CN110142690A - Constant force device and abrasive machining apparatus - Google Patents
Constant force device and abrasive machining apparatus Download PDFInfo
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- CN110142690A CN110142690A CN201910534166.4A CN201910534166A CN110142690A CN 110142690 A CN110142690 A CN 110142690A CN 201910534166 A CN201910534166 A CN 201910534166A CN 110142690 A CN110142690 A CN 110142690A
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- Prior art keywords
- constant force
- force device
- seal chamber
- air bag
- mounting portion
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- 238000003754 machining Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 64
- 125000004122 cyclic group Chemical group 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 15
- 210000000056 organ Anatomy 0.000 claims description 13
- 238000007667 floating Methods 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 13
- 239000000428 dust Substances 0.000 description 13
- 230000035882 stress Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Actuator (AREA)
Abstract
The application provides a kind of constant force device and abrasive machining apparatus, is related to Intelligent Machining field.The constant force device includes constant pressure output unit, scalable cover and the atmospheric pressure compensated equipment for realizing constant force output.Scalable cover includes the first installation port connecting with external device (ED), the second installation port connecting with stress device and the seal chamber for accommodating the constant pressure output unit.Atmospheric pressure compensated equipment includes shrinkable confined space, and shrinkable confined space is connected to seal chamber, for maintaining the stable gas pressure of seal chamber when the volume of seal chamber changes.The application can be realized the stable gas pressure of sealing space in constant force device, improve the sealing characteristics of constant force device sealing space.
Description
Technical field
This application involves Intelligent Machining fields, in particular to a kind of constant force device and abrasive machining apparatus.
Background technique
In ceramic sanitary ware process of manufacture, the material of green body to be processed is soft, and attrition process process is easy to produce powder
Dirt, it is therefore desirable to carry out dust prevention.To reach preferable dust-proof effect, dust cover is usually set on the outside of process equipment, in fact
Now it is isolated with external dust.In automatic grinding processing, to improve grinding quality, the dress with buffer capacity is generallyd use
Set the constant force output for realizing grinding device.To prevent dust from entering constant force output device, constant force output device needs and dust cover
Sealing space is constituted together.Constant force output device is to keep constant force output, is commonly configured with the telescopic cavity of variable volume.
Air pressure meeting when constant force output device is caused the volume of telescopic cavity to change by external force, in dust cover
Become larger therewith or becomes smaller, accordingly, gas outward bulge or extraneous gas the becoming to dust cover inner part drilling inside dust cover
Gesture, there are certain damage capabilities for the leakproofness of the sealing space constituted for constant force output device and dust cover.
Summary of the invention
The embodiment of the present application is designed to provide a kind of constant force device, can be realized constant force output device and dust cover
The stable gas pressure of the sealing space of composition improves the sealing characteristics of the sealing space of constant force output device and dust cover composition.
In a first aspect, the embodiment of the present application provides a kind of constant force device comprising:
Constant pressure output unit, for realizing constant force output；
Scalable cover, including the first installation port being connect with external device (ED), the second installation being connect with stress device
Port and seal chamber for accommodating the constant pressure output unit；
Atmospheric pressure compensated equipment, including shrinkable confined space, the shrinkable confined space are connected to the seal chamber, are used
In when the volume of the seal chamber changes, the stable gas pressure of the seal chamber is maintained.
During above-mentioned realization, closed, telescopic space is formed inside shrinkable confined space and seal chamber, it is constant
When carrying out stretching motion, seal chamber internal volume changes pressure output unit.When seal chamber internal volume increases, it can receive
The expansion of contracting confined space；When seal chamber internal volume reduces, shrinkable confined space is shunk, to pass through shrinkable confined space
Shrinkage character, realize seal chamber inside stable gas pressure, improve constant pressure output unit sealing characteristics.
As an implementation, constant force device further includes mounting plate, and the mounting plate includes mounting portion and extension；
The mounting portion is mounted on first installation port；The connection seal chamber and institute are provided on the mounting portion
State the first air flue of shrinkable confined space；
The extension is configured with the flange connecting with the external device (ED).
