CN110523552B - High-efficient quick powder device that trades of two powder section of thick bamboo - Google Patents
High-efficient quick powder device that trades of two powder section of thick bamboo Download PDFInfo
- Publication number
- CN110523552B CN110523552B CN201810498347.1A CN201810498347A CN110523552B CN 110523552 B CN110523552 B CN 110523552B CN 201810498347 A CN201810498347 A CN 201810498347A CN 110523552 B CN110523552 B CN 110523552B
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- Prior art keywords
- powder
- fixedly connected
- thick bamboo
- section
- cylinder
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Links
- 239000000843 powder Substances 0.000 title claims abstract description 165
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims description 28
- 235000017491 Bambusa tulda Nutrition 0.000 title claims description 28
- 241001330002 Bambuseae Species 0.000 title claims description 28
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims description 28
- 239000011425 bamboo Substances 0.000 title claims description 28
- 238000007789 sealing Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000004482 other powder Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a double-powder-cylinder high-efficiency quick powder changing device, which belongs to the field of electrostatic powder spraying, and comprises a mechanical base, wherein the upper end of the mechanical base is fixedly connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a supporting plate, the lower end of the supporting plate is fixedly connected with a powder suction pump and a pair of first motors, the pair of first motors are respectively positioned at the left side and the right side of the powder suction pump, an elastic hose is connected onto the powder suction pump in a threaded manner, the lower end of the elastic hose is fixedly connected with a hard round tube, the lower end of the supporting plate is fixedly connected with a fixed rod, the lower end of the fixed rod is fixedly connected with a forward and reverse rotation motor, the rotation end of the forward and reverse rotation motor is fixedly connected with a gear, the upper end of the mechanical base is provided with a chute, and the upper side of the chute is provided with the first powder cylinder and the second powder cylinder.
Description
Technical Field
The invention relates to the field of electrostatic powder spraying, in particular to a double-powder-cylinder efficient and rapid powder changing device.
Background
The powder spraying is to spray powder coating on the surface of a workpiece by using powder spraying equipment (an electrostatic spraying machine), and the powder can be uniformly adsorbed on the surface of the workpiece under the action of static electricity to form a powdery coating; the powder coating is baked, leveled and solidified at high temperature to become a final coating with different effects (different types of effects of the powder coating); the spraying effect of powder spraying is superior to that of spraying technology in mechanical strength, adhesive force, corrosion resistance, ageing resistance and the like, and the cost is lower than that of spraying with the same effect.
Under the general condition, the powder changing mode needs to adopt manual operation to remove the powder cylinder after the spraying is finished, the contact part of the related parts and the powder is cleaned, and after the cleaning is finished, the powder is added, so that the spraying work can be continued, the powder changing mode influences the continuous powder spraying process, and the problem of low powder switching efficiency exists.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a double-powder-cylinder high-efficiency quick powder changing device, which is characterized in that two powder cylinders are arranged, one powder cylinder is used for spraying, and the other powder cylinder is used for cleaning and adding powder, so that the powder changing efficiency is greatly improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The high-efficiency and quick powder changing device with double powder barrels comprises a mechanical base, wherein the upper end of the mechanical base is fixedly connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a supporting plate, the lower end of the supporting plate is fixedly connected with a powder sucking pump and a pair of first motors, the pair of first motors are respectively positioned at the left side and the right side of the powder sucking pump, the powder sucking pump is connected with an elastic hose in a threaded manner, the lower end of the elastic hose is fixedly connected with a hard round pipe, the lower end of the supporting plate is fixedly connected with a fixing rod, the lower end of the fixing rod is fixedly connected with a positive and negative rotation motor, the rotating end of the positive and negative rotation motor is fixedly connected with a gear, the side end of the hard round pipe, close to the gear, of the hard round pipe is fixedly connected with a plurality of tooth blocks, the tooth blocks are uniformly distributed on the hard round pipe and meshed with the gear, the rotating end of the first motor is fixedly connected with an electric push rod, the electric push rod lower extreme fixedly connected with cleans the cask, clean sponge piece has been cup jointed to clean cask outer end, mechanical base upper end has been excavated the spout, be equipped with a plurality of dwells in the spout, a plurality of dwang both ends are all rotated and are connected on the inside wall of spout, the spout upside is equipped with first powder section of thick bamboo and second powder section of thick bamboo, first powder section of thick bamboo is located second powder section of thick bamboo left side, and first powder section of thick bamboo and second powder section of thick bamboo lower extreme all offset with the dwang, first powder section of thick bamboo and second powder section of thick bamboo upper end all are covered and are equipped with sealed lid, the through-hole has been excavated on the sealed lid, and through-hole and stereoplasm pipe lower extreme assorted, joint has the buckle between first powder section of thick bamboo and the second powder section of thick bamboo, the one end that buckle was kept away from to first powder section of thick bamboo and second powder section of thick bamboo is all fixedly connected with string, string runs through the bracing piece and fixedly connected with handle through setting up two powder section of thick bamboo, when one powder cylinder is used for spraying, the other powder cylinder is subjected to cleaning and powder adding, so that the powder changing efficiency is greatly improved.
