CN110228028A - A kind of self-locking clamping device for clamping test pieces - Google Patents
A kind of self-locking clamping device for clamping test pieces Download PDFInfo
- Publication number
- CN110228028A CN110228028A CN201910377724.0A CN201910377724A CN110228028A CN 110228028 A CN110228028 A CN 110228028A CN 201910377724 A CN201910377724 A CN 201910377724A CN 110228028 A CN110228028 A CN 110228028A
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- gear
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- cylinder
- fluted disc
- gear shaft
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 210000000078 claw Anatomy 0.000 claims abstract description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 33
- 238000003466 welding Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 4
- 208000035193 Ring chromosome 10 syndrome Diseases 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16083—Jaws movement actuated by gears and racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The present invention relates to a kind of self-locking clamping devices for clamping test pieces, comprising: shell, cone fluted disc supporter, cone fluted disc, cone fluted disc bearing, bevel pinion, small coning gear shaft, bevel pinion bearing, door, flange plate type connector, cylinder outer gear ring, cylinder outer gear ring bearing, gear shaft fixing body, cylinder ring type connector, small cylinder gear I, gear shaft, small cylinder gear II, gear axle bearing, rack-and-pinion claw, guide base I, guide base II, self-locking device;It is cooperated by the direction-changing type pawl and ratchet of the self-locking device, complete the self-locking of the clamping device, make it have self-locking function, pass through a series of transmission mechanism, make the rack-and-pinion claw that can complete the clamping work of test specimen inner wall and complete the clamping work of test specimen outer wall, has structure simple, compact, good manufacturability, it is easy to operate the advantages that.
Description
Technical field
The present invention relates to a kind of clamping devices, particularly relate to a kind of self-locking clamping for clamping test pieces
Device.
Background technique
Various clamping devices can be used in human lives and work, clamping device will be used wider and wider.
Clamping device is used to fix processing object during referring to machine-building, is allowed to occupy correct position, to receive construction or inspection
The device of survey, also known as fixture.In a broad sense, any process in technical process, for rapidly, easily and safely installing
The device of workpiece, all can be described as clamping device.Clamping device is indispensable a kind of technological equipment in machining, it can rise
Act below: guarantee reliablely and stablely reaches every requirement on machining accuracy;Shorten machining period, raises labour productivity;It reduces
Production cost;Mitigate the labor intensity of operator;It can be processed by the operator of lower industrial grade;It can enlarger bed process
Range.There are various clamping devices in the market, such as: welding fixture, inspection jig, assembling jig, machine tool fixture etc.,
But most of clamping device there is a problem of it is various, such as: for cylinder ring type test specimen, can only clamping test pieces outer wall,
It is unable to the inner wall of clamping test pieces;Structure is complicated for clamping device, poor reliability, the low, bad adaptability of precision etc..To solve in the market
Clamping device many drawbacks, the present invention devises that this is easy to operate, beautiful and generous, with high accuracy for clamping test pieces
Self-locking clamping device.
Summary of the invention
The purpose of the present invention seeks to manufacture and design that a kind of structure is simple, compact, and good manufacturability is easy to operate, and precision is high, peace
A kind of complete practical self-locking clamping device for clamping test pieces.
In order to achieve the above objectives, the technical solution adopted in the present invention is as follows: a kind of self-locking folder for clamping test pieces
Tight device, comprising: shell, cone fluted disc supporter, cone fluted disc, cone fluted disc bearing, bevel pinion, small coning gear shaft, bevel pinion
Bearing, door, flange plate type connector, cylinder outer gear ring, cylinder outer gear ring bearing, gear shaft fixing body, the connection of cylinder ring type
Body, small cylinder gear I, gear shaft, small cylinder gear II, gear axle bearing, rack-and-pinion claw, guide base I, guide base
II, self-locking device;The cone fluted disc supporter is connected by the cone fluted disc bearing with the cone fluted disc, the cone fluted disc with
The bevel pinion is meshed, and the bevel pinion is mutually fixedly connected by spline with the small coning gear shaft, the small bevel gear
Wheel shaft is connected with each other by the bevel pinion bearing and the shell;The cone fluted disc supporter passes through screw and the door
It is mutually permanently connected, the door is mutually permanently connected by screw and the gear shaft fixing body, the gear shaft fixing body
It is mutually permanently connected with the cylinder ring type connector by screw, the cylinder ring type connector and the shell pass through screw
It is mutually permanently connected;The cone fluted disc is mutually permanently connected with the flange plate type connector by screw, the flange plate type
Connector is mutually permanently connected with the cylinder outer gear ring by screw, and the cylinder outer gear ring and the gear shaft fixing body are logical
Cross the interconnection of cylinder outer gear ring bearing;The cylinder outer gear ring is meshed with the small cylinder gear I, the small cylinder gear