During above-mentioned realization, mounting portion setting installs port first, relative to scalable cover and atmospheric pressure compensating
Device, the position of mounting portion is located at the middle and upper part of constant force device, in this way setting so that the rigidity of entire constant force device can be more preferable.
In one possible implementation, the mounting portion and the extension are arranged at angle.
During above-mentioned realization, extension is obliquely installed with respect to mounting portion, has 180 between extension and mounting portion
The positional relationship of angular region is spent, the inclination of extension can be such that the angular range between extension and mounting portion increases, extension
Then there are more installation reserved spaces.The installation reserved space of extension increases, and can more easily connect with external device (ED).
In one possible implementation, the atmospheric pressure compensated equipment includes:
That side of the mounting portion far from the seal chamber, and the inner ring of the cyclic annular support member is arranged in cyclic annular support member
Through-hole covers the outlet of first air flue；
First air bag, is arranged and banding is in the periphery of the cyclic annular support member middle and upper part.
During above-mentioned realization, the inner ring through-hole of cyclic annular support member covers the outlet of the first air flue, and the purpose is to make first
There is no dew seam between air flue and cyclic annular support member, the gas flowed through through the first air flue is entered by the hollow pipeline of cyclic annular support member
In first air bag, the connection of seal chamber and the first air bag is realized.
As an implementation, the atmospheric pressure compensated equipment further include:
Air bag strut is set to first inside air bag and is fixed at the top of the cyclic annular support member, to be formed described the
One air bag.
During above-mentioned realization, air bag strut has styling to the first air bag, when the first air bag does not expand, no
It is formed by seal chamber as organ cover is fallen through the first air flue.
In alternatively possible implementation, the length of first air bag is less than the height of the cyclic annular support member.
When the first air bag does not expand, the first air bag, which has, falls the possibility that organ cover is formed by seal chamber,
During above-mentioned realization, the length of the first air bag is less than the height of cyclic annular support member, falls even if the first air bag is not expanded and is in
State, the position that the first air bag falls also is only located in the hollow channel of cyclic annular support member, the sealing that will not be formed to organ cover
Chamber has an impact.
In one possible implementation, the shape of the cyclic annular support member inner ring and area and first air flue are transversal
The shape in face is identical with area, and the outlet of the inner ring and first air flue of the cyclic annular support member is aligned setting.
During above-mentioned realization, the outlet of the inner ring of cyclic annular support member and the first air flue is aligned setting, i.e. mounting portion and ring
The smooth linking of air flue interface between shape support member, when the gas in seal chamber is flowed to the first air bag, air-flow is by more clear and more coherent, no
It is also easy to produce noise.
As an implementation, the atmospheric pressure compensated equipment further include:
Protective cover is arranged on the mounting portion, and encloses out one jointly for accommodating the ring with the mounting portion
The airbag chamber of shape support member and first air bag；
Through-hole is provided on the protective cover.In one possible implementation, the through-hole on protective cover includes uniformly arranging
Several pores of column.
During above-mentioned realization, the volume change of seal chamber by the air bag expansion in the first airbag chamber and shrinks progress
Compensation, the outer wall of protective cover are provided with several pores and communicate with the outside of constant force device, to compensate the expansion of the first air bag and contraction pair
The influence of residual gas air pressure inside airbag chamber.
In one possible implementation, the scalable cover is organ cover；
The constant pressure output unit includes cylinder mount frame, telescopic cylinder, linear bearing component and floating junction；
The cylinder mount frame includes more support columns being fixedly connected on mounting portion, and is mounted on more support columns
The support plate of lower end；The telescopic cylinder is mounted in the support plate of cylinder mount frame；
The linear bearing component is mounted on the cylinder mount frame；The linear bearing component includes being mounted on cylinder
Linear bearing on mounting rack, the guide post with linear bearing cooperation, the relatively described linear bearing of guide post are flexible；Guide post is along described straight
The telescopic direction that spool is held is parallel with the moving direction of retractable air cylinder piston bar；
The piston of the telescopic cylinder is connect by the floating junction with the second installation port；The guide post passes through described
The guide post fixture block being arranged on second installation port is connect with the second installation port.
