CN208467987U - A kind of hand-held 3D printing body surface sanding and polishing device - Google Patents
A kind of hand-held 3D printing body surface sanding and polishing device Download PDFInfo
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- CN208467987U CN208467987U CN201820433885.8U CN201820433885U CN208467987U CN 208467987 U CN208467987 U CN 208467987U CN 201820433885 U CN201820433885 U CN 201820433885U CN 208467987 U CN208467987 U CN 208467987U
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Abstract
The utility model discloses a kind of hand-held 3D printing body surface sanding and polishing devices, the sanding and polishing device includes the steam hose that at least one gentle source drive device is connected, steam hose is connected with the tail portion of grinding device, grinding device is internally provided with cavity, motor mount is provided in cavity, driving motor is installed in the cavity of motor mount, the processing handle being connected through a screw thread with motor mount, the front end of processing handle is provided with mounting base, mounting base is connected with bistrique, and the front end of bistrique is provided with circular cone grinding head；Atomizing mouth is arranged in the front end of mounting base.The utility model has the advantages that the high-frequency vibration that the motor of grinding device generates during use, buffers by the ill-mannered mixolimnion of gas-liquid, so that grinding device is very steady when using, reduces vibrating fatigue and generate, to improve usage comfort.
Description
Technical field
The utility model relates to 3D printing body surface processing unit processing equipment fields, more specifically, it relates to one
The hand-held 3D printing body surface sanding and polishing device of kind.
Background technique
The working principle of fusion sediment quick shaping process (FDM) is will to be pumped into Filamentous heat-fusible materials ABS, PLA
It is sent into hot melt spray head by wire feeder, thawing is heated in spray head, spray head is moved along part section profile and filling track,
The material of half flow regime is squeezed out to by the path that CAD individual-layer data controls and is deposited on specified position solidification forming simultaneously,
And it is bonded with the material of surrounding, layer upon layer molding.FDM technological forming precision is lower, and current full accuracy is about
0.1mm.Product surface after deposition modeling has apparent Filamentous texture, and layer to layer transition is stiff, and appearance is relatively rough, and the later period is often
It also needs to carry out the processing such as manual grinding, oil spout, silk-screen, plating using special equipment, aftertreatment technology is complex.
Traditional process equipment takes mill straight using polishing, and process equipment is simple and crude, can not remove dust, not heat
Device, grinding device do not have shock absorption buffering mechanism, since the high speed rotation of polishing motor generates high-frequency vibration, so that operator
Hand, which holds use for a long time, can generate vibrating fatigue, be unable to satisfy existing production requirement, cause processing efficiency low, precision can not
Reach criterion of acceptability requirement.
Utility model content
The utility model is directed to the deficiency of existing product, and provides a kind of hand-held 3D printing body surface sanding and polishing dress
It sets, there is no atomization dust-collecting equipment for solving traditional 3D printing body surface grinding device, workpiece is all dry grinding processing, and surface is thick
Rough and long-time, which holds grinding device, can generate vibrating fatigue, be unable to satisfy requirement on machining accuracy.
A kind of hand-held 3D printing body surface sanding and polishing device of the utility model, the sanding and polishing device include extremely
The steam hose that a few gentle source drive device is connected, steam hose are connected with the tail portion of grinding device, grinding device
It is internally provided with cavity, motor mount is provided in cavity, driving motor and motor are installed in the cavity of motor mount
The processing handle that mounting base is connected through a screw thread, the front end for processing handle are provided with mounting base, and mounting base is connected with bistrique, bistrique
Front end be provided with circular cone grinding head；Atomizing mouth is arranged in the front end of mounting base；
The gas source driving device includes water tank, air source box, control panel, shell, blower, electrical heating net, wind-guiding case
Body；The front side surface of the shell is provided with control panel, and the right side of the shell is provided with side plate, the inside setting of shell
There are a water tank and an air source box independent；
The air source box is internally provided with a cavity, and position is provided with partition among cavity, in the cavity on the right of partition
Blower is installed, filter screen is installed at the blower air intake vent, fan outlet goes out to be equipped with electrical heating net, electrical heating net
It is mounted at wind-guiding tank inlet, the upper end of wind-guiding cabinet is provided with hot-air mouth, and hot-air mouth is connected with steam hose；The shell
Lower section be provided with water inlet pipe, the spiral inside for being wound on electrical heating net of the water inlet pipe, the outlet of water inlet pipe passes through water outlet
Mouth is connected with steam hose；The gas-liquid mixed channel of steam hose and grinding device enclosure interior communicates, gas-liquid mixed channel
Front end and atomizing mouth communicate；Manual switch control gas-liquid mixed channel is provided on the gas-liquid mixed channel to open and be closed,
A return pipe is additionally provided in the mounting base, return pipe and water tank communicate.
