CN206153602U - Radial plunger hydraulic motor drive's of outer curve wedge type power chuck - Google Patents
Radial plunger hydraulic motor drive's of outer curve wedge type power chuck Download PDFInfo
- Publication number
- CN206153602U CN206153602U CN201621047814.1U CN201621047814U CN206153602U CN 206153602 U CN206153602 U CN 206153602U CN 201621047814 U CN201621047814 U CN 201621047814U CN 206153602 U CN206153602 U CN 206153602U
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- chuck
- oil
- wedge
- type
- rotor
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Abstract
The utility model discloses a radial plunger hydraulic motor drive's of outer curve wedge type power chuck, include and open chuck disk body (4) of closing by central rotary part drive chuck jack catch, center rotary part sets up wedge catch system (21) in i -shaped guide rail groove for rear portion connection CD -ROM drive motor, front end, i -shaped guide rail inslot sets up slide (22), the related chuck jack catch of slide, the motor is the radial plunger hydraulic motor of outer curve, is bent filiform disk rotor (18), overlaps including the outline to be in in rotor outside stator, a plurality of interval be used for a top on the outer circumference of son rotor pivoted plunger (20) to and leadingly join in marriage that oil / distributing ring (3) are joined in marriage in, in oil / distributing ring (1), the center is joined in marriage oily gas distribution disk (19), seal part, is led liquid / the atmospheric pressure route that is used for driving plunger to reciprocate that the oil groove constitutes by floating, and set liquid / gas -pressure feed system. The utility model discloses chuck simple structure, low cost, high strength, security are high, whole size is little, the clamp force is big, production efficiency is high.
Description
Technical field
The present invention relates to a kind of wedge type power chuck, particularly a kind of multiaction external curve radial plunger type motor and wedge
The dynamic high speed large through-hole wedge type power chuck of forward type liquid (gas) that formula power chuck combines together.
Background technology
Existing wedge type power chuck, including disk body of chuck, slide, claw, wedge-catch system, short circular cone end cap, swivel nut, swivel nut
The socket cap screw of end cap, wedge type power chuck and lathe flange form spindle nose connection.
In the front end face of disk body, more than two (including two) uniform I-grooves are radially arranged, slide can be relative to
Disk body of chuck is radially slided in I-groove, and slide and claw carry comb, and slide is used with claw by comb and T-nut
Socket cap screw is fixed.
Being provided with disk body of chuck can be along the wedge-catch system of disk body of chuck axial movement, and the movement of wedge-catch system is by installing
Realize in the liquid/gas cylinder of machine tool head box afterbody, liquid/gas cylinder is by trombone slide (bar) band that is arranged in machine tool chief axis through hole
Dynamic wedge-catch system is moved axially along disk body of chuck, there is the T-shaped guide-track groove of inclination being engaged with slide drum guide-track groove, wedge on wedge-catch system
The mobile drive slide and claw of heart set is radially slided in disk body of chuck I-groove, realizes unclamping or clamping workpiece, auxiliary machine
Bed completes various cutworks.
Existing forward type pneumatic motive force chuck, including disk body of chuck, preposition floating type distributing ring, air rammer, cylinder
Lid, wedge-catch system, slide and claw.In the front end face of disk body of chuck, more than two (including two) uniform works are radially arranged
Type groove, slide can be radially slided relative to disk body of chuck in I-groove, and each slide and claw carry comb, and claw leads to
Comb and T-nut are crossed, is fixed on slide with socket cap screw.In disk body of chuck, cylinder, pneumatic work are provided with
Plug, wedge-catch system, cylinder is relatively fixed with cylinder head with socket cap screw, and compressed air passes through preposition floating type distributing ring
Into cylinder, air rammer is promoted, drive wedge-catch system to move axially along disk body of chuck, wedge-catch system drives slide and claw to block relatively
Disk disk body is radially slided, and realizes clamping or unclamping workpiece.
In disk body of chuck rear end face, short circular cone end cap is connected with, short circular cone end cap mesopore is machined with and lathe flange form master
The short circular cone that shaft end is engaged, disk body of chuck and the short seams of short circular cone end cap Jing and short cylindrical are positioned, with hexagonal in socket cap
Screw is fixed.Wedge type power chuck, is connected by the short circular cone of short circular cone end cap with lathe flange form spindle nose, uses cylinder
Head soket head cap screw is fixed.
