483A CN 103203483 A CN103203483 A CN 103203483A CN 2012104456692 A CN2012104456692 A CN 2012104456692A CN 201210445669 A CN201210445669 A CN 201210445669A CN 103203483 A CN103203483 A CN 103203483A
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- claw
- chuck
- groove
- fixture block
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Abstract
The invention discloses a clamping device for machining a ball of a double eccentric ball valve by utilizing a locking shaft with right-hand and left-hand threads. The clamping device comprises a chuck provided with a pair of jaws, the jaws are positioned on the center line of the chuck, the chuck is provided with jaw clamping grooves, the jaws are provided with jaw clamping blocks capable of being clamped into the jaw clamping grooves, the jaws are provided with inserts, one ends of the inserts, which are close to the jaws, are movably arranged on the jaws, the ends of the inserts, which are far away from the jaws, are provided with V-shaped grooves for supporting a central shaft of the ball, and one side of one jaw, which departs from the other jaw, is provided with a stop block which extends towards the direction of the inserts and abuts against the inserts. According to the clamping device, the pair of jaws is used for clamping the ball, and auxiliary inserts are arranged for clamping position adjustment, so that the ball can be clamped rapidly and firmly, follow-up machining of the ball is facilitated, the machining efficiency of the ball can be improved effectively, and batch production of double eccentric balls can be achieved.
Description
Technical field
The present invention relates to the ball body of valve processing technique field, be specifically related to a kind of utilization with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking.
Background technology
Double-eccentric ball valve is to fail a kind of valve of broad development over past ten years always, the closure member of double-eccentric ball valve is two eccentric spheroids, spheroid is made the purpose that rotation reaches valve opening or closes around the valve body center line, and it is little that double-eccentric ball valve has fluid resistance, simple in structure, volume is little, open and close advantages such as rapid, but because the manufacturing cost of the eccentric spheroid of its pair is too high, therefore, cause the processing difficulties of double-eccentric ball valve, fail promotion and application always.The processing of existing two eccentric spheroids does not have special clamping device, and two eccentric spheroid processing can not be held well, and the offset of two eccentric spheroids that processing obtains is not accurate.
Summary of the invention
The objective of the invention is to: at the deficiencies in the prior art, it is quick to the invention provides a kind of clamping, and the utilization of accurate positioning is with the double-eccentric ball valve spheroid processing clamping device of positive and negative screw fastening mandrel.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of utilization is with the double-eccentric ball valve spheroid processing clamping device of positive and negative screw fastening mandrel, comprise chuck, be provided with the locking axis hole in the described chuck, be provided with lock shaft in the described locking axis hole, be respectively equipped with plus thread and left-hand thread on the both sides lateral wall of described lock shaft, described plus thread is opposite with the hand of spiral of left-hand thread, described chuck is provided with a pair of claw, described claw is positioned on the center line of chuck, described chuck is provided with the claw draw-in groove, described claw is provided with the claw fixture block that can snap in the claw draw-in groove, described claw fixture block extends to form fixture block extension end after snapping in the claw draw-in groove, described fixture block extends the end and is provided with the fixture block screw thread, the fixture block hand of spiral of described two claw fixture blocks is opposite, and respectively with lock shaft on plus thread and left-hand thread engagement arrange, described claw is provided with to be inserted, a described end of inserting by claw is arranged on the claw movably, a described end of inserting away from claw is provided be used to the V-shaped groove of holding the ball centre axle, the side that described claw deviates from another claw is provided with block, and described block extends and offsets with inserting to the direction of inserting.
As preferably, the side of described claw draw-in groove outside chuck opened setting, and described claw draw-in groove both sides are provided with the claw stopper slot by the diapire place, and described claw fixture block is provided with the claw limited block suitable with claw stopper slot shape.After adopting above-mentioned preferred version, after the claw fixture block snaps in the claw draw-in groove, form spacing cooperation because the claw limited block arranges with engaging of claw stopper slot, can effectively avoid the claw fixture block from the claw draw-in groove, to spin off.
As preferably, described claw fixture block is provided with clamping block by the outer side of chuck, and described clamping block is provided with the operation driving hole.After adopting above-mentioned preferred version, of the present invention after snapping in the claw fixture block in the claw draw-in groove, can utilize clamping block with claw fixture block chucking, thereby firmly spheroid to be processed be clamped, the clamping effect is better.
As preferably, described claw is provided with the draw-in groove of inserting away from the side that it cooperates with chuck, and described inserting is provided with the fixture block of inserting that can snap in the draw-in groove of inserting.After adopting above-mentioned preferred version, can make the dismounting of inserting and easier for installation, can effectively tighten and insert.