I is mutually permanently connected with the gear shaft by spline, and the gear shaft is mutually solid by spline with the small cylinder gear II
Fixed connection, the gear shaft and the gear shaft fixing body are connected with each other by the gear axle bearing;The small cylinder gear
II is meshed with the rack-and-pinion claw, between the rack-and-pinion claw passes through with the guide base I and guide base II respectively
Gap cooperation is slidably connected, and the guide base I and guide base II pass through welding manner phase with the gear shaft fixing body respectively
Mutually it is fixedly connected;Between the shell and the bevel pinion, the ratchet of the self-locking device passes through the self-locking device
Spline is mounted on the small coning gear shaft, the pedestal of the self-locking device by screw respectively with the shell and the cone tooth
Disk supporter is mutually permanently connected, and the direction-changing type pawl of the self-locking device and the cone fluted disc supporter are sliding by clearance fit
Dynamic connection;The shell, the cone fluted disc supporter, the cone fluted disc, the cone fluted disc bearing, the door, the flange
Disc type connector, the cylinder outer gear ring, the cylinder outer gear ring bearing, the gear shaft fixing body and the cylinder ring type connect
The axis of junctor is on same straight line;It is the bevel pinion, the small coning gear shaft, the bevel pinion bearing, described small
Roller gear I, the gear shaft, the small cylinder gear II, the gear axle bearing, the rack-and-pinion claw, the guiding
Pedestal I, the guide base II and the self-locking device respectively have three sets, they are around described same straight line etc. point distribution.
Further, the shell is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed, separately
One end face is provided with circular through hole I, opens that there are three the threaded holes for surrounding axis equal part around the circular through hole I, described outer
One end for being provided with the threaded hole of shell is connected with one end of the cylinder ring type connector by screw;In the cylindrical body
Side on be separated there are three circular through hole II, the axis of three circular through hole II is on same plane I, the plane
I is parallel with two end faces, and the plane I is located at the side of the central symmetry plane of two end faces, and is proximate to removed described
The side of end face;It is separated on the side of the cylindrical body there are three circular through hole III, three circular through hole III's
Axis is on same plane II, and the plane II and plane I is symmetrical about the central symmetry plane of two end faces.
Further, the cone fluted disc supporter is located at the inside of one end of the shell, and one end of the shell is
The removed one end in end face;The cone fluted disc supporter is flange plate type structure, by the removed inside circle ring disk I and both ends of the surface
Hollow cylindrical body I is interconnected by welding, is separated at the edge of circle ring disk I there are three circular through hole IV, institute
The direction-changing type pawl and the circular through hole IV for stating self-locking device are slidably connected by clearance fit, in the circle of inner hollow
One end of cylinder I is provided with Step Circular slot, and the one end for being provided with Step Circular slot is one end far from the circle ring disk I.
Further, the self-locking device includes: pedestal, direction-changing type pawl, spring, ratchet;The pedestal is in inside
Empty rectangular parallelepiped structure, and an end face is removed, other end is provided with circular through hole V, and the one side of the pedestal passes through screw
It is fixedly mounted on the medial surface of the shell, the end face of the pedestal is fixedly mounted on the cone fluted disc supporter by screw
The circle ring disk I outer edge;The direction-changing type pawl is located in the pedestal, by adjusting knob, elongate cylinder, disk and
Wedge plate type spine tooth, which passes sequentially through to be screwed, to be installed together, the elongate cylinder of the direction-changing type pawl successively respectively with
The circular through hole V of the pedestal of the circular through hole IV and self-locking device of the cone fluted disc supporter passes through gap
Cooperation is slidably connected, and the elongate cylinder housing of the direction-changing type pawl has a spring, the direction-changing type pawl it is described
Wedge plate type spine tooth and the ratchet, which cooperate, to be installed;One end of the spring and the pedestal are provided with circular through hole V
One end is mutually permanently connected, and one end of the disk of the other end of the spring and the direction-changing type pawl is fixed to each other company
It connects;The ratchet is mounted on one end of the small coning gear shaft by spline, and is proximate to one end of the bevel pinion.
Further, the flange plate type connector is flange plate type structure, by the cylinder of circle ring disk II and inner hollow
Body II is interconnected by welding, and an end face of the cylindrical body II is removed, and other end is provided with circular hole, is provided with
An end face for circular hole is far from mono- end face circle ring disk II.
Further, the gear shaft fixing body be class flange plate type structure, by circle ring disk III, both ends of the surface be removed in
The cylindrical body IV for the inner hollow that the hollow cylindrical body III in portion and both ends of the surface are removed passes sequentially through welding and interconnects.
