CN206764422U - A kind of mechanical pushing linear motion device being driven using screw-nut - Google Patents
A kind of mechanical pushing linear motion device being driven using screw-nut Download PDFInfo
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- CN206764422U CN206764422U CN201720652873.XU CN201720652873U CN206764422U CN 206764422 U CN206764422 U CN 206764422U CN 201720652873 U CN201720652873 U CN 201720652873U CN 206764422 U CN206764422 U CN 206764422U
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- armature spindle
- manipulator
- motor
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Abstract
The utility model belongs to numerically controlled automatic technical field, more particularly to a kind of mechanical pushing linear motion device being driven using screw-nut, it is made up of manipulator, long beam, leading screw, screw, direct driving motor and line slideway, leading screw both ends are fixedly installed on long beam；Two groups of line slideways are parallel to be distributed in leading screw both sides, and is fixed on long beam；Screw couples with the output end of direct driving motor, and spiral is on leading screw；Manipulator is fixedly installed on direct driving motor, and is slidably connected respectively with two groups of line slideways by carriage.The utility model is compact-sized, space hold is small, convenient processing and manufacture, precision height, fast response time, cost are low, can either realize the longer linear motion of manipulator, and can enough ensures higher precision of rectilinear motion.
Description
Technical field
The utility model belongs to numerically controlled automatic technical field, more particularly to a kind of manipulator being driven using screw-nut
Long linear motion device.
Background technology
In numerically controlled automatic manufacture field, the conveying of material generally carrys out reality by linear motion of the manipulator in long beam
Existing, manipulator uses rack-and-pinion or toothed belt transmission mode mostly in the linear motion of long beam at present, although can realize
Faster response speed, but because the transmission accuracy of both structures is relatively low, on direction backhaul larger gap be present, be extremely difficult to
High-precision transmission requires；And both kinds of drive all use servomotor drive control, it is necessary to be reserved for servomotor
Larger installing space, space availability ratio are relatively low, it is impossible to adapt to the demand for development of equipment occupation space；In addition, both are driven
Mode is also easy to produce larger abrasion in engagement process, so as to influence service life.
Another kind of drive of linear motion is screw-nut transmission, it is possible to achieve accurate Fine Feed, and have
The characteristics of friction loss is small, transmission efficiency, high transmission accuracy, it disclosure satisfy that high accuracy transmission requires to a certain extent, but
It is mainly to drive leading screw to rotate by shaft coupling using servomotor or reductor in existing screw-nut drive mechanism, it is watched
Take that motor and speed reducer space-consuming is larger, and cost is higher, can also there is certain loss of significance, silk in shaft coupling transmission process
If thick stick is longer, mounting and adjusting is extremely difficult, and the precision of leading screw and rigidity also are difficult to ensure.And with automatic production line
Development, to the length requirement more and more higher of manipulator linear motion, the kind of drive of existing screw-nut obviously can not meet
The long linear motion transmission of manipulator requires.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is compact-sized, space hold is small, adds
The mechanical pushing linear motion device for the screw-nut transmission that work is easily manufactured, precision is high, fast response time, cost are low, can
The longer linear motion of manipulator is enough realized, and can enough ensures higher precision of rectilinear motion.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：One kind uses leading screw
The mechanical pushing linear motion device of screw transmission, by manipulator, long beam, leading screw, screw, direct driving motor and line slideway
Composition, leading screw both ends are fixedly installed on long beam；Two groups of line slideways are parallel to be distributed in leading screw both sides, and is fixed on long beam
On；Screw couples with the output end of direct driving motor, and spiral is on leading screw；Manipulator is fixedly installed on direct driving motor, and is led to
Carriage is crossed to be slidably connected with two groups of line slideways respectively.
