CN106475585B - A kind of device for clamping and rotating - Google Patents
A kind of device for clamping and rotating Download PDFInfo
- Publication number
- CN106475585B CN106475585B CN201510537317.3A CN201510537317A CN106475585B CN 106475585 B CN106475585 B CN 106475585B CN 201510537317 A CN201510537317 A CN 201510537317A CN 106475585 B CN106475585 B CN 106475585B
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- bearing
- cylinder
- boss
- center
- hole
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Classifications
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- 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
- B23B31/40—Expansion mandrels
- B23B31/4006—Gripping the work or tool by a split sleeve
- B23B31/402—Gripping the work or tool by a split sleeve using fluid-pressure means to actuate the gripping means
- B23B31/4026—Gripping the work or tool by a split sleeve using fluid-pressure means to actuate the gripping means using mechanical transmission through the spindle
-
- 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
- B23B31/40—Expansion mandrels
- B23B31/4006—Gripping the work or tool by a split sleeve
- B23B31/4013—Details of the jaws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of device for clamping and rotating, including drawing mechanism, clamping hold-down mechanism and swing mechanism.When work, first the central through hole of the round platform of workpiece own elasticity chuck is headed into, spring is compacted.Cylinder is ventilated, and elastic jacket is moved along the direction where bearing sleeve to cylinder by force, and radial contraction, to achieve the purpose that clamping article.Synchronous pulley does rotary motion, and elastic jacket and workpiece is driven to do rotary motion together.If cylinder exhaust off-load, elastic jacket resets, and spring automatic reset simultaneously ejects workpiece.The present invention can realize workpiece stable holding and revolution, avoid double fastener and grab the problems such as clamping stability is poor, chucking power is inadequate, and device uses the control mode that cylinder is combined with mechanical mechanism, easy to operate, cost-effective.
Description
Technical field
The invention belongs to machining equipment technical fields, and in particular to a kind of device for clamping and rotating.
Background technology
At present in industrial automation, there are many clamping devices, double fastener grabs, three grippers, more grippers etc..Chinese patent
201310405745.1 disclose a kind of clamping device, and described device is a kind of double gripper devices, including the first clamping limb and the
Two clamping limbs, the first clamping limb and the second clamping limb are hinged, but for clamping revolving body, double fastener, which is grabbed, to be not sufficiently stable, and
Clamping is not strong enough.
Chinese patent 201320076755.0 discloses a kind of three claw robot, and the manipulator is by the sliding of telescopic rod
It pushes guide pad to be moved along taper surface and carrys out the folding that control claw refers to, cylindrical workpiece can be captured, but the device is not carried out work
It the rotation of part and is not sufficiently stable.
Chinese patent 201210204307.4 discloses a kind of manipulator control system, and where it is proposed five claw clips to hold
Camera is obtained external view signal transmission to controller when finger works, then sends out signal Driving Stepping Motor control by mechanism
Finger processed is flexible, rotation, grabbing workpiece etc..But it is controlled using robot, considerably increases cost.
Invention content
The purpose of the present invention is to provide a kind of device for clamping and rotating, avoid double fastener grab chucking power not enough, clamping it is inadequate
Stablize and more grippers control the problems such as troublesome, of high cost using robot.
Realize that the technical solution of the object of the invention is:A kind of device for clamping and rotating, including drawing mechanism, clamping compress
Mechanism and swing mechanism;Hold-down mechanism setting is clamped at swing mechanism center, clamping hold-down mechanism one end is connected with drawing mechanism.
The drawing mechanism includes cylinder, cylinder mounting plate, switching stud, bearing mounting base, the first thrust ball bearing, the
Two thrust ball bearings connect bolt with bearing;It includes sequentially connected thread spindle, bearing installation axle and boss that bearing, which connects bolt,;
It is provided with a variable diameters through-hole along bearing connection bolt-center, the through-hole diameter for being located at boss center is more than positioned at thread spindle and bearing
The through-hole diameter of axis center is installed;Cylinder mounting plate center is equipped with circular hole, and the piston rod of cylinder passes through the circular hole, cylinder and gas
Cylinder mounting plate is connected, and the piston rod of switching stud one end and cylinder is connected;Bearing mounting base is cylindrical, one end end-cover-free, separately
One end bottom is provided with circular hole, and the other end for stud of transferring is connected by one end of screw thread and bearing mounting base end-cover-free;First pushes away
Power ball bearing, the second thrust ball bearing are arranged in bearing mounting base;The boss that bearing connects bolt is installed across bearing
The bottom circular aperture of seat is arranged in bearing mounting base, and the second thrust ball bearing is equipped between boss and bearing mounting base bottom, convex
It is equipped with the first thrust ball bearing between platform and switching stud.