As preferably, the described draw-in groove of inserting is opened setting by the outer side of chuck, and the both sides of the described draw-in groove of inserting are provided with the stopper slot of inserting by the diapire place, and the described fixture block of inserting is provided with the insert limited block suitable with the stopper slot shape of inserting.After adopting above-mentioned preferred version, after the fixture block of inserting of the present invention embeds in the draw-in groove of inserting, form spacing cooperation because the limited block of inserting arranges with engaging of the stopper slot of inserting, the fixture block of can effectively avoiding inserting spins off from the draw-in groove of inserting.
As preferably, described V-shaped groove is symmetrical arranged along the center line of chuck.After adopting above-mentioned preferred version, process more accurate.
Utilization of the present invention utilizes a pair of claw that spheroid is clamped with the double-eccentric ball valve spheroid processing clamping device of positive and negative screw fastening mandrel, and be provided with auxiliary inserting and adjust clip position, make the spheroid clamping quick and clamping is firm, be convenient to the following process of spheroid, effectively improve the working (machining) efficiency of spheroid, realize the batch process of two eccentric spheroid processing.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the side view of the embodiment of the invention;
Fig. 3 is the plan structure schematic diagram of the embodiment of the invention;
Fig. 4 is the structural representation of the claw of the embodiment of the invention;
The structural representation that Fig. 5 inserts for the embodiment of the invention;
Fig. 6 is the structural representation of embodiment of the invention lock shaft.
The specific embodiment
As Fig. 1-shown in Figure 6, embodiments of the invention specifically are that a kind of utilization is with the double-eccentric ball valve spheroid processing clamping device of positive and negative screw fastening mandrel, comprise chuck 1, be provided with locking axis hole 12 in the chuck 1, be provided with lock shaft 7 in the locking axis hole 12, be respectively equipped with plus thread 71 and left-hand thread 72 on the both sides lateral wall of lock shaft 7, plus thread 71 is opposite with the hand of spiral of left-hand thread 72, chuck 1 is provided with a pair of claw 2, claw 2 is positioned on the center line of chuck 1, chuck 1 is provided with claw draw-in groove 11, claw 2 is provided with the claw fixture block 21 that can snap in the claw draw-in groove 11, claw fixture block 21 extends to form fixture block extension end 212 after snapping in claw draw-in groove 11, fixture block extends end 212 and is provided with the fixture block screw thread, the fixture block hand of spiral of two claw fixture blocks 21 is opposite, and respectively with lock shaft 7 on plus thread 71 and left-hand thread 72 engagement arrange, claw 2 is provided with inserts 3,3 ends by claw 2 of inserting are arranged on the claw 2 movably, 3 ends away from claw 2 of inserting are provided be used to the V-shaped groove 31 of holding ball centre axle 41, the side that claw 2 deviates from another claw 2 is provided with block 5, and block 5 extends and 3 offsets with inserting to 3 directions of inserting.
The side of claw draw-in groove 11 outside chuck 1 opened setting, and claw draw-in groove 11 both sides are provided with claw stopper slot 111 by the diapire place, and claw fixture block 21 is provided with the claw limited block 211 suitable with claw stopper slot 111 shapes.
Claw fixture block 21 is provided with clamping block 6 by chuck 1 an outer side, and clamping block 6 is provided with square operation driving hole 61.Claw 2 is provided with the draw-in groove 22 of inserting away from the side that it cooperates with chuck 1, inserts 3 to be provided with the fixture block 32 of inserting that can snap in the draw-in groove 22 of inserting.The draw-in groove 22 of inserting is opened setting by chuck 1 an outer side, and the both sides of the draw-in groove 22 of inserting are provided with the stopper slot 221 of inserting by the diapire place, and the fixture block 22 of inserting is provided with the insert limited block 321 suitable with stopper slot 221 shapes of inserting.
Add man-hour, the burr at the clamping position of two eccentric spheroid 4 blanks be removed earlier, position with the latus rectum of two eccentric spheroids 4, use the dividing head clamping, hit heart centre hole with centre drill at milling machine, make a call to second central term pin hole when turning round 180 ° again.Press the four paws center of engine lathe, it is top to join a center in the lathe central axis hole, and spheroid is headed in two central term pin holes respectively with thimble, clamps spheroid and can be rough turn goes out two spheroid axle and pillow blocks that size is identical, these two pillow blocks of fine purifiation car again, last these two axles of car.The two eccentric spheroids of double-eccentric ball valve spheroid processing clamping device clamping with band flat thread chuck of the present invention, spheroid is placed between two claws 2, utilize spanner that clamping block 6 is tightened towards spheroid 4, claw 2 is firmly clamped spheroid 4, the ball centre axle 41 of two eccentric spheroids 4 places on 3 the V-shaped groove 31 inserted, and can process the offset of spheroid 4, two hemisphere faces.