In one possible implementation, the mounting portion is equipped with the first connector and the second connector；
Second installation port is equipped with the stress device gas source connector connecting with the stress device；
The first tracheae and the second tracheae are equipped with inside the scalable cover, the first tracheae is connected to first connector and institute
State constant pressure output unit；Second tracheae is connected to the second connector and the stress device gas source connector.
During above-mentioned realization, the first tracheae and the second tracheae are arranged in seal chamber, i.e. the gas source of stress device connects
The gas source access gas circuit for entering gas circuit and constant pressure output unit is arranged in seal chamber, and the outside of constant force device no longer needs to volume
Outer grafting gas source pipe road, so that the constant force device more compact structure being arranged in the present embodiment, runs also more stable.
In one possible implementation, the side wall of the first installation port be equipped be connected to the seal chamber and it is described can
The second air flue of confined space is shunk, the atmospheric pressure compensated equipment is arranged independently of the scalable cover.
In one possible implementation, second air flue includes rigid line；The atmospheric pressure compensated equipment includes
Second air bag, second air bag is arranged and banding in the rigid line extends to the end except the seal chamber.
According to another aspect of the present invention, a kind of abrasive machining apparatus is additionally provided, including mechanical arm, grinding head and as above
The constant force device；The mechanical arm in the constant force device first installation port be fixedly connected, the grinding head with
Second installation port is fixedly connected.
From the above technical scheme, the setting of the seal chamber locating for constant pressure output unit and seal chamber in the application
It is connected to and constitutes closed, telescopic space shrinkable confined space with seal chamber, pass through the flexible spy of shrinkable confined space
Property, it realizes the stable gas pressure inside seal chamber, improves the sealing characteristics of constant pressure output unit.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structure diagram of constant force device shown in the embodiment of the present application；
Fig. 2 is a kind of structural schematic diagram of constant force device shown in the embodiment of the present application；
Fig. 3 is the top view of constant force device shown in Fig. 2；
Fig. 4 is the A-A of constant force device in Fig. 2 to sectional view；
Fig. 5 is the structural schematic diagram that constant force device shown in Fig. 2 does not install scalable cover；
Fig. 6 is the structure diagram of another constant force device shown in the embodiment of the present application.
Icon: 100- constant pressure output unit；110- cylinder mount frame, 111- support column；112- support plate；120- stretches
Contracting cylinder, 130- linear bearing component；131- linear bearing；132- guide post；140- floating junction；The scalable cover of 200-；
210- first installs port；The second air flue of 211-；220- second installs port；230- seal chamber；300- atmospheric pressure compensated equipment；
310- ring-type support member；311- inner ring through-hole；330- air bag strut；340- protective cover；The first air bag of 320-；The second air bag of 330-；
400- mounting plate；410- mounting portion；The first air flue of 411-；420- extension；421- flange；The first connector of 430-；440- second
Connector；133- guide post fixture block.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Application product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Fig. 1 is a kind of structure diagram of constant force device shown in the embodiment of the present application.Referring to Fig. 1, constant force device includes perseverance
Constant-pressure output unit 100, scalable cover 200 and atmospheric pressure compensated equipment 300.
Constant pressure output unit 100 is scalable, for realizing constant force output.
Scalable cover 200 is scalable, and scalable cover 200 includes the first installation port 210, second installation port
220 and the seal chamber 230 for accommodating constant pressure output unit 100.First installation port 210 is connect with external device (ED)；The
Two installation ports 220 are connect with stress device.
