CN209477992U - A kind of device based on dry ice Jet Polishing - Google Patents
A kind of device based on dry ice Jet Polishing Download PDFInfo
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- CN209477992U CN209477992U CN201821768685.4U CN201821768685U CN209477992U CN 209477992 U CN209477992 U CN 209477992U CN 201821768685 U CN201821768685 U CN 201821768685U CN 209477992 U CN209477992 U CN 209477992U
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Abstract
The utility model provides a kind of device based on dry ice Jet Polishing, including liquid carbon dioxide storage bottle, liquid delivery tube, pressure and speed regulating system, cryogenic high pressure shut-off valve, nozzle, nozzle connector, nozzle angle adjuster, rotary table, apparatus for adjusting position；The apparatus for adjusting position drive nozzle connector along the x axis, Y direction, Z-direction it is mobile；Polished material is set on the rotary table；The surface polishing for having the dry ice particle jet stream of certain impact power for polished material can be obtained using the technical program.
Description
Technical field
The utility model relates to dry ice particle spraying technique field, in particular to a kind of dresses based on dry ice Jet Polishing
It sets.
Background technique
Traditional dry ice particle spraying technique is by the way of gas injection, this does not only result in dry ice particle and was conveying
Obstruction and collision loss are easy to happen in journey, it is difficult to the supply dry ice particle of continuous uniform, and use gas injecting operations institute
The equipment needed is increasingly complex, needs feed device, pelletizer etc., so that equipment cost is higher.In addition, traditional dry ice blasting
The injection apparatus injection pressure of technology is lower, and impact force is not strong, it is difficult to realize the polishing of material surface to be processed.Therefore one is needed
Kind have can continuous uniform, variable voltage control, dry ice flow shooting and polishing device suitable for processing different materials.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of based on dry ice Jet Polishing
Device, obtain having the dry ice particle jet stream of certain impact power to be used for the surface polishing of polished material.
In order to solve the above-mentioned technical problem, the utility model provides a kind of device based on dry ice Jet Polishing, including
Liquid carbon dioxide storage bottle, liquid delivery tube, pressure and speed regulating system, cryogenic high pressure shut-off valve, nozzle, nozzle connector, spray
Mouth angle demodulator, rotary table, apparatus for adjusting position, the apparatus for adjusting position drive nozzle connector along the x axis,
Y direction, Z-direction are mobile；Polished material is set on the rotary table；
The liquid carbon dioxide storage bottle connects the pressure and speed regulating system, the variable voltage control by liquid delivery tube
System connects the nozzle connector by the liquid delivery tube, and the nozzle connector is detachably connected with nozzle；It is described
The cryogenic high pressure shut-off valve is provided on liquid delivery tube between pressure and speed regulating system and nozzle connector；The nozzle connects
It connects device to connect with the nozzle angle adjuster, for adjusting the setting angle of the nozzle connector；The variable voltage control system
System carries out multi-stage pressure regulating to liquid carbon dioxide, and the dry ice jet stream for keeping self-pressure regulating speed-regulating system spouting is pressed with different outgoing
Power；
In a preferred embodiment；The apparatus for adjusting position includes cross bar, vertical pole and vertical bar；The nozzle connector
It is fixed on the first link block；The link block is provided with the first connecting hole, is passed through by the cross bar being arranged along the x axis described
First connecting hole realizes being slidably connected for first link block and cross bar, realizes first link block in the position of X-direction
Set adjustment；The both ends of the cross bar are connected separately with the second link block, and second link block is provided with the second connecting hole, lead to
It crosses the vertical pole that is arranged along the y axis and passes through second connecting hole and realize being slidably connected for second link block and vertical pole, it is real
Existing second link block is adjusted in the position of Y direction；One end of the vertical pole is respectively connected with third link block, the third
Link block is provided with third connecting hole, passes through the third connecting hole by the vertical bar that is arranged along Z-direction and realizes described the
Three link blocks and vertical bar are slidably connected, and realize that the third link block is adjusted in the position of Z-direction.
