CN112238075A - Cleaning device is used in production of geological drill bit - Google Patents
Cleaning device is used in production of geological drill bit Download PDFInfo
- Publication number
- CN112238075A CN112238075A CN202010984967.3A CN202010984967A CN112238075A CN 112238075 A CN112238075 A CN 112238075A CN 202010984967 A CN202010984967 A CN 202010984967A CN 112238075 A CN112238075 A CN 112238075A
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- Prior art keywords
- motor
- drill bit
- cleaning
- rod
- cleaning device
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- 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.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000012459 cleaning agent Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
A cleaning device for geological drill bit production comprises a machine body, wherein two sides of the inner wall of the machine body are rotatably connected with screw rods, and one end of each screw rod is connected with a third motor; the number of the screw rods is two, and the screw rods are horizontally arranged; two sides of the screw rod are respectively connected with a U-shaped plate and a moving block in a sliding manner; the screw rod penetrates through the U-shaped plate and the moving block and is in threaded connection with the U-shaped plate and the moving block; the cleaning agent can be conveyed into the water tank through the first conveying pipe through the cleaning agent access port, and then conveyed to the water spraying port through the liquid pump and the second conveying pipe, so that the drill bit is sprayed, the servo motor can drive the first rotary table to rotate, the water spraying port is further driven to rotate, and the spraying of the drill bit at different angle positions is realized; through setting up moving mechanism and connecting the transmission shaft, moving mechanism drives the transmission shaft up-and-down motion and drill bit contact, can make the cleaning brush carry out quick cleaning to the drill bit when rotating, has improved the cleaning efficiency of drill bit greatly.
Description
Technical Field
The invention relates to the field of drill bit processing, in particular to a cleaning device for geological drill bit production.
Background
Tools for breaking rock at the bottom of a hole (well) in drilling or boring operations. The drill bit used for geological drilling is mainly a core drill bit for coring. It is divided into hard alloy bit, drill grain bit, diamond bit, and sometimes also hard alloy-inlaid drag bit, wing bit and small diameter roller bit without coring. The petroleum and deep well drilling mainly adopts roller bit and scraper bit without coring, and adopts roller bit and scraper bit capable of coring in individual well section where coring is necessary
Application number 201921106608.7 discloses a drill bit belt cleaning device for oil development, comprising a base plate, the bottom plate top has the roof through the welding of two sets of backup pads, surface welding has the protection casing on the roof, install the motor in the protection casing, two sets of backup pads one side of bottom plate upper surface are provided with water tank and liquid reserve tank respectively, all the intercommunication has the outlet pipe on water tank and the liquid reserve tank, outlet pipe one end is run through the backup pad and is installed the shower nozzle, install the hydraulic pump on the outlet pipe, it is two sets of the welding has two sets of connecting plates, and is two sets of brushes are all installed to one side on the connecting plate, drive the drill bit by the.
At present when wasing the geology drill bit, often wash through the manual work, not only waste time and energy, reduced work efficiency simultaneously, the geology drill bit belt cleaning device among the prior art has the shortcoming such as washing thoroughly and cleaning efficiency low, inconvenient use moreover.
Accordingly, one skilled in the art provides a cleaning device for producing a geological drill to solve the problems set forth in the background art.