First installation port 210 and the second installation port 220 can be the component part of 230 cavity of seal chamber, i.e., by the
One installation port 210 and the second installation 220 seal chamber of port, 230 cavity are connected to outside.When the first installation port 210 and second
When installing the component part that port 220 is 230 cavity of seal chamber, external device (ED), the second installation end are installed in the first installation port 210
Mouth 220 installs stress devices, and external device (ED) blocks the first installation port 210, and stressed member blocks second and installs port 220, quilt
Airtight cavity is collectively formed in the first installation port 210 and the second installation port 220 that block and 230 cavity of seal chamber.Another
In the possible implementation of kind, the first installation port 210 and the second installation port 220 can also be not as the compositions of seal chamber 230
Part, but it is directly installed on the predetermined position of 230 outer wall of seal chamber.
Atmospheric pressure compensated equipment 300 includes shrinkable confined space, and shrinkable confined space is connected to seal chamber 230, close
When the volume of envelope chamber 230 changes, shrinkable confined space is correspondingly expanded and is shunk, to reach maintenance seal chamber
230 stable gas pressure.
During above-mentioned realization, closed, telescopic space is formed inside shrinkable confined space and seal chamber 230,
When carrying out stretching motion, 230 internal volume of seal chamber changes constant pressure output unit 100,230 inner bulk of seal chamber
When product increases, shrinkable confined space expansion；When 230 internal volume of seal chamber reduces, shrinkable confined space is shunk, thus logical
The shrinkage character of shrinkable confined space is crossed, realizes the stable gas pressure inside seal chamber 230, improves constant pressure output unit
100 sealing characteristics.
Fig. 2 is a kind of structural schematic diagram of constant force device shown in the embodiment of the present application.Fig. 3 is constant force device shown in Fig. 2
Top view；Fig. 4 is the A-A of constant force device in Fig. 2 to sectional view.Referring to fig. 2-4, in the present embodiment, scalable cover 200
Using organ cover.External device (ED), such as mechanical arm, manipulator are connected on first installation port 210 of organ cover；The of organ cover
Two installation ports 220 are connect with stressed member, such as the grinding head in grinding device.
As an implementation, mounting plate 400 is installed on the first installation port 210 of scalable cover 200, installs
Plate 400 includes mounting portion 410 and extension 420.Mounting portion 410 is mounted on above the first installation port 210, in the embodiment,
Atmospheric pressure compensated equipment 300 is installed on the top position of mounting portion 410.Correspondingly, communication seals chamber is provided on mounting portion 410
230 and shrinkable confined space the first air flue 411.Extension 420 is provide with far from organ to be set, extension 420 be configured to outside
Part device connection, accordingly, extension 420 is equipped with the flange 421 for connecting with external device (ED).
During above-mentioned realization, the installation site of mounting portion 410 can install port 210 first in mounting plate 400,
Port 220 can also be installed second, but since the second installation port 220 is located at the bottom of scalable cover 200, and constant pressure
The installation needs of the dependency structures such as output unit 100 are supported by relatively-stationary mounting structure, while scalable cover 200
Bottom also needs to connect the stressed member of grinding head etc., therefore second installs port 220 and be not suitable for that mounting portion 410 is arranged.
At the same time, the setting of mounting portion 410 is mended in the first installation port 210 relative to scalable cover 200 and air pressure in the present embodiment
Device 300 is repaid, the position of mounting portion 410 is located at the middle and upper part of constant force device, the rigidity of the entire constant force device made is arranged in this way
It can be more preferable.
In one possible implementation, mounting portion 410 and extension 420 are arranged at angle.
During above-mentioned realization, extension 420 is obliquely installed with respect to mounting portion 410, with extension 420 and mounting portion
With the positional relationship of 180 degree angular region between 410, the inclination of extension 420 can make extension 420 and mounting portion 410 it
Between angular range increase, extension 420 then has more installation reserved spaces.The installation reserved space of extension 420 increases
Greatly, it can more easily be connect with external device (ED).
In one possible implementation, the atmospheric pressure compensated equipment 300 includes cyclic annular support member 310 and the first air bag
320.That side of mounting portion 410 far from seal chamber 230, and the inner ring through-hole of cyclic annular support member 310 is arranged in cyclic annular support member 310
The outlet of 311 the first air flues 411 of covering.First air bag 320 is arranged and banding is in the periphery of cyclic annular 310 middle and upper part of support member.
During above-mentioned realization, the inner ring through-hole 311 of cyclic annular support member 310 covers the outlet of the first air flue 411, purpose
It is to make there is no dew seam between the first air flue 411 and cyclic annular support member 310, the gas flowed through through the first air flue 411 passes through cyclic annular support
The hollow pipeline of part 310 enters in the first air bag 320, and realization seal chamber 230 is connected to the first air bag 320.
As an implementation, atmospheric pressure compensated equipment 300 further includes air bag strut 330.Air bag strut 330 is set to
One air bag, 320 inside is simultaneously fixed on cyclic annular 310 top of support member.Air bag strut 330 is by the inner wall of the first air bag 320 to far from first
Support exhibition in the position of air flue 411.
During above-mentioned realization, air bag strut 330 to the first air bag 320 have styling, the first air bag 320 not
When expansion, it is unlikely to fall organ cover through the first air flue 411 and is formed by seal chamber 230.
In alternatively possible implementation, the length of the first air bag 320 is less than the height of cyclic annular support member 310.
When the first air bag 320 does not expand, the first air bag 320, which has, to be fallen organ cover and is formed by seal chamber 230
Possibility, during above-mentioned realization, the length of the first air bag 320 is less than the height of cyclic annular support member 310, even if the first air bag
320 do not expand and are in the state fallen, and the position that the first air bag 320 falls also is only located at the hollow channel of cyclic annular support member 310
In, the seal chamber 230 that will not be formed to organ cover has an impact.
In one possible implementation, the shape of the shape of inner ring through-hole 311 and area and 411 cross section of the first air flue
Shape is identical with area, and the outlet with the first air flue 411 of inner ring through-hole 311 is aligned setting.
During above-mentioned realization, the outlet of inner ring through-hole 311 and the first air flue 411 is aligned setting, i.e., mounting portion 410 with
The smooth linking of air flue interface between cyclic annular support member 310, when the gas in seal chamber 230 is flowed to the first air bag 320, air-flow is logical
It crosses more clear and more coherent, is not likely to produce noise.
As an implementation, atmospheric pressure compensated equipment 300 further includes protective cover 340.Protective cover 340 is arranged in mounting portion
On 410, and one is enclosed out jointly for accommodating the airbag chamber of cyclic annular support member 310 and the first air bag 320 with mounting portion 410.
During above-mentioned realization, the setting of protective cover 340 is to protect the first air bag 320 not damaged and constant force
The appearance of device.In one possible implementation, the shape of protective cover 340 is hollow cylindrical, the outer diameter of protective cover 340
It is identical as the outer diameter of organ cover.
Further, through-hole is provided on protective cover 340.In one possible implementation, the through-hole on protective cover 340
Including evenly distributed several pore (not shown)s.
During above-mentioned realization, the volume change of seal chamber 230 by the intracavitary air bag expansion of the first air bag 320 and is received
Contracting compensates, and the outer wall of protective cover 340 is provided with several pores and communicates with the outside of constant force device, to compensate the first air bag 320
The influence of expansion and contraction to the residual gas air pressure of airbag chamber inside.
In one possible implementation, mounting portion 410 is equipped with the first connector 430 and the second connector 440.Mounting portion
410 inside are equipped with the duct being connected to the first connector 430 and the second connector 440.Second installation port 220 is equipped with and Force receiver
The stress device gas source connector of part connection.The first tracheae and the second tracheae are equipped with inside scalable cover 200.The connection of first tracheae
First connector 430 and constant pressure output unit 100；The second connector of second tracheae connection 440 and stress device gas source connector.
