CN108788908A - A kind of protective roof structure on machining equipment - Google Patents
A kind of protective roof structure on machining equipment Download PDFInfo
- Publication number
- CN108788908A CN108788908A CN201810710961.XA CN201810710961A CN108788908A CN 108788908 A CN108788908 A CN 108788908A CN 201810710961 A CN201810710961 A CN 201810710961A CN 108788908 A CN108788908 A CN 108788908A
- Authority
- CN
- China
- Prior art keywords
- shield body
- lathe
- roof structure
- machining equipment
- protective roof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0053—Devices for removing chips using the gravity force
-
- 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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of protective roof structures on machining equipment, including lathe and shield body, the both sides of the lathe are separately installed with the linear guide being mutually parallel, the linear guide is equipped with sliding block, the sliding block is bolted on the bottom of shield body, the top of the shield body is fixedly connected on the inlet end of axial flow blower by bellows, and the end face of the machining spindle case of described lathe one end is equipped with the locating slot to match with shield body end face.The present invention moves shield body by the way that the linear guide is convenient, when shield body is moved into locating slot, shield body is completed to fix by locating rod, negative pressure is generated by axial flow blower to be attracted, and avoids dust pollution, draw ring is pulled after process finishing, locating rod is extracted out from location hole, simultaneously using second spring push push plate, can by shield body out of locating slot automatic spring, avoid shield body from being stuck in locating slot.
Description
Technical field
The invention belongs to mechanical equipment protective device technical fields, and in particular to a kind of for anti-on machining equipment
Shield structure.
Background technology
The protection of large-sized numerical control lathe uses semiclosed protection form, with single fan or biparting sliding door, the semiclosed end in both sides
Plate, behind use riser.The protection effect of this semiclosed protection Design is not good enough, cannot meet large-sized numerical control lathe in forced cutting
When particular/special requirement.
For this purpose, application No. is the patent of CN200920077670.8, it discloses a kind of strength numerical controls with protective cover
Lathe, it includes the protective cover outside lathe body and lathe body, and the positive protective cover of lathe is equipped with the two big sliding doors of fan, should
Sliding door is orthodrome appearance；The shape orthodrome and sliding door orthodrome kissing of the fixed case in front left and right of the machine body
It closes；Machine body front lower part is equipped with the foreground of planar design, has raceway to be slid for sliding door on foreground；The machine body
Two sides and back and top surface are big plane appearance, are designed with observation window and maintenance window；Greatly with small between plane and big plane
Round-corner transition；Foot pedal is installed at proximal operator.Said program solves large-sized numerical control lathe forced cutting and protects lathe
Particular/special requirement, the large-scale totally-enclosed protective cover of design do not have to encapsulating method and solves leakproof.
But there is following defect in said program in use：Carry out milling, cut, grind process when, cannot be to the powder of generation
Dirt is handled, and is easy to form dust pollution, cannot be popped up protective cover when opening protective cover, is easy to block, be unfavorable for making
With.
Invention content
The purpose of the present invention is to provide a kind of protective roof structures on machining equipment, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of protective cover on machining equipment
Structure, including lathe and shield body, the both sides of the lathe are separately installed with the linear guide being mutually parallel, the straight line
Guide rail is equipped with sliding block, and the sliding block is bolted on the bottom of shield body, and the top of the shield body is logical
The inlet end that bellows is fixedly connected on axial flow blower is crossed, the axial flow blower is fixed on by supporting rack above lathe, described
The outlet side of axial flow blower is fixed with exhaust pipe by flange, and the end face of the machining spindle case of described lathe one end is equipped with and prevents
The locating slot that shield ontology end face matches, the locating slot are internally provided with push plate, and the side of the machining spindle case is also pacified
Equipped with pressing plate, the side of the pressing plate is welded with locating rod, and the end of locating rod penetrates the side of locating slot.
Preferably, short tube has been bolted at the top of the shield body, the bottom end of the bellows passes through card
Hoop is fixed on short tube.
Preferably, the front of the shield body is respectively equipped with push and pull bar and observation window and location hole.
Preferably, it is fixed with baffle on the lathe on the inside of the linear guide, opposing flaps in the shield body
Side is fixed with seal weatherstrip, and the seal weatherstrip is bonded with the surface of baffle.
Preferably, ventilation slot is provided on the lathe at the periphery of clamping fixture seat, the bottom of the ventilation slot is placed
There is collecting box.
Preferably, the push plate is fixed on the bottom of locating slot by second spring.
Preferably, the first spring, the table of the pressing plate are equipped between the other side of the pressing plate and machining spindle case side wall
Draw ring is further fixed on face.
Preferably, the position of the locating rod matches with location hole, end and the shield body phase of the locating rod
It is wedge shape to side.
The technique effect and advantage of the present invention：
Shield body is pushed in locating slot on machining spindle case by push and pull bar, work of the shield body in sliding block
It is moved along the linear guide under, when shield body is moved into locating slot, by locating rod to shield body
Complete to fix, carry out milling, cut, grind processing when the dust that generates, attracted by axial flow blower generation negative pressure, and by dust
Gas is arranged to cleaner by exhaust pipe and is focused on, and dust pollution is avoided, and ventilation slot can form negative pressure gas flow, to powder
Dirt is blown afloat upward, and the bulky grain that can not be blown afloat then falls into the collecting box of lower section and recycles, and after process finishing, pulls draw ring, can
To extract locating rod out from location hole, while push plate is pushed using second spring, it can be by shield body out of locating slot
Automatic spring avoids shield body from being stuck in locating slot.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for the protective roof structure on machining equipment of the present invention；
Fig. 2 is a kind of shield body structural schematic diagram for the protective roof structure on machining equipment of the present invention；
Fig. 3 is enlarged structure schematic diagram at a kind of A for the protective roof structure on machining equipment of the present invention；
Fig. 4 is a kind of lathe overlooking structure diagram for the protective roof structure on machining equipment of the present invention；
Fig. 5 is a kind of positioning slot structure schematic diagram for the protective roof structure on machining equipment of the present invention；
Fig. 6 is a kind of pressure plate structure schematic diagram for the protective roof structure on machining equipment of the present invention；
Fig. 7 is a kind of positional lever structure schematic diagram for the protective roof structure on machining equipment of the present invention；
Fig. 8 is a kind of plate pushing structure schematic diagram for the protective roof structure on machining equipment of the present invention.
In figure：1 lathe, 101 ventilation slots, 2 push and pull bars, 3 supporting racks, 4 axial flow blowers, 5 exhaust pipes, 6 bellowss, 7 cards
Hoop, 8 shield bodies, 9 draw rings, 10 machining spindle casees, 11 baffles, 12 collecting boxs, 13 location holes, 14 observation windows, 15 short tubes, 16
Locating slot, 17 push plates, 18 sliding blocks, 19 seal weatherstrips, 20 locating rods, 21 first springs, 22 pressing plates, 23 second springs, 24 straight lines
Guide rail.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
As shown in figures 1-8, a kind of protective roof structure on machining equipment, including lathe 1 and shield body
8, the both sides of the lathe 1 are separately installed with the linear guide 24 being mutually parallel, and the linear guide 24 is equipped with sliding block 18, institute
The bottom that sliding block 18 is bolted on shield body 8 is stated, the top of the shield body 8 is fixed by bellows 6
It is connected to the inlet end of axial flow blower 4, the axial flow blower 4 is fixed on 1 top of lathe, the axial flow blower 4 by supporting rack 3
Outlet side exhaust pipe 5 is fixed with by flange, the end face of the machining spindle case 10 of 1 one end of the lathe is equipped with and protective cover
The locating slot 16 that 8 end face of ontology matches, the locating slot 16 are internally provided with push plate 17, the side of the machining spindle case 10
It is also equipped with pressing plate 22, the side of the pressing plate 22 is welded with locating rod 20, and the end of locating rod 20 penetrates locating slot
16 side.
The top of the shield body 8 has been bolted short tube 15, and the bottom end of the bellows 6 passes through clip 7
It is fixed on short tube 15, bellows 6 can facilitate bending, therefore in mobile shield body 8, not interfere in bellows 6
Gas flowing, be conducive to keep dust collection efficiency, and then the row of concentration unites exhaust pipe 5 to cleaner, such as cloth envelop collector
One dust removal process.
The front of the shield body 8 is respectively equipped with push and pull bar 2 and observation window 14 and location hole 13, and location hole 13 is used
Match in locating rod 20, shield body 8 is fixed, push and pull bar 2 is convenient to carry out sliding to shield body 8
Dynamic, observation window 14 uses armorplate glass, it may be convenient to observe the processing situation inside shield body 8.
It is fixed with baffle 11 on the lathe 1 of the inside of the linear guide 24, opposing flaps 11 in the shield body 8
Side is fixed with seal weatherstrip 19, and the seal weatherstrip 19 is bonded with the surface of baffle 11, and using baffle 11, seal weatherstrip 19 can
To be sealed to 8 inside line of shield body, it can prevent dust from entering in the linear guide 24 in outside.
Ventilation slot 101 is provided on the lathe 1 at the periphery of clamping fixture seat, the bottom of the ventilation slot 101 is placed
There is collecting box 12, the top of ventilation slot 101 uses annular design, can be collected to the bulky grain waste material being scattered, while profit
With ventilation slot 101, tiny dust can be blown afloat upwards, be absorbed using bellows 6, the bulky grain that can not be blown afloat then is fallen into down
Recycling in the collecting box 12 of side.
The push plate 17 is fixed on the bottom of locating slot 16 by second spring 23, and push plate is pushed using second spring 23
17, can by shield body 8 out of locating slot 16 automatic spring, avoid shield body 8 from being stuck in locating slot 16.
The first spring 21, the table of the pressing plate 22 are equipped between 10 side wall of the other side and machining spindle case of the pressing plate 22
It is further fixed on draw ring 9 on face, by the first spring 21, pressing plate 22 can be pushed so that locating rod 20 is automatically inserted into locating slot 16
It is interior.
The position of the locating rod 20 matches with location hole 13, end and 8 phase of shield body of the locating rod 20
It is wedge shape to side, when shield body 8 is moved into locating slot 16, it will pushed away locating rod 20 outward using wedge shape
It is dynamic, when locating rod 20 and location hole 13 to it is corresponding when under the promotion of the first spring 21 in insertion location hole 13, to protecting
Cover body 8 is completed to fix.
Specifically, in use, by push and pull bar 2 by shield body 8 in locating slot 16 on machining spindle case 10
It pushes, shield body 8 moved under the action of sliding block 18 along the linear guide 24, when shield body 8 is to locating slot
When moving in 16, shield body 8 is completed to fix by locating rod 20, carry out milling, cut, grind process when the dust that generates,
Negative pressure is generated by axial flow blower 4 to be attracted, and dusty gas is focused on by 5 row of exhaust pipe to cleaner, is kept away
Exempt from dust pollution, and ventilation slot 101 can form negative pressure gas flow, be blown afloat upward to dust, the bulky grain that can not be blown afloat then is fallen
Enter in the collecting box 12 of lower section and recycle, after process finishing, pulls draw ring 9, locating rod 20 can be extracted out from location hole 13, together
Shi Liyong second springs 23 push push plate 17, can by shield body 8 out of locating slot 16 automatic spring, avoid protective cover sheet
Body 8 is stuck in locating slot 16.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of protective roof structure on machining equipment, including lathe（1）And shield body（8）, feature exists
In：The lathe（1）Both sides be separately installed with the linear guide being mutually parallel（24）, the linear guide（24）It is equipped with and slides
Block（18）, the sliding block（18）It is bolted on shield body（8）Bottom, the shield body（8）Top
Pass through bellows（6）It is fixedly connected on axial flow blower（4）Inlet end, the axial flow blower（4）Pass through supporting rack（3）It is fixed on
Lathe（1）Top, the axial flow blower（4）Outlet side exhaust pipe is fixed with by flange（5）, the lathe（1）One end
Machining spindle case（10）End face be equipped with and shield body（8）The locating slot that end face matches（16）, the locating slot
（16）Be internally provided with push plate（17）, the machining spindle case（10）Side be also equipped with pressing plate（22）, the pressing plate（22）
Side be welded with locating rod（20）, and locating rod（20）End penetrate locating slot（16）Side.
2. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：It is described anti-
Shield ontology（8）Top be bolted short tube（15）, the bellows（6）Bottom end pass through clip（7）It is fixed on
Short tube（15）On.
3. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：It is described anti-
Shield ontology（8）Front be respectively equipped with push and pull bar（2）And observation window（14）And location hole（13）.
4. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：It is described straight
Line guide rail（24）The lathe of inside（1）On be fixed with baffle（11）, the shield body（8）Upper opposing flaps（11）Side
It is fixed with seal weatherstrip（19）, the seal weatherstrip（19）With baffle（11）Surface fitting.
5. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：The machine
Bed（1）It is upper to be provided with ventilation slot at the periphery of clamping fixture seat（101）, the ventilation slot（101）Bottom be placed with collecting box
（12）.
6. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：It is described to push away
Plate（17）Pass through second spring（23）It is fixed on locating slot（16）Bottom.
7. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：The pressure
Plate（22）The other side and machining spindle case（10）The first spring is equipped between side wall（21）, the pressing plate（22）Surface on also
It is fixed with draw ring（9）.
8. a kind of protective roof structure on machining equipment according to claim 1, it is characterised in that：It is described fixed
Position bar（20）Position and location hole（13）Match, the locating rod（20）End and shield body（8）Opposite side
For wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710961.XA CN108788908A (en) | 2018-07-03 | 2018-07-03 | A kind of protective roof structure on machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710961.XA CN108788908A (en) | 2018-07-03 | 2018-07-03 | A kind of protective roof structure on machining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108788908A true CN108788908A (en) | 2018-11-13 |
Family
ID=64073965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810710961.XA Pending CN108788908A (en) | 2018-07-03 | 2018-07-03 | A kind of protective roof structure on machining equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108788908A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746970A (en) * | 2019-01-17 | 2019-05-14 | 江苏摩臣智联科技股份有限公司 | A kind of cutting machine with function of safety protection |
| CN110047460A (en) * | 2019-05-13 | 2019-07-23 | 江西铜业铜材有限公司 | A kind of air-brush muffler and its processing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323625A (en) * | 1995-05-31 | 1996-12-10 | Nippon Seiki Co Ltd | Dust collecting device |
| CN201427190Y (en) * | 2009-06-30 | 2010-03-24 | 上海重型机床厂有限公司 | Heavy-duty numerical control lathe with outer shield |
| CN103624688A (en) * | 2013-12-04 | 2014-03-12 | 北海市恒兴珠宝有限责任公司 | Dust-sucking grinding table for shell processing |
| CN106949135A (en) * | 2017-05-27 | 2017-07-14 | 盐城瑞峰石材有限公司 | A kind of petroleum machinery protective cover |
| CN206605311U (en) * | 2017-03-03 | 2017-11-03 | 宜兴市永存机械设备有限公司 | A kind of dust-proof case of multi-position bolt forming machine blank |
| CN206888828U (en) * | 2017-06-28 | 2018-01-16 | 许昌第一外国语实验小学 | It is a kind of from open form aluminium alloy window |
| CN207177519U (en) * | 2017-08-31 | 2018-04-03 | 四川职业技术学院 | A kind of lock for sliding door and window |
| CN207315129U (en) * | 2017-09-04 | 2018-05-04 | 江苏春阳新材料科技集团有限公司 | A kind of efficiently lifting energy-saving sliding door and window |
-
2018
- 2018-07-03 CN CN201810710961.XA patent/CN108788908A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323625A (en) * | 1995-05-31 | 1996-12-10 | Nippon Seiki Co Ltd | Dust collecting device |
| CN201427190Y (en) * | 2009-06-30 | 2010-03-24 | 上海重型机床厂有限公司 | Heavy-duty numerical control lathe with outer shield |
| CN103624688A (en) * | 2013-12-04 | 2014-03-12 | 北海市恒兴珠宝有限责任公司 | Dust-sucking grinding table for shell processing |
| CN206605311U (en) * | 2017-03-03 | 2017-11-03 | 宜兴市永存机械设备有限公司 | A kind of dust-proof case of multi-position bolt forming machine blank |
| CN106949135A (en) * | 2017-05-27 | 2017-07-14 | 盐城瑞峰石材有限公司 | A kind of petroleum machinery protective cover |
| CN206888828U (en) * | 2017-06-28 | 2018-01-16 | 许昌第一外国语实验小学 | It is a kind of from open form aluminium alloy window |
| CN207177519U (en) * | 2017-08-31 | 2018-04-03 | 四川职业技术学院 | A kind of lock for sliding door and window |
| CN207315129U (en) * | 2017-09-04 | 2018-05-04 | 江苏春阳新材料科技集团有限公司 | A kind of efficiently lifting energy-saving sliding door and window |
Non-Patent Citations (1)
| Title |
|---|
| 崔丽萍: "《建筑识图与构造》", 30 September 2010, 中国电力出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746970A (en) * | 2019-01-17 | 2019-05-14 | 江苏摩臣智联科技股份有限公司 | A kind of cutting machine with function of safety protection |
| CN110047460A (en) * | 2019-05-13 | 2019-07-23 | 江西铜业铜材有限公司 | A kind of air-brush muffler and its processing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206747782U (en) | A kind of dust arrester for laser engraving machine | |
| CN108788908A (en) | A kind of protective roof structure on machining equipment | |
| CN207668158U (en) | A kind of equipment that the useless filter of the close pleat type of low-activity is disassembled | |
| CN107812781A (en) | A kind of device and method thereof that filter is disassembled of being given up to the close pleat type of low-activity | |
| CN107225324A (en) | A kind of efficient circulation utilizes the laser processing device for aiding in gas | |
| CN212470709U (en) | Waste recovery device for machining of mechanical parts | |
| CN114951898A (en) | Radioactive metal waste thermal cutting device and thermal cutting method | |
| CN210385218U (en) | Filter cartridge dust remover convenient for replacing filter cartridge | |
| CN212043127U (en) | Dust collector for laser cutting machine | |
| CN210452002U (en) | Machine tool convenient for dust removal | |
| CN211758513U (en) | Processing lathe with noise reduction function | |
| CN218533744U (en) | Numerically controlled fraise machine with dust removal structure | |
| CN216066588U (en) | Waste collecting device is used in numerically controlled fraise machine processing | |
| CN220943237U (en) | Drilling and milling machine equipment | |
| CN206853362U (en) | A kind of exhausting-dusting system of workshop cleaning | |
| CN219130177U (en) | Vertical oxidation line | |
| CN216096751U (en) | Groove machining tool for sawing machine | |
| CN101804510A (en) | Double-funnel type medium-pressure smoke discharging device for laser engraving (cutting) machine | |
| CN213162376U (en) | Efficient lower air exhaust and lower dust collection solid sample preparation ventilation cabinet | |
| CN216607620U (en) | Dust collection device for laser cutting head | |
| CN214486144U (en) | Ash negative pressure recovery device at inlet of slag cooler | |
| CN217802193U (en) | Milling machine with saw-dust clearance mechanism | |
| CN219684951U (en) | Wood fiber sand dust recovery system | |
| CN213080866U (en) | Numerical control lathe convenient to clear bits | |
| CN104190682A (en) | Dust removing device of rewinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
|
| RJ01 | Rejection of invention patent application after publication |