CN209150899U - A kind of electric cylinders and mechanical equipment - Google Patents
A kind of electric cylinders and mechanical equipment Download PDFInfo
- Publication number
- CN209150899U CN209150899U CN201822092254.7U CN201822092254U CN209150899U CN 209150899 U CN209150899 U CN 209150899U CN 201822092254 U CN201822092254 U CN 201822092254U CN 209150899 U CN209150899 U CN 209150899U
- Authority
- CN
- China
- Prior art keywords
- encoder
- screw rod
- shell
- electric cylinders
- lead screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission Devices (AREA)
Abstract
The utility model relates to a kind of electric cylinders and mechanical equipments.Electric cylinders include shell, fixed plate and setting in the intracorporal motor section of shell, lead screw portion, driving section and encoder；The lead screw portion and the motor section are disposed side by side on the same side of the fixed plate, and the driving section is arranged in the other side of the fixed plate and is separately connected the output end of the motor section and the input terminal in the lead screw portion；The lead screw portion includes the screw rod of rotation connection in the housing, and the telescopic rod being combined together by nut and screw rod；It further include spring bearing, the spring bearing is fixed on the rotation of screw rod described in the shell inner support；The encoder is arranged on the screw rod and close to the spring bearing, and the motor section can drive the screw rod to rotate by the driving section, and the encoder is configured as detecting the motion information of the screw rod.One of the utility model has technical effect that the utility model is compact-sized, to axial space requirement when reducing installation.
Description
Technical field
The utility model belongs to frame for movement technical field, more specifically, the utility model relates to a kind of electric cylinders and machinery
Equipment.
Background technique
Electric cylinders are that the rotary motion of servo motor is converted to the modular product of servo motor and lead screw integrated design
Be in line movement, while the control of servo motor optimum benefits precise rotation, the control of accurate revolution, accurate torque control etc. being changed
It is controlled at accurate speed control, accurate position control and accurate thrust.In the prior art, motor and lead screw array cloth
It sets, is attached by shaft coupling and has driven rotation, so that its axial length is longer, it is higher to axial requirements of installation space.
Therefore, it is necessary to provide a kind of improved electric cylinders.
Utility model content
One purpose of the utility model is to provide a kind of electric cylinders.
One aspect according to the present utility model, provides a kind of electric cylinders, including shell, fixed plate and setting are intracorporal in shell
Motor section, lead screw portion, driving section and encoder；The lead screw portion and the motor section are disposed side by side on the same of the fixed plate
Side, the driving section be arranged in the other side of the fixed plate and be separately connected the motor section output end and the lead screw portion
Input terminal；
The lead screw portion includes the screw rod of rotation connection in the housing, and is stretched by nut with what screw rod was combined together
Contracting bar；It further include spring bearing, the spring bearing is fixed on the rotation of screw rod described in the shell inner support；The encoder is set
It sets on the screw rod and close to the spring bearing, the motor section can drive the screw rod to turn by the driving section
Dynamic, the encoder is configured as detecting the motion information of the screw rod.
Optionally, the encoder includes in optical-electricity encoder, magneto-electric encoder or contact brushes formula encoder
It is a kind of.
Optionally, the encoder includes hollow shaft encoder, and the encoder is socketed on the screw rod.
Optionally, the lead screw portion further includes the limit plate of setting on the housing, is stretched described in the limit plate limit
For contracting bar close to the position of lead screw portion input terminal, one that the limit plate deviates from the telescopic rod is arranged in the encoder
Side.
Optionally, the encoder is fixed on the limit plate.
Optionally, the driving section is fixedly connected with one end of the screw rod；
Alternatively, the lead screw portion further includes the adapter being rotatably arranged in the spring bearing, the driving section and institute
The one end for stating screw rod is separately fixed on adapter.
Optionally, the lead screw portion further includes the nut being rotatably arranged on the screw rod, the telescopic rod and the spiral shell
Mother is fixedly connected；
Alternatively, one end of the telescopic rod is the nut cooperated with the screw rod.
Optionally, the telescopic rod is slidably matched with the shell, and the shell hinders the telescopic rod to circumferentially rotate.
Optionally, the telescopic rod is slidably matched close to one end of the spring bearing with the shell, the shell
One end is provided with linear bearing, the telescopic rod away from described spring bearing one end pass through the linear bearing extend out to it is described
Outside shell.