Further, the bistrique is the cylindrical grinding head of diameter 5-8CM, and the length of the circular cone grinding head is that diameter is
4cm, bottom radius are the pyramid type structure of 2cm.
Further, the steam hose includes outer tube, inner tube, spirally-guided muscle, water stream channel, air duct；Institute
The inside that inner pipe sleeve is mounted in outer tube is stated, spirally-guided muscle is provided between outer tube and inner tube, the inside of inner tube is
Air duct, the space pipeline formed between outer tube and inner tube are water stream channel.
Further, the water tank water outlet is provided with pressure pump, and the outlet of water pump is connected with water inlet pipe, water inlet pipe
It is connected by mixing valve block with steam hose.
Further, the mixing valve block includes inlet channel, inlet chamber, taper top, taper top spring, pressure control
Bar, level pressure seating spring, water chamber, level pressure movable valve seat, intake antrum；
The upper end of the intake antrum is equipped with level pressure movable valve seat, and the intermediate position of level pressure movable valve seat is provided with hole A, hole
The upper end of A is connected with level pressure movable valve seat spring, and intake antrum through hole A and hole D are communicated, and hole D and backwater channel communicate；Return water is logical
Road is connected with return pipe and water tank, level pressure movable valve seat intake antrum and water chamber isolation, level pressure movable valve seat at bottom
At the top, intake antrum and water chamber are communicated；
The upper end of the inlet channel and inlet chamber communicate, and the front end of inlet chamber is provided with hole B, the front end of hole B and taper
Top is cooperatively connected, and taper top comes directly towards spring by taper and connects with pressure control rod, and hole B and hole C is isolated for taper top,
Hole C and air duct communicate.
Further, the atomizing mouth includes that an inner wall is provided with the atomizing mouth shell of conical cavity, a setting exists
Helicla flute on atomizing mouth shell conical cavity inner wall, one be mounted on the guide pad of conical cavity front end and be mounted on and lead
To the outlet nozzle of the front end of block；The guide pad, which is close on the side of conical cavity, is arranged evenly arranged hemispheric guiding
Groove, guide pad and conical cavity inner wall are provided with gasification through-hole.
The beneficial effects of the utility model are:
1, structurally reasonable, overall structure uses bistrique for the cylindrical grinding head of diameter 5CM, meets conventional machining requirement,
The circular cone grinding head can process interior grooves edge, convenient and efficient, and the grinding head of no replacement is required minor diameter, reduction is constructed into
This, improves processing efficiency.
2, heating device is set, and hot wind by blower is discharged into ventilation after heating air-flow by electrical heating net by heating device
Hose can heat during processing, improve work comfort degree, and filter screen can improve sky simultaneously during heating
Makings amount.
3, blower as air flow power while play atomized water power source, water flow and air-flow in grinding device shell
The interior mixing in the channel in portion, so that water lubrication agent obtains adequately uniformly being sprayed at 3D printing body surface, to improve 3D
The grinding accuracy on printing objects surface.
4, the ill-mannered mixolimnion that the water stream S stream of compressed air in grinding device channel is formed, grinding device is in the mistake used
The high speed rotation of polishing motor generates high-frequency vibration in journey, by the buffering of ill-mannered mixolimnion, so that grinding device is non-when using
Chang Pingwen reduces vibrating fatigue and generates, to improve the usage comfort of operator.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 uses schematic cross-sectional view for the utility model.