In a preferred embodiment；The outlet of the nozzle is cylindrical spray orifice close to one end of polished material；
It is a rotary table that the entrance of the nozzle, which is close to one end of nozzle connector, from nozzle connector to polished material direction rotary table
Section is gradually increased.
In a preferred embodiment；The rotary table includes base station, revolving gear and is provided with circular groove
Work top；The base station is fixedly installed on a pedestal, and the upper and lower ends of the revolving gear are separately connected base station and work
Table top；The revolving gear is driven at the uniform velocity to rotate to be parallel to Z-direction as center axis by driving motor；The work top
On be provided with a vacuum sucking holes, for fixing the polished material.
In a preferred embodiment；The vertical bar is fixedly installed on the pedestal by fang bolt.
Compared to the prior art, the technical solution of the utility model have it is following the utility model has the advantages that
1. the utility model is provided with pressure and speed regulating system in whole device, not only may be implemented in dry ice jet process
Injection pressure and speed control, and can use dry ice throttling expansion principle obtain have certain impact power and partial size
Dry ice particle jet stream.
2. in entirely work translating device, the translation and Z-direction in X, Y, Z axis direction is may be implemented in the utility model
Revolution, allows dry ice jet stream completely and uniformly to polish material surface to be processed.
3. the nozzle that the utility model uses is connected through a screw thread with nozzle connector, so either for polishing
Different materials surface or nozzle receive abrasion in prolonged process, can timely be replaced.
It, can be to avoid since dry ice particle be in high speed 4. its periphery of nozzle that the utility model uses is a kind of truncated conical shape
Damage of the line splashed back after the polished material surface of impinging jet to devices other after nozzle.
5. the utility model does not need the polishing for treating rapidoprint surface with water or can be realized with a small amount of water, show
The discharge rate for reducing waste water and waste write, reaches saving water resource, reduces the purpose of environmental pollution.
6. the utility model forms dry ice particle jet stream using throttling expansion principle, can be to avoid conventional dry ice spraying technique
In dry ice particle during transportation blocking and its collision loss, reduce the abrasion of nozzle, also do not need traditional dry ice
Additional feed device and mixing chamber, substantially reduce cost in spraying technique.
7. the utility model carries out jet stream processing as abrasive material using dry ice particle, it can not only pass through pressure and speed regulating system
Injection pressure is adjusted, can also be by the displacement of adjusting Z-direction, the material surface obtained after being suitble to Dry ice cleaning to polish can
To realize that self-cleaning acts on, cleaning link after removing traditional processing reduces the waste of water resource.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the device based on dry ice Jet Polishing in the preferred embodiment in the utility model；
Fig. 2 is the nozzle arrangements section signal of the device based on dry ice Jet Polishing in the preferred embodiment in the utility model
Figure.
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
A kind of device based on dry ice Jet Polishing, with reference to Fig. 1, including liquid carbon dioxide storage bottle 1, liquid delivery tube
4, pressure and speed regulating system 2, cryogenic high pressure shut-off valve 3, nozzle 10, nozzle connector 9, nozzle angle adjuster 8, rotary work
Platform, apparatus for adjusting position；The apparatus for adjusting position drive nozzle connector 9 along the x axis, Y direction, Z-direction it is mobile；
Polished material is set on the rotary table.
The connection relationship of each element are as follows: the liquid carbon dioxide storage bottle 1 leads to liquid delivery tube 4 and connects the pressure regulation
Speed-regulating system 2, the pressure and speed regulating system 2 connect the nozzle connector 9 by the liquid delivery tube 4, and the nozzle connects
It connects device 9 to be detachably connected with nozzle 10, in the present embodiment, the nozzle 10 is connected through a screw thread with nozzle connector 9；In this way
Either abrasion is received for polishing different materials surface or nozzle 10 in prolonged process, can obtained
To timely replacing.
The cryogenic high pressure is provided on liquid delivery tube 4 between the pressure and speed regulating system 2 and nozzle connector 9 to cut
Only valve 3；The nozzle connector 9 is connect with the nozzle angle adjuster 8, for adjusting the setting of the nozzle connector 9
Angle；The pressure and speed regulating system 2 carries out multi-stage pressure regulating to liquid carbon dioxide, keeps self-pressure regulating speed-regulating system 2 spouting
Dry ice jet stream has different injection pressures out.The utility model is provided with pressure and speed regulating system 2 in whole device, not only can be real
The control of injection pressure and speed in existing dry ice jet process, and the throttling expansion principle that can use dry ice is had
The dry ice particle jet stream of certain impact power and partial size.
In order to be adjusted to the position of the nozzle 10 in three different directions to adapt to different polishing materials；Institute
Stating apparatus for adjusting position includes cross bar 6, vertical pole 5,16 and vertical bar 17；The nozzle connector 9 is fixed on the first link block 7；
The link block is provided with the first connecting hole, is passed through described in first connecting hole realization by the cross bar 6 being arranged along the x axis
First link block 7 is slidably connected with cross bar 6, realizes that first link block 7 is adjusted in the position of X-direction；The cross bar 6
Both ends be connected separately with the second link block, second link block is provided with the second connecting hole, by being arranged along the y axis
Vertical pole 5,16 pass through second connecting hole and realize being slidably connected for second link block and vertical pole 5,16, realization described the
Two link blocks are adjusted in the position of Y direction；One end of the vertical pole 5,16 is respectively connected with third link block, the third connection
Block is provided with third connecting hole, passes through the third connecting hole by the vertical bar 17 being arranged along Z-direction and realizes the third
Link block is slidably connected with vertical bar 17, realizes that the third link block is adjusted in the position of Z-direction；In entire work translation
In device, the translation in X, Y, Z axis direction and the revolution of Z-direction may be implemented, allow dry ice jet stream complete and uniform
Polishing material surface to be processed.
In order to avoid hitting the line pair splashed back after polished material surface in high-speed jet due to dry ice particle
The damage of other devices after nozzle 10；The outlet of the nozzle 10 with reference to described in Fig. 2 is cylinder close to one end of polished material
Shape spray orifice；It is a rotary table that the entrance of the nozzle 10, which is close to one end of nozzle connector 9, from nozzle connector 9 to polished
Material direction rotary table section is gradually increased.
Specifically, the rotary table includes base station 14, revolving gear 15 and the workbench for being provided with circular groove
Face 12；The base station 14 is fixedly installed on a pedestal 13, the upper and lower ends of the revolving gear 15 be separately connected base station 14 and
Work top 12；The revolving gear 15 is driven at the uniform velocity to rotate to be parallel to Z-direction as center axis by driving motor；It is described
A vacuum sucking holes 11 are provided on work top 12, for fixing the polished material.The vertical bar 17 passes through fang bolt
18 are fixedly installed on the pedestal 13.
Using device provided by the utility model implement dry ice Jet Polishing hard brittle material method the following steps are included:
Step 1: polished hard brittle material is clamped on rotary table, and is changed the outfit suitable for polished hard
The nozzle 10 of fragile material；The polished hard brittle material be after tentatively polishing with certain finish stone material,
Ceramics, glass, semiconductor material, any one in photoelectric material.The nozzle 10 is according to polished hard brittle material kind
The difference of class replaces the nozzle 10 of different model specification and material.
Nozzle 10: being directed at polished hard brittle material surface by step 2, adjusts the outlet middle point phase of nozzle 10
For the height between polished hard brittle material surface, then 10 angular connector of nozzle is adjusted to adjust the axis of nozzle 10
Line is relative to the jet angle between polished hard brittle material surface, and the Jet Polishing process time that adjustment is certain；Root
Corresponding jet pressure is adjusted according to the mechanical characteristic of polished hard brittle material；Especially by the polished hard brittle material measured
Power needed for spike layer removal at low temperature, to determine the size of the jet pressure.