Other side according to the present utility model, the utility model also provide a kind of mechanical equipment, including bracket and solid
Fixed above-mentioned electric cylinders on the bracket.
One of the utility model has technical effect that the utility model is compact-sized, to axial space when reducing installation
It is required that.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is the schematic diagram of the section structure of some embodiments of the utility model.
Fig. 2 is the partial structurtes stereoscopic schematic diagram of some embodiments of the utility model.
In figure: 1 motor section, 11 motor shafts, 2 lead screw portions, 21 screw rods, 22 encoders, 23 adapters, 24 telescopic rods, 25 limits
Position plate, 26 spring bearings, 3 driving sections, 4 shells, 41 fixed plates.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
A kind of electric cylinders provided by the utility model, in some embodiments, with reference to Fig. 1 and Fig. 2, including motor section 1, lead screw
Portion 2, driving section 3 and encoder 22, shell 4 and fixed plate 41.Motor section 1, lead screw portion 2 and driving section 3 are arranged in shell 4.
Motor section 1 and lead screw portion 2 are disposed side by side on the one side of fixed plate 41.The output end of motor section 1 and lead screw portion 2 it is defeated
Enter end and is located at the same side connecting with fixed plate 41.Driving section 3 is arranged in the other side of fixed plate 41 and is separately connected motor section 1
Output end and lead screw portion 2 input terminal, the axial length that can effectively reduce electric cylinders subtracts so that electric cylinders is compact-sized
To axial space requirement when installing less.Motor section 1 carries out power transmitting by driving section 3, and power is transferred to lead screw portion 2.Gu
Fixed board 41 is that the utility model integrally provides support, and fixed support structure is compact, and fixed position is concentrated.Fixed plate 41 can be position
In in shell 4, a part that can also locally as shell 4, the application is not intended to limit this.
Motor section 1 generally includes servo motor etc..
Lead screw portion 2 includes being rotatably connected on 1 inner screw 21 of shell and being stretched by nut with what screw rod 21 was combined together
Contracting bar 24.Telescopic rod 24 is slidably arranged in shell 1.The fit system of telescopic rod 24 and screw rod 21 can be the one of telescopic rod 24
Holding has the internal screw thread or ball cooperated with screw rod 21, the nut as cooperated with screw rod 21.Screw rod 21 is fitted through with nut
Rotary force can be converted to the power of linear movement by rotation.Motor section 1 can drive 2 inner screw 21 of lead screw portion by driving section 3
Rotation, screw rod 21 can drive telescopic rod 24 to carry out telescopic slide relative to shell 1 by forward and reverse rotation, execute flexible
Movement.In other implementations, it is also possible in lead screw portion 2 comprising the nut individually cooperated with screw rod 21, telescopic rod
24 are fixedly connected with nut, also possible, and the application is not intended to limit this.
Telescopic rod 24 is slidably matched with shell 4, and shell 4 hinders telescopic rod 24 to circumferentially rotate.Such as nut or telescopic rod 24
It is slidably connected and is connect with shell 4 by guide rail, limit circumferentially rotating for nut or telescopic rod 24.Further, it can be flexible
Bar 24 is slidably matched close to one end of 2 input terminal of lead screw portion with shell 4, and shell 4 is away from the setting of one end of the input terminal in lead screw portion 2
There is linear bearing, one end away from 2 input terminal of lead screw portion of telescopic rod 24 passes through linear bearing and extend out to outside shell, as far as possible
So that the stroke of telescopic rod 24 reaches maximum, and telescopic rod 24 and the connection relationship of shell 4 can be maintained always.
Lead screw portion 2 further includes being fixed on the spring bearing 26 that the rotation of screw rod 21 is used to support in shell 1.26 He of spring bearing
Telescopic rod 24 can be located at the both ends of screw rod 21.One end of screw rod 21 can pass through spring bearing 26 as lead screw portion 2
Input terminal；Also input terminal of the adapter 23 as lead screw portion 2 can be set, adapter 23 is rotatably arranged in spring bearing, and one
For connecting with driving section 3, the other end is used for, drive screw rod 21 rotation fixed with screw rod 21 at end.The setting of adapter 23 is convenient for
Simplify that screw rod 21 passes through that spring bearing 26 connect with driving section 3 turn matches difficulty, adapter 23 and screw rod 21 respectively with driving section 3
It is being fixedly connected after being connected with telescopic rod 24, can be avoided influence of the rotation of screw rod 21 to assembling process；On the other hand, may be used
To carry out axial limiting to screw rod 21 by the fixed matching relationship of adapter 23 and 26 assembled in advance of spring bearing, simplify screw rod
21 structure.Spring bearing 4 can also be fixed in fixed plate 41 in shell 1, one end of studdle 21.