Disclosure of Invention
The invention provides a cleaning device for geological drill bit production, which has the following specific technical scheme:
a cleaning device for geological drill bit production; the device comprises a machine body 1, wherein two sides of the inner wall of the machine body 1 are rotatably connected with a screw rod 17, and one end of the screw rod 17 is connected with a third motor 16; the number of the screw rods 17 is two, and the screw rods are horizontally arranged; the two sides of the screw rod 17 are respectively connected with a U-shaped plate 40 and a moving block 7 in a sliding manner; the screw rod 17 penetrates through the U-shaped plate 40 and the moving block 7, and the screw rod 17 is in threaded connection with the U-shaped plate 40 and the moving block 7;
the moving block 7 is fixedly connected with a box body 6, the box body 6 is provided with a water spraying mechanism and a moving mechanism 5, the water spraying mechanism comprises a water tank 23 and a cantilever 41, and the water tank 23 is positioned in the box body 6 and is connected with a cleaning agent access 4 through a first conveying pipe 2 and a telescopic pipe 3; the cantilever 41 is fixedly connected to the box body 6, a servo motor 27 connected with a first turntable 28 at the lower part is arranged on the top surface of the end part of the cantilever 41, and a water spray opening 29 is arranged on the first turntable 28; one side of the first rotating disc 28 is connected with the water tank 23 through a second conveying pipe 25, and a liquid pump 24 is arranged on the second conveying pipe 25 and is fixed on the cantilever 41 through a fixing component 26;
a moving mechanism 5 is arranged in the box body 6, the moving mechanism 5 is connected with a transmission shaft 42, and two ends of the transmission shaft 42 are respectively connected with a driving motor 43 and a cleaning brush 8;
a second motor 12 is fixedly connected to the bottom axis of the machine body 1, a wastewater discharge port 9 is formed in one side of the second motor 12, an output end of the second motor 12 penetrates through the bottom of the machine body 1 and is connected with a rotating rod 13, and a limiting strip 36 parallel to the rotating rod 13 is arranged on the rotating rod 13; the periphery of the rotating rod 13 is connected with a loop bar 14, and a strip-shaped groove 37 matched with the limiting strip 36 is formed in the loop bar 14;
a first motor 10 connected with a connecting rod 11 is arranged on one side of the loop bar 14, and the connecting rod 11 is connected with a bearing 15 connected to the loop bar 14; one end of the loop bar 14 is fixedly connected with a second turntable 35, a plurality of grooves 31 and placing grooves 32 are arranged on the second turntable 35, and the placing grooves 32 are positioned between the grooves 31; the placing groove 32 is connected with a plurality of drainage grooves 30, and the drainage grooves 30 pass through the second turntable 35 to be communicated with the inner cavity of the machine body 1; an auxiliary fixing frame 38 is arranged above the second rotating disc 35; the auxiliary fixing frame 38 includes a fixing rod 39, a fixing plate 34 connected to the fixing rod 39, and a through groove 33 provided on the fixing plate 34 and having the same size as the placement groove 32.
On the basis of the scheme, the top end of the machine body 1 is fixedly connected with a fifth motor 22, the output end of the fifth motor 22 penetrates through the top of the machine body 1 to be connected with an electric telescopic rod 21, and the output end of the electric telescopic rod 21 is fixedly connected with a second cleaning roller 20.
On the basis of the scheme, the top end of the middle part of the U-shaped plate 40 is fixedly connected with a fourth motor 18, and an output shaft of the fourth motor 18 is in transmission connection with a first cleaning roller 19.
On the basis of the above scheme, the through groove 33 is over the placing groove 32.
On the basis of the above scheme, the fixing rod 39 is matched with the groove 31.
On the basis of the scheme, threads with different thread angles are adopted on two sides of the screw rod 17.
On the basis of the scheme, the size of the second cleaning roller 20 is slightly smaller than the size of the inner wall of the drill bit. The connecting rod 11 adopts a crank rocker mechanism.
In summary, in the prior art, the beneficial effects of the invention are as follows:
can carry the sanitizer to water tank 23 through first conveyer pipe 2 in through sanitizer access mouth 4, rethread liquid pump 24 carries the sanitizer to water jet 29 through second conveyer pipe 25, realizes spraying to the drill bit, and servo motor 27 can drive first carousel 28 rotatory, and then drives the rotation of water jet 29, realizes spraying to the different angular position of drill bit.