Claims (6)
1. a utilization is processed clamping device with the double-eccentric ball valve spheroid of positive and negative screw fastening mandrel, comprise chuck, it is characterized in that: be provided with the locking axis hole in the described chuck, be provided with lock shaft in the described locking axis hole, be respectively equipped with plus thread and left-hand thread on the both sides lateral wall of described lock shaft, described plus thread is opposite with the hand of spiral of left-hand thread, described chuck is provided with a pair of claw, described claw is positioned on the center line of chuck, described chuck is provided with the claw draw-in groove, described claw is provided with the claw fixture block that can snap in the claw draw-in groove, described claw fixture block extends to form fixture block extension end after snapping in the claw draw-in groove, described fixture block extends the end and is provided with the fixture block screw thread, the fixture block hand of spiral of described two claw fixture blocks is opposite, and respectively with lock shaft on plus thread and left-hand thread engagement arrange, described claw is provided with to be inserted, a described end of inserting by claw is arranged on the claw movably, a described end of inserting away from claw is provided be used to the V-shaped groove of holding the ball centre axle, the side that described claw deviates from another claw is provided with block, and described block extends and offsets with inserting to the direction of inserting.
2. utilization according to claim 1 is with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking, it is characterized in that: the side of described claw draw-in groove outside chuck opened setting, described claw draw-in groove both sides are provided with the claw stopper slot by the diapire place, and described claw fixture block is provided with the claw limited block suitable with claw stopper slot shape.
3. utilization according to claim 1 and 2 is with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking, and it is characterized in that: described claw fixture block is provided with clamping block by the outer side of chuck, and described clamping block is provided with the operation driving hole.
4. utilization according to claim 1 is with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking, it is characterized in that: described claw is provided with the draw-in groove of inserting away from the side that it cooperates with chuck, and described inserting is provided with the fixture block of inserting that can snap in the draw-in groove of inserting.
5. utilization according to claim 4 is with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking, it is characterized in that: the described draw-in groove of inserting is opened setting by the outer side of chuck, the both sides of the described draw-in groove of inserting are provided with the stopper slot of inserting by the diapire place, and the described fixture block of inserting is provided with the insert limited block suitable with the stopper slot shape of inserting.
6. utilization according to claim 1 is with the double-eccentric ball valve spheroid processing clamping device of positive and negative thread spindle locking, and it is characterized in that: described V-shaped groove is symmetrical arranged along the center line of chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104456692A CN103203483A (en) | 2012-11-08 | 2012-11-08 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104456692A CN103203483A (en) | 2012-11-08 | 2012-11-08 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103203483A true CN103203483A (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104456692A Pending CN103203483A (en) | 2012-11-08 | 2012-11-08 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103203483A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216294A (en) * | 1962-10-25 | 1965-11-09 | Norton Co Ltd Sir James Farmer | High speed bar turning machines |
| JPH10100007A (en) * | 1996-09-30 | 1998-04-21 | Fukuzo Yoshida | Chuck adapter for lathe and lathe |
| JP2000288809A (en) * | 1999-04-09 | 2000-10-17 | Shida Seisakusho:Kk | Chuck for machine tool |
| CN202174261U (en) * | 2011-08-18 | 2012-03-28 | 黄家强 | Separable flexible four-jaw chuck |
| CN202894380U (en) * | 2012-11-08 | 2013-04-24 | 嘉兴五洲阀门有限公司 | Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads |
-
2012
- 2012-11-08 CN CN2012104456692A patent/CN103203483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216294A (en) * | 1962-10-25 | 1965-11-09 | Norton Co Ltd Sir James Farmer | High speed bar turning machines |
| JPH10100007A (en) * | 1996-09-30 | 1998-04-21 | Fukuzo Yoshida | Chuck adapter for lathe and lathe |
| JP2000288809A (en) * | 1999-04-09 | 2000-10-17 | Shida Seisakusho:Kk | Chuck for machine tool |
| CN202174261U (en) * | 2011-08-18 | 2012-03-28 | 黄家强 | Separable flexible four-jaw chuck |
| CN202894380U (en) * | 2012-11-08 | 2013-04-24 | 嘉兴五洲阀门有限公司 | Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads |
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Application publication date: 20130717 |