A kind of above-mentioned mechanical pushing linear motion device being driven using screw-nut, the direct driving motor are determined by motor
Son, armature spindle, bearing, bearing spacer, bearing block, bearing gland, locking nut, encoder, motor housing, motor rear cover, bone
Frame oil sealing and lubrication oiling plate composition, armature spindle are fixed on bearing block by two groups of bearings, are provided between two groups of bearings
Bearing spacer, the locking nut by the bearing gland of bearing front end, bearing block and bearing rear end is turning two groups of bearings respectively
Sub- axle axial restraint, bearing gland are installed on bearing block, and locking nut spiral is on armature spindle, bearing gland and armature spindle axle
End forms labyrinth seal；The bearing block is fixedly connected with motor housing；Motor stator is located inside motor housing, and and rotor
Magnetic shoe interaction on axle, rotor driven axle rotate；The rear end of armature spindle is fixedly connected and has encoder；Motor rear cover is arranged on
Rotor shaft tail end, outside framework oil seal is provided with the end center of motor rear cover；Lubrication oiling plate is installed on motor rear cover.
A kind of above-mentioned mechanical pushing linear motion device being driven using screw-nut, the armature spindle is hollow structure,
Screw is coupled by screw with armature spindle.
A kind of above-mentioned mechanical pushing linear motion device being driven using screw-nut, is provided with the outside of the bearing block
Mounting hole, manipulator are installed on mounting hole by screw, and manipulator and bearing block are linked together.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, processing and manufacturing side
Just, cost is low, and directly drive screw using direct driving motor rotates around leading screw, and one side leading screw is fixed, leading screw length not shadow
Screw-nut driving precision is rung, and leading screw mounting and adjusting is convenient, without devices such as reserved servomotor, shaft couplings during installation
Installation site, space availability ratio is high；Another aspect direct driving motor drives, and eliminates the intermediate connectors such as shaft coupling, reduces
The trueness error that the device such as shaft coupling transmission belt comes, response is rapider, substantially increases the transmission accuracy of screw-nut, ensures
Manipulator realizes high accuracy linear motion.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is draw bail schematic diagram inside the utility model direct driving motor.
Fig. 3 is draw bail schematic diagram outside the utility model direct driving motor.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1 to Fig. 3, a kind of mechanical pushing linear motion dress using screw-nut transmission of the present utility model
Put, be made up of long beam 1, manipulator 2, direct driving motor 3, leading screw 4, screw 5 and line slideway 6.
Wherein, direct driving motor 3 includes armature spindle 301, bearing 302, bearing spacer 303, bearing block 304, bearing gland
305th, locking nut 306, motor stator 307, motor housing 308, encoder 309, motor rear cover 310, outside framework oil seal 311 and
Oiling plate 312 is lubricated, as shown in Fig. 2 armature spindle 301 is hollow structure, and bearing block 304 is fixed on by two groups of bearings 302
On, bearing spacer 303 is provided between two groups of bearings 302, the inner ring of bearing spacer 303 is corresponding with the inner ring of bearing 302, with axle
Hold 302 inner rings to rotate together, the outer ring of bearing spacer 303 is corresponding with the outer ring of bearing 302.Bearing 302 respectively by bearing before
Bearing gland 305, bearing block 304 and the locking nut 306 of bearing rear end at end are in the axial restraint of armature spindle 301, bearing pressure
Lid 305 is installed on bearing block 304, and forms labyrinth seal with the shaft end of armature spindle 301, prevents cutting fluid etc. from entering direct driving motor
It is internal；The spiral of locking nut 306 is on armature spindle 301.Bearing block 304 is fixedly connected with motor housing 308；Motor stator 307
Interacted inside motor housing 308, and with the magnetic shoe on armature spindle 301, rotor driven axle 301 rotates.Armature spindle 301
Rear end have encoder 309 by screw attachment, encoder 309 rotates with armature spindle, can be known by encoder count head
The other rotational angle of encoder 309, and feed back to control system and compensate, ensure that armature spindle 301 can complete high-precision rotation.
Motor rear cover 310 is corresponding with motor housing 308, and is located at the tail end of armature spindle 301, at the end center of motor rear cover 310 also
Outside framework oil seal 311 is provided with, direct driving motor is internally formed effective sealing.Lubrication oiling plate 312 is installed on motor rear cover 310
On.