Further, the one side of the rack-and-pinion claw is provided with teeth, is provided with swallow on the two sides adjacent with the side
The teeth of stern notch, the teeth of the rack-and-pinion claw and the small cylinder gear II are intermeshed, the dovetail groove respectively with institute
The dovetail tangs of the dovetail tangs and guide base II of stating guide base I are slidably connected by clearance fit, the rack-and-pinion card
The both ends of the surface of pawl are arcuate structure.
Further, one end of the small coning gear shaft is provided with Hexagon hole, and one end of the small coning gear shaft is peace
Fill one end of the bevel pinion bearing.
Implement a kind of self-locking clamping device for clamping test pieces of the present invention, the beneficial effect is that:
(1) a kind of self-locking clamping device for clamping test pieces of the present invention is pulled when clamping test specimen inner wall with interior hexagonal
Hand rotates clockwise the small coning gear shaft, the small coning gear shaft rotation, and then drives the bevel pinion rotation;It is described small
The rotation of bevel gear drives the cone fluted disc rotation, and then drives the flange plate type connector rotation;The flange plate type connects
The rotation of junctor drives the cylinder outer gear ring rotation, and then drives the small cylinder gear I rotation;The small cylinder gear I
Rotation drive gear shaft rotation, and then drive the small cylinder gear II rotation;The rotation of the small cylinder gear II
It drives the rack-and-pinion claw for linear motion, makes the arcuate end of the rack-and-pinion claw far from central axis, towards test specimen
Inner wall movement, with the separate increase of the arcuate end of the rack-and-pinion claw, completes the clamping work of test specimen;When clamping test specimen
When outer wall, the small coning gear shaft is rotated counterclockwise with allen wrench, after the transmission of above-mentioned transmission mechanism, the roundlet
The rotation of stud wheel II drives the rack-and-pinion claw for linear motion, makes the arcuate end of the rack-and-pinion claw close to center
Axis moves towards test specimen outer wall, with the close increase of the arcuate end of the rack-and-pinion claw, completes the clamping work of test specimen
Make;It is simple with structure, compact, good manufacturability, it is easy to operate the advantages that.
(2) a kind of self-locking clamping device for clamping test pieces, when clamping test specimen inner wall, along the direction-changing type spine
The axis direction of the elongate cylinder of pawl with the adjusting knob of the portable direction-changing type pawl, and is rotated, is made
The Wedge plate type spine tooth and the ratchet cooperate, and rotate clockwise the small coning gear shaft can only, i.e., the described rack gear
Formula claw can only be moved to the direction far from central axis, to complete the self-locking of the clamping device;When clamping test specimen outer wall
When, after the operation of self-locking device described above, so that the Wedge plate type spine tooth and the ratchet is cooperated, make described small
Bevel gear shaft can only rotate counterclockwise, i.e., the described rack-and-pinion claw can only be moved to the direction close to central axis, to complete
The clamping device it is self-locking, have the function of the clamping device self-locking.
Detailed description of the invention
Fig. 1 is a kind of outside drawing of the self-locking clamping device for clamping test pieces of the present invention;
Fig. 2 is a kind of decladding structure chart of the self-locking clamping device for clamping test pieces of the present invention;
Fig. 3 is a kind of decladding structural exploded view of the self-locking clamping device for clamping test pieces of the present invention;
Fig. 4 is a kind of clamping working principle diagram of the self-locking clamping device for clamping test pieces of the present invention;
Fig. 5 is a kind of structure chart of the self-locking device of the self-locking clamping device for clamping test pieces of the present invention;
Fig. 6 is a kind of X-Y scheme of the gear shaft fixing body of the self-locking clamping device for clamping test pieces of the present invention;
In figure: shell -1, cone fluted disc supporter -2, cone fluted disc -3, cone fluted disc bearing -4, bevel pinion -5, bevel pinion
Axis -6, bevel pinion bearing -7, door -8, flange plate type connector -9, cylinder outer gear ring -10, cylinder outer gear ring bearing -11,
Gear shaft fixing body -12, cylinder ring type connector -13, small cylinder gear I-14, gear shaft -15, small cylinder gear II-16, tooth
Wheel bearing -17, guide base I-19, guide base II-20, self-locking device -21, pedestal -211, becomes rack-and-pinion claw -18
To formula pawl -212, spring -213, ratchet -214.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.