The clamping hold-down mechanism includes elastic jacket, mandril, spring and pull rod;Elastic jacket includes once connected
One cylinder, the second cylinder and round platform;The diameter of first cylinder is more than the diameter of the second cylinder;The small end face of round platform diameter and second
Cylinder is connected, and diameter is identical as the second body diameter;Elastic jacket center is equipped with the through-hole of a variable diameters, is located at round platform center
Through-hole diameter be less than positioned at the first cylinder and the second cylindrical center through-hole diameter, the symmetrical several straight troughs of round platform, directly
Slot extends to the second cylinder shaft;Mandril, spring and pull rod are arranged in the variable diameters through-hole at elastic jacket center, and bearing connects
The thread spindle of connecting bolt is connected by the first cylinder of screw thread and elastic jacket, and pull rod one end is equipped with boss;On mandril shaft
Equipped with boss;One end that pull rod is equipped with boss is arranged in the central through hole of boss, and the variable diameters that bolt is connected by bearing are logical
Hole limits, and one end of the other end and mandril is connected by screw thread, and the other end of mandril is arranged in the central through hole of round platform;Mandril
Boss and screw thread axial end between be equipped with spring;Elastic clip is set in swing mechanism.
The elastic jacket material is spring steel.
The swing mechanism includes synchronous pulley, mounting plate, cover board, bearing sleeve and deep groove ball bearing;Bearing sleeve one
End is equipped with boss, and elastic clip is set on bearing sleeve center, and bearing sleeve passes through mounting plate center, bearing sleeve to pass through two
Deep groove ball bearing side by side is fixed on a mounting board;Cover board is located between bearing sleeve one end and mounting plate equipped with boss, and
It is connected with mounting plate, while deep groove ball bearing inner ring being compressed;Synchronous pulley is fixed on bearing sleeve outer wall, passes through external electricity
Machine, synchronous pulley drive bearing sleeve rotation.
Compared with prior art, the present invention its remarkable advantage is:
(1)The configuration of the present invention is simple is compact, occupies little space, and is controlled without robot, cost is greatly saved.
(2)Elastic jacket material is spring steel, ensure that the Stability and dependability of clamping.
(3)Threaded connection is mostly used between each connector, convenient dismounting and repair.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of device for clamping and rotating of the present invention.
Fig. 2 is a kind of elastic jacket schematic diagram of device for clamping and rotating of the present invention.
Fig. 3 is that a kind of bearing of device for clamping and rotating of the present invention connects bolt schematic diagram.
Specific implementation mode
Present invention is further described in detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1-Fig. 3, a kind of device for clamping and rotating includes drawing mechanism, clamping hold-down mechanism and swing mechanism.Clamping
Hold-down mechanism setting is connected in swing mechanism center, clamping hold-down mechanism one end with drawing mechanism.
Drawing mechanism includes cylinder 1(It is purchased in market, Ya De visitor SDA50x5-S), cylinder mounting plate 2, switching stud 3, bearing peace
Dress seat 4, the first thrust ball bearing 5-1, the second thrust ball bearing 5-2 connect bolt 6 with bearing.2 center of cylinder mounting plate is equipped with
The piston rod of circular hole, cylinder 1 passes through the circular hole, cylinder 1 to be connected on cylinder mounting plate 2 by bolt, 3 one end of switching stud
It is connected by the piston rod of screw thread and cylinder 1.
In conjunction with Fig. 3, bearing connects bolt 6 and includes sequentially connected thread spindle 6-1, bearing installation axle 6-2 and boss 6-3,
The junction of thread spindle 6-1 and bearing installation axle 6-2 is equipped with Gewindefreistiche, and flat recess is provided at the top of boss 6-3, is used for bearing
Bolt 6 and the connection that hold-down mechanism is clamped are connected, it is simple in structure, compact.It is logical it to be provided with a variable diameters along 6 center of bearing connection bolt
Hole, the through-hole diameter for being located at boss 6-3 and the centers bearing installation axle 6-2 are more than the through-hole diameter for being located at the centers thread spindle 6-1.