Encoder 22 is connect with screw rod 21, is directly measured the motion information of screw rod 21, can be eliminated driving section 3 and go wrong
It is influenced caused by the kinematic accuracy of electric cylinders afterwards.Such as driving section 3 is driven using synchronous belt, synchronous belt has elasticity, when
Thrust output is larger, when loading larger, inevitably there is transmission lag and stress relaxation, the position essence for causing electric cylinders to move
Degree and thrust output are influenced the precision of electric cylinders movement position by being influenced.The utility model connects the motion information of measurement screw rod 21,
It can be avoided influence caused by driving section, mention high control precision.
Encoder 22 is electrically connected with motor section 1, according to the switch of the motion information control motor section 1 detected, so that this
Utility model is more accurate to the control of running precision.On the other hand, encoder 22 is arranged in lead screw portion 2, does not need existing
There is the encoder being arranged on the motor in technology, reduces the cost of motor.
Encoder 22 provides enough sliding spaces close to spring bearing 26, for the telescopic slide of telescopic rod 24, avoids pair
The retraction sliding of telescopic rod 24 causes to hinder.
In some embodiments, encoder 22 includes optical-electricity encoder, magneto-electric encoder or contact brushes formula coding
One of device, the application are not intended to limit this, and those skilled in the art, which can according to need, to be selected.
In some embodiments, with reference to Fig. 1 and Fig. 2, encoder 22 includes hollow shaft encoder, and encoder 22 is socketed in spiral shell
On bar 21, so that the code-disc in encoder 22 is rotated and is measured with the rotation of screw rod 21.Socket is so that structure is convenient for peace
Dress, is also convenient for for being integrally formed in lead screw portion 2, improves the compact of structure.In some other embodiments, encoder
It can be to have shaft encoder, also possible with screw rod axis connection, the application is not intended to limit this.
In some embodiments, with reference to Fig. 1 and Fig. 2, lead screw portion 2 further includes limit plate 25.Limit plate 25 is located at support shaft
It holds between 26 and telescopic rod 24, limit telescopic bar 24 controls the stroke of telescopic rod 24 close to the position of 2 input terminal of lead screw portion.
The side that limit plate 25 deviates from telescopic rod 24 is arranged in encoder 22, and spring bearing 26 and the spacing of limit plate 25 are
Encoder 22 provides installation space, is also prevented from and contacts with the telescopic rod 24 in movement, the movement to telescopic rod 24 is also avoided to cause
It hinders.Encoder 22 can be fixed on limit plate 25, can also be fixed on the spring bearing 26 of yet another side, the application is to this
It is not intended to limit.
Other side according to the present utility model, the utility model also provide a kind of mechanical equipment, including bracket and upper
The electric cylinders stated, electric cylinders are fixed on bracket for executing corresponding movement.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of electric cylinders, which is characterized in that including shell, fixed plate and setting in the intracorporal motor section of shell, lead screw portion, driving section
And encoder；The lead screw portion and the motor section are disposed side by side on the same side of the fixed plate, and the driving section setting exists
The other side of the fixed plate is simultaneously separately connected the output end of the motor section and the input terminal in the lead screw portion；
The lead screw portion includes the screw rod of rotation connection in the housing, and is stretched by what nut and screw rod were combined together
Bar；It further include spring bearing, the spring bearing is fixed on the rotation of screw rod described in the shell inner support；The encoder setting
On the screw rod and close to the spring bearing, the motor section can drive the screw rod to rotate by the driving section,
The encoder is configured as detecting the motion information of the screw rod.
2. electric cylinders according to claim 1, which is characterized in that the encoder includes optical-electricity encoder, magneto-electric volume
Code one of device or contact brushes formula encoder.
3. electric cylinders according to claim 1, which is characterized in that the encoder includes hollow shaft encoder, the coding
Device is socketed on the screw rod.
4. electric cylinders according to claim 1, which is characterized in that the lead screw portion further includes the limit of setting on the housing
Position plate, the limit plate limit the telescopic rod close to the position of lead screw portion input terminal, and the encoder is arranged described
Limit plate deviates from the side of the telescopic rod.
5. electric cylinders according to claim 4, which is characterized in that the encoder is fixed on the limit plate.