As shown in Fig. 1,2,3,4,5,6, a kind of self-locking clamping device for clamping test pieces, comprising: shell 1, cone tooth
Disk supporter 2, cone fluted disc 3, cone fluted disc bearing 4, bevel pinion 5, small coning gear shaft 6, bevel pinion bearing 7, door 8, flange
It is disc type connector 9, cylinder outer gear ring 10, cylinder outer gear ring bearing 11, gear shaft fixing body 12, cylinder ring type connector 13, small
Roller gear I14, it gear shaft 15, small cylinder gear II16, gear axle bearing 17, rack-and-pinion claw 18, guide base I19, leads
To pedestal II20, self-locking device 21;The cone fluted disc supporter 2 is connected by the cone fluted disc bearing 4 with the cone fluted disc 3
It connects, the cone fluted disc 3 is meshed with the bevel pinion 5, and the bevel pinion 5 passes through spline and 6 phase of small coning gear shaft
It is fixedly connected, the small coning gear shaft 6 is connected with each other by the bevel pinion bearing 7 with the shell 1;The cone fluted disc branch
Support body 2 is mutually permanently connected by screw with the door 8, and the door 8 passes through screw and 12 phase of gear shaft fixing body
It is mutually fixedly connected, the gear shaft fixing body 12 is mutually permanently connected with the cylinder ring type connector 13 by screw, described
Cylinder ring type connector 13 is mutually permanently connected with the shell 1 by screw;The cone fluted disc 3 is connect with the flange plate type
Body 9 is mutually permanently connected by screw, and the flange plate type connector 9 is fixed to each other with the cylinder outer gear ring 10 by screw
Connection, the cylinder outer gear ring 10 are connected with each other with the gear shaft fixing body 12 by cylinder outer gear ring bearing 11;The circle
Column outer gear ring 10 is meshed with the small cylinder gear I14, and the small cylinder gear I14 passes through spline phase with the gear shaft 15
It is mutually fixedly connected, the gear shaft 15 is mutually permanently connected with the small cylinder gear II16 by spline, the gear shaft 15
It is connected with each other with the gear shaft fixing body 12 by the gear axle bearing 17;The small cylinder gear II16 and the rack gear
Formula claw 18 is meshed, and the rack-and-pinion claw 18 is matched with the guide base I19 and guide base II20 by gap respectively
Conjunction is slidably connected, and the guide base I19 and guide base II20 pass through welding manner with the gear shaft fixing body 12 respectively
It is mutually permanently connected;The self-locking device 21 between the shell 1 and the bevel pinion 5, the self-locking device 21
Ratchet 214 is mounted on the small coning gear shaft 6 by spline, the pedestal 211 of the self-locking device 21 by screw respectively with
The shell 1 and the cone fluted disc supporter 2 are mutually permanently connected, the direction-changing type pawl 212 of the self-locking device 21 with it is described
Cone fluted disc supporter 2 is slidably connected by clearance fit;The shell 1, the cone fluted disc supporter 2, the cone fluted disc 3, institute
State cone fluted disc bearing 4, the door 8, the flange plate type connector 9, the cylinder outer gear ring 10, the cylinder outer gear ring axis
The axis of 11, the gear shaft fixing body 12 and the cylinder ring type connector 13 is held on same straight line;The small bevel gear
Take turns 5, the small coning gear shaft 6, the bevel pinion bearing 7, the small cylinder gear I14, the gear shaft 15, the roundlet
Stud wheel II16, the gear axle bearing 17, the rack-and-pinion claw 18, the guide base I19, the guide base II20
Respectively there are three sets with the self-locking device 21, they are around described same straight line etc. point distribution.
Further, the shell 1 is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed,
Other end is provided with circular through hole I, is opened around the circular through hole I there are three the threaded hole for surrounding axis equal part, described
One end for being provided with the threaded hole of shell 1 is connected with one end of the cylinder ring type connector 13 by screw;Described
Circular through hole II there are three being separated on the side of cylindrical body, the axis of three circular through hole II is on same plane I, institute
State that plane I is parallel with two end faces, the plane I is located at the side of the central symmetry plane of two end faces, and is proximate to be removed
The end face side;Circular through hole III there are three being separated on the side of the cylindrical body, three circular through holes
The axis of III is on same plane II, and the plane II and plane I is faced about the central symmetry of two end faces
Claim;The cone fluted disc supporter 2 is located at the inside of one end of the shell 1, and one end of the shell 1 is that end face is removed
One end;The cone fluted disc supporter 2 is flange plate type structure, by the cylinder of circle ring disk I and both ends of the surface removed inner hollow
Body I is interconnected by welding, is separated at the edge of circle ring disk I there are three circular through hole IV, the self-locking device
21 direction-changing type pawl 212 is slidably connected with the circular through hole IV by clearance fit, in the cylindrical body I of inner hollow
One end one end for being provided with Step Circular slot, and being provided with Step Circular slot be one end far from the circle ring disk I.