Bearing mounting base 4 is cylindrical, one end end-cover-free, and other end bottom is provided with circular hole, and the other end of switching stud 3 is logical
The one end for crossing screw thread and 4 end-cover-free of bearing mounting base is connected.First thrust ball bearing 5-1, the second thrust ball bearing 5-2 are respectively provided with
In bearing mounting base 4.Bearing connects bottom circular apertures of the boss 6-3 across bearing mounting base 4 of bolt 6, is arranged in bearing
In mounting base 4, the second thrust ball bearing 5-2, boss 6-3 and switching stud are equipped between 4 bottom boss 6-3 and bearing mounting base
The first thrust ball bearing 5-1 is equipped between 3.Switching stud 3, the first thrust ball bearing 5-1, boss 6-3, the second thrust ball bearing
5-2 and bearing mounting base are mutually compressed between 4 bottom, and two thrust ball bearings of setting avoid bearing mounting base 4, switching spiral shell
The piston rod of column 3 and cylinder 1 is rotated with swing mechanism.
In conjunction with Fig. 1, clamping hold-down mechanism includes elastic jacket 11, mandril 13, spring 14 and pull rod 15.11 material of elastic jacket
Material is spring steel(Such as 65Mn), including sequentially connected first cylinder 11-1, the second cylinder 11-2 and round platform 11-3.First cylinder
The diameter of 11-1 is more than the diameter of the second cylinder 11-2;The small end face of round platform 11-3 diameters is connected with the second cylinder 11-2, and straight
Diameter is identical as the second cylinder 11-2 diameters.11 center of elastic jacket is equipped with the through-hole of a variable diameters, is located at the centers round platform 11-3
Through-hole diameter is less than the through-hole diameter positioned at the first cylinder 11-1 and the second centers cylinder 11-2, symmetrical four of round platform 11-3
Straight trough, straight trough extend to the junction of the second cylinder 11-2 and the first cylinder 11-1.Mandril 13, spring 14 and pull rod 15 are respectively provided with
In the variable diameters through-hole at 11 center of elastic jacket, the thread spindle 6-1 that bearing connects bolt 6 passes through screw thread and elastic jacket 11
First cylinder 11-1 is connected, and 15 one end of pull rod is equipped with boss;13 shaft of mandril is equipped with boss.Pull rod 15 is equipped with the one of boss
End is arranged in the central through hole of boss 6-3, and the variable diameters through-hole that bolt 6 is connected by bearing limits, the other end and mandril 13
One end by screw thread be connected, the other end of mandril 13 is arranged in the central through hole of round platform 11-3.The boss and spiral shell of mandril 13
Spring 14 is equipped between the end faces line axis 6-1.
Swing mechanism includes synchronous pulley 7, mounting plate 8, cover board 9, bearing sleeve 10 and deep groove ball bearing 12.Bearing sleeve
10 one end are equipped with boss, centrally disposed through-hole, and elastic jacket 11 is arranged at 10 center of bearing sleeve.10 boss center of bearing sleeve
Bellmouth is set, is cone match with round platform 11-3, on the one hand can play the role of tightening to resilient sleeve 11 and transmits torque,
On the other hand 10 axial float of bearing sleeve can be limited.Bearing sleeve 10 passes through 8 center of mounting plate, bearing sleeve 10 to pass through two
Deep groove ball bearing 12 side by side is fixed on mounting plate 8.Cover board 9 be located at one end and mounting plate 8 of the bearing sleeve equipped with boss it
Between, it is connected by bolt and mounting plate 8, while 12 inner ring of deep groove ball bearing being compressed.Synchronous pulley 7 is fixed on bearing sleeve 10
Outer wall, by external motor, synchronous pulley 7 drives bearing sleeve 10 to rotate.
The course of work is:First the central through hole of the round platform 11-3 of workpiece own elasticity chuck 11 is headed into, mandril 13 and pull rod
15 push certain distance, spring 14 to be in impaction state by workpiece to the direction of cylinder 1;Then cylinder 1 is ventilated, then cylinder 1
Switching stud 3, bearing mounting base 4, bearing connection bolt 6 and elastic jacket 11 is driven to be moved together to the direction where cylinder 1,
Elastic jacket 11 is moved along the direction where bearing sleeve 10 to cylinder 1 by force, since the material of elastic jacket 11 is spring
Steel, elastic jacket 11 can be shunk, to achieve the purpose that clamping article.Synchronous pulley 7 does rotary motion, band by outer translator
Dynamic bearing sleeve 10 does rotary motion, and then elastic jacket 11 and workpiece is driven to do rotary motion.If cylinder 1 is vented off-load, bullet
Property chuck 11 reset, spring 14 automatically resets while ejecting workpiece.