The both ends of leading screw 4 are fixedly installed on long beam 1；Line slideway 6 is parallel to be distributed in the both sides of leading screw 4, and is fixed on
On long beam 1.Screw 5 is coupled by screw with armature spindle 301, and the spiral of screw 5 makes leading screw 4 through rotor on leading screw 4
The centre bore of axle 301.Screw mounting hole 341 is provided with bearing block 304, as shown in Figure 3；Manipulator 2 passes through screw and screw
Mounting hole 341 couples with bearing block 304；Meanwhile manipulator 2 is slidably connected with line slideway 6 respectively by carriage.
During work, the armature spindle 301 of direct driving motor 3 drives screw 5 to be rotated around the axis of leading screw 4, and the both ends of leading screw 1 are fixed not
It is dynamic, so as to realize smooth movement of the screw 5 on leading screw 4, and then drive direct driving motor 3 and manipulator 2 to be put down with screw 5
Sliding is dynamic, and coordinates line slideway 6 to realize that the high accuracy of manipulator 2 moves along a straight line.
Although the utility model is described in detail above, the utility model not limited to this, art technology
Personnel can carry out various modifications according to principle of the present utility model.Therefore, all modifications made according to the utility model principle,
It all should be understood to fall into the scope of protection of the utility model.
Claims (4)
1. it is a kind of using screw-nut be driven mechanical pushing linear motion device, it is characterised in that by manipulator, long beam,
Leading screw, screw, direct driving motor and line slideway composition, leading screw both ends are fixedly installed on long beam；Two groups of line slideways are put down
Row is distributed in leading screw both sides, and is fixed on long beam；Screw couples with the output end of direct driving motor, and spiral is on leading screw；
Manipulator is fixedly installed on direct driving motor, and is slidably connected respectively with two groups of line slideways by carriage.
2. a kind of mechanical pushing linear motion device being driven using screw-nut according to claim 1, its feature are existed
In the direct driving motor is by motor stator, armature spindle, bearing, bearing spacer, bearing block, bearing gland, locking nut, coding
Device, motor housing, motor rear cover, outside framework oil seal and lubrication oiling plate composition, armature spindle are fixed on bearing by two groups of bearings
On seat, be provided with bearing spacer between two groups of bearings, two groups of bearings respectively by the bearing gland of bearing front end, bearing block and
The locking nut of bearing rear end is installed on bearing block in armature spindle axial restraint, bearing gland, and locking nut spiral is in rotor
On axle, bearing gland and armature spindle shaft end form labyrinth seal；The bearing block is fixedly connected with motor housing；Motor stator position
Interacted inside motor housing, and with the magnetic shoe on armature spindle, rotor driven axle rotates；The rear end of armature spindle is fixedly connected
There is encoder；Motor rear cover is arranged on rotor shaft tail end, and outside framework oil seal is provided with the end center of motor rear cover；Lubricate oiling
Plate is installed on motor rear cover.
3. a kind of mechanical pushing linear motion device being driven using screw-nut according to claim 2, its feature are existed
In the armature spindle is hollow structure, and screw is coupled by screw with armature spindle.
4. a kind of mechanical pushing linear motion device being driven using screw-nut according to Claims 2 or 3, its feature
It is, mounting hole is provided with the outside of the bearing block, and manipulator is installed on mounting hole by screw, by manipulator and bearing
Seat is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652873.XU CN206764422U (en) | 2017-06-07 | 2017-06-07 | A kind of mechanical pushing linear motion device being driven using screw-nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652873.XU CN206764422U (en) | 2017-06-07 | 2017-06-07 | A kind of mechanical pushing linear motion device being driven using screw-nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206764422U true CN206764422U (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720652873.XU Active CN206764422U (en) | 2017-06-07 | 2017-06-07 | A kind of mechanical pushing linear motion device being driven using screw-nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206764422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975964A (en) * | 2017-06-07 | 2017-07-25 | 北京精雕科技集团有限公司 | A kind of mechanical pushing linear motion device of use screw-nut transmission |
-
2017
- 2017-06-07 CN CN201720652873.XU patent/CN206764422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975964A (en) * | 2017-06-07 | 2017-07-25 | 北京精雕科技集团有限公司 | A kind of mechanical pushing linear motion device of use screw-nut transmission |
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