The wedge type power chuck of both structures has a disadvantage that：Because machine tool chief axis through hole is connected liquid/gas cylinder and wedge
The trombone slide (bar) of heart set takes, and the range of work is greatly limited, and can only process disc type work (or thinner axial workpiece),
Longaxones parts cannot be processed.Forward type pneumatic motive force chuck, although eliminate installed in machine tool head box afterbody cylinder and
Trombone slide (bar) in machine tool chief axis through hole, links together cylinder is preposition with power chuck, is not take up machine tool chief axis through hole
Space, but due to being limited by clamping force and structure, the power chuck of this structure, cylindrical and thickness is larger, through hole
Diameter is less, and quality is larger, and drum guide-track groove that slide is engaged with wedge-catch system and the root of T-shaped guide-track groove are right angle, stress
Relatively concentrate, it is easy to rupture, secure context has hidden danger, due to the impact of these factors, wedge type power chuck and forward type
The more difficult raising of the intensity of pneumatic motive force chuck, rigidity, security, chuck median pore diameter is less, and the range of work is restricted.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provide a kind of simple structure, low cost, high intensity, it is safe,
The multiaction external curve radial plunger type motor and wedge type power chuck that overall dimensions are little, clamping force is big, production efficiency is high melts
The forward type liquid/gas being integrated) dynamic high speed large through-hole wedge type power chuck.
In order to achieve the above object, the present invention provides the wedge-type power card that a kind of external curve radial plunger type motor drives
Disk, drives chuck jaws opening and closing to realize the elastic disk body of chuck of workpiece including by central rotation part.The central rotation part
Connect drive motor, front end for rear portion and the wedge-catch system of drum guide-track groove is set；Slide, the cunning are set in the drum guide-track groove
The seat association chuck jaws.The motor is external curve radial plunger type motor, including the disc type that outline is curvilinear
Rotor, it is placed on the stator of the rotor exterior, some is spaced in what is rotated for rotor described in support top on rotor outer circle week
Plunger, and by it is floating type it is preposition with oil/distributing ring, it is interior with oil/distributing ring, center match somebody with somebody oil/gas distribution plate, seal member, Oil Guide
The liquid/gas for driving the plunger to move up and down that groove is constituted presses path, and arranges liquid/gas pressure feed system.
Under preferred embodiment, the external curve radial plunger type motor also includes the storage being located in liquid/gas pressure path
Energy device, the accumulator includes accumulator piston, accumulator spring.
Additionally, chuck rear end is provided with the connection sticking department for connecting A types, c-type or D type lathe flange spindle noses
Part.
Chuck structure of the present invention is simple, low cost, high intensity, safe, overall dimensions are little, clamping force is big, produce and imitate
Rate is high.
Description of the drawings
Fig. 1 is chuck principle cross-sectional side structural representation of the present invention；
Fig. 2 is the driving principle structural representation of external curve radial plunger type motor；
Fig. 3 is the structural representation of dual hydraulic control one-way valve of the present invention；
Fig. 4 is the structural representation of present invention poultry energy device；
Fig. 5 is the radial plunger cylinder structure schematic diagram that the present invention is processed in disk body of chuck；
Fig. 6 is liquid/gas pressure systematic schematic diagram of the present invention；
Fig. 7 is the structural representation of the floating type preposition distribution oil ring of the present invention；
Fig. 8 is X-X shown in Fig. 7 to cross-sectional schematic；
Fig. 9 is the dimensional structure diagram of disk body of chuck；
Figure 10 is dimensional structure diagram of the center with oil/gas distribution plate；
Figure 11 is the dimensional structure diagram of slide；
Figure 12 is the dimensional structure diagram of wedge-catch system；
Figure 13 is the interior structural representation with oil/distributing ring；
Figure 14 is the interior side structure schematic view with oil/distributing ring shown in Figure 13；
Figure 15 is Y-Y shown in Figure 13 to cross-sectional view；
Figure 16 is Z-Z shown in Figure 13 to cross-sectional view.
Specific embodiment
As shown in Fig. 1～16, the dynamic high speed large through-hole wedge type power chuck of forward type liquid/gas of the present invention includes：It is floating type
It is preposition sealing ring 2 with oil/distributing ring 1, special, interior with oil/distributing ring 3 (such as Figure 13～16), disk body of chuck 4, short conical end
Lid 5 (structure is different, is respectively used to A, C, D type lathe flange form spindle nose), connecting chuck and lathe flange form spindle nose
Socket cap screw 8 (A type lathe flange form spindle nose use), clevis bolt and (the c-type lathe method of band shoulder nut 10
Blue formula spindle nose use), pull bar 11 (D type lathe flange form spindle nose use), dual hydraulic control one-way valve (see Fig. 3), control piston
12nd, compression spring 13, unloading valve core 14, inner elements of check valve 15, (accumulator is shown in Fig. 3), accumulator piston 16, accumulator spring
17 (see Fig. 4), external curve rotor 18, center are with oil/gas distribution plate 19 (such as Figure 10), the radial plunger oil cylinder processed on disk body
It is (see Fig. 5), plagiocephaly plunger 20, wedge-catch system 21 (such as Figure 12), slide 22, press-fit forced filling oil cup, claw 24, T-nut 25, close
End-blocking lid 26 etc..
Principle of the invention structure as illustrated in fig. 1 and 2, external curve radial plunger type motor drive wedge type power chuck,
Drive chuck jaws opening and closing to realize the elastic disk body of chuck 4 of workpiece including by central rotation part (such as Fig. 9)；The central rotation
Part is that rear portion connects drive motor, the wedge-catch system 21 of front end setting drum guide-track groove；Slide is set in the drum guide-track groove
22, the slide 22 associates the chuck jaws；The motor is external curve radial plunger type motor, including outline is in song
The disk rotor 18 of wire, the stator being placed on outside the rotor 18, some it is spaced on rotor outer circle week for support top
The plunger 20 that the rotor is rotated, and by it is floating type it is preposition with oil/distributing ring 1, it is interior with oil/distributing ring 3, center with oil/match somebody with somebody
Gas disk 19, seal member, oil guide groove constitute for drive the plunger 20 to move up and down liquid/gas pressure path, and arrange liquid/
Gas-pressure feed system.
Wherein, in the front end of disk body of chuck, uniform T-shaped guide-track groove is radially arranged, slide (as shown in figure 11) can phase
For disk body of chuck is radially slided in T-shaped guide-track groove, slide 22 passes through 1.5*60 with claw 24。Comb and T-nut are justified
Column cap soket head cap screw is fixed.
Hole is provided with wedge-catch system 21 (as shown in figure 12), the work that slide 22 is engaged with wedge-catch system 21 in disk body of chuck
Type guide-track groove, using side wedge shape structure, reduces claw and floats, and increases intensity.
In disk body of chuck hole be additionally provided with external curve rotor 18, it is interior with oil/distributing ring 3, center match somebody with somebody oil/gas distribution plate 19.Outward
Curred rotor 18 is positioned with interior with the Jing short cylindricals of oil/gas distribution plate 3 and short seam, is fixed with socket cap screw, and with circle
Taper pin adds strong fix, prevents to relatively rotate；The outer fringe surface of external curve rotor is provided with n uniform gap, is shaped as sine
Curvilinear plane (monolateral), the number of groove is exactly the effect number of times of motor piston (the present embodiment is n=8), the left and right sides of groove
Face is respectively oil-feed section (i.e. work section) and oil return section.
As shown in FIG. 7 and 8, floating type preposition distribution oil ring 1 it is cylindrical have two circles to be interrupted and uniform distribution groove as matching somebody with somebody
Oil groove, discontinuities are divided into enclosed area, and distributing groove is identical with enclosed area angle, and A encloses corresponding with enclosed area with the distributing groove of B circles,
The operation of oil circuit control, the number of recesses for often enclosing (the present embodiment n=8) identical with rotor recesses number.With with the cylindrical phase of liquid/gas disk
There are two circles in hole along disk body of chuck axis direction in the disk body of chuck of cooperation, is along the circumferential direction furnished with 2y group oil circuits, quantity and post
Plug number equal (the present embodiment y=6), pressure oil are by the groove with liquid/gas disk and the 2y groups of disk body of chuck endoporus radial equipartition
Oil circuit hole or correspondence stagger, and the oil-feed or oil extraction of plagiocephaly plunger are controlled successively, and plagiocephaly plunger in the presence of pressure oil, block by edge
Disk promotes external curve rotor to rotate radially to center movement；External curve rotor mesopore is provided with internal thread, the external screw thread with wedge-catch system
It is meshed, external curve rotor is rotated, drives wedge-catch system to move axially along disk body of chuck, wedge-catch system drives slide and claw along chuck
Disk body is radially slided, and realizes clamping or unclamping workpiece.
Such as Fig. 4, z accumulator (the present embodiment z=2 is provided with disk body of chuck；See Fig. 4), it is separately positioned on card
In the liquid inlet and outlet/gas circuit of disk, be provided with accumulator piston and accumulator spring in accumulator, the pressure loss in chucking work by
Accumulator is supplemented.Biliquid control check valve (see Fig. 2) is additionally provided with disk body of chuck, when pressure oil is flowed into from the first chamber,
Control piston right lateral, first pushes unloading valve core open, then pushes inner elements of check valve open, and pressure oil is flowed into from the first chamber, into chuck oil
After the work system of road, from the second chamber flow out oil return box, otherwise pressure oil is flowed into from the second chamber, from the first chamber outflow, when two chambers it is equal
During without pressure, left and right two ends check valve closes respective valve port in the presence of respective spring force, and inlet and outlet of fuel channel is sealed
Close, pressurize locking is carried out to the oil pressure in each chamber of chuck.
In the rear end of disk body of chuck, (structure is different, respectively with A, C, D type lathe flange form master to be additionally provided with short circular cone end cap 5
Shaft end), the cylinder soket head cap screw 8 (A type lathe flange form spindle nose use) of connecting chuck and machine tool chief axis；Clevis bolt
With band shoulder nut 10 (c-type lathe flange form spindle nose use)；With pull bar 11 (D type lathe flange form spindle nose use), short circle
Tapered end lid is positioned with the short seam of short cylindrical and disk body of chuck, is fixed with socket cap screw, wedge type power chuck Jing
Short circular cone on short conical end lid is engaged with lathe flange form spindle nose, respectively with (the A type machines of socket cap screw 8
Bed flange form spindle nose use), clevis bolt and band shoulder nut 10 (c-type lathe flange form spindle nose use), (the D types of pull bar 11
Lathe flange form spindle nose use) it is fixed.
Such as Fig. 3, control oil/gas road：Match somebody with somebody outward oil/gas ring in cylindrical being configured with of disk body of chuck, there are two annulars of A, B to match somebody with somebody in ring
Oil/gas groove, outward with there is special sealing ring sealing in oil/gas groove.The interior endoporus with oil/gas ring and cylindrical respectively there is A, B two to match somebody with somebody
Liquid/gas groove.The interior cylindrical A grooves with oil/gas ring with outward with the matching of oil/gas ring A grooves, the interior cylindrical B grooves with liquid/gas ring with match somebody with somebody outward
Oil/gas ring B grooves match, and realize route and the loop of system.The oil circuit of the above-mentioned A of pressure liquid/gas Jing that A roads are come is entered in disk body
Dual hydraulic control one-way valve A chambers, open the inner elements of check valve in A chambers, flow through accumulator, the interior A grooves that oil distribution casing is entered with liquid/gas ring oil circuit
Mouthful, the radial direction oil circuit in Jing disk bodies enters plunger, promotes plunger operation.At the same time the control piston (valve of dual hydraulic control one-way valve
Core) move right, promote inner elements of check valve to open B chambers, go back to liquid/gas road and open, plunger returns this road oil return box of liquid/gas Jing.
The course of work of the present invention, with reference to the hydraulic/pneumatic feed system explanation of Fig. 6.When clamping workpiece, the pressure of system
Liquid/gas Jing 1DT obtain electric middle position unload-type 3 position-5 way magnetic slide valve (see the hydraulic system principle figure of accompanying drawing 6), flow in liquid/
Compression ring circular ring type oil groove A (it is interior that the cylindrical of disk body is pressed into using interference fit with liquid/gas ring and disk body of chuck, by the magnitude of interference pair
Pressure oil is closed, and uses circular cone finger setting, prevents relative displacement), inflow is arranged on the double hydraulic control in disk body of chuck
The A chambers (see accompanying drawing 3) of check valve, control piston right lateral, first push unloading valve core open, then push inner elements of check valve open, and pressure oil is from A
Chamber flows into, and flows out from B chambers into after the oil piping system of chuck.Disk body of chuck radially has relative with the cylindrical liquid/gas groove of liquid/gas disk
The hole answered, pressure oil Jing biliquid check valve A chambers flow into interior with liquid/gas ring annular oil groove A, Jing disk body of chuck radial direction oil hole after conversion
A, flows into and matches somebody with somebody liquid/gas disc-annular shape oil groove A, and when oil groove is connected, then another radial direction oil circuit in Jing disk body of chuck is flowed into and be arranged on
The plunger cylinder of radial direction in disk body, pressure oil promotes plagiocephaly plunger to move to chuck hub, and then promotes external curve rotor to rotate,
Wedge-catch system axial movement, plagiocephaly plunger is driven to be moved to low spot, oil distribution casing periphery closes pressure fluid/gas circuit, while another
Bar liquid/gas road is opened, and plagiocephaly plunger is pushed into external curve summit by the external curve rotor being rotated further, and plagiocephaly plunger is by radial plunger
In-oil cylinder (see Fig. 5) pressure oil is released, and the annular with liquid/gas ring matches somebody with somebody liquid/gas ring B, Jing double hydraulic controls in oil return circuit, Jing
Check valve B chambers oil return box processed, realizes clamping workpiece.
During processing workpiece, 3 position-5 way magnetic slide valve is in middle position unloaded state, and the oil pressure in disk body of chuck is by double hydraulic control
Check valve (also referred to as " hydraulic lock ") confining liquid/gas circuit, the pressure oil in chuck is in packing state, and the oil pressure in process is damaged
By accumulator (see Fig. 4) supplement being arranged in disk body of chuck, (this patent chuck has 2 accumulators, is arranged respectively at oil return for mistake
On oil circuit and oil-feed oil circuit).Because under passive state, forward type floats with liquid/gas ring and special sealing ring and disk body of chuck
Contact force very little, the also very little of the frictional force in chuck rotation.
When unclamping workpiece, the 2DT of 3 position-5 way magnetic slide valve (see Fig. 6 hydraulic system principle figures) obtains electric, the pressure of system
Liquid/gas Jing 3 position-5 way magnetic slide valves, realize that oil circuit commutates, and external curve rotor is reversely rotated, and drive wedge-catch system reverse movement, pine
Go into operation part.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (3)
1. the wedge type power chuck that a kind of external curve radial plunger type motor drives, including by central rotation part chuck is driven
The elastic disk body of chuck of workpiece (4) is realized in claw opening and closing；Characterized in that,
The central rotation part is that rear portion connects drive motor, the wedge-catch system (21) of front end setting drum guide-track groove；The work
Slide (22) is set in type guide-track groove, and the slide (22) associates the chuck jaws；
The motor is external curve radial plunger type motor, including disk rotor (18) that outline is curvilinear, is placed on institute
State the outside stator of rotor (18), some plungers for being spaced in being rotated for rotor described in support top on the rotor outer circle week
(20), and by it is floating type it is preposition with oil/distributing ring (1), it is interior with oil/distributing ring (3), center with oil/gas distribution plate (19), sealing
The liquid/gas for driving the plunger (20) to move up and down that part, oil guide groove are constituted presses path, and arranges liquid/gas pressure supply
System.
2. the wedge type power chuck that according to claim 1 external curve radial plunger type motor drives, it is characterised in that institute
The accumulator that external curve radial plunger type motor also includes being located in liquid/gas pressure path is stated, the accumulator includes storing
Can device piston (16), accumulator spring (17).
3. the wedge type power chuck that according to claim 1 external curve radial plunger type motor drives, it is characterised in that card
Back-end disk is provided with the connection locking member for connecting A types, c-type or D type lathe flange spindle noses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621047814.1U CN206153602U (en) | 2016-09-09 | 2016-09-09 | Radial plunger hydraulic motor drive's of outer curve wedge type power chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621047814.1U CN206153602U (en) | 2016-09-09 | 2016-09-09 | Radial plunger hydraulic motor drive's of outer curve wedge type power chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206153602U true CN206153602U (en) | 2017-05-10 |
Family
ID=58650208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621047814.1U Expired - Fee Related CN206153602U (en) | 2016-09-09 | 2016-09-09 | Radial plunger hydraulic motor drive's of outer curve wedge type power chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206153602U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538571A (en) * | 2018-12-18 | 2019-03-29 | 武长山 | Tire press driving device |
| CN109854785A (en) * | 2018-12-24 | 2019-06-07 | 国营第一二三厂 | A kind of shell processing pressure retaining valve of air spider |
| CN114059943A (en) * | 2021-11-19 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Synchronous rotating hydraulic chuck for kilometer-level horizontal rope drill rod |
| CN114603170A (en) * | 2022-04-25 | 2022-06-10 | 内蒙古工业大学 | Novel front hydraulic six-jaw pipe power chuck |
-
2016
- 2016-09-09 CN CN201621047814.1U patent/CN206153602U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538571A (en) * | 2018-12-18 | 2019-03-29 | 武长山 | Tire press driving device |
| CN109538571B (en) * | 2018-12-18 | 2024-06-07 | 武长山 | Driving device of tyre stripper |
| CN109854785A (en) * | 2018-12-24 | 2019-06-07 | 国营第一二三厂 | A kind of shell processing pressure retaining valve of air spider |
| CN114059943A (en) * | 2021-11-19 | 2022-02-18 | 中铁二院工程集团有限责任公司 | Synchronous rotating hydraulic chuck for kilometer-level horizontal rope drill rod |
| CN114603170A (en) * | 2022-04-25 | 2022-06-10 | 内蒙古工业大学 | Novel front hydraulic six-jaw pipe power 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: 20170510 Termination date: 20170909 |