Fig. 3 is the structural schematic diagram of the grinding device of the utility model.
Fig. 4 is the cross-sectional view of the grinding device of the utility model.
Fig. 5 is the structural schematic diagram of the atomizing mouth of the utility model.
Fig. 6 is the cross-sectional view of the atomizing mouth of the utility model.
Fig. 7 is the cross-sectional view of the steam hose of the utility model.
Fig. 8 is the structural schematic diagram of the mixing valve block of the utility model.
In figure: water tank 111, air source box 112, control panel 113, side plate 114, shell 11, blower 12, hot-air mouth 13,
Filter screen 14, electrical heating net 15, wind-guiding cabinet 16, water inlet pipe 17, partition 18, water outlet 19, return pipe 211, grinding device 2,
Motor mount 21, processing handle 22, mounting base 23, bistrique 24, atomizing mouth 25, circular cone grinding head 26, steam hose 27, manual control
Switch 28, mixing valve block 29, outer tube 271, inner tube 272, spirally-guided muscle 273, water stream channel 274, air duct 275,
Atomizing mouth shell 30, helicla flute 31, outlet nozzle 32, guide pad 33, gasification through-hole 34, inlet channel 291, inlet chamber 292, taper
Top 293, taper come directly towards spring 294, pressure control rod 295, level pressure seating spring 296, water chamber 297, level pressure movable valve seat
298, intake antrum 299.
Specific embodiment
Below with reference to embodiment, the utility model will be further described.
There is Fig. 1, shown in 2, a kind of hand-held 3D printing body surface sanding and polishing device, the sanding and polishing device includes extremely
The steam hose 27 that a few gentle source drive device is connected, steam hose 27 are connected with the tail portion of grinding device 2, polishing dress
2 cavity that is internally provided with is set, motor mount 21 is provided in cavity, driving electricity is installed in the cavity of motor mount 21
The front end of the processing handle 22 that machine and motor mount 21 are connected through a screw thread, processing handle 22 is provided with mounting base 23, installs
Seat 23 and bistrique 24 connect, and the front end of bistrique 24 is provided with circular cone grinding head 26；Atomizing mouth 25 is arranged in the front end of mounting base 23；
The gas source driving device includes water tank 111, air source box 112, control panel 113, shell 11, blower 12, electricity
Heating net 15, wind-guiding cabinet 16；The front side surface of the shell 11 is provided with control panel 113, the right side of the shell 11
It is provided with side plate 114, shell 11 is internally provided with a water tank 111 and an air source box 112 independent；
The air source box 112 is internally provided with a cavity, and position is provided with partition 18 among cavity, 18 the right of partition
Blower 12 is installed in cavity, filter screen 14 is installed at 12 air intake vent of blower, 12 air outlet of blower goes out to be equipped with electricity and adds
Heat supply network 15, electrical heating net 15 are mounted on 16 inlet of wind-guiding cabinet, and the upper end of wind-guiding cabinet 16 is provided with hot-air mouth 13, hot wind
Mouth 13 and steam hose 27 connect；The lower section of the shell 11 is provided with water inlet pipe 17, and the water inlet pipe 17 is spiral to be wound on
The outlet of the inside of electrical heating net 15, water inlet pipe 17 is connected by water outlet 19 and steam hose 27；Steam hose 27 and polishing
The gas-liquid mixed channel of the enclosure interior of device 2 communicates, and the front end in gas-liquid mixed channel and atomizing mouth 25 communicate；The gas-liquid is mixed
It closes and is provided with the control of manual switch 28 gas-liquid mixed channel unlatching and closure on channel, be additionally provided with one in the mounting base 23
Return pipe 211, return pipe 211 and water tank 111 communicate.In the channel structure design and grinding device shell of steam hose 27
The channel in portion communicates, and the front end in channel and atomizing mouth 25 communicate, after the water stream S stream of compressed air mixing in grinding device channel
The ill-mannered mixolimnion formed, the vibration that grinding device generates during use are buffered by ill-mannered mixolimnion, so that polishing
Device is very steady when using, and reduces vibrating fatigue and generates, to improve usage comfort.
