CN113714988A - Rotary turnover synchronous control mechanism - Google Patents
Rotary turnover synchronous control mechanism Download PDFInfo
- Publication number
- CN113714988A CN113714988A CN202110877613.3A CN202110877613A CN113714988A CN 113714988 A CN113714988 A CN 113714988A CN 202110877613 A CN202110877613 A CN 202110877613A CN 113714988 A CN113714988 A CN 113714988A
- Authority
- CN
- China
- Prior art keywords
- adjusting
- frame
- limiting
- overturning
- fixedly connected
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000007306 turnover Effects 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 title abstract description 8
- 238000009434 installation Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
-
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Attitude Control For Articles On Conveyors (AREA)
Abstract
The invention discloses a rotary turnover synchronous control mechanism which comprises a supporting and adjusting device and a rotary turnover mechanism, wherein the rotary turnover mechanism is rotatably connected to the upper end of the supporting and adjusting device, a supporting column is installed in the supporting and adjusting device, the upper end of the supporting column is fixedly connected with a limiting and adjusting frame, a driving rod is rotatably inserted in the supporting column, the driving rod is rotatably inserted in the middle of the limiting and adjusting frame, the bottom end of the supporting column is fixedly connected with a fixed disc, the bottom end of the driving rod is fixedly connected with a driving gear, the limiting and adjusting frame is arranged in an octagonal frustum shape, an adjusting part is installed in each side end of the limiting and adjusting frame, and a second adjusting groove and a first adjusting groove are respectively formed between the two sides of the adjusting part and the limiting and adjusting frame. The turnover mechanism can automatically and synchronously complete turnover of a workpiece in the rotating process, and the turnover frequency can be conveniently and quickly adjusted and controlled.
Description
Technical Field
The invention relates to the technical field of rotary overturning, in particular to a rotary overturning synchronous control mechanism.
Background
The work piece is in the in-process that washs the stoving or spray paint need overturn at the pivoted in-process and is rotated, the device that has used now can not make the synchronous harmonious going on of rotation and upset at the in-process that uses, and can not convenient regulation and control at the number of times and the frequency of the specific upset of rotatory in-process as required, thereby make control and regulation inconvenient, consequently need a device to solve above-mentioned problem urgently, make the work piece can overturn at the pivoted in-process cleaning and drying or the in-process that sprays paint, and the number of times and the upset frequency of upset can convenient and fast adjust and control.
Disclosure of Invention
The present invention is directed to a synchronous control mechanism for rotation and turnover, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rotatory upset synchro control mechanism, includes supports adjusting device and rotates tilting mechanism, it connects in the upper end that supports adjusting device to rotate tilting mechanism, install the support column among the support adjusting device, the spacing regulation frame of upper end fixedly connected with of support column, the inside of support column is rotated and is pegged graft there is the actuating lever, just the actuating lever rotates and pegs graft in the middle part of spacing regulation frame, the bottom fixedly connected with fixed disk of support column, the bottom fixedly connected with drive gear of actuating lever, spacing regulation frame is eight prismoids and sets up, each side internally mounted of spacing regulation frame has the regulating part, second adjustment tank and first adjustment tank have been seted up respectively between the both sides of regulating part and the spacing regulation frame, the dashpot has been seted up between the upper end of regulating part and the spacing regulation frame, install spacing frame, rotation tilting mechanism in the regulating part, The bottom end of the first electric hydraulic push rod is fixedly connected with a connecting fixed plate, the front end of the connecting fixed plate is fixedly connected with an overturning adjusting block, a limiting frame is arranged between the first electric hydraulic push rod and the connecting fixed plate, the bottom end of the first electric hydraulic push rod is inserted in the limiting frame in a sliding manner, the rotating overturning mechanism comprises a rotating driving disk and four overturning parts, the overturning parts are rotatably arranged on the periphery of the rotating driving disk, an installation adjusting frame is arranged in each overturning part, the middle part of one end of the installation adjusting frame is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the installation adjusting frame, is fixedly connected with an installation adjusting plate, and two ends of one side of the installation adjusting plate, far away from the installation adjusting frame, are respectively rotatably provided with a first overturning adjusting rotating shaft and a second overturning adjusting rotating shaft, the utility model discloses a fixing device for fixing a movable table, including installation adjusting frame, fixed table, electronic hydraulic push rod movable mounting of second, the even fixed mounting in both sides of fixed table has the slip cardboard, just slip cardboard slip joint is in the inside of installation adjusting frame, the fixed table's inside is installed a set of centre gripping solid fixed ring, each through the electronic hydraulic push rod movable mounting of four third of fixed mounting in the inside of fixed table in the inside of centre gripping solid fixed ring inside through the electronic hydraulic push rod movable mounting of four third.