Step 3: opening cryogenic high pressure shut-off valve 3, dry ice particle jet stream is formed, so that polished material surface spike layer
Sharply freezing embrittlement generates the cross shear for the microburst generation that impact force and dry ice sublimation generate by high-speed jet come real
The removal of existing spike layer, obtains polished surface.Liquid carbon dioxide allows carbon dioxide gas height by the pressure and speed regulating system 2
Speed is by nozzle 10, the dry ice particle generated under conditions of insulation and not externally acting using throttling expansion principle, institute
Stating dry ice particle size is 1 μm to 100 μm, and exit velocities are greater than 340m/s.
Specifically, dry ice Jet Polishing principle is using pressure and speed regulating system 2 by initial pressure is 5MPa or so two
Carbonoxide is adjusted under suitable jet velocity and injection pressure, is then ejected by 10 high speed of nozzle, in expansion process
A part of carbon dioxide absorption amount of heat, another part carbon dioxide are cooled to freezing point, form dry ice particle jet stream, impact
To polished hard brittle material surface.Due in impact process by dry ice particle at -78.5 DEG C gasification distillation absorb it is a large amount of
The influence of heat and generate thermal shock phenomenon, resulting in its mechanical property is changed, i.e., polished material surface spike
Layer generates embrittlement, and polishing process is enabled to be more easier to carry out to improve processing efficiency.
Specifically, the impact force is that dry ice high-speed jet is collided polished hard brittle material surface and generated,
It is the major way for realizing material removal in polishing process.But since dry ice Mohs' hardness (2-3) is lower, processed
The dry ice of journey high speed jet stream acts on polished material surface and generates accumulation of pressure and form rolling friction process, so as to
The material surface spike layer of polishing occurs to plough plough and micro-cutting obtains the preferable processing effect of finish.Simultaneously as impacting
The broken then gasification distillation in a very short period of time of moment dry ice, nearly 800 times of volume expansion of dry ice during this, so that dry
Ice generates microburst effect in shock point.The microburst of dry ice can generate biggish lateral shear active force, make table to be processed
The roughness in face further decreases while sweeps away chip rapidly with air-flow, has achieved the purpose that polishing and self-cleaning.
The utility model does not need the polishing that rapidoprint surface is treated with water or can be realized with a small amount of water, significantly
The discharge rate for reducing waste water and waste, reach saving water resource, reduce the purpose of environmental pollution.The utility model is using section
It flows dilating principle and forms dry ice particle jet stream, it can be to avoid the dry ice particle in conventional dry ice spraying technique during transportation
The loss of blocking and its collision reduces the abrasion of nozzle 10, does not also need feed device additional in traditional dry ice spraying technique
And mixing chamber, substantially reduce cost.The utility model carries out jet stream processing as abrasive material using dry ice particle, can not only lead to
It crosses pressure and speed regulating system 2 and adjusts injection pressure, can also obtain and Dry ice cleaning is suitble to throw by the displacement of adjusting Z-direction
Self-cleaning effect may be implemented in material surface after light, and the cleaning link after removing traditional processing reduces the waste of water resource.
The preferable specific embodiment of the above, only the utility model, but the design concept of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, utilizes this design
The change that unsubstantiality is carried out to the utility model belongs to the behavior for invading scope of protection of the utility model.
Claims (5)
1. a kind of device based on dry ice Jet Polishing, it is characterised in that including liquid carbon dioxide storage bottle, liquid delivery tube,
Pressure and speed regulating system, cryogenic high pressure shut-off valve, nozzle, nozzle connector, nozzle angle adjuster, rotary table, position tune
Regulating device；The apparatus for adjusting position drive nozzle connector along the x axis, Y direction, Z-direction it is mobile；Polished material
It is set on the rotary table；
The liquid carbon dioxide storage bottle connects the pressure and speed regulating system, the pressure and speed regulating system by liquid delivery tube
The nozzle connector is connected by the liquid delivery tube, the nozzle connector is detachably connected with nozzle；The pressure regulation
The cryogenic high pressure shut-off valve is provided on liquid delivery tube between speed-regulating system and nozzle connector；The nozzle connector
It is connect with the nozzle angle adjuster, for adjusting the setting angle of the nozzle connector；The pressure and speed regulating system pair
Liquid carbon dioxide carries out multi-stage pressure regulating, and the dry ice jet stream for keeping self-pressure regulating speed-regulating system spouting has different injection pressures out.
2. the device according to claim 1 based on dry ice Jet Polishing, it is characterised in that: the apparatus for adjusting position packet
Include cross bar, vertical pole and vertical bar；The nozzle connector is fixed on the first link block；The link block is provided with the first connection
Hole passes through first connecting hole by the cross bar being arranged along the x axis and realizes that the sliding of first link block and cross bar connects
It connects, realizes that first link block is adjusted in the position of X-direction；The both ends of the cross bar are connected separately with the second link block,
Second link block is provided with the second connecting hole, and it is real to pass through second connecting hole by the vertical pole being arranged along the y axis
Being slidably connected for existing second link block and vertical pole, realizes that second link block is adjusted in the position of Y direction；It is described vertical
One end of bar is respectively connected with third link block, and the third link block is provided with third connecting hole, by being arranged along Z-direction
Vertical bar pass through the third connecting hole and realize being slidably connected for the third link block and vertical bar, realize the third link block
It is adjusted in the position of Z-direction.
3. the device according to claim 2 based on dry ice Jet Polishing, it is characterised in that；The outlet of the nozzle is leaned on
One end of nearly polished material is cylindrical spray orifice；It is a rotary table that the entrance of the nozzle, which is close to one end of nozzle connector,
It is gradually increased from nozzle connector to polished material direction rotary table section.
4. the device according to claim 2 based on dry ice Jet Polishing, it is characterised in that；The rotary table includes
Base station, revolving gear and the work top for being provided with circular groove；The base station is fixedly installed on a pedestal, the convolution
The upper and lower ends of device are separately connected base station and work top；Drive the revolving gear to be parallel to Z axis by driving motor
Direction is that center axis at the uniform velocity rotates；A vacuum sucking holes are provided on the work top, for fixing the polished material.
5. the device according to claim 4 based on dry ice Jet Polishing, which is characterized in that the vertical bar passes through lower margin spiral shell
Silk is fixedly installed on the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768685.4U CN209477992U (en) | 2018-10-30 | 2018-10-30 | A kind of device based on dry ice Jet Polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768685.4U CN209477992U (en) | 2018-10-30 | 2018-10-30 | A kind of device based on dry ice Jet Polishing |
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| CN209477992U true CN209477992U (en) | 2019-10-11 |
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| CN201821768685.4U Active CN209477992U (en) | 2018-10-30 | 2018-10-30 | A kind of device based on dry ice Jet Polishing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333368A (en) * | 2018-10-30 | 2019-02-15 | 华侨大学 | A kind of device based on dry ice Jet Polishing |
| CN110744148A (en) * | 2019-11-18 | 2020-02-04 | 洪新阳 | Gear polishing equipment that polishing precision is high |
-
2018
- 2018-10-30 CN CN201821768685.4U patent/CN209477992U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333368A (en) * | 2018-10-30 | 2019-02-15 | 华侨大学 | A kind of device based on dry ice Jet Polishing |
| CN110744148A (en) * | 2019-11-18 | 2020-02-04 | 洪新阳 | Gear polishing equipment that polishing precision is high |
| CN110744148B (en) * | 2019-11-18 | 2021-01-19 | 浙江丰安齿轮股份有限公司 | Gear polishing equipment that polishing precision is high |
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