Further, the self-locking device 21 includes: pedestal 211, direction-changing type pawl 212, spring 213, ratchet 214;Institute
The rectangular parallelepiped structure that pedestal 211 is inner hollow is stated, and an end face is removed, other end is provided with circular through hole V, the base
The one side of seat is fixedly mounted on the medial surface of the shell 1 by screw, and the end face of the pedestal 211 is fixed by screw
It is mounted on the outer edge of the circle ring disk I of the cone fluted disc supporter 2;The direction-changing type pawl 212 is located at the pedestal 211
It is interior, it is passed sequentially through to be screwed and be installed together by adjusting knob, elongate cylinder, disk and Wedge plate type spine tooth, the deflecting
The elongate cylinder of formula pawl 212 successively respectively with the cone circular through hole IV of fluted disc supporter 2 and described self-locking
The circular through hole V of the pedestal 211 of device 21 is slidably connected by clearance fit, the direction-changing type pawl 212 it is described thin
Long cylinder housing has the spring 213, and the Wedge plate type spine tooth of the direction-changing type pawl 212 and the ratchet 214 are mutually
It is coupled;One end of the spring 213 and one end for being provided with circular through hole V of the pedestal 211 are mutually permanently connected, institute
The one end for stating the other end and the disk of the direction-changing type pawl 212 of spring 213 is mutually permanently connected;The ratchet 214
It is mounted on one end of the small coning gear shaft 6 by spline, and is proximate to one end of the bevel pinion 5.
Further, the flange plate type connector 9 is flange plate type structure, by the cylinder of circle ring disk II and inner hollow
Body II is interconnected by welding, and an end face of the cylindrical body II is removed, and other end is provided with circular hole, is provided with
An end face for circular hole is far from mono- end face circle ring disk II;The gear shaft fixing body 12 is class flange plate type structure,
By the cylindrical body IV of the removed inner hollow of the cylindrical body III and both ends of the surface of the removed inner hollow of circle ring disk III, both ends of the surface
Welding is passed sequentially through to interconnect;The one side of the rack-and-pinion claw 18 is provided with teeth, and adjacent with the side two
Dovetail groove, the teeth intermeshing of the teeth of the rack-and-pinion claw 18 and the small cylinder gear II16, institute are provided on side
It is sliding by clearance fit with the dovetail tangs of the guide base I19 and the dovetail tangs of guide base II20 respectively to state dovetail groove
Dynamic connection, the both ends of the surface of the rack-and-pinion claw 18 are arcuate structure;One end of the small coning gear shaft 6 is provided with Hexagon hole,
And one end of the small coning gear shaft 6 is the one end for installing the bevel pinion bearing 7.
As shown in Fig. 1,2,3,4,5,6, a kind of working method of the self-locking clamping device for clamping test pieces of the present invention
Specific step is as follows:
It is installed according to installation requirement, the cone fluted disc supporter 2 is passed through the cone fluted disc bearing 4 and the cone fluted disc 3
It is connected, the cone fluted disc 3 is meshed with the bevel pinion 5, and the bevel pinion 5 passes through spline and the small coning gear shaft
6 phases are fixedly connected, and the small coning gear shaft 6 is connected with each other by the bevel pinion bearing 7 with the shell 1;By the cone
Fluted disc supporter 2 is mutually permanently connected by screw with the door 8, and the door 8 is installed by screw and the gear shaft
Body 12 is mutually permanently connected, and the gear shaft fixing body 12 and the cylinder ring type connector 13 are fixed to each other company by screw
It connects, the cylinder ring type connector 13 is mutually permanently connected with the shell 1 by screw;The cone fluted disc 3 and the method
Blue disc type connector 9 is mutually permanently connected by screw, and the flange plate type connector 9 passes through spiral shell with the cylinder outer gear ring 10
Nail is mutually permanently connected, and the cylinder outer gear ring 10 is interconnected with the gear shaft fixing body 12 by 11 phase of cylinder outer gear ring bearing
It connects;The cylinder outer gear ring 10 is meshed with the small cylinder gear I14, the small cylinder gear I14 and the gear shaft
15 are mutually permanently connected by spline, and the gear shaft 15 is mutually permanently connected with the small cylinder gear II16 by spline,
The gear shaft 15 is connected with each other with the gear shaft fixing body 12 by the gear axle bearing 17;The small cylinder gear
II16 is meshed with the rack-and-pinion claw 18, the rack-and-pinion claw 18 respectively with the guide base I19 and guide base
II20 is slidably connected by clearance fit, the guide base I19 and guide base II20 respectively with the gear shaft fixing body
12 are mutually permanently connected by welding manner;By the self-locking device 21 be placed in the shell 1 and the bevel pinion 5 it
Between, the ratchet 214 of the self-locking device 21 is mounted on the small coning gear shaft 6 by spline, the base of the self-locking device 21
Seat 211 is mutually permanently connected with the shell 1 and the cone fluted disc supporter 2 respectively by screw, the self-locking device 21
Direction-changing type pawl 212 is slidably connected with the cone fluted disc supporter 2 by clearance fit;Make the shell 1, the cone fluted disc branch
Support body 2, the cone fluted disc 3, the cone fluted disc bearing 4, the door 8, the flange plate type connector 9, the cylinder external tooth
The axis of 10, the cylinder outer gear ring bearing 11, the gear shaft fixing body 12 and the cylinder ring type connector 13 is enclosed same
On straight line;Make the bevel pinion 5, the small coning gear shaft 6, the bevel pinion bearing 7, the small cylinder gear
I14, it the gear shaft 15, the small cylinder gear II16, the gear axle bearing 17, the rack-and-pinion claw 18, described leads
Respectively there are three sets to pedestal I19, the guide base II20 and the self-locking device 21, they surround the same straight line equal part
Distribution;Make the shell 1, the cone fluted disc supporter 2, the door 8, the gear shaft fixing body 12 and the cylinder ring type
Connector 13 forms stator system, and during stepping up test specimen, stator system does not rotate around central axis;Make the cone
Fluted disc 3, the flange plate type connector 9 and the cylinder outer gear ring 10 form rotor-support-foundation system, during stepping up test specimen, turn
Subsystem rotates around central axis.
