CN202894380U - Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads - Google Patents
Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads Download PDFInfo
- Publication number
- CN202894380U CN202894380U CN 201220586962 CN201220586962U CN202894380U CN 202894380 U CN202894380 U CN 202894380U CN 201220586962 CN201220586962 CN 201220586962 CN 201220586962 U CN201220586962 U CN 201220586962U CN 202894380 U CN202894380 U CN 202894380U
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- claw
- groove
- chuck
- fixture block
- draw
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Abstract
The utility model discloses a double-eccentric ball valve ball machining clamp device utilizing a locking shaft with left-hand and right-hand threads. The clamp device comprises a clamp disc provided with a pair of claws. The claws are located on a central line of the clamp disc provided with claw clamp grooves. The claws are provided with claw clamp blocks which can be clamped into the claw clamp grooves. Each claw is provided with an insert, one end, close to the claw, of the insert is movably disposed on the claw, one end, away from the claw, of the insert is provided with a V-shaped groove for supporting a ball central shaft, a stop block is disposed on one side, away from the other claw, of one claw, and the stop block extends towards the insert to be butted to the same. A ball is clamped by the pair of claws, clamping positions can be adjusted by the auxiliary inserts, so that fast and firm clamping of the ball is achieved, subsequent machining of the ball is facilitated, machining efficiency of the ball is improved, and batch production of double-eccentric ball valve balls is achieved.
Description
Technical field
The utility model relates to the ball body of valve processing technique field, is specifically related to a kind of utilization with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft 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 the 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 the processing of spheres can not be held well, and the offset of two eccentric spheroids that processing obtains is not accurate.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of clamping quick, and the utilization of accurate positioning is with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft lock mandrel.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of utilization is with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft locking, 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 utility model 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 utility model 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 utility model utilizes a pair of claw that spheroid is clamped with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft locking, 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, the working (machining) efficiency of Effective Raise spheroid realizes the batch production of two eccentric the processing of spheres.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the side view of the utility model embodiment;
Fig. 3 is the plan structure schematic diagram of the utility model embodiment;
Fig. 4 is the structural representation of the claw of the utility model embodiment;
Fig. 5 is the structural representation that the utility model embodiment inserts;
Fig. 6 is the structural representation of the utility model embodiment lock shaft.
The specific embodiment
Such as Fig. 1-shown in Figure 6, embodiment of the present utility model specifically a kind of utilization with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft locking, 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.
Add man-hour, the burr at the clamping position of two eccentric spheroid 4 blanks be removed first, 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 again second central term pin hole when turning round 180 °.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.With the two eccentric spheroids of the double-eccentric ball valve the processing of sphere clamping device clamping with the flat thread chuck of the present utility model, 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 with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft locking, 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 the processing of sphere clamping device of positive/negative thread shaft 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 characterized in that with the double-eccentric ball valve the processing of sphere clamping device of positive/negative thread shaft locking: 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 the processing of sphere clamping device of positive/negative thread shaft 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 the processing of sphere clamping device of positive/negative thread shaft 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 the processing of sphere clamping device of positive/negative thread shaft 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 |
|---|---|---|---|
| CN 201220586962 CN202894380U (en) | 2012-11-08 | 2012-11-08 | Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586962 CN202894380U (en) | 2012-11-08 | 2012-11-08 | Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202894380U true CN202894380U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586962 Expired - Fee Related CN202894380U (en) | 2012-11-08 | 2012-11-08 | Double-eccentric ball valve ball machining clamp device utilizing locking shaft with left-hand and right-hand threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202894380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203483A (en) * | 2012-11-08 | 2013-07-17 | 嘉兴五洲阀门有限公司 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
-
2012
- 2012-11-08 CN CN 201220586962 patent/CN202894380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203483A (en) * | 2012-11-08 | 2013-07-17 | 嘉兴五洲阀门有限公司 | Clamping device for machining ball of double eccentric ball valve by utilizing locking shaft with right-hand and left-hand threads |
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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: 20130424 Termination date: 20131108 |