Preferably, the rotating shaft is rotatably inserted in the rotating driving disc, and the first overturning adjusting rotating shaft and the second overturning adjusting rotating shaft are located below the limiting adjusting frame.
Preferably, the first overturning adjusting rotating shaft and the second overturning adjusting rotating shaft are matched with the second adjusting groove and the first adjusting groove.
Preferably, the upper end of the limiting frame is fixedly connected to the bottom end of the limiting adjusting frame, and the upper end of the driving rod is fixedly connected with the middle of the rotating driving disc.
Preferably, the distance between the clamping and fixing rings is 8cm, and the inner end faces of the clamping and fixing rings are fixedly inlaid with rubber anti-slip sheets.
Preferably, the upper end and the bottom end of the turnover adjusting block are both in smooth and convex arrangement.
Compared with the prior art, the invention has the following beneficial effects:
this device utilizes the actuating lever to drive the rotation driving-disc that rotates among the tilting mechanism through the drive gear that supports among the adjusting device at the in-process that uses and rotates, thereby the pivoted rotation driving-disc can drive and rotate, and carry out synchronous pivoted in-process upset portion at rotation driving-disc and upset portion and can carry out upset control and regulation after the regulation and the control of regulating part, and make the regulation that corresponds position and quantity to shift down through control and regulation according to the needs that use and stretch out the number of times that can be quick and control upset portion at the frequency of pivoted in-process upset and upset, make and use regulation control convenient.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural diagram of a roll-over control mechanism according to the present invention;
FIG. 3 is a schematic view of the adjusting portion of the present invention;
FIG. 4 is a schematic view of the present invention showing a rotating and flipping mechanism;
fig. 5 is a schematic view of the turning part structure of the present invention.
In the figure: 1-supporting adjusting device, 2-rotating turnover mechanism, 3-buffer tank, 4-second adjusting tank, 5-first adjusting tank, 6-support column, 7-driving gear, 8-fixed disk, 9-adjusting part, 10-limiting adjusting frame, 11-driving rod, 12-limiting frame, 13-first electric hydraulic push rod, 14-connecting fixed plate, 15-turnover adjusting block, 16-rotating driving disk, 17-turnover part, 18-first turnover adjusting rotating shaft, 19-installation adjusting plate, 20-installation adjusting frame, 21-fixed table, 22-clamping fixed ring, 23-sliding clamping plate, 24-rotating shaft and 25-second turnover adjusting rotating shaft.
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.
Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a rotatory upset synchro control mechanism, including supporting adjusting device 1 and rotation tilting mechanism 2, it connects in the upper end that supports adjusting device 1 to rotate tilting mechanism 2, install support column 6 in supporting adjusting device 1, the upper end fixedly connected with spacing regulation frame 10 of support column 6, the inside of support column 6 is rotated and is pegged graft there is actuating lever 11, and actuating lever 11 rotates and pegs graft at the middle part of spacing regulation frame 10, the bottom fixedly connected with fixed disk 8 of support column 6, the bottom fixedly connected with drive gear 7 of actuating lever 11, spacing regulation frame 10 is eight prismoids form setting, each side internally mounted of spacing regulation frame 10 has regulating part 9, second adjustment tank 4 and first adjustment tank 5 have been seted up respectively between the both sides of regulating part 9 and spacing regulation frame 10, buffer slot 3 has been seted up between the upper end of regulating part 9 and spacing regulation frame 10, install spacing 12 in the regulating part 9, The turning mechanism comprises a first electric hydraulic push rod 13, a connecting fixing plate 14 and turning adjusting blocks 15, wherein the bottom end of the first electric hydraulic push rod 13 is fixedly connected with the connecting fixing plate 14, the front end of the connecting fixing plate 14 is fixedly connected with the turning adjusting blocks 15, a limiting frame 12 is arranged between the first electric hydraulic push rod 13 and the connecting fixing plate 14, the bottom end of the first electric hydraulic push rod 13 is inserted in the limiting frame 12 in a sliding mode, the turning mechanism 2 comprises a rotating driving disk 16 and a turning part 17, the turning part 17 is rotatably arranged on the periphery of the rotating driving disk 16, four turning parts 17 are arranged, an installation adjusting frame 20 is arranged in the turning part 17, a rotating shaft 24 is fixedly connected to the middle of one end of the installation adjusting frame 20, an installation adjusting plate 19 is fixedly connected to one end of the rotating shaft 24 far away from the installation adjusting frame 20, a first turning adjusting rotating shaft 18 and a second turning adjusting rotating shaft 25 are respectively rotatably arranged at two ends of one side of the installation adjusting plate 19 far away from the installation adjusting frame 20, the other end of installation adjustment frame 20 is inside to have fixed station 21 through electronic hydraulic push rod slidable mounting of second, can be so that fixed station 21 along installation adjustment frame 20 slidable adjustment through electronic hydraulic push rod of second, thereby can adjust the position of fixing the work piece on fixed station 21, the even fixed mounting in both sides of fixed station 21 has slip cardboard 23, and slip cardboard 23 slip joint is in the inside of installation adjustment frame 20, the fixed ring 22 of a set of centre gripping is installed through electronic hydraulic push rod of third in the inside of fixed station 21, the fixed ring 22's of each centre gripping inside is through four electronic hydraulic push rod movable mounting of third in the inside of fixed station 21 of fixed station movable mounting.
A rotating shaft 24 is rotatably inserted in the rotating driving disk 16, a first overturning adjusting rotating shaft 18 and a second overturning adjusting rotating shaft 25 are positioned below the limiting adjusting frame 10, the first overturning adjusting rotating shaft 18 and the second overturning adjusting rotating shaft 25 are both matched with the second adjusting groove 4 and the first adjusting groove 5, the upper end of the limiting frame 12 is fixedly connected with the bottom end inside the limiting adjusting frame 10, the upper end of the driving rod 11 is fixedly connected with the middle part of the rotating driving disk 16, the space between the clamping and fixing rings 22 is 8cm, rubber anti-slip sheets are fixedly embedded on the inner end surfaces of the clamping and fixing rings 22, the upper end and the bottom end of the overturning adjusting block 15 are both arranged in a smooth and convex shape, the driving disk 16 in the rotating overturning mechanism 2 can be driven to rotate by the driving rod 11 through the driving gear 7 in the supporting and adjusting device 1, and the rotating driving disk 16 can be driven to rotate, and can carry out turnover control and regulation after rotation driving disk 16 and turnover portion 17 carry out synchronous pivoted in-process turnover portion 17 through regulation and control of regulating part 9 to make the regulating part 9 that corresponds position and quantity shift downwards stretch out the number of times and the frequency of upset of regulation and control turnover portion 17 at the pivoted in-process that can be quick through control and regulation according to the needs that use, make to use regulation control convenient.