Further, a plurality of arc grooves are formed in the lower ends of the first powder cylinder and the second powder cylinder, the arc grooves are matched with the upper ends of a plurality of rotating rods respectively, and the upper ends of the rotating rods are located in the arc grooves to stabilize the first powder cylinder and the second powder cylinder.
Further, the rubber sleeves are fixedly connected to the surfaces of the two rotating rods close to the supporting rods, so that the first powder cylinder or the second powder cylinder is not easy to slide in the powder changing process.
Further, one end of the first powder cylinder and one end of the second powder cylinder, which are close to the supporting rod, are fixedly connected with rubber pads, and buffer force of the first powder cylinder and the second powder cylinder when the first powder cylinder and the second powder cylinder are in contact with the supporting rod is increased.
Further, the through hole department is equipped with the sealing rubber ring, sealing rubber ring and through-hole inner wall joint, sealing rubber ring inner end fixedly connected with a plurality of soft teeth, a plurality of soft teeth evenly arrange on the sealing rubber ring, after the stereoplasm pipe runs through the through-hole, sealing rubber ring and soft tooth play better sealed effect.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, by arranging the two powder drums, when one powder drum is used for spraying, the other powder drum is cleaned and added with powder, so that the powder changing efficiency is greatly improved.
(2) The lower ends of the first powder cylinder and the second powder cylinder are respectively provided with a plurality of arc grooves which are respectively matched with the upper ends of a plurality of rotating rods, and the upper ends of the rotating rods are positioned in the arc grooves to stabilize the first powder cylinder and the second powder cylinder.
(3) The rubber sleeves are fixedly connected to the surfaces of the two rotating rods close to the supporting rods, so that the first powder cylinder or the second powder cylinder is not easy to slide in the powder changing process.
(4) One end of the first powder cylinder and one end of the second powder cylinder, which are close to the supporting rod, are fixedly connected with rubber pads, and buffer force of the first powder cylinder and the second powder cylinder when the first powder cylinder and the second powder cylinder are in contact with the supporting rod is increased.
(5) The through hole department is equipped with sealing rubber ring, sealing rubber ring and through-hole inner wall joint, sealing rubber ring inner end fixedly connected with a plurality of soft teeth, and a plurality of soft teeth evenly arrange on sealing rubber ring, and after the stereoplasm pipe runs through the through-hole, sealing rubber ring and soft tooth play better sealed effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of the gear of the present invention;
FIG. 4 is a schematic view of the structure of the sealing rubber ring of the present invention.
The reference numerals in the figures illustrate:
1 mechanical base, 2 supporting rods, 3 supporting plates, 4 sliding grooves, 5 rotating rods, 6 first powder cylinders, 7 second powder cylinders, 8 buckles, 9 electric push rods, 10 first motors, 11 powder suction pumps, 12 elastic hoses, 13 hard round tubes, 14 sealing covers, 15 strings, 16 handles, 17 cleaning sponge blocks, 18 cleaning round barrels, 19 gears, 20 gear blocks, 21 fixing rods, 22 forward and reverse rotating motors, 23 arc-shaped grooves, 24 soft teeth and 25 sealing rubber rings.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1-4, a high-efficiency and rapid powder changing device for double powder barrels comprises a mechanical base 1, wherein the upper end of the mechanical base 1 is fixedly connected with a supporting rod 2, the upper end of the supporting rod 2 is fixedly connected with a supporting plate 3, the lower end of the supporting plate 3 is fixedly connected with a powder suction pump 11 and a pair of first motors 10, the pair of first motors 10 are respectively positioned at the left side and the right side of the powder suction pump 11, an elastic hose 12 is connected on the powder suction pump 11 in a threaded manner, the lower end of the elastic hose 12 is fixedly connected with a hard circular tube 13, the lower end of the supporting plate 3 is fixedly connected with a fixing rod 21, the lower end of the fixing rod 21 is fixedly connected with a forward and backward rotation motor 22, the rotation end of the forward and backward rotation motor 22 is fixedly connected with a gear 19, the side end of the hard circular tube 13 close to the gear 19 is fixedly connected with a plurality of tooth blocks 20, the tooth blocks 20 are uniformly distributed on the hard circular tube 13 and meshed with the gear 19, the rotating end of the first motor 10 is fixedly connected with an electric push rod 9, the lower end of the electric push rod 9 is fixedly connected with a cleaning barrel 18, the outer end of the cleaning barrel 18 is sleeved with a cleaning sponge block 17, the upper end of the mechanical base 1 is provided with a chute 4, a plurality of rotating rods 5 are arranged in the chute 4, two ends of the rotating rods 5 are all rotationally connected on the inner side wall of the chute 4, the upper side of the chute 4 is provided with a first powder cylinder 6 and a second powder cylinder 7, the first powder cylinder 6 is positioned on the left side of the second powder cylinder 7, the lower ends of the first powder cylinder 6 and the second powder cylinder 7 are propped against the rotating rods 5, the upper ends of the first powder cylinder 6 and the second powder cylinder 7 are respectively covered with a sealing cover 14, a through hole is formed in the sealing cover 14, the through hole is matched with the lower end of the hard round tube 13, a sealing rubber ring 25 is arranged at the through hole, the sealing rubber ring 25 is clamped with the inner wall of the through hole, the inner end of the sealing rubber ring 25 is fixedly connected with a plurality of soft teeth 24, the soft teeth 24 are uniformly distributed on the sealing rubber ring 25, after the hard round tube 13 penetrates through the through hole, the sealing rubber ring 25 and the soft teeth 24 have better sealing effect, the clamping buckle 8 is clamped between the first powder cylinder 6 and the second powder cylinder 7, one end, far away from the clamping buckle 8, of the first powder cylinder 6 and the second powder cylinder 7 is fixedly connected with the thin rope 15, the thin rope 15 penetrates through the supporting rod 2 and is fixedly connected with the handle 16, the first powder cylinder 6 and the second powder cylinder 7 are made of transparent materials, a plurality of arc grooves 23 are formed in the lower ends of the first powder cylinder 6 and the second powder cylinder 7, the arc grooves 23 are respectively matched with the upper ends of the rotating rods 5, the upper ends of the rotating rods 5 are positioned in the arc grooves 23, the first powder cylinder 6 and the second powder cylinder 7 are firmly clamped, rubber sleeves are fixedly connected to the surfaces of the two rotating rods 5 close to the supporting rod 2, the first powder cylinder 6 or the second powder cylinder 7 cannot slide easily in the powder changing process, and the cleaning efficiency of one powder cylinder is improved and the other powder cylinder is greatly changed.
One end of the first powder cylinder 6 and one end of the second powder cylinder 7, which are close to the supporting rod 2, are fixedly connected with rubber pads, and buffer force when the first powder cylinder 6 and the second powder cylinder 7 are in contact with the supporting rod 2 is increased.
When the worker observes that powder spraying in the first powder cylinder 6 is finished, the forward and reverse rotation motor 22 is started in the forward direction, the gear 19 is driven by the forward and reverse rotation motor 22 to rotate clockwise, the gear 19 drives the hard round tube 13 to move upwards, when the lower end of the hard round tube 13 moves to the upper side of the sealing cover 14, the forward and reverse rotation motor 22 is closed, the handle 16 is held to pull the string 15 leftwards, the first powder cylinder 6 moves leftwards together with the second powder cylinder 7, in the process of moving the first powder cylinder 6 and the second powder cylinder 7, friction force enables the rotating rod 5 to rotate all the time, the upper end of the rotating rod 5 is matched with the arc-shaped groove 23, the surfaces of the two rotating rods 5 close to the supporting rod 2 are fixedly connected with rubber sleeves, so that the first powder cylinder 6 moves to the leftmost side and then the powder exchanging process is not easy to slide, the sealing cover 14 is removed, at this moment, the reverse starting forward and reverse rotation motor 22, the first motor 10 and the electric push rod 9 are opened, the forward and reverse rotation motor 22 drives the gear 19 to rotate anticlockwise, the hard round tube 13 moves downwards to penetrate through the through holes, the suction pump 11 starts to suck powder, the electric push rod 9 rotates one side to rotate, the electric push rod 9 to extend downwards, the first powder cylinder 17 to enter the first powder cylinder 6 to the second powder cylinder 6, the cleaning cylinder 6 is cleaned by the cleaning cylinder is finished, the cleaning efficiency is improved, after the cleaning of the first powder cylinder is finished, the cleaning powder is finished, and after the powder is finished, the cleaning and the powder is finished, and the powder is repeatedly cleaned, and the powder is sprayed in the cleaning and the powder is finished.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (5)
1. The utility model provides a high-efficient quick powder device that trades of two powder section of thick bamboo, includes mechanical base (1), its characterized in that: the utility model discloses a cleaning device, including mechanical base (1), supporting rod (2) upper end fixedly connected with backup pad (3), backup pad (3) lower extreme fixedly connected with inhale powder pump (11) and a pair of first motor (10), and a pair of first motor (10) are located respectively and inhale powder pump (11) left and right sides, inhale powder pump (11) upper thread connection has elastic tube (12), elastic tube (12) lower extreme fixedly connected with stereoplasm pipe (13), backup pad (3) lower extreme fixedly connected with dead lever (21), dead lever (21) lower extreme fixedly connected with positive and negative rotation motor (22), the rotation end fixedly connected with gear (19) of positive and negative rotation motor (22), the side fixedly connected with a plurality of tooth pieces (20) of stereoplasm pipe (13) are close to gear (19), a plurality of tooth pieces (20) evenly arrange on stereoplasm pipe (13), and stereoplasm pipe (13) mesh with gear (19), electric motor (10) lower extreme fixedly connected with dead lever (21), electric motor (9) lower extreme fixedly connected with positive and negative rotation motor (22), cleaning device (18) are connected with cleaning barrel (18), be equipped with a plurality of dwells (5) in spout (4), a plurality of dwells (5) both ends all rotate and connect on the inside wall of spout (4), spout (4) upside is equipped with first powder section of thick bamboo (6) and second powder section of thick bamboo (7), first powder section of thick bamboo (6) are located second powder section of thick bamboo (7) left side, and first powder section of thick bamboo (6) and second powder section of thick bamboo (7) lower extreme all offset with dwells (5), first powder section of thick bamboo (6) and second powder section of thick bamboo (7) upper end all are covered and are equipped with sealed lid (14), the excavation has the through-hole on sealed lid (14), and through-hole and stereoplasm pipe (13) lower extreme phase-match, the joint has buckle (8) between first powder section of thick bamboo (6) and the second powder section of thick bamboo (7), the one end that buckle (8) were kept away from to first powder section of thick bamboo (6) and second powder section of thick bamboo (7) is all fixedly connected with string (15), string (15) run through bracing piece (2) and fixedly connected with hand (16).
2. The efficient and rapid powder changing device for the double powder barrels according to claim 1 is characterized in that: a plurality of arc-shaped grooves (23) are formed in the lower ends of the first powder cylinder (6) and the second powder cylinder (7), and the arc-shaped grooves (23) are matched with the upper ends of the rotating rods (5) respectively.
3. The efficient and rapid powder changing device for the double powder barrels according to claim 2 is characterized in that: rubber sleeves are fixedly connected to the surfaces of the two rotating rods (5) close to the supporting rods (2).
4. The efficient and rapid powder changing device for the double powder barrels according to claim 1 is characterized in that: rubber pads are fixedly connected to one ends, close to the supporting rods (2), of the first powder cylinder (6) and the second powder cylinder (7).
5. The efficient and rapid powder changing device for the double powder barrels according to claim 1 is characterized in that: the through hole is provided with a sealing rubber ring (25), the sealing rubber ring (25) is clamped with the inner wall of the through hole, a plurality of soft teeth (24) are fixedly connected to the inner end of the sealing rubber ring (25), and the soft teeth (24) are uniformly distributed on the sealing rubber ring (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810498347.1A CN110523552B (en) | 2018-05-23 | 2018-05-23 | High-efficient quick powder device that trades of two powder section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810498347.1A CN110523552B (en) | 2018-05-23 | 2018-05-23 | High-efficient quick powder device that trades of two powder section of thick bamboo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110523552A CN110523552A (en) | 2019-12-03 |
| CN110523552B true CN110523552B (en) | 2024-01-30 |
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ID=68656347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810498347.1A Active CN110523552B (en) | 2018-05-23 | 2018-05-23 | High-efficient quick powder device that trades of two powder section of thick bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110523552B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2859397A1 (en) * | 2003-09-10 | 2005-03-11 | Eisenmann France Sarl | Powder supply plant for e.g. room painting installation, has two air blast nozzles for cleaning interior and exterior of suction tubes, respectively and placed below support at vertical direction of tubes |
| WO2009051039A1 (en) * | 2007-10-16 | 2009-04-23 | Honda Motor Co., Ltd. | Electrostatic painting method, and apparatus therefor |
| EP2374546A1 (en) * | 2010-04-12 | 2011-10-12 | Nordson Corporation | Powder supply system and method for colour change in a powder supply system |
| CN106456821A (en) * | 2014-06-20 | 2017-02-22 | 宝洁公司 | Microfluidic delivery system |
| WO2017028701A1 (en) * | 2015-08-17 | 2017-02-23 | 临朐远宏金属制品有限公司 | Powder feeding center capable of automatically cleaning |
| CN108014937A (en) * | 2016-11-04 | 2018-05-11 | 天津市德通制罐有限公司 | Spraying equipment |
| CN208494622U (en) * | 2018-05-23 | 2019-02-15 | 苏州市亘晟涂装工程有限公司 | A kind of efficiently fast quick change powder device of double powder drums |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3406348B1 (en) * | 2014-04-07 | 2022-05-04 | Nordson Corporation | Feed center for dense phase system |
-
2018
- 2018-05-23 CN CN201810498347.1A patent/CN110523552B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2859397A1 (en) * | 2003-09-10 | 2005-03-11 | Eisenmann France Sarl | Powder supply plant for e.g. room painting installation, has two air blast nozzles for cleaning interior and exterior of suction tubes, respectively and placed below support at vertical direction of tubes |
| WO2009051039A1 (en) * | 2007-10-16 | 2009-04-23 | Honda Motor Co., Ltd. | Electrostatic painting method, and apparatus therefor |
| EP2374546A1 (en) * | 2010-04-12 | 2011-10-12 | Nordson Corporation | Powder supply system and method for colour change in a powder supply system |
| CN106456821A (en) * | 2014-06-20 | 2017-02-22 | 宝洁公司 | Microfluidic delivery system |
| WO2017028701A1 (en) * | 2015-08-17 | 2017-02-23 | 临朐远宏金属制品有限公司 | Powder feeding center capable of automatically cleaning |
| CN108014937A (en) * | 2016-11-04 | 2018-05-11 | 天津市德通制罐有限公司 | Spraying equipment |
| CN208494622U (en) * | 2018-05-23 | 2019-02-15 | 苏州市亘晟涂装工程有限公司 | A kind of efficiently fast quick change powder device of double powder drums |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110523552A (en) | 2019-12-03 |
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