When clamping test specimen inner wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 212, use is portable
The adjusting knob of the direction-changing type pawl 212 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 214 are made
It cooperates, rotate clockwise the small coning gear shaft 6 can only, i.e., the described rack-and-pinion claw 18 can only be to far from central axis
Direction movement, to complete the self-locking of the clamping device.
The small coning gear shaft 6 is rotated clockwise with allen wrench, the small coning gear shaft 6 rotates, and then drives institute
State the rotation of bevel pinion 5;The rotation of the bevel pinion 5 drives the cone fluted disc 3 to rotate, and then the flange plate type is driven to connect
Junctor 9 rotates;The rotation of the flange plate type connector 9 drives the cylinder outer gear ring 10 to rotate, and then drives the roundlet
Stud wheel I14 rotation;The rotation of the small cylinder gear I14 drives the gear shaft 15 to rotate, and then drives the small column
Gear II16 rotation;The rotation of the small cylinder gear II16 drives the rack-and-pinion claw 18 for linear motion, makes the tooth
The arcuate end of formula claw 18 moves, with the arc of the rack-and-pinion claw 18 far from central axis towards test specimen inner wall
The clamping work of test specimen is completed in the separate increase in end.
When clamping test specimen outer wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 212, use is portable
The adjusting knob of the direction-changing type pawl 212 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 214 are made
It cooperates, rotate counterclockwise the small coning gear shaft 6 can only, i.e., the described rack-and-pinion claw 18 can only be to close to central axis
Direction movement, to complete the self-locking of the clamping device.
Rotate the small coning gear shaft 6 counterclockwise with allen wrench, it is described small after the transmission of above-mentioned transmission mechanism
The rotation of roller gear II16 drives the rack-and-pinion claw 18 for linear motion, makes the arcuate end of the rack-and-pinion claw 18
It close to central axis, is moved towards test specimen outer wall, with the close increase of the arcuate end of the rack-and-pinion claw 18, completes examination
The clamping work of part.
When unclamping test specimen inner wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 212, use is portable
The adjusting knob of the direction-changing type pawl 212 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 214 are made
It cooperates, the small coning gear shaft 6 is enable to rotate counterclockwise, i.e., the described rack-and-pinion claw 18 can be to the side close to central axis
To movement, to complete the unlock setting of the clamping device.
Rotate the small coning gear shaft 6 counterclockwise with allen wrench, the small coning gear shaft 6 rotates, and then drives institute
State the rotation of bevel pinion 5;The rotation of the bevel pinion 5 drives the cone fluted disc 3 to rotate, and then the flange plate type is driven to connect
Junctor 9 rotates;The rotation of the flange plate type connector 9 drives the cylinder outer gear ring 10 to rotate, and then drives the roundlet
Stud wheel I14 rotation;The rotation of the small cylinder gear I14 drives the gear shaft 15 to rotate, and then drives the small column
Gear II16 rotation;The rotation of the small cylinder gear II16 drives the rack-and-pinion claw 18 for linear motion, makes the tooth
The arcuate end of formula claw 18 moves, with the arc of the rack-and-pinion claw 18 close to central axis backwards to test specimen inner wall
The release work of test specimen is completed in the close increase in end.
When unclamping test specimen outer wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 212, use is portable
The adjusting knob of the direction-changing type pawl 212 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 214 are made
It cooperates, the small coning gear shaft 6 is enable to rotate clockwise, i.e., the described rack-and-pinion claw 18 can be to the side far from central axis
To movement, to complete the unlock setting of the clamping device.