The bistrique 24 is the cylindrical grinding head of diameter 5-8CM, and the length of the circular cone grinding head 26 is that diameter is
4cm, bottom radius are the pyramid type structure of 2cm.The interior grooves edge that circular cone grinding head 26 can be processed, convenient and efficient, nothing
Need to change the grinding head of minor diameter.
As shown in fig. 7, the steam hose 27 is logical including outer tube 271, inner tube 272, spirally-guided muscle 273, water flow
Road 274, air duct 275；The inner tube 272 is sleeved on the inside of outer tube 271, between outer tube 271 and inner tube 272
It is provided with spirally-guided muscle 273, the inside of inner tube 272 is air duct 275, is formed between outer tube 271 and inner tube 272
Space pipeline be water stream channel 274.The channel structure of steam hose 27 design so that hose in use it is stable not
It can be shaken because of the variation of air pressure, improve the intensity of hose, enhance the vertical intensity of hose, hose is avoided laterally to fracture,
The service life of hose is improved, while water flow can be become mixed flow state by spirally-guided muscle 273 in water stream channel 274, reduced
The resistance of fluid.
111 water outlet of water tank is provided with pressure pump, and the outlet of water pump and water inlet pipe 17 connect, water inlet pipe 17
It is connected by mixing valve block 29 and steam hose 27.
As shown in figure 8, the mixing valve block 29 includes inlet channel 291, inlet chamber 292, taper top 293, taper top
Head spring 294, pressure control rod 295, level pressure seating spring 296, water chamber 297, level pressure movable valve seat 298, intake antrum 299；
The upper end of the intake antrum 299 is equipped with level pressure movable valve seat 298, and the intermediate position of level pressure movable valve seat 298 is set
It is equipped with hole A, the upper end of hole A is connected with level pressure movable valve seat spring, and intake antrum 299 through hole A and hole D is communicated, and hole D and return water are logical
Road communicates；Backwater channel and the connection of return pipe 211 and water tank 111, the intake antrum 299 at bottom of level pressure movable valve seat 298
It is isolated with water chamber 297, level pressure movable valve seat 298 intake antrum 299 and water chamber 297 at the top communicate；
The upper end of the inlet channel 291 and inlet chamber 292 communicate, and the front end of inlet chamber 292 is provided with hole B, before the B of hole
End and taper top 293 are cooperatively connected, and taper top 293 comes directly towards spring 294 by taper and pressure control rod 295 connects, cone
Hole B and hole C is isolated for shape top 293, and hole C and air duct 275 communicate.
The atomizing mouth 25 is being atomized including 30, settings of atomizing mouth shell that an inner wall is provided with conical cavity
Helicla flute 31, one on 30 conical cavity inner wall of mouth shell are mounted on the guide pad 33 of conical cavity front end and are mounted on
The outlet nozzle 32 of the front end of guide pad 33；The guide pad 33, which is close on the side of conical cavity, is arranged evenly arranged hemisphere
The guiding groove of shape, guide pad 33 and conical cavity inner wall are provided with gasification through-hole 34.As shown in Figure 4,5, steam hose 27
It is communicated with the channel of grinding device enclosure interior, the front end in channel and atomizing mouth 25 communicate, and water flow and air-flow are in grinding device shell
The interior mixing in the channel in internal portion, is pressed into the conical cavity of atomizing mouth 25, flowing water impacts the hemisphere of guide pad 33
On the guiding groove of shape, rotated by direction along the helicla flute 31 on 30 conical cavity inner wall of atomizing mouth shell, so that
Water flow becomes mixed flow state, to prevent to fill in the formation in the vapour lock area of 25 front end of atomizing mouth using a small amount of lubricant
That divides is uniformly sprayed at 3D printing body surface, to improve the grinding accuracy of 3D printing body surface.
In use, the blower 12 of gas source driving device works, and by air-flow out of, 14 suction casing 11 of filter screen cavity, wind
Air-flow indentation electrical heating net 15 is entered wind-guiding cabinet 16 by machine 12, and the secondary water conservancy diversion of air-flow is again passed by electric heating by wind-guiding cabinet 16
Net 15, the air-flow after reheating is entered by hot-air mouth 13 in the inlet channel 291 of mixing valve block 29, then arrives air inlet
Chamber 292 opens 293 through hole C of taper top and enters air after the pressure value that air pressure reaches that taper top spring 294 is set
Channel 275, air duct 275 are connected with the air duct in steam hose 27；
111 water outlet of water tank is provided with pressure pump, and the outlet of water pump and water inlet pipe 17 connect, water inlet pipe 17 and mixed
The intake antrum 299 for closing valve block 29 connects, and after the setup pressure value that hydraulic pressure reaches level pressure movable valve seat 298, opens pressure moving valve
Seat 298, into water chamber 297, the water stream channel 274 of water chamber 297 and steam hose 27 is connected, water inlet pipe 17 it is spiral around
In the inside of electrical heating net 15, steam hose 27 is connected with the pigtail connection of grinding device 2；
The channel structure design of steam hose 27 and the gas-liquid mixed channel of 2 enclosure interior of grinding device communicate, channel
Front end and atomizing mouth 25 communicate, formed after the mixing of water stream S stream of compressed air in the gas-liquid mixed channel of grinding device 2
Ill-mannered mixolimnion, the high-frequency vibration that the motor of grinding device generates during use are buffered by the ill-mannered mixolimnion of gas-liquid,
So that grinding device is very steady when using, reduces vibrating fatigue and generate, to improve usage comfort.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of hand-held 3D printing body surface sanding and polishing device, characterized in that the sanding and polishing device includes at least one
The steam hose (27) that a gentle source drive device is connected, steam hose (27) are connected with the tail portion of grinding device (2), polishing
Device (2) is internally provided with cavity, is provided in cavity motor mount (21), installation in the cavity of motor mount (21)
The processing handle (22) for thering is driving motor and motor mount (21) to be connected through a screw thread, the front end setting of processing handle (22)
Have mounting base (23), mounting base (23) and bistrique (24) connection, the front end of bistrique (24) is provided with circular cone grinding head (26)；Installation
Atomizing mouth (25) are arranged in the front end of seat (23)；
The gas source driving device includes water tank (111), air source box (112), control panel (113), shell (11), blower
(12), electrical heating net (15), wind-guiding cabinet (16)；The front side surface of the shell (11) is provided with control panel (113), described
The right side of shell (11) is provided with side plate (114), and shell (11) is internally provided with a water tank (111) independent
With an air source box (112)；
The air source box (112) is internally provided with a cavity, and position is provided with partition (18) among cavity, on the right of partition (18)
Cavity in be equipped with blower (12), be equipped with filter screen (14) at blower (12) air intake vent, blower (12) air outlet goes out
It is equipped with electrical heating net (15), electrical heating net (15) is mounted on wind-guiding cabinet (16) inlet, the upper end of wind-guiding cabinet (16)
It is provided with hot-air mouth (13), hot-air mouth (13) and steam hose (27) connection；Water inlet pipe is provided with below the shell (11)
(17), the spiral inside for being wound on electrical heating net (15) of water inlet pipe (17), the outlet of water inlet pipe (17) passes through water outlet
(19) it is connected with steam hose (27)；The gas-liquid mixed channel of steam hose (27) and grinding device (2) enclosure interior communicates, gas
The front end of liquid hybrid channel and atomizing mouth (25) communicate；Manual switch (28) control gas-liquid is provided on the gas-liquid mixed channel
Hybrid channel is opened and closure, is additionally provided with a return pipe (211), return pipe (211) and water storage on the mounting base (23)
Case (111) communicates.
2. a kind of hand-held 3D printing body surface sanding and polishing device according to claim 1, characterized in that the bistrique
(24) the cylindrical grinding head for being diameter 5-8CM, it is 4cm that the length of the circular cone grinding head (26), which is diameter, and bottom radius is
The pyramid type structure of 2cm.
3. a kind of hand-held 3D printing body surface sanding and polishing device according to claim 1, characterized in that the ventilation
Hose (27) includes outer tube (271), inner tube (272), spirally-guided muscle (273), water stream channel (274), air duct
(275)；The inner tube (272) is sleeved on the inside of outer tube (271), is arranged between outer tube (271) and inner tube (272)
Have spirally-guided muscle (273), the inside of inner tube (272) is air duct (275), outer tube (271) and inner tube (272) it
Between the space pipeline that is formed be water stream channel (274).
4. a kind of hand-held 3D printing body surface sanding and polishing device according to claim 1, characterized in that the water storage
Case (111) water outlet is provided with pressure pump, and the outlet of water pump and water inlet pipe (17) connection, water inlet pipe (17) pass through mixing valve
Block (29) and steam hose (27) connection.
5. a kind of hand-held 3D printing body surface sanding and polishing device according to claim 4, characterized in that the mixing
Valve block (29) includes inlet channel (291), inlet chamber (292), taper top (293), taper top spring (294), pressure control
Bar (295) processed, level pressure seating spring (296), water chamber (297), level pressure movable valve seat (298), intake antrum (299)；
The upper end of the intake antrum (299) is equipped with level pressure movable valve seat (298), the intermediate position of level pressure movable valve seat (298)
Be provided with hole A, the upper end of hole A is connected with level pressure movable valve seat spring, and intake antrum (299) through hole A and hole D are communicated, hole D and return
Aquaporin communicates；Backwater channel and the connection of return pipe (211) and water tank (111), level pressure movable valve seat (298) is at bottom
Intake antrum (299) and water chamber (297) isolation, level pressure movable valve seat (298) intake antrum (299) and water chamber at the top
(297) it communicates；
The upper end of the inlet channel (291) and inlet chamber (292) communicate, and the front end of inlet chamber (292) is provided with hole B, hole B's
Front end and taper top (293) are cooperatively connected, and taper comes directly towards (293) and passes through taper top spring (294) and pressure control rod
(295) it connects, taper comes directly towards (293) and hole B and hole C is isolated, and hole C and air duct (275) communicate.
6. a kind of hand-held 3D printing body surface sanding and polishing device according to claim 1, characterized in that the atomization
Mouth (25) includes that an inner wall is provided with the atomizing mouth shell (30) of conical cavity, a setting in atomizing mouth shell (30) circle
Helicla flute (31) on conical cavity inner wall, one be mounted on the guide pad (33) of conical cavity front end and be mounted on guide pad
(33) outlet nozzle (32) of front end；The guide pad (33), which is close on the side of conical cavity, is arranged evenly arranged hemisphere
The guiding groove of shape, guide pad (33) and conical cavity inner wall are provided with gasification through-hole (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433885.8U CN208467987U (en) | 2018-03-29 | 2018-03-29 | A kind of hand-held 3D printing body surface sanding and polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433885.8U CN208467987U (en) | 2018-03-29 | 2018-03-29 | A kind of hand-held 3D printing body surface sanding and polishing device |
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| Publication Number | Publication Date |
|---|---|
| CN208467987U true CN208467987U (en) | 2019-02-05 |
Family
ID=65205917
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820433885.8U Expired - Fee Related CN208467987U (en) | 2018-03-29 | 2018-03-29 | A kind of hand-held 3D printing body surface sanding and polishing device |
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| CN (1) | CN208467987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985710A (en) * | 2019-03-21 | 2019-07-09 | 青岛科技大学 | A kind of CNT-SiO2/ NBR material preparation method and atomizing lance |
-
2018
- 2018-03-29 CN CN201820433885.8U patent/CN208467987U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985710A (en) * | 2019-03-21 | 2019-07-09 | 青岛科技大学 | A kind of CNT-SiO2/ NBR material preparation method and atomizing lance |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |