CN113561065A - Automatic sand supply mechanism of water cutting machine - Google Patents
Automatic sand supply mechanism of water cutting machine Download PDFInfo
- Publication number
- CN113561065A CN113561065A CN202110911547.7A CN202110911547A CN113561065A CN 113561065 A CN113561065 A CN 113561065A CN 202110911547 A CN202110911547 A CN 202110911547A CN 113561065 A CN113561065 A CN 113561065A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- plate
- cutting machine
- material control
- cavity
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000004576 sand Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 92
- 238000003860 storage Methods 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 27
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000003082 abrasive agent Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003672 processing method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
- B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an automatic sand supply mechanism of a water cutting machine, which comprises a storage tank, wherein a sealing cover is hermetically connected above the storage tank, a charging opening is formed in the sealing cover, the charging opening is in threaded connection with a charging cover, one side of the storage tank is connected with a high-pressure air connecting pipeline, a material control piece is hermetically installed inside the storage tank, the storage tank is divided into a storage cavity and a discharge cavity by the material control piece, the bottom of the discharge cavity is connected with a discharge opening, a control valve is installed on the discharge opening, the bottom of the material control piece is connected with the upper end of a lifting rod, the lower end of the lifting rod is connected with the output end of a material control motor, and the material control motor is fixed inside the discharge cavity through a mounting bracket. This device can realize abrasive material gravel and sand's stable control through accuse material spare, and the degree of control is high.
Description
Technical Field
The invention relates to the technical field of water cutting, in particular to an automatic sand supply mechanism of a water cutting machine.
Background
The water cutting machine is a machine utilizing high-pressure water flow to cut, is a machine with the highest production capacity in the world, is superior to other processing technologies, such as flame cutting, plasma processing, laser processing, electric spark processing, turning, milling and planing processing and the like, simultaneously does not generate harmful gas or liquid during water cutting, does not generate heat on the surface of a workpiece, is really multifunctional and efficient, performs cold cutting processing, belongs to cold cutting, directly utilizes the kinetic energy of abrasive water jet to cut metal to achieve the cutting purpose, has no chemical change during the cutting process, has the advantages of no influence on the cutting material performance, no thermal deformation, narrow cutting seam, high precision, smooth and clean cutting surface, no pollution and the like, and can process materials which cannot be processed or are difficult to process by the traditional processing method and other processing methods, such as glass, ceramics and composite materials, Reflective materials, chemical fibers, heat sensitive materials, and the like. Water cutting devices generally consist of four major parts: supercharging device, numerical control device, cutting platform and supply sand device. The existing sand supply device is not stable enough in control and low in controllability.
Disclosure of Invention
The invention aims to provide an automatic sand supply mechanism of a water cutting machine, which aims to solve the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme: an automatic sand supply mechanism of a water cutting machine comprises a storage tank, wherein a sealing cover is hermetically connected above the storage tank, a charging opening is formed in the sealing cover, the charging opening is in threaded connection with the charging cover, one side of the storage tank is connected with a high-pressure air connecting pipeline, a material control part is hermetically installed inside the storage tank and divides the storage tank into a storage cavity and a discharge cavity, the bottom of the discharge cavity is connected with a discharge opening, a control valve is installed on the discharge opening, the bottom of the material control part is connected with the upper end of a lifting rod, the lower end of the lifting rod is connected with the output end of a material control motor, and the material control motor is fixed inside the discharge cavity through a mounting bracket;
the material control part comprises an upper material control part and a lower material control part, the upper material control part comprises a connecting plate, the connecting plate is of a circular ring structure, an annular discharging plate is connected to the middle of the bottom surface of the connecting plate, a discharging hole is formed in the annular discharging plate, the lower material control part comprises a baffle plate, the baffle plate is of a cylindrical cup-shaped structure, a material blocking part is fixedly connected to the middle of the baffle plate and is of a cylindrical structure, a motion cavity is formed between the side wall of the baffle plate and the material blocking part, the annular discharging plate is located in the motion cavity, the upper end of a lifting rod is connected to the bottom of the baffle plate, and the inner wall of the storage tank is connected to the connecting plate.
Preferably, the striker plate outer wall is connected with the guide board, the external diameter of stifled material piece is the same with the internal diameter of annular ejection of compact board, the internal diameter of striker plate is the same with the external diameter of annular ejection of compact board, it has the spacing groove to open on the curb plate outer wall of annular ejection of compact board, be equipped with the stopper on the striker plate inner wall, the stopper can be followed spacing inslot portion and slided from top to bottom.
Preferably, the discharge holes are provided with a plurality of discharge holes and are uniformly distributed according to the circumference of the side wall of the annular discharge plate.
Preferably, the mounting bracket is a circular frame structure.
Preferably, the lower end of the discharge cavity is of a funnel-shaped structure.
Preferably, the high-pressure air connecting pipeline is a three-way pipeline, and the other two ends of the high-pressure air connecting pipeline are respectively connected with an air pressure gauge and external high-pressure air equipment.
The invention has the technical effects and advantages that: this device can realize abrasive material gravel and sand's stable control through accuse material spare, and the degree of control is high.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a material control member of the present invention;
FIG. 4 is a schematic structural diagram of a lower material control member according to the present invention.
In the figure: 1-a material storage tank, 2-a sealing cover, 3-a charging port, 4-a charging cover, 5-a high-pressure air connecting pipeline, 6-a barometer, 7-a material storage chamber, 8-a discharging chamber, 9-a discharging port, 10-a control valve, 11-a lifting rod, 12-a material control motor, 13-a mounting bracket, 14-an upper material control part, 15-a lower material control part, 16-a connecting plate, 17-an annular discharging plate, 18-a discharging hole, 19-a material baffle, 20-a material blocking part, 21-a moving chamber, 22-a guide plate and 23-a limiting groove.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
The automatic sand supply mechanism of the water cutting machine shown in fig. 1-4 comprises a storage tank 1, wherein a sealing cover 2 is hermetically connected above the storage tank 1, a charging opening 3 is formed in the sealing cover 2, the charging opening 3 is in threaded connection with a charging cover 4, a high-pressure air connecting pipeline 5 is connected to one side of the storage tank 1, a material control member is hermetically installed inside the storage tank 1, the storage tank 1 is divided into a storage cavity 7 and a discharge cavity 8 by the material control member, the bottom 8 of the discharge cavity is connected with a discharge hole 9, a control valve 10 is installed on the discharge hole 9, the bottom of the material control member is connected with the upper end of a lifting rod 11, the lower end of the lifting rod 11 is connected with the output end of a material control motor 12, and the material control motor 12 is fixed inside the discharge cavity 8 through a mounting bracket 13;
accuse material includes accuse material 14 and accuse material 15 down, it includes connecting plate 16 to go up accuse material 14, connecting plate 16 is the ring structure, the bottom surface middle part of connecting plate 16 is connected with annular ejection of compact board 17, it has discharge opening 18 to open on the annular ejection of compact board 17, accuse material 15 includes striker plate 19 down, striker plate 19 is cylindrical cup structure, 19 middle part fixedly connected with stifled material 20 of striker plate, stifled material 20 is cylindrical structure, constitute motion chamber 21 between striker plate 19's lateral wall and the stifled material 20, annular ejection of compact board 17 is located motion chamber 21, lifter 11 upper end is connected to striker plate 19's bottom, 1 inner wall of storage tank is connected to connecting plate 16.
Example 2
The automatic sand supply mechanism of the water cutting machine shown in fig. 1-4 comprises a storage tank 1, wherein a sealing cover 2 is hermetically connected above the storage tank 1, a charging opening 3 is formed in the sealing cover 2, the charging opening 3 is in threaded connection with a charging cover 4, a high-pressure air connecting pipeline 5 is connected to one side of the storage tank 1, a material control member is hermetically installed inside the storage tank 1, the storage tank 1 is divided into a storage cavity 7 and a discharge cavity 8 by the material control member, the bottom 8 of the discharge cavity is connected with a discharge hole 9, a control valve 10 is installed on the discharge hole 9, the bottom of the material control member is connected with the upper end of a lifting rod 11, the lower end of the lifting rod 11 is connected with the output end of a material control motor 12, and the material control motor 12 is fixed inside the discharge cavity 8 through a mounting bracket 13;
accuse material includes accuse material 14 and accuse material 15 down, it includes connecting plate 16 to go up accuse material 14, connecting plate 16 is the ring structure, the bottom surface middle part of connecting plate 16 is connected with annular ejection of compact board 17, it has discharge opening 18 to open on the annular ejection of compact board 17, accuse material 15 includes striker plate 19 down, striker plate 19 is cylindrical cup structure, 19 middle part fixedly connected with stifled material 20 of striker plate, stifled material 20 is cylindrical structure, constitute motion chamber 21 between striker plate 19's lateral wall and the stifled material 20, annular ejection of compact board 17 is located motion chamber 21, lifter 11 upper end is connected to striker plate 19's bottom, 1 inner wall of storage tank is connected to connecting plate 16.
Preferably, the outer wall of the material baffle 19 is connected with a guide plate 22, the outer diameter of the material blocking part 20 is the same as the inner diameter of the annular discharging plate 17, the inner diameter of the material baffle 19 is the same as the outer diameter of the annular discharging plate 17, a limit groove 23 is formed in the outer wall of a side plate of the annular discharging plate 17, a limit block is arranged on the inner wall of the material baffle 19, and the limit block can slide up and down along the inner part of the limit groove 23.
Preferably, the discharge holes 18 are provided in plurality and are uniformly distributed along the circumference of the side wall of the annular discharge plate 17.
Preferably, the mounting bracket 13 is a circular frame structure, and the mounting bracket 13 does not block the abrasive from reaching the discharge hole 9.
Preferably, the lower end of the discharging cavity 8 is of a funnel-shaped structure.
Preferably, high-pressure air connecting pipe 5 is the tee bend pipeline, high-pressure air connecting pipe 5 other both ends are connected barometer 6 and outside high-pressure air equipment respectively, can real time monitoring storage tank 1 inside atmospheric pressure through barometer 6, guarantee that the atmospheric pressure in the storage tank 1 reaches the settlement level, the smooth ejection of compact of control abrasive material, and prevent that storage tank 1 inside atmospheric pressure from too high causing the bursting.
The process flow and the working principle of the invention are as follows: the abrasive is poured into the storage tank 1 through the charging opening 3, the abrasive reaches the annular discharging plate 17, the blocking piece 20 of the lower material control piece 15 prevents the abrasive from directly falling into the discharging cavity 8, the high-pressure air connecting pipeline 5 is connected with external high-pressure air equipment to keep the air pressure in the storage tank 1 to reach a set level, the material control motor 12 drives the lifting rod 11 to lift according to the requirement of the water cutting machine, the lifting rod 11 drives the lower material control piece 15 to move up and down, the lower material control piece 15 can slide up and down along the inner part of the limiting groove 23 in the moving process, the vertical alignment between the upper material control piece 14 and the lower material control piece 15 is ensured, the baffle plate 19 of the lower material control piece 15 can move up and down to control the conduction size of the discharging hole 18, so as to control the outflow of the abrasive from the discharging hole 18, the flowing abrasive directly falls into the discharging cavity 8 through the guide plate 22, the control valve 10 is opened, the abrasive can be led out from the discharge hole 9.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an automatic sand mechanism that supplies of water cutting machine, includes the storage tank, its characterized in that: the material storage tank is connected with a sealing cover in a sealing manner, a charging opening is formed in the sealing cover and is in threaded connection with a charging cover, one side of the material storage tank is connected with a high-pressure air connecting pipeline, a material control part is installed inside the material storage tank in a sealing manner and divides the material storage tank into a material storage cavity and a material discharging cavity, the bottom of the material discharging cavity is connected with a material discharging hole, a control valve is installed on the material discharging hole, the bottom of the material control part is connected with the upper end of a lifting rod, the lower end of the lifting rod is connected with the output end of a material control motor, and the material control motor is fixed inside the material discharging cavity through a mounting bracket;
the material control part comprises an upper material control part and a lower material control part, the upper material control part comprises a connecting plate, the connecting plate is of a circular ring structure, an annular discharging plate is connected to the middle of the bottom surface of the connecting plate, a discharging hole is formed in the annular discharging plate, the lower material control part comprises a baffle plate, the baffle plate is of a cylindrical cup-shaped structure, a material blocking part is fixedly connected to the middle of the baffle plate and is of a cylindrical structure, a motion cavity is formed between the side wall of the baffle plate and the material blocking part, the annular discharging plate is located in the motion cavity, the upper end of a lifting rod is connected to the bottom of the baffle plate, and the inner wall of the storage tank is connected to the connecting plate.
2. The automatic sand supply mechanism of the water cutting machine according to claim 1, characterized in that: the utility model discloses a material blocking device, including striker plate, baffle plate outer wall connection has the guide board, the external diameter of stifled material piece is the same with the internal diameter of annular ejection of compact board, the internal diameter of striker plate is the same with the external diameter of annular ejection of compact board, it has the spacing groove to open on the curb plate outer wall of annular ejection of compact board, be equipped with the stopper on the striker plate inner wall, the stopper can be followed spacing inslot portion and slided from top to bottom.
3. The automatic sand supply mechanism of the water cutting machine according to claim 2, characterized in that: the discharge holes are provided with a plurality of discharge holes and are uniformly distributed according to the circumference of the side wall of the annular discharge plate.
4. The automatic sand supply mechanism of the water cutting machine according to claim 1, characterized in that: the mounting bracket is of a circular frame structure.
5. The automatic sand supply mechanism of the water cutting machine according to claim 1, characterized in that: the lower end of the discharging cavity is of a funnel-shaped structure.
6. The automatic sand supply mechanism of the water cutting machine according to claim 1, characterized in that: the high-pressure air connecting pipeline is a three-way pipeline, and the other two ends of the high-pressure air connecting pipeline are respectively connected with an air pressure gauge and external high-pressure air equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110911547.7A CN113561065A (en) | 2021-08-10 | 2021-08-10 | Automatic sand supply mechanism of water cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110911547.7A CN113561065A (en) | 2021-08-10 | 2021-08-10 | Automatic sand supply mechanism of water cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113561065A true CN113561065A (en) | 2021-10-29 |
Family
ID=78171027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110911547.7A Pending CN113561065A (en) | 2021-08-10 | 2021-08-10 | Automatic sand supply mechanism of water cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113561065A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608692A (en) * | 2009-07-24 | 2009-12-23 | 杨玉思 | Hand, electricity, hydraulic three-function Y-shaped constant-pressure flow regulating valve with multiple spray holes |
| CN104074989A (en) * | 2014-06-06 | 2014-10-01 | 温州市隆潮阀门有限公司 | Manual digital control check valve |
| CN104279347A (en) * | 2013-07-05 | 2015-01-14 | 财团法人金属工业研究发展中心 | flow control sleeve group |
| CN204226833U (en) * | 2014-10-20 | 2015-03-25 | 上海希希埃动力控制设备有限公司 | For the throttle of steam converter valve |
| CN206617599U (en) * | 2017-02-20 | 2017-11-07 | 泰州市江华船舶设备制造有限公司 | Flow control valve |
| CN107327585A (en) * | 2017-07-19 | 2017-11-07 | 许昌昌信机械制造有限公司 | Linear flow control valve |
| CN209256700U (en) * | 2018-12-06 | 2019-08-16 | 揭阳市佳泊仕五金实业有限公司 | A kind of portable sandblaster of regulating flow quantity |
| CN209379905U (en) * | 2018-12-04 | 2019-09-13 | 广元恒大铝业有限公司 | A kind of molten aluminum flow regulator |
| CN210476637U (en) * | 2019-08-05 | 2020-05-08 | 淮安市超越水射流科技有限公司 | Water jet cutting automatic sand supply tank feeding device |
| CN212095967U (en) * | 2020-04-17 | 2020-12-08 | 上海亦丰机电科技有限公司 | Automatic sand supply device for water cutting |
| CN212506162U (en) * | 2020-06-11 | 2021-02-09 | 广东省水利电力勘测设计研究院 | Flow-regulating water-filling valve |
| CN215847648U (en) * | 2021-08-10 | 2022-02-18 | 布鲁斯(浙江)精密科技有限公司 | Automatic sand supply mechanism of water cutting machine |
-
2021
- 2021-08-10 CN CN202110911547.7A patent/CN113561065A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608692A (en) * | 2009-07-24 | 2009-12-23 | 杨玉思 | Hand, electricity, hydraulic three-function Y-shaped constant-pressure flow regulating valve with multiple spray holes |
| CN104279347A (en) * | 2013-07-05 | 2015-01-14 | 财团法人金属工业研究发展中心 | flow control sleeve group |
| CN104074989A (en) * | 2014-06-06 | 2014-10-01 | 温州市隆潮阀门有限公司 | Manual digital control check valve |
| CN204226833U (en) * | 2014-10-20 | 2015-03-25 | 上海希希埃动力控制设备有限公司 | For the throttle of steam converter valve |
| CN206617599U (en) * | 2017-02-20 | 2017-11-07 | 泰州市江华船舶设备制造有限公司 | Flow control valve |
| CN107327585A (en) * | 2017-07-19 | 2017-11-07 | 许昌昌信机械制造有限公司 | Linear flow control valve |
| CN209379905U (en) * | 2018-12-04 | 2019-09-13 | 广元恒大铝业有限公司 | A kind of molten aluminum flow regulator |
| CN209256700U (en) * | 2018-12-06 | 2019-08-16 | 揭阳市佳泊仕五金实业有限公司 | A kind of portable sandblaster of regulating flow quantity |
| CN210476637U (en) * | 2019-08-05 | 2020-05-08 | 淮安市超越水射流科技有限公司 | Water jet cutting automatic sand supply tank feeding device |
| CN212095967U (en) * | 2020-04-17 | 2020-12-08 | 上海亦丰机电科技有限公司 | Automatic sand supply device for water cutting |
| CN212506162U (en) * | 2020-06-11 | 2021-02-09 | 广东省水利电力勘测设计研究院 | Flow-regulating water-filling valve |
| CN215847648U (en) * | 2021-08-10 | 2022-02-18 | 布鲁斯(浙江)精密科技有限公司 | Automatic sand supply mechanism of water cutting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215847648U (en) | Automatic sand supply mechanism of water cutting machine | |
| CN103540715B (en) | Constant-speed continuous silicone oil restraining device and method | |
| CN107471539A (en) | A kind of automobile die for controlling temperature fast cooling shaping | |
| CN113561065A (en) | Automatic sand supply mechanism of water cutting machine | |
| CN205019874U (en) | Big volume ordinary pressure vacuum vapour and liquid separator | |
| CN212216489U (en) | Formation negative pressure pipeline cleaning tool | |
| CN211360651U (en) | Atmosphere protection device for laser vibration material disk production | |
| US20200324334A1 (en) | Plaster casting mold fabrication method for a complicated structure aluminum alloy casting with a large inner cavity and a thin wall | |
| CN106051287B (en) | A kind of isostatic pressing machine Work container upper end cover float-type air inlet-and-exhaust device | |
| CN102345761B (en) | Automatic exhaust valve | |
| CN108176841A (en) | A kind of casting device | |
| CN205241224U (en) | Liquid flux is taken out from ware | |
| CN107056333A (en) | The enameling method of pottery bowl | |
| CN209952883U (en) | Device for recovering activation of molecular sieve for pressure swing adsorption oxygen production | |
| CN201913243U (en) | Device for removing nonmetal slag inclusion in steel smelting | |
| CN207980576U (en) | A kind of novel backwashing filter | |
| CN206647159U (en) | A kind of expansion water tank for automobile | |
| CN218845219U (en) | Wet-type disc valve for controlling high-temperature dust gas emission | |
| CN209424580U (en) | A kind of explosion-proof drilling aid | |
| CN208519246U (en) | A kind of rupture disk safety device is dedicated to let out zero device | |
| CN115645953B (en) | Flash tank for preparing fumed silica | |
| CN217272185U (en) | Breather valve for preventing crystallization | |
| CN219452530U (en) | High-precision water pump casting | |
| CN220574321U (en) | Melting equipment for fly ash treatment | |
| CN217866130U (en) | A stainless steel storage tank for chemical production |
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 |