Through setting up moving mechanism 5 and connecting transmission shaft 42, moving mechanism 5 drives transmission shaft 42 up-and-down motion and drill bit contact, can make cleaning brush 8 carry out quick cleaning to the drill bit when rotating, has improved the cleaning efficiency of drill bit greatly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a cleaning device for producing a geological drill according to the present invention;
FIG. 2 is a schematic view of a part A of the cleaning apparatus for producing a geological drill according to the present invention;
FIG. 3 is a schematic structural view of part B of the geological drill production cleaning device of the present invention in FIG. 1;
FIG. 4 is a schematic view of a connection structure of a rotating rod 13 and a limiting strip 36 in the cleaning device for geological bit production according to the present invention;
FIG. 5 is a schematic view of a connecting structure between the loop bar 14 and the strip-shaped groove 37 in the cleaning device for geological drill bit production according to the present invention;
FIG. 6 is a schematic view of a connecting structure of a screw rod 17, a U-shaped plate 40 and a moving block 7 in the cleaning device for producing the geological drill according to the present invention;
in the figure: 1-body; 2-a first delivery pipe; 3-a telescopic pipe; 4-a detergent access; 5-a moving mechanism; 6, a box body; 7-a moving block; 8-cleaning the brush; 9-a wastewater discharge port; 10-a first electric machine; 11-a connecting rod; 12-a second electric machine; 13-rotating rod; 14-a loop bar; 15-a bearing; 16-a third motor; 17-a screw rod; 18-a fourth motor; 19-a first cleaning roller; 20-a second cleaning roller; 21-an electric telescopic rod; 22-a fifth motor; 23-a water tank; 24-a liquid pump; 25-a second delivery pipe; 26-a stationary component; 27-a servo motor; 28-a first carousel; 29-water jet; 30-a drainage groove; 31-a groove; 32-a placement groove; 33-through grooves; 34-a fixed plate; 35-a second carousel; 36-a limit bar; 37-a strip groove; 38-auxiliary fixing frame; 39-fixing the rod; 40-U-shaped plates; 41-cantilever; 42-a drive shaft; 43-drive the motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
A cleaning apparatus for producing a geological drill according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.
In a first embodiment, the invention provides a cleaning device for geological drill bit production; the device comprises a machine body 1, wherein two sides of the inner wall of the machine body 1 are rotatably connected with a screw rod 17, and one end of the screw rod 17 is connected with a third motor 16; the number of the screw rods 17 is two, and the screw rods are horizontally arranged; the two sides of the screw rod 17 are respectively connected with a U-shaped plate 40 and a moving block 7 in a sliding manner; the screw rod 17 penetrates through the U-shaped plate 40 and the moving block 7, and the screw rod 17 is in threaded connection with the U-shaped plate 40 and the moving block 7;
the third motor 16 can drive the screw rod 17 to rotate, further drive the U-shaped plate 40 and the moving block 7 to horizontally move along the screw rod 17, and adjust the distance between the cleaning brush 8, the first cleaning roller 19 and the drill bit.
The top end of the middle part of the U-shaped plate 40 is fixedly connected with a fourth motor 18, and an output shaft of the fourth motor 18 is in transmission connection with a first cleaning roller 19; the moving block 7 is fixedly connected with a box body 6, the box body 6 is provided with a water spraying mechanism and a moving mechanism 5, the water spraying mechanism comprises a water tank 23 and a cantilever 41, and the water tank 23 is positioned in the box body 6 and is connected with a cleaning agent access 4 through a first conveying pipe 2 and a telescopic pipe 3; the cantilever 41 is fixedly connected to the box body 6, a servo motor 27 connected with a first turntable 28 at the lower part is arranged on the top surface of the end part of the cantilever 41, and a water spray opening 29 is arranged on the first turntable 28; one side of the first rotating disc 28 is connected with the water tank 23 through a second conveying pipe 25, and a liquid pump 24 is arranged on the second conveying pipe 25 and is fixed on the cantilever 41 through a fixing component 26; can carry the sanitizer to water tank 23 through first conveyer pipe 2 in through sanitizer access mouth 4, rethread liquid pump 24 carries the sanitizer to water jet 29 through second conveyer pipe 25, realizes spraying to the drill bit, and servo motor 27 can drive first carousel 28 rotatory, and then drives the rotation of water jet 29, realizes spraying to the different angular position of drill bit.
A moving mechanism 5 is arranged in the box body 6, the moving mechanism 5 is connected with a transmission shaft 42, and two ends of the transmission shaft 42 are respectively connected with a driving motor 43 and a cleaning brush 8; through setting up moving mechanism 5 and connecting transmission shaft 42, moving mechanism 5 drives transmission shaft 42 up-and-down motion and drill bit contact, can make cleaning brush 8 carry out quick cleaning to the drill bit when rotating, has improved the cleaning efficiency of drill bit greatly.