The working principle is as follows: the device can be fixedly installed through the fixed disk 8 in the using process, the device can be operated by driving the driving gear 7 to rotate through the external driving device, a workpiece is clamped and placed in the middle of the clamping and fixing ring 22 through the external clamping device, because the four clamping and fixing rings 22 are movably installed in the fixed platform 21 through the four third electric hydraulic push rods fixedly installed in the fixed platform 21, the workpiece can be clamped and fixed in the fixed platform 21 by synchronously pushing the four clamping and fixing rings 22 to shrink through the third electric hydraulic push rods, the driving gear 7 rotates to enable the rotating driving disk 16 to synchronously rotate by utilizing the driving rod 11, the rotating driving disk 16 can drive the four overturning parts 17 to synchronously rotate, and therefore the workpiece fixedly installed on the fixed platform 21 in the overturning parts 17 rotates, when the turning part 17 needs to be turned over, the connecting fixing plate 14 is moved downwards only by using the first electric hydraulic push rod 13 in the adjusting part 9, so that the connecting fixing plate 14 moving downwards can drive the turning adjusting block 15 to move downwards, because the upper end and the bottom end of the turning adjusting block 15 are both arranged in a smooth convex shape, when the turning adjusting block 15 moves downwards, the second turning adjusting rotating shaft 25 firstly enters the first adjusting groove 5 through the baffle at the bottom end of the turning adjusting block 15 in the process of the turning part 17 rotating, and then enters the buffer groove 3 in a sliding manner, and at the moment, the first turning adjusting rotating shaft 18 is limited by the bottom end of the turning adjusting block 15 in a sliding manner, rotates through the whole turning part 17 by taking the rotating shaft 24 as an axis, and the second turning adjusting rotating shaft 25 positioned in the buffer groove 3 along with the rotation of the turning part 17 is discharged from the inside of the second adjusting groove 4, because the second adjusting groove 4 and the first adjusting groove 5 are V-shaped facilities, the whole overturning part 17 can automatically overturn 180 degrees after the second overturning adjusting rotating shaft 25 is discharged from the second adjusting groove 4 through the buffer groove 3 after passing through the first adjusting groove 5, the limiting adjusting frame 10 is arranged in an octagonal frustum shape, and the adjusting part 9 is arranged at the bottom end of each side end face of the limiting adjusting frame 10, therefore, the second overturning adjusting rotating shaft 25 can be blocked and overturned only by controlling the downwards displacement and extension quantity of the overturning adjusting block 15 in the adjusting part 9 according to the overturning requirement of the overturning part 17 in the rotating process, the downwards extension quantity of the overturning adjusting block 15 is the overturning quantity of the overturning part 17, and the downwards displacement and extension of the overturning adjusting block 15 in the adjusting part 9 at different positions can be selected, thereby controlling and adjusting the overturning frequency of the overturning part 17 in the rotating process, the turnover device has the advantages that the turnover of the workpiece can be automatically and synchronously completed in the rotating process in the using process, and the turnover frequency can be conveniently and quickly adjusted and controlled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rotatory upset synchro control mechanism, includes support adjusting device (1) and rotation tilting mechanism (2), its characterized in that: the rotary turnover mechanism (2) is rotatably connected to the upper end of the supporting and adjusting device (1), a supporting column (6) is installed in the supporting and adjusting device (1), a limiting and adjusting frame (10) is fixedly connected to the upper end of the supporting column (6), a driving rod (11) is rotatably inserted into the supporting column (6), the driving rod (11) is rotatably inserted into the middle of the limiting and adjusting frame (10), a fixing disc (8) is fixedly connected to the bottom end of the supporting column (6), a driving gear (7) is fixedly connected to the bottom end of the driving rod (11), the limiting and adjusting frame (10) is arranged in an octagonal frustum shape, an adjusting portion (9) is installed inside each side end of the limiting and adjusting frame (10), a second adjusting groove (4) and a first adjusting groove (5) are respectively formed between the two sides of the adjusting portion (9) and the limiting and the adjusting frame (10), a buffer groove (3) is formed between the upper end of the adjusting part (9) and the limiting