CN208083923U - Die head threading machine hydraulic chuck - Google Patents
Die head threading machine hydraulic chuck Download PDFInfo
- Publication number
- CN208083923U CN208083923U CN201820358035.6U CN201820358035U CN208083923U CN 208083923 U CN208083923 U CN 208083923U CN 201820358035 U CN201820358035 U CN 201820358035U CN 208083923 U CN208083923 U CN 208083923U
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- CN
- China
- Prior art keywords
- piston
- chuck
- oil cylinder
- protheca
- hole
- 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 is related to die head threading machine hydraulic chucks, including oil cylinder, piston, protheca, tapered sleeve, chuck, sliding sleeve, pressure ring and spring, oil cylinder chamber in oil cylinder includes the big chamber on top and the small chamber of lower part, big chamber is connected to stepped with small chamber, it is placed with piston in oil cylinder chamber, it is provided with protheca at the accent of big chamber, tapered sleeve is housed in protheca, the lower end of tapered sleeve is against on piston, taper hole is provided in tapered sleeve, chuck is housed in taper hole, chuck is locked on protheca by pressure ring, spring is cased on piston, the lower end of spring is against in the protrusion of piston middle and lower part, the upper end of spring is against on ring baffle, ring baffle is against on the end face of protheca, at small chamber position sliding sleeve is provided at oil cylinder outer surface position, oil nozzle is installed on sliding sleeve, oil nozzle is connected by high-pressure oil pipe with pumping plant.The advantageous effect that the utility model reaches is：Steel pipe is indeformable, step up great efforts, to step up effect good.
Description
Technical field
The utility model is related to hydraulic chuck fields, especially die head threading machine hydraulic chuck.
Background technology
Die head threading machine generally uses manual impacting type scroll chuck at present, it is small using dovetail shaped with steel tube surface contact position
Pawl can easily clamp steel pipe in the case of firmly very little, but can form catcher mark to steel tube surface at unguiculus, to not allowing brokenly
The pipe-line system that bad steel tube surface requires is with regard to helpless.The especially appearance of surface plastic coating steel pipe in recent years, for not permitting
Perhaps the requirement for destroying steel pipe coating surface is just more urgent.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts, provides that steel pipe is indeformable, steps up great efforts, steps up
The good die head threading machine hydraulic chuck of effect.
The purpose of this utility model is achieved through the following technical solutions：Die head threading machine hydraulic chuck, including oil cylinder, work
Plug, protheca, tapered sleeve, chuck, sliding sleeve, pressure ring and spring, the oil cylinder chamber in oil cylinder include the big chamber on top and the small chamber of lower part, greatly
Chamber be connected to small chamber it is stepped, in big chamber be equipped with piston；
The top of piston is piston cylinder, be adapted with big chamber for protrusion, the protrusion at the middle and lower part of piston and the two it
Between be provided with sealing ring A, the protrusion lower section of piston is piston end, and piston end is stretched into small chamber, piston end and small chamber it
Between be provided with sealing ring B, oil cylinder and protheca are connected through a screw thread installation, and spring is cased on piston cylinder, and the lower end of spring is withstood on
In the protrusion of piston, the upper end of spring is withstood on ring baffle, and ring baffle is against on the lower face of protheca；
Tapered sleeve is placed in protheca, the lower end of tapered sleeve is against the upper end of piston and the two is fixed by lock-screw and connected
It connects, taper hole is provided in tapered sleeve, chuck lateral surface is the conical surface, and chuck is placed in the taper hole of tapered sleeve, its axial direction of chuck upper edge is provided with
The upper end of a plurality of narrow slot for being divided into several tooth valves, chuck stretches out oil cylinder, and the upper end of chuck is provided with ring flange A, leads to
Over-pressed latch closure fixes chuck on ring flange A；
The lower part end point of the oil cylinder is oil cylinder multi-diameter shaft, and the end lateral surface of oil cylinder multi-diameter shaft is oil cylinder threaded post
Face is equipped with sliding sleeve on oil cylinder multi-diameter shaft, oil nozzle is equipped on sliding sleeve and is installed by round nut；
It is provided with deep hole in the oil cylinder, big chamber is connected with oil nozzle by deep hole, the aperture of deep hole lower part is in oil cylinder
On the ladder end face of multi-diameter shaft, it is placed with steel ball in the hole of deep hole lower part and so that steel ball is sealed deep hole by sealing screw；
The axial location of the piston is provided with piston centre through-hole, and the axial location of chuck is provided with chuck central through hole,
Piston centre through-hole is connected with small chamber, and chuck central through hole is connected to piston centre through-hole, is radially opened on piston cylinder
There are multiple gas vents, which is connected to piston centre through-hole with the big chamber of spring position；
Multiple driving holes are provided on the oil cylinder on the wall of small chamber.
The cylinder upper end is provided with external screw thread, and the lower end of protheca is provided with internal thread, and the both ends of external screw thread and internal thread are equal
It is provided with seam allowance A, and the end face contact position coordinated is equipped with junction of the edges of two sheets of paper screw.
In the chuck, the top position wall of wall thickness below tooth valve and tooth valve is thin, and narrow slot is downward from thin, weak walls.
The upper end of the protheca is protheca threaded post, and the lateral surface of protheca threaded post is provided with ring flange B, protheca spiral shell
The end point of line column is provided with ladder macropore, and chuck is mounted on by ring flange A in ladder macropore, and the edge of ring flange B is provided with
The lower end outside of ladder aperture, ring flange B is provided with seam allowance B, coordinates installation by the main shaft of seam allowance B and die head threading machine and passes through company
It connects screw and realizes that hydraulic chuck is connected with the main shaft of die head threading machine across ladder aperture.
It is connected by screw-thread fit with protheca threaded post on the medial surface of the pressure ring, its axis of the lateral surface upper edge of pressure ring
To offering multiple straight troughs.
Be provided on the oil cylinder multi-diameter shaft and be circumferentially provided with groove A, be provided on sliding sleeve groove B, groove A and groove B it
Between form rectangular cavity, which is connected with deep hole, and sliding sleeve is radially provided with mounting hole, and mounting hole is connected with rectangular cavity
It is logical, oil nozzle is installed in mounting hole, the round nut for preventing it from falling off is provided at the lower end of the sliding sleeve, round nut passes through anti-
Loose screw lock；
Sealing ring C is respectively provided at rectangular cavity upper and lower position between the sliding sleeve and oil cylinder multi-diameter shaft.
The oil nozzle is connected by high-pressure oil pipe with pumping plant.
Operation principle：The selection chuck consistent with processed outer diameter of steel pipes, is fixed in by pressure ring on hydraulic chuck,
Processed steel pipe is passed through into the hole among hydraulic chuck, and reserves suitable processing length, pumping plant is started, shuts relief valve, it is high
Pressure oil by high-pressure oil pipe, oil nozzle, in the rectangular cavity at sliding sleeve and oil cylinder Step Shaft, then by several deep holes to reach oil cylinder big
In chamber, pushes piston to be moved up together with tapered sleeve and touch chuck, due to the effect of the taper between tapered sleeve and chuck, make chuck
To contract, and then by processed steel tube clamping, after starting die head threading machine, die head threading machine main shaft drives hydraulic chuck rotation, due to cunning
Set is cylindrical fit with oil cylinder Step Shaft, and hydraulic chuck rotation, sliding sleeve, which does not rotate, simultaneously can stablize fuel feeding pressurize, enable hydraulic chuck
It is reliably clamped steel pipe, operates die head threading machine mantle fiber, after the completion of mantle fiber, opening relief valve makes high pressure oil in the effect of oil cylinder inner spring
Under return to pumping plant, could unclamp hydraulic chuck, take out and be processed steel pipe.
The utility model has the following advantages：By the taper coordinated between tapered sleeve and chuck, the original of inclined plane force increasing is utilized
High clamping force is managed, the very big simultaneously energy comprehensive engagement of the contact area between chuck and processed steel tube surface has sufficiently large folder
Clamp force, but the pressure on unit area is not above the compression strength of coat, therefore plastic-coated steel can be clamped, do not destroy applying
Mould layer；It is often very thin due to being processed steel pipe, processed steel pipe can be pressed from both sides into triangle using common scroll chuck, destroys painting
Coating, and also not clamping, comprehensive engagement between chuck and processed steel pipe in the utility model just can guarantee steel pipe after clamping
It is indeformable；The utility model can be additionally used in the clamping threading for the other type surfaces coating steel pipes for not allowing to destroy；Ring baffle
Setting so that spring upper end will not be absorbed in before in sets of holes, spring upper end puts forth effort that effect is good, is convenient for the reciprocating action of piston.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of hydraulic chuck and die head threading machine installation；
In figure：In figure：1- oil cylinders, 2- pistons, 3- prothecas, 4- tapered sleeves, 5- chucks, 6- slip rings, 7- pressure rings, 8- springs, 9-
Oil cylinder Step Shaft, 10- sealing ring A, 11- groove A, 12- groove B, 13- oil nozzle, 14- high-pressure oil pipes, 15- pumping plants, 16- oil cylinder spiral shells
Line cylinder, 17- round nuts, the big chambers of 18-, 19- deep holes, 20- sealing screws, 21- steel balls, 22- mounting holes, 23- sealing rings B, 24-
Piston end, the small chambers of 25-, 26- driving holes, 27- sealing ring C, 28- pistons cylinder, 30- piston centres through-hole, 31- gas vents,
External threading before 32- holding screws, 33- external screw threads, 34- internal threads, 35- seam allowance A, 36- junction of the edges of two sheets of papers screw, 37- ring baffles, 38-
Column, 39- ladders macropore, 40- straight troughs, 41- ring flange A, 42- ladders aperture, 43- seam allowance B, 44- taper hole, the 45- conical surfaces, 46- folders
Cover central through hole, 47- ring flange B, 48- narrow slots.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings, but the scope of protection of the utility model is not limited to
It is as described below.
As depicted in figs. 1 and 2, die head threading machine hydraulic chuck, including oil cylinder 1, piston 2, protheca 3, tapered sleeve 4, chuck 5, cunning
Set 6, pressure ring 7 and spring 8, the oil cylinder chamber in oil cylinder 1 include the big chamber 18 on top and the small chamber 25 of lower part, big chamber 18 and small chamber 25
It is connected to stepped, piston 2 is placed in oil cylinder chamber, big chamber 18 is connected with protheca 3, and tapered sleeve 4 is housed in protheca 3, tapered sleeve 4
Lower end is supported on the piston 2, and taper hole 44 is provided in tapered sleeve 4, chuck 5 is housed in taper hole 44, is locked chuck 5 in protheca 3 by pressure ring 7
On, spring 8 is cased on piston 2, the lower end of spring 8 is against in the protrusion of 2 middle and lower part of piston, and the upper end of spring is against ring baffle
On 37, ring baffle 37 is against on the end face of protheca 3.
Further, the top of piston 2 is piston cylinder 28, is protrusion, the protrusion and big chamber 18 at the middle and lower part of piston 2
It is adapted and is provided between the two sealing ring A10, the protrusion lower section of piston 2 is piston end 24, and piston end 24 is stretched into small
In chamber 25, sealing ring B23 is provided between piston end 24 and small chamber 25, oil cylinder 1 and protheca 3 are connected through a screw thread installation, living
It is cased with spring 8 on plug cylinder 28, the lower end of spring 8 is withstood in the protrusion of piston 2, and the upper end of spring 8 is withstood on ring baffle 37,
Ring baffle 37 is against on the lower face of protheca 3.
Further, tapered sleeve 4 is placed in protheca 3, the lower end of tapered sleeve 4 is against the upper end of piston 2 and the two passes through
Lock-screw 32 is fixedly connected, and taper hole 44 is provided in tapered sleeve 4, and 5 lateral surface of chuck is the conical surface 45, and chuck 5 is placed on the cone of tapered sleeve 4
In hole 44, its axial direction of 5 upper edge of chuck is provided with a plurality of narrow slot 48 for being divided into several tooth valves, and the upper end of chuck 5 stretches out oil cylinder
1, the upper end of chuck 5 is provided with ring flange A41, is buckled on ring flange A41 by pressure ring 7 and fixes chuck 5.When 4 edge of tapered sleeve
5 when axial promotion chuck, the tooth valve of chuck 5 can be to hole middle shrinkage a certain distance to clamp pipe, when tapered sleeve 4 is retracted
When, due to the elastic force effect at the thin-walled among chuck 5, the tooth valve of chuck 5 can be made to return to original position and pressed from both sides with unclamping
Pipe.
It is provided with deep hole 19 in the oil cylinder 1, big chamber 19 is connected with oil nozzle 13 by deep hole 19,19 lower part of deep hole
Aperture is placed with steel ball 21 and is made by sealing screw 20 on the ladder end face of oil cylinder multi-diameter shaft 9 in the hole of 19 lower part of deep hole
Steel ball seals deep hole 19.
The axial location of the piston 2 is provided with piston centre through-hole 30, and the axial location of chuck 5 is provided with chuck center and leads to
Hole 46, piston centre through-hole 30 are connected with small chamber 25, and chuck central through hole 46 is connected to piston centre through-hole 30, piston cylinder
Multiple gas vents 31 are radially provided on 28, which also connects piston centre through-hole 30 with the big chamber 18 of spring position
It is logical；On the oil cylinder 1 multiple driving holes 26 are provided on the wall of small chamber 25.When the space of the big chamber 18 of spring position changes
When, gas vent 31 plays the role of exhaust.