The top end of the machine body 1 is fixedly connected with a fifth motor 22, the output end of the fifth motor 22 penetrates through the top of the machine body 1 and is connected with an electric telescopic rod 21, and the output end of the electric telescopic rod 21 is fixedly connected with a second cleaning roller 20;
a second motor 12 is fixedly connected to the bottom axis of the machine body 1, a wastewater discharge port 9 for discharging water is formed in one side of the second motor 12, an output end of the second motor 12 penetrates through the bottom of the machine body 1 and is connected with a rotating rod 13, and a limiting strip 36 parallel to the rotating rod 13 is arranged on the rotating rod 13; the periphery of the rotating rod 13 is connected with a loop bar 14, and a strip-shaped groove 37 matched with the limiting strip 36 is formed in the loop bar 14;
the second motor 12 drives the rotating rod 13 to rotate, and the limiting strip 36 on the rotating rod 13 is matched with the strip-shaped groove 37 on the loop bar 14, so that the loop bar 14 and the second rotary table 35 are driven to rotate;
a first motor 10 connected with a connecting rod 11 is arranged on one side of the loop bar 14, the connecting rod 11 is connected with a bearing 15 connected to the loop bar 14, and the rotation of the loop bar 14 cannot be influenced by the arrangement of the bearing 15; one end of the loop bar 14 is fixedly connected with a second turntable 35, the second turntable 35 is provided with a plurality of grooves 31 and placing grooves 32 for placing drills, and the placing grooves 32 are positioned between the grooves 31; the placing groove 32 is connected with a plurality of drainage grooves 30, and the drainage grooves 30 pass through the second turntable 35 to be communicated with the inner cavity of the machine body 1; the drainage groove 30 is provided for draining the cleaning agent in the placement groove 32 when the drill bit is washed; an auxiliary fixing frame 38 for fixing the drill bit is arranged above the second rotary table 35; the auxiliary fixing frame 38 comprises a fixing rod 39 matched with the groove 31, a fixing plate 34 connected with the fixing rod 39 and a through groove 33 which is arranged on the fixing plate 34, has the same size with the placing groove 32 and is opposite to the upper part of the placing groove 32;
an auxiliary fixing frame 38 is provided, and a fixing rod 39 is matched with the groove 31 for fixing the drill bit and preventing the drill bit from deviating to influence the cleaning effect.
Through first motor 10 through connecting rod 11 drive bearing 15 reciprocate, and then drive loop bar 14, the reciprocating of second carousel 35, make second carousel 35 and the horizontal position of first cleaning roller 19, the first cleaning roller 19 of being convenient for washs the drill bit.
The two sides of the screw rod 17 are provided with threads with different thread angles, so that the moving block 7 and the U-shaped plate 40 can move in the opposite direction, and the distance between the moving block 7, the U-shaped plate 40 and the drill bit can be manually adjusted through the connecting turnplate.
Wherein the size of the second cleaning roller 20 is slightly smaller than the size of the inner wall of the drill bit; the second cleaning roller 20 can be inserted into the drill bit for cleaning through the fifth motor 22 and the electric telescopic rod 21.
The moving mechanism 5 can adopt a pushing cylinder and a telescopic rod, so that the moving mechanism 5 drives the transmission shaft 42 to move up and down.
The fixing component 26 may be a pipe clamp or other fixing device.
The connecting rod 11 adopts a crank and rocker mechanism, and can drive the loop bar 14 to move up and down.
When the cleaning device is used, a drill bit is placed in the placing groove 32, the auxiliary fixing frame 38 is used for fixing the drill bit, and meanwhile, the first motor 10 is started to lift the loop bar 14 to a position where the drill bit is horizontally flush with the first cleaning roller 19 through the connecting rod 11, and the cleaning device stops working; then, the third motor 16 is started to drive the screw rod 17 to rotate, so that the moving block 7 and the U-shaped plate 40 move towards the drill bit, and when the cleaning brush 8 and the first cleaning roller 19 are in contact with the drill bit, the work is stopped; the drill bit is cleaned through the water spraying mechanism, the cleaning brush 8 and the first cleaning roller 19, finally, the fifth motor 22 is started, the electric telescopic rod 21 is adjusted, the second cleaning roller 20 extends into the interior of the drill bit to be cleaned, and initial setting is recovered when cleaning is completed.
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 (8)
1. The utility model provides a belt cleaning device is used in geological drill production, includes the organism, its characterized in that: two sides of the inner wall of the machine body are rotatably connected with screw rods, and one end of each screw rod is connected with a third motor; the number of the screw rods is two, and the screw rods are horizontally arranged; two sides of the screw rod are respectively connected with a U-shaped plate and a moving block in a sliding manner; the screw rod penetrates through the U-shaped plate and the moving block and is in threaded connection with the U-shaped plate and the moving block;
the moving block is fixedly connected with a box body, a water spraying mechanism and a moving mechanism are arranged on the box body, the water spraying mechanism comprises a water tank and a cantilever, and the water tank is positioned in the box body and is connected with a cleaning agent access opening through a first conveying pipe and a telescopic pipe; the cantilever is fixedly connected to the box body, a servo motor connected with a first rotary table below is arranged on the top surface of the end part of the cantilever, and a water spray nozzle is arranged on the first rotary table; one side of the first rotating disc is connected with the water tank through a second conveying pipe, and a liquid pump is arranged on the second conveying pipe and is fixed on the cantilever through a fixing component;
a moving mechanism is arranged in the box body and connected with a transmission shaft, and a driving motor and a cleaning brush are respectively connected to two ends of the transmission shaft;
a second motor is fixedly connected to the axis of the bottom of the machine body, a wastewater discharge port is formed in one side of the second motor, the output end of the second motor penetrates through the bottom of the machine body and is connected with a rotating rod, and a limiting strip parallel to the rotating rod is arranged on the rotating rod; the periphery of the rotating rod is connected with a loop bar, and a strip-shaped groove matched with the limiting strip is formed in the loop bar;
a first motor connected with a connecting rod is arranged on one side of the loop bar, and the connecting rod is connected with a bearing connected with the loop bar; one end of the loop bar is fixedly connected with a second turntable, a plurality of grooves and placing grooves are formed in the second turntable, and the placing grooves are located among the grooves; the placing groove is connected with a plurality of water draining grooves, and the water draining grooves penetrate through the second rotary disc to be communicated with the inner cavity of the machine body; an auxiliary fixing frame is arranged above the second rotating disc; the auxiliary fixing frame comprises a fixing rod, a fixing plate connected with the fixing rod and a through groove which is arranged on the fixing plate and has the same size as the placing groove.
2. The cleaning device for producing the geological drill according to claim 1, characterized in that: the cleaning machine is characterized in that a fifth motor is fixedly connected to the top end of the machine body, an output end of the fifth motor penetrates through the top of the machine body to be connected with an electric telescopic rod, and an output end of the electric telescopic rod is fixedly connected with a second cleaning roller.
3. The cleaning device for producing the geological drill according to claim 1, characterized in that: the top end of the middle part of the U-shaped plate is fixedly connected with a fourth motor, and an output shaft of the fourth motor is in transmission connection with a first cleaning roller.
4. The cleaning device for producing the geological drill according to claim 1, characterized in that: the through groove is over against the placing groove.
5. The cleaning device for producing the geological drill according to claim 1, characterized in that: the fixed rod is matched with the groove.
6. The cleaning device for producing the geological drill according to claim 1, characterized in that: and threads with different thread angles are adopted on two sides of the screw rod.
7. The cleaning device for producing the geological drill according to claim 1, characterized in that: the size of the second cleaning roller is slightly smaller than the size of the inner wall of the drill bit.
8. The cleaning device for producing the geological drill according to claim 1, characterized in that: the connecting rod adopts a crank rocker mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984967.3A CN112238075A (en) | 2020-09-18 | 2020-09-18 | Cleaning device is used in production of geological drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984967.3A CN112238075A (en) | 2020-09-18 | 2020-09-18 | Cleaning device is used in production of geological drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112238075A true CN112238075A (en) | 2021-01-19 |
Family
ID=74171160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010984967.3A Pending CN112238075A (en) | 2020-09-18 | 2020-09-18 | Cleaning device is used in production of geological drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112238075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833150A (en) * | 2023-08-16 | 2023-10-03 | 台玻悦达汽车玻璃有限公司 | Glass cleaning device for automobile glass production |
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| CN116833150A (en) * | 2023-08-16 | 2023-10-03 | 台玻悦达汽车玻璃有限公司 | Glass cleaning device for automobile glass production |
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Application publication date: 20210119 |