adjusting frame (10), a limiting frame (12), a first electric hydraulic push rod (13), a connecting fixing plate (14) and an overturning adjusting block (15) are installed in the adjusting part (9), the bottom end of the first electric hydraulic push rod (13) is fixedly connected with the connecting fixing plate (14), the front end of the connecting fixing plate (14) is fixedly connected with the overturning adjusting block (15), the limiting frame (12) is installed between the first electric hydraulic push rod (13) and the connecting fixing plate (14), the bottom end of the first electric hydraulic push rod (13) is slidably inserted into the limiting frame (12), the rotating overturning mechanism (2) comprises a rotating driving disk (16) and an overturning part (17), and the overturning part (17) is rotatably installed around the rotating driving disk (16), and the number of the turnover parts (17) is four, the installation adjusting frame (20) is installed in the turnover parts (17), a rotating shaft (24) is fixedly connected to the middle of one end of the installation adjusting frame (20), an installation adjusting plate (19) is fixedly connected to one end, far away from the installation adjusting frame (20), of the rotating shaft (24), a first turnover adjusting rotating shaft (18) and a second turnover adjusting rotating shaft (25) are respectively rotatably installed at two ends of one side, far away from the installation adjusting frame (20), of the installation adjusting plate (19), a fixed table (21) is slidably installed inside the other end of the installation adjusting frame (20) through a second electric hydraulic push rod, sliding clamp plates (23) are uniformly and fixedly installed at two sides of the fixed table (21), the sliding clamp plates (23) are slidably clamped inside the installation adjusting frame (20), and a group of clamping fixing rings (22) is installed inside the fixed table (21) through a third electric hydraulic push rod, the interior of each clamping and fixing ring (22) is movably arranged in the fixed table (21) through four third electric hydraulic push rods fixedly arranged in the fixed table (21).
2. A rotary-tumbling synchronizing control mechanism as claimed in claim 1, wherein: the rotating shaft (24) is rotatably inserted in the rotating driving disc (16), and the first overturning adjusting rotating shaft (18) and the second overturning adjusting rotating shaft (25) are positioned below the limiting adjusting frame (10).
3. A rotary-tumbling synchronizing control mechanism as claimed in claim 1, wherein: the first overturning adjusting rotating shaft (18) and the second overturning adjusting rotating shaft (25) are matched with the second adjusting groove (4) and the first adjusting groove (5).
4. A rotary-tumbling synchronizing control mechanism as claimed in claim 1, wherein: the upper end of the limiting frame (12) is fixedly connected to the bottom end of the limiting adjusting frame (10), and the upper end of the driving rod (11) is fixedly connected with the middle of the rotating driving disk (16).
5. A rotary-tumbling synchronizing control mechanism as claimed in claim 1, wherein: the distance between the clamping and fixing rings (22) is 8cm, and rubber anti-slip sheets are fixedly embedded in the inner end faces of the clamping and fixing rings (22).
6. A rotary-tumbling synchronizing control mechanism as claimed in claim 1, wherein: the upper end and the bottom end of the turning adjusting block (15) are both in smooth and convex arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877613.3A CN113714988A (en) | 2021-08-01 | 2021-08-01 | Rotary turnover synchronous control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877613.3A CN113714988A (en) | 2021-08-01 | 2021-08-01 | Rotary turnover synchronous control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113714988A true CN113714988A (en) | 2021-11-30 |
Family
ID=78674654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110877613.3A Pending CN113714988A (en) | 2021-08-01 | 2021-08-01 | Rotary turnover synchronous control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113714988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522607A (en) * | 2022-02-26 | 2022-05-24 | 安徽联化新材料有限公司 | Dosing unit of propyl acrylate production usefulness |
| CN115464186A (en) * | 2022-08-20 | 2022-12-13 | 广州艾玛压缩机有限公司 | Air compressor's high-efficient pneumatic valve board processing unit |
-
2021
- 2021-08-01 CN CN202110877613.3A patent/CN113714988A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522607A (en) * | 2022-02-26 | 2022-05-24 | 安徽联化新材料有限公司 | Dosing unit of propyl acrylate production usefulness |
| CN115464186A (en) * | 2022-08-20 | 2022-12-13 | 广州艾玛压缩机有限公司 | Air compressor's high-efficient pneumatic valve board processing unit |
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| PB01 | Publication | ||
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Application publication date: 20211130 |