6. electric cylinders according to claim 1, which is characterized in that the driving section is fixedly connected with one end of the screw rod；
Alternatively, the lead screw portion further includes the adapter being rotatably arranged in the spring bearing, the driving section and the spiral shell
One end of bar is separately fixed on adapter.
7. electric cylinders according to claim 1, which is characterized in that the lead screw portion further includes being rotatably arranged on the screw rod
Nut, the telescopic rod is fixedly connected with the nut；
Alternatively, one end of the telescopic rod is the nut cooperated with the screw rod.
8. electric cylinders according to claim 7, which is characterized in that the telescopic rod is slidably matched with the shell, the shell
Body hinders the telescopic rod to circumferentially rotate.
9. electric cylinders according to claim 8, which is characterized in that the one end and institute of the telescopic rod close to the spring bearing
It states shell to be slidably matched, one end of the shell is provided with linear bearing, and the telescopic rod deviates from described spring bearing one end
It is extend out to outside the shell across the linear bearing.
10. a kind of mechanical equipment, which is characterized in that including bracket and the fixed any institute of claim 1-9 on the bracket
The electric cylinders stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092254.7U CN209150899U (en) | 2018-12-12 | 2018-12-12 | A kind of electric cylinders and mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822092254.7U CN209150899U (en) | 2018-12-12 | 2018-12-12 | A kind of electric cylinders and mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150899U true CN209150899U (en) | 2019-07-23 |
Family
ID=67290006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822092254.7U Active CN209150899U (en) | 2018-12-12 | 2018-12-12 | A kind of electric cylinders and mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209150899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518733A (en) * | 2020-11-17 | 2021-03-19 | 深圳市优必选科技股份有限公司 | Linear servo steering engine and robot |
| CN113187864A (en) * | 2021-04-22 | 2021-07-30 | 深圳市泰道精密机电有限公司 | Positioning accuracy calibrating device that high accuracy straight line module was used |
-
2018
- 2018-12-12 CN CN201822092254.7U patent/CN209150899U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518733A (en) * | 2020-11-17 | 2021-03-19 | 深圳市优必选科技股份有限公司 | Linear servo steering engine and robot |
| CN113187864A (en) * | 2021-04-22 | 2021-07-30 | 深圳市泰道精密机电有限公司 | Positioning accuracy calibrating device that high accuracy straight line module was used |
| CN113187864B (en) * | 2021-04-22 | 2024-05-07 | 深圳市泰道精密机电有限公司 | Positioning accuracy calibrating device for high-precision linear module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107398924B (en) | Hollow type driving and controlling integrated intelligent modularized joint | |
| US11485028B2 (en) | Linear joint and legged robot having the same | |
| US8978497B2 (en) | Linear actuator with anti-rotation mechanism | |
| US9528581B2 (en) | Motor driven linear actuator and electric motor thereof | |
| US7819655B2 (en) | Linearly displaceable rotary drive for a plastic injection-molding machine | |
| CN209150899U (en) | A kind of electric cylinders and mechanical equipment | |
| WO2014103550A1 (en) | Manipulator | |
| JPWO2009038212A1 (en) | Linear actuator | |
| US9080651B2 (en) | Drive apparatus for driving a worm of an injection molding machine | |
| US9845851B2 (en) | Spring mechanism and linear motion displacement mechanism | |
| KR20110095111A (en) | Actuator | |
| CN213628748U (en) | Linear module with simple structure | |
| CN209150900U (en) | A kind of electric cylinders and mechanical equipment | |
| CN219576765U (en) | Electric cylinder | |
| KR20080037027A (en) | Ball screw and method for displacing a threaded spindle in a ball screw | |
| CN111645773A (en) | Leg assembly of multi-legged robot | |
| CN211630019U (en) | Transmission structure directly driven by torque motor | |
| CN203883609U (en) | High-precision linear driver | |
| CN102101297B (en) | Telescopic joint module for modularized reconfigurable robot | |
| CN109551366A (en) | Telescopic feeding support device and grinding machine | |
| CN209477982U (en) | Telescopic feeding support device and grinding machine | |
| JP3454458B2 (en) | Electric actuator | |
| CN208369386U (en) | A kind of electric cylinder of inbuilt displacement sensor and precise ball screw | |
| CN108772849B (en) | Series elastic driver based on torque motor | |
| GB2459297A (en) | Electrically driven linear actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |