CN111558271A - Intelligent central dust removal system for polishing workshop - Google Patents
Intelligent central dust removal system for polishing workshop Download PDFInfo
- Publication number
- CN111558271A CN111558271A CN202010585548.2A CN202010585548A CN111558271A CN 111558271 A CN111558271 A CN 111558271A CN 202010585548 A CN202010585548 A CN 202010585548A CN 111558271 A CN111558271 A CN 111558271A
- Authority
- CN
- China
- Prior art keywords
- water
- grinding
- curtain surface
- dust removal
- intelligent central
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/022—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by using a liquid curtain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
-
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
-
- 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
-
- 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
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/14—Fan arrangements for providing induced draft
Abstract
The invention relates to an intelligent central dust removal system for a polishing workshop, which comprises a polishing workbench, wherein the polishing workbench is provided with a plurality of polishing holes; the bottom of the polishing workbench is provided with a control box, and one side of the polishing workbench is provided with a dust removal case; an exhaust fan is arranged at the position of the dust removing case close to the polishing workbench; the top of the dust remover box is provided with a water outlet pipe; the dust remover case is provided with a water curtain surface opposite to the water outlet discharge pipe; the water curtain surface is positioned at the upper side of the exhaust fan; the bottom of the water curtain surface is provided with a water diversion groove; a water storage tank is arranged at the bottom of the dust removal machine case; the water diversion groove is communicated with the water storage tank; the upper side of the water storage pool is provided with a water mist spray head. On one hand, the invention collects the wood chip dust through the conventional exhaust fan, and on the other hand, the water curtain surface is additionally arranged on the upper side of the exhaust fan, thereby ensuring the complete collection of the wood chips and preventing the generation of open fire. Meanwhile, the waterway system can be recycled for many times, and is energy-saving and environment-friendly. And the water source contains filtering capability, prevents that the piece from entering into the clean water basin, has guaranteed that water curtain face and atomizer can not block up.
Description
Technical Field
The invention relates to a dust removal system, in particular to an intelligent central dust removal system for a polishing workshop, and belongs to the field of furniture manufacturing equipment.
Background
In modern wooden furniture factories, many carpenters such as drilling and wood planing are replaced by machines, but the polishing process is still finished manually, different polishing tools are needed for different parts and processes, and workers polish furniture parts by different tools. The importance of furniture manufacturers for polishing before painting can be seen. The aesthetics of the furniture surface depend to a large extent on the quality of the sanding. It is known that the polishing workshop is the most intensive and most problematic, and the polishing workshop is the most intensive and the most troublesome, regardless of solid wood enterprises or panel furniture enterprises. It is not a matter of man-sea tactics. Due to the particularity and difference of the materials, the differences of the shapes and the shapes of the processed parts and the like, and the limited processing function and cost consideration of sanding equipment, a method for completely replacing manual sanding is not provided at present. Because can produce a large amount of saw-dusts in the course of polishing, a large amount of saw-dusts exist and can cause the injury to workman's respiratory track in the middle of the air to the in-process cutter friction produces high temperature, and the saw-dust is flammable, if handle improper fire hazard of initiation easily. Therefore, there is a need for a dust collection system that integrates dust collection and fire prevention.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects in the prior art and provide an intelligent central dust removal system for a polishing workshop, which has the advantages of high safety factor, good dust removal effect and convenience in maintenance.
In order to achieve the purpose, the invention provides an intelligent central dust removal system for a polishing workshop, which comprises a polishing workbench, wherein the polishing workbench is provided with a plurality of polishing holes; the bottom of the grinding workbench is provided with a control box, and one side of the grinding workbench is provided with a dust removal case; an exhaust fan is arranged at the position of the dust removing case close to the polishing workbench; the top of the dust remover box is provided with a water outlet pipe; the dust remover case is provided with a water curtain surface opposite to the water outlet discharge pipe; the water curtain surface is positioned on the upper side of the exhaust fan; a water diversion groove is formed in the bottom of the water curtain surface; a water storage tank is arranged at the bottom of the dust removal machine case; the water diversion groove is communicated with the water storage tank; a water mist spray head is arranged on the upper side of the water storage tank; a clean water tank is arranged on one side of the water storage tank; the clean water tank is connected with the water mist spray head and the water curtain surface through the pump body.
Preferably, the dust removal case comprises a front panel, a rear panel and a base; the water curtain surface is arranged on the surface of the front panel; the water curtain surface is made of metal materials.
When the exhaust fan can not completely absorb the sawdust and the dust, the water curtain surface can carry out secondary dust washing on the sawdust and can prevent sparks from directly contacting the scraps.
Preferably, the water curtain surface is made of stainless steel material; the water curtain surface is obliquely arranged; the water curtain surface is connected to the front panel through a rotating hinge; and a supporting beam is arranged between the front panel and the rear panel.
Because the water curtain is washed by water flow for a long time, in order to ensure the integrity and durability of the surface of the water curtain, the water curtain is made of stainless steel, and the hinge is convenient for adjusting the angle.
Preferably, the diversion channel is arranged on the front panel; the diversion channel is arranged at an obtuse angle relative to the water curtain surface; and flow guide channels are arranged on two sides of the front panel opposite to the water guide grooves.
The diversion channel can introduce the rivers on the water curtain face into the tank, flow into the clean water basin from the tank again, upwards pump by the water pump and send, secondary use.
Preferably, one end of the diversion channel is communicated with the diversion groove, and the other end of the diversion channel is connected in the water storage pool.
The diversion channel can prevent water flow from leaking outwards.
Preferably, an exhaust fan mounting position is arranged on the lower side of the front panel, which is opposite to the water diversion groove; the number of the exhaust fans corresponds to the number of the grinding work tables.
The suction fan draws most of the debris and dust into the cavity formed by the front panel and the rear panel.
Preferably, the water mist spray head is arranged on the supporting beam; the supporting beams comprise at least two.
When the dust enters, the water mist spray head can dissolve the dust and settle downwards in the water storage tank.
Preferably, the supporting beams are distributed up and down; a pipeline assembly is arranged inside the supporting beam; the nozzle part of the water mist spray head is positioned on the upper side of the supporting beam.
Preferably, a filter membrane is arranged between the water storage tank and the clean water tank; the surface of the water storage tank is provided with a filter plate; the back panel is provided with a drawing groove body opposite to the filter plate.
The water entering the water storage pool contains a large amount of scraps, and the filter membrane can filter the water in the clean water storage pool and then enter the clean water pool for subsequent use.
Preferably, the pump body and the exhaust fan are respectively connected with a control switch cabinet.
On one hand, the wood chip dust is collected by the conventional exhaust fan, and on the other hand, the water curtain surface is additionally arranged on the upper side of the exhaust fan, so that the complete collection of the wood chips is ensured, the generation of open fire can be prevented, and the safety is improved. Meanwhile, the waterway system can be recycled for many times, and the water curtain surface and the atomizing nozzle are the same water source (a clean water tank), so that the energy is saved and the environment is protected. And the water source contains filtering capability, discharges the piece in the tank, prevents it to enter into the clean water basin, has guaranteed the cleanliness at water curtain face and atomizer water source, can not cause secondary pollution.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
FIG. 2 is a schematic diagram of the piping of the present invention.
Fig. 3 is a schematic diagram of a control circuit.
In the figure, 1 is a polishing workbench, 2 is a dust removal case, 2.1 is a front panel, 2.2 is a rear panel, 2.3 is a base, 2.1.1 is a fan installation position, 3 is an exhaust fan, 4 is a water outlet calandria, 5 is a water curtain surface, 6 is a water diversion groove, 7 is a water storage tank, 8 is a clean water tank, 9 is a supporting beam, 10 is a diversion channel, 11 is a filter plate, and 12 is a filter membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.
Referring to fig. 1 to 3, an intelligent central dust removing system for a grinding workshop comprises a grinding workbench 1; the bottom of the polishing workbench 1 is provided with a control box, and one side of the polishing workbench 1 is provided with a dust removal case 2; an exhaust fan 3 is arranged at the position of the dust removing case 2 close to the polishing workbench; the top of the dust remover box is provided with a water outlet calandria 4; the dust remover case is provided with a water curtain surface 5 opposite to the water outlet discharge pipe; the water curtain surface 5 is positioned at the upper side of the exhaust fan 3; the bottom of the water curtain surface 5 is provided with a water diversion groove 6; the bottom of the dust removing machine case 2 is provided with a water storage tank 7; the water diversion groove is communicated with the water storage tank 7; a water mist spray head 8 is arranged on the upper side of the water storage tank 7; a clean water tank 8 is arranged on one side of the water storage tank; the clean water tank 8 is connected with the water mist spray head and the water outlet discharge pipe 4 through the pump body 9.
Furthermore, the dust removing cabinet 2 comprises a front panel 2.1, a rear panel 2.2 and a base 2.3; the water curtain surface 5 is arranged on the surface of the front panel 2.1; the water curtain surface 5 is made of metal material.
In this embodiment, after polishing workstation 1 gets into operating condition, start air exhauster 3, the pump body, the produced piece of in-process of polishing is adsorbed by the negative pressure of air exhauster, enter into the cavity that front panel 2.1 and rear panel 2.2 formed, in this cavity, dust can be dissolved by the water smoke shower nozzle, and fall in cistern 7, and not by the adsorbed piece dust of air exhauster, can form the raise dust, because the existence of water curtain face 5, can dissolve the raise dust, reach in cistern 7 side by side.
Further, the water curtain surface 5 is made of stainless steel material; the water curtain surface 5 is obliquely arranged; the water curtain surface 5 is connected to the front panel through a rotating hinge; a supporting beam 9 is arranged between the front panel 2.1 and the rear panel 2.2.
In this embodiment, because the water curtain face can receive the long-term washing away of rivers, in order to guarantee its life, preferred adoption stainless steel material makes, and the water curtain face not only can play the effect of dissolving the raise dust, can also stop the piece and contact with the naked light in the process of polishing, causes the conflagration.
Preferably, the water curtain surface is hinged and can be rotatably arranged. Therefore, the angle of the water curtain surface can be adjusted to adapt to various working environments.
Furthermore, the water diversion groove 6 is arranged on the front panel 2.1; the diversion channel is arranged at an obtuse angle relative to the water curtain surface; and the two sides of the front panel are provided with diversion channels 10 opposite to the diversion grooves.
In this embodiment the gutter 6 is understood to be inclined towards both sides of the front panel 2.1 so as to direct water flowing down the water curtain surface through the diversion channel 10 into the reservoir.
The diversion channel 10 is preferably of a duct type, i.e. open at both ends and closed at the sides, so as to ensure that the water flow does not overflow.
Furthermore, one end of the diversion channel 10 is communicated with the diversion groove 6, and the other end of the diversion channel is arranged opposite to the water storage tank 7.
Furthermore, an exhaust fan mounting position 2.1.1 is arranged on the lower side of the front panel 2.1, which is opposite to the water guide groove; the number of the exhaust fans corresponds to the number of the grinding work tables.
Furthermore, the water mist spray head is arranged on the supporting beam 9; the number of the supporting beams 9 is at least two.
Furthermore, the supporting beams 9 are distributed up and down; a pipeline assembly is arranged inside the supporting cross beam 9; the nozzle part of the water mist spray head is positioned on the upper side of the supporting beam 9.
Furthermore, a filter membrane 12 is arranged between the water storage tank and the clean water tank; the surface of the water storage tank is provided with a filter plate 11; the back panel is provided with a drawing groove body opposite to the filter plate.
In this embodiment, since the exhaust fan 3 draws the air into the chamber, the air containing a large amount of wood dust may be blocked if the air is directly drawn from the water storage tank upwards to the water mist nozzle and the water outlet pipe, and the dust may enter the air again. Consequently, set up the clean water basin in tank one side to install the filter membrane between tank and clean water basin, guarantee that the tank enters into the clean water basin for filtering the back, the rivers of free from impurity, then upwards pump send through the body, avoid the jam of pipeline and shower nozzle.
Furthermore, the pump body and the exhaust fan are respectively connected with the control switch cabinet.
In this embodiment, because the control circuit utensil of the pump body and air exhauster belongs to conventional technical means, this scheme does not have concrete requirement to it, can pass through artifical manual switch, also can detect parameters such as temperature, air quality through the sensor and control, no longer gives unnecessary details.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An intelligent central dust removal system for a grinding workshop comprises a grinding workbench (1); the bottom of the grinding workbench (1) is provided with a control box which is characterized in that: a dust removal case (2) is arranged on one side of the polishing workbench (1); an exhaust fan (3) is arranged at the position of the dust removing case (2) close to the polishing workbench; the top of the dust remover box is provided with a water outlet calandria (4); the dust remover case is provided with a water curtain surface (5) opposite to the water outlet discharge pipe; the water curtain surface (5) is positioned on the upper side of the exhaust fan (3); a water diversion groove (6) is arranged at the bottom of the water curtain surface (5); a water storage tank (7) is arranged at the bottom of the dust removing machine box (2); the water diversion groove is communicated with the water storage pool (7); a water mist spray head (8) is arranged on the upper side of the water storage tank (7); a clean water tank (13) is arranged on one side of the water storage tank; the clean water tank (13) is connected with the water mist spray head and the water outlet discharge pipe (4) through the pump body (9).
2. The intelligent central dedusting system for the grinding shop of claim 1, wherein: the dust removal case (2) comprises a front panel (2.1), a rear panel (2.2) and a base (2.3); the water curtain surface (5) is arranged on the surface of the front panel (2.1); the water curtain surface (5) is made of metal materials.
3. The intelligent central dedusting system for the grinding shop of claim 2, wherein: the water curtain surface (5) is made of stainless steel material; the water curtain surface (5) is obliquely arranged; the water curtain surface (5) is connected to the front panel through a rotating hinge; and a supporting beam (9) is arranged between the front panel (2.1) and the rear panel (2.2).
4. The intelligent central dust removal system for the grinding workshop as claimed in claim 3, wherein: the diversion flume (6) is arranged on the front panel (2.1); the diversion channel is arranged at an obtuse angle relative to the water curtain surface; and flow guide channels (10) are arranged on two sides of the front panel opposite to the water guide grooves.
5. The intelligent central dust removal system for the grinding workshop as claimed in claim 4, wherein: one end of the diversion channel (10) is communicated with the diversion groove (6), and the other end of the diversion channel is arranged right opposite to the water storage tank (7).
6. The intelligent central dedusting system for the grinding shop of claim 1, wherein: an exhaust fan mounting position (2.1.1) is arranged on the lower side of the front panel (2.1) opposite to the water guide groove; the number of the exhaust fans corresponds to the number of the grinding work tables.
7. The intelligent central dedusting system for the grinding shop of claim 1, wherein: the water mist spray head is arranged on the supporting beam (9); the supporting cross beams (9) comprise at least two.
8. The intelligent central dust removal system for grinding workshops of claim 7, characterized in that: the supporting cross beams (9) are distributed up and down; a pipeline assembly is arranged in the supporting cross beam (9) in an inner measuring way; the nozzle part of the water mist spray head is positioned on the upper side of the supporting beam (9).
9. The intelligent central dedusting system for the grinding shop of claim 1, wherein: a filter membrane (12) is arranged between the water storage tank and the clean water tank; a filter plate (11) is arranged on the surface of the water storage tank; the back panel is provided with a drawing groove body opposite to the filter plate.
10. The intelligent central dedusting system for the grinding shop of claim 1, wherein: the pump body and the exhaust fan are respectively connected with the control switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585548.2A CN111558271A (en) | 2020-06-24 | 2020-06-24 | Intelligent central dust removal system for polishing workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010585548.2A CN111558271A (en) | 2020-06-24 | 2020-06-24 | Intelligent central dust removal system for polishing workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111558271A true CN111558271A (en) | 2020-08-21 |
Family
ID=72071235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010585548.2A Pending CN111558271A (en) | 2020-06-24 | 2020-06-24 | Intelligent central dust removal system for polishing workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111558271A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315491A (en) * | 1969-03-20 | 1973-05-02 | Aerostyle Ltd | Spray booths |
| KR20080017894A (en) * | 2006-08-23 | 2008-02-27 | 현대자동차주식회사 | Flush painting booth using air curtain |
| CN102600686A (en) * | 2012-03-23 | 2012-07-25 | 林斌 | Water curtain air filtering device for spraying |
| CN208612871U (en) * | 2018-06-24 | 2019-03-19 | 重庆中城嘉烨幕墙科技有限公司 | Spray water-screen cabinet |
| CN209865641U (en) * | 2018-12-19 | 2019-12-31 | 嘉兴洁尘环保科技有限公司温州分公司 | Cutting and grinding table |
-
2020
- 2020-06-24 CN CN202010585548.2A patent/CN111558271A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315491A (en) * | 1969-03-20 | 1973-05-02 | Aerostyle Ltd | Spray booths |
| KR20080017894A (en) * | 2006-08-23 | 2008-02-27 | 현대자동차주식회사 | Flush painting booth using air curtain |
| CN102600686A (en) * | 2012-03-23 | 2012-07-25 | 林斌 | Water curtain air filtering device for spraying |
| CN208612871U (en) * | 2018-06-24 | 2019-03-19 | 重庆中城嘉烨幕墙科技有限公司 | Spray water-screen cabinet |
| CN209865641U (en) * | 2018-12-19 | 2019-12-31 | 嘉兴洁尘环保科技有限公司温州分公司 | Cutting and grinding table |
Non-Patent Citations (1)
| Title |
|---|
| 谢劲: "《机床涂料与涂装技术》", 31 March 2001, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201455526U (en) | Semi-dry workbench of plasma cutter | |
| CN206748661U (en) | A kind of environment-friendly type automatically cuts off formula timber lathe | |
| CN205631881U (en) | Carpenter's engraver of dust absorption | |
| CN109176919A (en) | Precision cutting equipment is used in a kind of processing of wearability construction material | |
| CN212948249U (en) | Wood chip splashing prevention wood board cutting device | |
| CN111558271A (en) | Intelligent central dust removal system for polishing workshop | |
| CN112157286A (en) | Numerical control lathe with debris collection function | |
| CN214135175U (en) | Stainless steel shower nozzle production platform | |
| CN216632762U (en) | Cutting device for machine design and manufacture | |
| CN209551942U (en) | A kind of jamproof precision panel saw | |
| CN211278785U (en) | Cutting device for furniture processing | |
| CN210160813U (en) | Dust removal device for milling center | |
| CN220428692U (en) | Wood material processing chip removing equipment | |
| CN220113515U (en) | Profiling trimming production equipment | |
| CN111266910A (en) | Machine tool chip flushing device | |
| CN112476045A (en) | Metal cutting machine tool capable of quickly separating liquid and scraps | |
| CN219987886U (en) | Wood saw limit machine saw-dust collection device | |
| CN220659903U (en) | Fixed beam type planer type numerical control milling machine guide rail mechanism | |
| CN213796948U (en) | Environment-friendly automatic dust-absorbing woodworking planer | |
| CN219075069U (en) | Chip removing device of numerical control lathe | |
| CN220408377U (en) | Dust collector of semiconductor polishing machine | |
| CN217528624U (en) | Soil detection grinds dust disposal system | |
| CN213437749U (en) | Plasma arc cutting machine with self preservation protects function | |
| CN210233317U (en) | Circular sawing machine | |
| CN213289564U (en) | Waste cleaning device for numerical control milling 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: 20200821 |
|
| RJ01 | Rejection of invention patent application after publication |