During above-mentioned realization, the first tracheae and the second tracheae are arranged in seal chamber 230, i.e. the gas source of stress device
The gas source of access gas circuit and constant pressure output unit 100 access gas circuit is arranged in seal chamber 230, the outside of constant force device
Additional grafting gas source pipeline is no longer needed to, so that the constant force device more compact structure being arranged in the present embodiment, runs also more stable.
Fig. 5 is the structural schematic diagram that constant force device shown in Fig. 2 does not install scalable cover.Referring to Fig. 4 and Fig. 5, the implementation
Constant pressure output unit 100 in example includes cylinder mount frame 110, telescopic cylinder 120, linear bearing component 130 and floats
Connector 140.
Cylinder mount frame 110 is securedly mounted on the mounting portion 410 of mounting plate 400.In one possible implementation,
Cylinder mount frame 110 includes more support columns 111 being fixedly connected on mounting portion 410, and is mounted on more support columns 111
The support plate 112 of lower end.
Telescopic cylinder 120 is mounted in the support plate 112 of cylinder mount frame 110.
Linear bearing component 130 is mounted on cylinder mount frame 110.In one possible implementation, linear bearing
Component 130 includes the linear bearing 131 being mounted on cylinder mount frame 110, the guide post 132 with the cooperation of linear bearing 131, guide post
132 relative rectilinear bearings 131 are flexible.Guide post 132 is along the telescopic direction of linear bearing 131 and the shifting of 120 piston rod of telescopic cylinder
Dynamic direction is parallel.
The piston of telescopic cylinder 120 is connect by floating junction 140 with the second installation port 220,131 component of linear bearing
130 guide post 132 is connect by the guide post fixture block 133 being arranged on the second installation port 220 with the second installation port 220.
During above-mentioned realization, the second installation port 220 can generate position under the influence of stress device and move, and second
Installation port 220 is moved up and down along guide post 132, and the piston synchronous of telescopic cylinder 120 is mobile, and the volume of cylinder increases therewith to add deduct
Small, the air pressure in seal chamber 230 also changes therewith.
It should be noted that the structure of constant pressure output unit 100 is only exemplary in the present embodiment, it is all can
Connect with the second installation port 220, and the second installation port 220 generate position it is mobile when and to provide the device that constant force exports equal
It falls into the protection scope of the application.
Fig. 6 is the structure diagram of another constant force device shown in the embodiment of the present application.As shown in fig. 6, in scalable cover
The side wall of first installation port 210 of body is equipped with the second air flue 211 of communication seals chamber 230 and shrinkable confined space, gas
Pressure compensation device 300 is arranged independently of scalable cover 200.Second air flue 211 includes rigid line；Atmospheric pressure compensated equipment 300
Including the second air bag 330, the second air bag 330 is arranged and banding in rigid line extends to the end except seal chamber 230.
From the above technical scheme, the setting of the seal chamber locating for constant pressure output unit and seal chamber in the application
It is connected to and constitutes closed, telescopic space shrinkable confined space with seal chamber, pass through the flexible spy of shrinkable confined space
Property, it realizes the stable gas pressure inside seal chamber, improves the sealing characteristics of constant pressure output unit.
The embodiment of the present application selects 6 constant force devices to carry out constant force output experiment and beat in ceramic body (being commonly called as: green base)
The service life to work in the dust atmosphere (the dust work place extent of injury is II grade) of mill.Wherein, dynamometer is installed on use
At the second installation port being connect with stress device.
Experimental data such as table 1-1:(note: constant force control output 30N)
Table 1-1 constant force output experiment and service using life test result
According to above-mentioned experimental data it is found that the power output of the constant force device in the application is stablized, service life 10000h
(being obtained by accelerated aging test).
According to another aspect of an embodiment of the present invention, a kind of abrasive machining apparatus, including mechanical arm, grinding head are additionally provided
With above-mentioned constant force device.Mechanical arm is fixedly connected with the first installation port in constant force device, grinding head and the second installation end
Mouth is fixedly connected.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (13)
1. a kind of constant force device characterized by comprising
Constant pressure output unit, for realizing constant force output；
Scalable cover, including connect with external device (ED) first installation port, connect with stress device second install port,
And the seal chamber for accommodating the constant pressure output unit；
Atmospheric pressure compensated equipment, including shrinkable confined space, the shrinkable confined space are connected to the seal chamber, are used for
When the volume of the seal chamber changes, the stable gas pressure of the seal chamber is maintained.
2. constant force device according to claim 1, which is characterized in that further include mounting plate, the mounting plate includes installation
Portion and extension；
The mounting portion is mounted on first installation port；Be provided on the mounting portion connection seal chamber and it is described can
Shrink the first air flue of confined space；
The extension is configured with the flange connecting with the external device (ED).
3. constant force device according to claim 2, which is characterized in that the mounting portion and the extension are set at angle
It sets.
4. constant force device according to claim 2, which is characterized in that the atmospheric pressure compensated equipment includes:
That side of the mounting portion far from the seal chamber, and the inner ring through-hole of the cyclic annular support member is arranged in cyclic annular support member
Cover the outlet of first air flue；
First air bag, is arranged and banding is in the periphery of the cyclic annular support member middle and upper part.
5. constant force device according to claim 4, which is characterized in that the atmospheric pressure compensated equipment further include:
Air bag strut is set to first inside air bag and is fixed at the top of the cyclic annular support member, with first gas of being formed
Capsule.
6. constant force device according to claim 4, which is characterized in that the length of first air bag is less than the cyclic annular support
The height of part.
7. constant force device according to claim 4, which is characterized in that the shape and area of the ring-type support member inner ring and institute
The shape for stating the first gas path cross sections is identical with area, and the outlet alignment of the inner ring of the cyclic annular support member and first air flue
Setting.
8. according to the constant force device any in claim 4 to 7, which is characterized in that the atmospheric pressure compensated equipment further include:
Protective cover is arranged on the mounting portion, and encloses out one jointly for accommodating the cyclic annular support with the mounting portion
The airbag chamber of part and first air bag；
Through-hole is provided on the protective cover.
9. constant force device according to claim 2, which is characterized in that the scalable cover is organ cover；
The constant pressure output unit includes cylinder mount frame, telescopic cylinder, linear bearing component and floating junction；
The cylinder mount frame includes more support columns being fixedly connected on mounting portion, and is mounted on more support column lower ends
The support plate in portion；The telescopic cylinder is mounted in the support plate of cylinder mount frame；
The linear bearing component is mounted on the cylinder mount frame；The linear bearing component includes being mounted on cylinder installation
Linear bearing on frame, the guide post with linear bearing cooperation, the relatively described linear bearing of guide post are flexible；Guide post is along the linear axis
The telescopic direction held is parallel with the moving direction of retractable air cylinder piston bar；
The piston of the telescopic cylinder is connect by the floating junction with the second installation port；The guide post passes through described second
The guide post fixture block being arranged on installation port is connect with the second installation port.
10. constant force device according to claim 2, which is characterized in that the mounting portion is equipped with the first connector and second
Connector；
Second installation port is equipped with the stress device gas source connector connecting with the stress device；
The first tracheae and the second tracheae are equipped with inside the scalable cover, the first tracheae is connected to first connector and the perseverance
Constant-pressure output unit；Second tracheae is connected to the second connector and the stress device gas source connector.
11. constant force device according to claim 1, which is characterized in that the side wall of the first installation port is equipped with connection institute
The second air flue of seal chamber and the shrinkable confined space is stated, the atmospheric pressure compensated equipment is set independently of the scalable cover
It sets.
12. constant force device according to claim 11, which is characterized in that second air flue includes rigid line；It is described
Atmospheric pressure compensated equipment includes the second air bag, and second air bag is arranged and banding in the rigid line extends to the seal chamber
Except end.
13. a kind of abrasive machining apparatus, which is characterized in that including mechanical arm, grinding head and such as institute any in claim 1 to 11
The constant force device stated；The mechanical arm is fixedly connected with the first installation port in the constant force device, the grinding head and institute
The second installation port is stated to be fixedly connected.
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| CN201910534166.4A CN110142690B (en) | 2019-06-18 | 2019-06-18 | Constant force device and grinding processing equipment |
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| CN201910534166.4A CN110142690B (en) | 2019-06-18 | 2019-06-18 | Constant force device and grinding processing equipment |
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| CN110142690B CN110142690B (en) | 2024-02-06 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006116989A (en) * | 2004-10-19 | 2006-05-11 | Bridgestone Corp | Air bladder for safety tire, and safety tire |
| CN201348133Y (en) * | 2009-02-06 | 2009-11-18 | 华群 | Constant pressure container |
| CN203348408U (en) * | 2013-06-18 | 2013-12-18 | 青岛阿尔斯通铁路设备有限公司 | Oil damper with compensation airbag |
| JP2014039985A (en) * | 2012-08-23 | 2014-03-06 | Disco Abrasive Syst Ltd | Grinding device |
| CN205247228U (en) * | 2015-12-18 | 2016-05-18 | 天津森罗科技股份有限公司 | Airtight space pressure is from governing system |
| CN105751218A (en) * | 2016-05-05 | 2016-07-13 | 佛山市新鹏机器人技术有限公司 | Constant force device used for tail end of robot and control method for constant force device |
| CN106625129A (en) * | 2017-01-20 | 2017-05-10 | 广东省智能制造研究所 | Constant-pressure polishing system and method |
| CN108167366A (en) * | 2017-12-27 | 2018-06-15 | 广东省智能制造研究所 | Constant force buffer unit |
| CN207742576U (en) * | 2017-12-10 | 2018-08-17 | 山西汾西重工有限责任公司 | Make machinery setting and the regulating mechanism of air pressure constant in closed container |
| CN210139296U (en) * | 2019-06-18 | 2020-03-13 | 肇庆金马领科智能科技有限公司 | Constant force device and grinding processing equipment |
-
2019
- 2019-06-18 CN CN201910534166.4A patent/CN110142690B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006116989A (en) * | 2004-10-19 | 2006-05-11 | Bridgestone Corp | Air bladder for safety tire, and safety tire |
| CN201348133Y (en) * | 2009-02-06 | 2009-11-18 | 华群 | Constant pressure container |
| JP2014039985A (en) * | 2012-08-23 | 2014-03-06 | Disco Abrasive Syst Ltd | Grinding device |
| CN203348408U (en) * | 2013-06-18 | 2013-12-18 | 青岛阿尔斯通铁路设备有限公司 | Oil damper with compensation airbag |
| CN205247228U (en) * | 2015-12-18 | 2016-05-18 | 天津森罗科技股份有限公司 | Airtight space pressure is from governing system |
| CN105751218A (en) * | 2016-05-05 | 2016-07-13 | 佛山市新鹏机器人技术有限公司 | Constant force device used for tail end of robot and control method for constant force device |
| CN106625129A (en) * | 2017-01-20 | 2017-05-10 | 广东省智能制造研究所 | Constant-pressure polishing system and method |
| CN207742576U (en) * | 2017-12-10 | 2018-08-17 | 山西汾西重工有限责任公司 | Make machinery setting and the regulating mechanism of air pressure constant in closed container |
| CN108167366A (en) * | 2017-12-27 | 2018-06-15 | 广东省智能制造研究所 | Constant force buffer unit |
| CN210139296U (en) * | 2019-06-18 | 2020-03-13 | 肇庆金马领科智能科技有限公司 | Constant force device and grinding processing equipment |
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| CN110142690B (en) | 2024-02-06 |
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