The small coning gear shaft 6 is rotated clockwise with allen wrench, it is described small after the transmission of above-mentioned transmission mechanism
The rotation of roller gear II16 drives the rack-and-pinion claw 18 for linear motion, makes the arcuate end of the rack-and-pinion claw 18
It close to far from axis, is moved backwards to test specimen outer wall, with the separate increase of the arcuate end of the rack-and-pinion claw 18, completes examination
The release work of part.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of self-locking clamping device for clamping test pieces characterized by comprising shell (1), cone fluted disc supporter
(2), fluted disc (3), cone fluted disc bearing (4), bevel pinion (5), small coning gear shaft (6), bevel pinion bearing (7), door are bored
(8), flange plate type connector (9), cylinder outer gear ring (10), cylinder outer gear ring bearing (11), gear shaft fixing body (12), cylinder
Ring type connector (13), small cylinder gear I (14), gear shaft (15), small cylinder gear II (16), gear axle bearing (17), tooth
Formula claw (18), guide base I (19), guide base II (20), self-locking device (21);The cone fluted disc supporter (2) is logical
It crosses the cone fluted disc bearing (4) to be connected with the cone fluted disc (3), the cone fluted disc (3) is mutually nibbled with the bevel pinion (5)
It closes, the bevel pinion (5) is mutually fixedly connected by spline with the small coning gear shaft (6), and the small coning gear shaft (6) passes through
The bevel pinion bearing (7) and the shell (1) are connected with each other;The cone fluted disc supporter (2) passes through screw and the gear
Lid (8) is mutually permanently connected, and the door (8) is mutually permanently connected by screw with the gear shaft fixing body (12), described
Gear shaft fixing body (12) is mutually permanently connected with the cylinder ring type connector (13) by screw, the cylinder ring type connection
Body (13) is mutually permanently connected with the shell (1) by screw;The cone fluted disc (3) and the flange plate type connector (9)
It is mutually permanently connected by screw, the flange plate type connector (9) is mutually solid by screw with the cylinder outer gear ring (10)
Fixed connection, the cylinder outer gear ring (10) are mutually interconnected with the gear shaft fixing body (12) by cylinder outer gear ring bearing (11)
It connects;The cylinder outer gear ring (10) is meshed with the small cylinder gear I (14), the small cylinder gear I (14) and the tooth
Wheel shaft (15) is mutually permanently connected by spline, and the gear shaft (15) is mutual by spline with the small cylinder gear II (16)
It is fixedly connected, the gear shaft (15) and the gear shaft fixing body (12) are connected with each other by the gear axle bearing (17);
The small cylinder gear II (16) is meshed with the rack-and-pinion claw (18), and the rack-and-pinion claw (18) is led with described respectively
It is slidably connected to pedestal I (19) and guide base II (20) by clearance fit, the guide base I (19) and guide base II
(20) it is mutually permanently connected respectively with the gear shaft fixing body (12) by welding manner;The self-locking device (21) is located at institute
It states between shell (1) and the bevel pinion (5), the ratchet (214) of the self-locking device (21) is mounted on described by spline
On small coning gear shaft (6), the pedestal (211) of the self-locking device (21) by screw respectively with the shell (1) and the cone
Fluted disc supporter (2) is mutually permanently connected, the direction-changing type pawl (212) of the self-locking device (21) and the cone fluted disc supporter
(2) it is slidably connected by clearance fit;The shell (1), the cone fluted disc supporter (2), the cone fluted disc (3), the cone
Fluted disc bearing (4), the door (8), the flange plate type connector (9), the cylinder outer gear ring (10), the cylinder external tooth
The axis of bearing (11), the gear shaft fixing body (12) and the cylinder ring type connector (13) is enclosed on same straight line;
The bevel pinion (5), the small coning gear shaft (6), the bevel pinion bearing (7), the small cylinder gear I (14), institute
State gear shaft (15), the small cylinder gear II (16), the gear axle bearing (17), the rack-and-pinion claw (18), described
Guide base I (19), the guide base II (20) and the self-locking device (21) respectively have three sets, they surround the same
Straight line etc. point distribution.
2. a kind of self-locking clamping device for clamping test pieces as described in claim 1, which is characterized in that the shell
It (1) is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed, other end is provided with circular through hole I,
It is opened around the circular through hole I there are three the threaded hole for surrounding axis equal part, the shell (1) is provided with the threaded hole
One end is connected with one end of the cylinder ring type connector (13) by screw;Divide equally on the side of the cylindrical body and is provided with
Three circular through hole II, for the axis of three circular through hole II on same plane I, the plane I is parallel with two end faces,
The plane I is located at the side of the central symmetry plane of two end faces, and is proximate to the side of the removed end face;Described
Circular through hole III there are three being separated on the side of cylindrical body, the axis of three circular through hole III is in same plane II
On, and the plane II and plane I is symmetrical about the central symmetry plane of two end faces.
3. a kind of self-locking clamping device for clamping test pieces as claimed in claim 2, which is characterized in that the cone fluted disc
Supporter (2) is located at the inside of one end of the shell (1), and one end of the shell (1) is the removed one end in end face;Institute
Stating cone fluted disc supporter (2) is flange plate type structure, is led to by the cylindrical body I of circle ring disk I and both ends of the surface removed inner hollow
It crosses welding to interconnect, be separated at the edge of circle ring disk I there are three circular through hole IV, the self-locking device (21)
Direction-changing type pawl (212) is slidably connected with the circular through hole IV by clearance fit, in the cylindrical body I of inner hollow
One end is provided with Step Circular slot, and the one end for being provided with Step Circular slot is one end far from the circle ring disk I.
4. a kind of self-locking clamping device for clamping test pieces as claimed in claim 3, which is characterized in that the self-locking dress
Setting (21) includes: pedestal (211), direction-changing type pawl (212), spring (213), ratchet (214);The pedestal (211) is inside
Hollow rectangular parallelepiped structure, and an end face is removed, other end is provided with circular through hole V, and the one side of the pedestal passes through spiral shell
Nail is fixedly mounted on the medial surface of the shell (1), and the end face of the pedestal (211) is fixedly mounted on the cone by screw
The outer edge of the circle ring disk I of fluted disc supporter (2);The direction-changing type pawl (212) is located in the pedestal (211), by
Adjusting knob, elongate cylinder, disk and Wedge plate type spine tooth are passed sequentially through to be screwed and be installed together, the direction-changing type pawl
(212) the elongate cylinder successively respectively with it is described cone fluted disc supporter (2) the circular through hole IV and the self-locking dress
The circular through hole V for setting the pedestal (211) of (21) is slidably connected by clearance fit, the institute of the direction-changing type pawl (212)
Stating elongate cylinder housing has the spring (213), the Wedge plate type spine tooth and the ratchet of the direction-changing type pawl (212)
(214) cooperate installation;One end phase for being provided with circular through hole V of one end of the spring (213) and the pedestal (211)
It is mutually fixedly connected, the other end of the spring (213) and one end of the disk of the direction-changing type pawl (212) are fixed to each other
Connection;The ratchet (214) is mounted on one end of the small coning gear shaft (6) by spline, and is proximate to the bevel pinion
(5) one end.
5. a kind of self-locking clamping device for clamping test pieces as claimed in claim 4, which is characterized in that the ring flange
Formula connector (9) is flange plate type structure, is interconnected on one by welding by the circle ring disk II and cylindrical body II of inner hollow
It rises, and an end face of the cylindrical body II is removed, other end is provided with circular hole, and opening a round-meshed end face is far from institute
State mono- end face circle ring disk II.
6. a kind of self-locking clamping device for clamping test pieces as claimed in claim 5, which is characterized in that the gear shaft
Fixing body (12) is class flange plate type structure, cylindrical body III and both ends by the removed inner hollow of circle ring disk III, both ends of the surface
The cylindrical body IV of the removed inner hollow in face passes sequentially through welding and interconnects.
7. a kind of self-locking clamping device for clamping test pieces as claimed in claim 6, which is characterized in that the rack-and-pinion
The one side of claw (18) is provided with teeth, and dovetail groove, the rack-and-pinion claw (18) are provided on the two sides adjacent with the side
Teeth and the small cylinder gear II (16) teeth be intermeshed, the dovetail groove respectively with the guide base I (19)
Dovetail tangs and the dovetail tangs of guide base II (20) be slidably connected by clearance fit, the rack-and-pinion claw (18)
Both ends of the surface are arcuate structure.
8. a kind of self-locking clamping device for clamping test pieces as claimed in claim 7, which is characterized in that the small bevel gear
One end of wheel shaft (6) is provided with Hexagon hole, and one end of the small coning gear shaft (6) is to install the bevel pinion bearing (7)
One end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910377724.0A CN110228028A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910377724.0A CN110228028A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces |
Publications (1)
Publication Number | Publication Date |
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CN110228028A true CN110228028A (en) | 2019-09-13 |
Family
ID=67861193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910377724.0A Withdrawn CN110228028A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces |
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CN (1) | CN110228028A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110893475A (en) * | 2019-11-26 | 2020-03-20 | 青岛市技师学院 | Intelligent workpiece chuck device for manual chuck type numerically controlled lathe |
CN115365530A (en) * | 2022-10-26 | 2022-11-22 | 扬州市金亚达钣金制造有限公司 | Anchor clamps for machining |
-
2019
- 2019-04-30 CN CN201910377724.0A patent/CN110228028A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110893475A (en) * | 2019-11-26 | 2020-03-20 | 青岛市技师学院 | Intelligent workpiece chuck device for manual chuck type numerically controlled lathe |
CN110893475B (en) * | 2019-11-26 | 2021-04-27 | 青岛市技师学院 | Intelligent workpiece chuck device for manual chuck type numerically controlled lathe |
CN115365530A (en) * | 2022-10-26 | 2022-11-22 | 扬州市金亚达钣金制造有限公司 | Anchor clamps for machining |
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