In the present embodiment, 1 upper end of oil cylinder is provided with external screw thread 33, and the lower end of protheca 3 is provided with internal thread 34, external screw thread
33 and the both ends end face contact position that is provided with seam allowance A35, and coordinates of internal thread 34 junction of the edges of two sheets of paper screw 36 is housed.Junction of the edges of two sheets of paper screw 36 is anti-
Only oil cylinder 1 is unclamped with protheca 3 at work.
In the present embodiment, in the chuck 5, the top position wall of wall thickness below tooth valve and tooth valve is thin, and narrow slot 48 is from thin
It is downward at weak wall.
In the present embodiment, the upper end of the protheca 3 is protheca threaded post 38, and the lateral surface of protheca threaded post 38 is arranged
There are ring flange B47, the end point of protheca threaded post 38 to be provided with ladder macropore 39, chuck 5 is big mounted on ladder by ring flange A41
In hole 39, the edge of ring flange B47 is provided with ladder aperture 42, and the lower end outside of ring flange B47 is provided with seam allowance B43, passes through
The cooperation of the main shaft of seam allowance B43 and die head threading machine installs and passes through ladder aperture 42 to realize hydraulic chuck and die head threading machine by attachment screw
Main shaft connection.
In the present embodiment, connected by screw-thread fit with protheca threaded post 38 on the medial surface of the pressure ring 7, pressure ring 7
Lateral surface upper edge its axial direction offer multiple straight troughs 40.When installation, catches on straight trough 40 using knuckle buster and be wrenched pressure ring 7.
In the present embodiment, it is provided on the oil cylinder multi-diameter shaft 9 and is circumferentially provided with groove A11, groove is provided on sliding sleeve 6
B12 forms rectangular cavity between groove A11 and groove B12, which is connected with deep hole 19, and sliding sleeve 6 is radially provided with peace
Hole 22 is filled, mounting hole 22 is connected with rectangular cavity, and oil nozzle 13 is equipped in mounting hole 22, and oil nozzle 13 passes through high-pressure oil pipe 14 and pump
Stand 15 be connected；Sealing ring C27, sliding sleeve 6 are respectively provided at rectangular cavity upper and lower position between the sliding sleeve 6 and oil cylinder multi-diameter shaft 9
Lower end at be provided with the round nut 17 for preventing it from falling off, round nut 17 is locked by backing-up screw.
Claims (7)
1. die head threading machine hydraulic chuck, it is characterised in that：Including oil cylinder（1）, piston（2）, protheca（3）, tapered sleeve（4）, chuck
（5）, sliding sleeve（6）, pressure ring（7）And spring（8）, oil cylinder（1）In oil cylinder chamber include top big chamber（18）With the small chamber of lower part
（25）, big chamber（18）With small chamber（25）It is connected to stepped, big chamber（18）In be equipped with piston（2）；
Piston（2）Top be piston cylinder（28）, piston（2）Middle and lower part at for protrusion, the protrusion and big chamber（18）Xiang Shi
Match and is provided with sealing ring A between the two（10）, piston（2）Protrusion lower section be piston end（24）, piston end（24）It stretches
Enter small chamber（25）In, piston end（24）With small chamber（25）Between be provided with sealing ring B（23）, oil cylinder（1）And protheca（3）Pass through
It is threadedly coupled installation, piston cylinder（28）On be cased with spring（8）, spring（8）Lower end withstand on piston（2）Protrusion on, spring
（8）Upper end withstand on ring baffle（37）On, ring baffle（37）It is against protheca（3）Lower face on；
Protheca（3）Inside it is placed with tapered sleeve（4）, tapered sleeve（4）Lower end be against piston（2）Upper end and the two pass through lock-screw
（32）It is fixedly connected, tapered sleeve（4）Inside it is provided with taper hole（44）, chuck（5）Lateral surface is the conical surface（45）, chuck（5）It is placed on tapered sleeve
（4）Taper hole（44）In, chuck（5）Its axial direction of upper edge is provided with a plurality of narrow slot for being divided into several tooth valves（48）, chuck（5）'s
Upper end stretches out oil cylinder（1）, chuck（5）Upper end be provided with ring flange A（41）, pass through pressure ring（7）It is buckled in ring flange A（41）
On by chuck（5）It is fixed；
The oil cylinder（1）Lower part end point be oil cylinder multi-diameter shaft（9）, oil cylinder multi-diameter shaft（9）End lateral surface be oil cylinder
Screw thread cylinder（16）, oil cylinder multi-diameter shaft（9）On sliding sleeve is installed（6）, sliding sleeve（6）On oil nozzle is installed（13）And pass through round nut
（17）Installation；
The oil cylinder（1）In be provided with deep hole（19）, pass through deep hole（19）By big chamber and oil nozzle（13）It is connected, deep hole（19）Under
The aperture in portion is in oil cylinder multi-diameter shaft（9）Ladder end face on, deep hole（19）It is placed with steel ball in the hole of lower part（21）And by close
Seal screw（20）Make steel ball by deep hole（19）Sealing；
The piston（2）Axial location be provided with piston centre through-hole（30）, chuck（5）Axial location be provided with chuck center
Through-hole（46）, piston centre through-hole（30）With small chamber（25）It is connected, chuck central through hole（46）With piston centre through-hole（30）
Connection, piston cylinder（28）On be radially provided with multiple gas vents（31）, the gas vent（31）By piston centre through-hole（30）
With the big chamber of spring position（18）Connection；
The oil cylinder（1）Upper small chamber（25）Wall on be provided with multiple driving holes（26）.
2. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The oil cylinder（1）Upper end is provided with outer
Screw thread（33）, protheca（3）Lower end be provided with internal thread（34）, external screw thread（33）And internal thread（34）Both ends be provided with seam allowance A
（35）, and the end face contact position coordinated is equipped with junction of the edges of two sheets of paper screw（36）.
3. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The chuck（5）In, below tooth valve
Wall thickness and the top position wall of tooth valve is thin, narrow slot（48）It is downward from thin, weak walls.
4. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The protheca（3）Upper end be
Protheca threaded post（38）, protheca threaded post（38）Lateral surface be provided with ring flange B（47）, protheca threaded post（38）End point
It is provided with ladder macropore（39）, chuck（5）Pass through ring flange A（41）Mounted on ladder macropore（39）It is interior, ring flange B（47）Edge
Place is provided with ladder aperture（42）, ring flange B（47）Lower end outside be provided with seam allowance B（43）, pass through seam allowance B（43）With die head threading machine
Main shaft cooperation installation and by attachment screw pass through ladder aperture（42）Realize that hydraulic chuck is connected with the main shaft of die head threading machine.
5. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The pressure ring（7）Medial surface on
With protheca threaded post（38）It is connected by screw-thread fit, pressure ring（7）Lateral surface upper edge its axial direction offer multiple straight troughs（40）.
6. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The oil cylinder multi-diameter shaft（9）On open
Have and is circumferentially provided with groove A（11）, sliding sleeve（6）On be provided with groove B（12）, groove A（11）With groove B（12）Between form rectangle
Chamber, the rectangular cavity and deep hole（19）It is connected, sliding sleeve（6）Radially it is provided with mounting hole（22）, mounting hole（22）With rectangular cavity
It is connected, mounting hole（22）In oil nozzle is installed（13）, the sliding sleeve（6）Lower end at be provided with the circle spiral shell for preventing it from falling off
It is female（17）, round nut（17）It is locked by backing-up screw；
The sliding sleeve（6）With oil cylinder multi-diameter shaft（9）Between sealing ring C is respectively provided at rectangular cavity upper and lower position（27）.
7. die head threading machine hydraulic chuck according to claim 1, it is characterised in that：The oil nozzle（13）Pass through high pressure oil
Pipe（14）With pumping plant（15）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358035.6U CN208083923U (en) | 2018-03-16 | 2018-03-16 | Die head threading machine hydraulic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358035.6U CN208083923U (en) | 2018-03-16 | 2018-03-16 | Die head threading machine hydraulic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208083923U true CN208083923U (en) | 2018-11-13 |
Family
ID=64059247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820358035.6U Expired - Fee Related CN208083923U (en) | 2018-03-16 | 2018-03-16 | Die head threading machine hydraulic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208083923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237418A (en) * | 2018-03-16 | 2018-07-03 | 成都中电锦江信息产业有限公司 | Die head threading machine hydraulic chuck |
-
2018
- 2018-03-16 CN CN201820358035.6U patent/CN208083923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237418A (en) * | 2018-03-16 | 2018-07-03 | 成都中电锦江信息产业有限公司 | Die head threading machine hydraulic chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210316 |