Claims (2)
1. a kind of device for clamping and rotating, it is characterised in that:Including drawing mechanism, clamping hold-down mechanism and swing mechanism;Clamping pressure
At swing mechanism center, clamping hold-down mechanism one end is connected with drawing mechanism for tight mechanism setting;
The drawing mechanism includes cylinder(1), cylinder mounting plate(2), switching stud(3), bearing mounting base(4), the first thrust
Ball bearing(5-1), the second thrust ball bearing(5-2)Bolt is connected with bearing(6);Bearing connects bolt(6)Including being sequentially connected
Thread spindle(6-1), bearing installation axle(6-2)And boss(6-3);Bolt is connected along bearing(6)It is logical that center is provided with a variable diameters
Hole is located at boss(6-3)The through-hole diameter at center, which is more than, is located at thread spindle(6-1)With bearing installation axle(6-2)The through-hole at center
Diameter;Cylinder mounting plate(2)Center is equipped with circular hole, cylinder(1)Piston rod pass through the circular hole, cylinder(1)It is installed with cylinder
Plate(2)It is connected, stud of transferring(3)One end and cylinder(1)Piston rod be connected;Bearing mounting base(4)For cylinder, one end is for no reason
Lid, other end bottom are provided with circular hole, stud of transferring(3)The other end pass through screw thread and bearing mounting base(4)One end of end-cover-free
It is connected;First thrust ball bearing(5-1), the second thrust ball bearing(5-2)It is arranged in bearing mounting base(4)It is interior;Bearing connects
Connecting bolt(6)Boss(6-3)Across bearing mounting base(4)Bottom circular aperture, be arranged in bearing mounting base(4)It is interior, boss(6-
3)With bearing mounting base(4)The second thrust ball bearing is equipped between bottom(5-2), boss(6-3)With switching stud(3)Between set
There is the first thrust ball bearing(5-1);
The clamping hold-down mechanism includes elastic jacket(11), mandril(13), spring(14)And pull rod(15);Elastic jacket(11)
Including sequentially connected first cylinder(11-1), the second cylinder(11-2)And round platform(11-3);First cylinder(11-1)Diameter
More than the second cylinder(11-2)Diameter;Round platform(11-3)The small end face of diameter and the second cylinder(11-2)Be connected, and diameter with
Second cylinder(11-2)Diameter is identical;Elastic jacket(11)Center is equipped with the through-hole of a variable diameters, is located at round platform(11-3)Center
Through-hole diameter be less than be located at the first cylinder(11-1)With the second cylinder(11-2)The through-hole diameter at center, round platform(11-3)Symmetrically
Several straight troughs are distributed, straight trough extends to the second cylinder(11-2)Shaft;Mandril(13), spring(14)And pull rod(15)It is respectively provided with
In elastic jacket(11)In the variable diameters through-hole at center, bearing connects bolt(6)Thread spindle(6-1)Pass through screw thread and elastic clip
Set(11)The first cylinder(11-1)It is connected, pull rod(15)One end is equipped with boss;Mandril(13)Shaft is equipped with boss;Pull rod
(15)One end equipped with boss is arranged in boss(6-3)In the through-hole at center, bolt is connected by bearing(6)Variable diameters
Through-hole limits, the other end and mandril(13)One end by screw thread be connected, mandril(13)The other end be arranged in round platform(11-3)
Central through hole in;Mandril(13)Boss and thread spindle(6-1)Spring is equipped between end face(14);Elastic jacket(11)Setting
In swing mechanism;
The swing mechanism includes synchronous pulley(7), mounting plate(8), cover board(9), bearing sleeve(10)And deep groove ball bearing
(12);Bearing sleeve(10)One end is equipped with boss, elastic jacket(11)It is arranged in bearing sleeve(10)Center, bearing sleeve(10)
Across mounting plate(8)Center, bearing sleeve(10)By two deep groove ball bearings side by side(12)It is fixed on mounting plate(8)On;
Cover board(9)One end and the mounting plate of boss are equipped with positioned at bearing sleeve(8)Between, and and mounting plate(8)It is connected, while by zanjon
Ball bearing(12)Inner ring compresses;Synchronous pulley(7)It is fixed on bearing sleeve(10)Outer wall passes through external motor, synchronous pulley(7)
Drive bearing sleeve(10)Rotation.
2. device for clamping and rotating according to claim 1, it is characterised in that:The elastic jacket(11)Material is spring
Steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510537317.3A CN106475585B (en) | 2015-08-28 | 2015-08-28 | A kind of device for clamping and rotating |
Applications Claiming Priority (1)
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CN201510537317.3A CN106475585B (en) | 2015-08-28 | 2015-08-28 | A kind of device for clamping and rotating |
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CN106475585A CN106475585A (en) | 2017-03-08 |
CN106475585B true CN106475585B (en) | 2018-10-02 |
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CN201510537317.3A Active CN106475585B (en) | 2015-08-28 | 2015-08-28 | A kind of device for clamping and rotating |
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