CN212370458U - Spraying device is used in soundproof door production and processing - Google Patents
Spraying device is used in soundproof door production and processing Download PDFInfo
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- CN212370458U CN212370458U CN202020200066.6U CN202020200066U CN212370458U CN 212370458 U CN212370458 U CN 212370458U CN 202020200066 U CN202020200066 U CN 202020200066U CN 212370458 U CN212370458 U CN 212370458U
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- Prior art keywords
- motor
- soundproof door
- lead screw
- processing
- device body
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- Expired - Fee Related
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- 238000005507 spraying Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 239000010902 straw Substances 0.000 claims abstract 3
- 239000007921 spray Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a spraying device is used in soundproof door production and processing, including the device body, second motor and straw, the inside wall of the device body is provided with first motor, be provided with first removal frame on the first lead screw, the second motor sets up on the inside wall of the device body, it removes the frame to be provided with the second on the second lead screw, be provided with the third motor in the supporting shell, it is connected with the connecting rod through the hold-in range to rotate the wheel, the internal top of device body rotates and is connected with splint, and the splint of lower extreme are connected with the third pivot, the third pivot is connected with the fourth motor, and the fourth motor is connected with the upper end of second hydraulic telescoping rod. This spraying device is used in soundproof door production and processing, the first fan of accessible heating device cooperation carries out drying process to the soundproof door after the spraying for the spraying efficiency of soundproof door, and be provided with the baffle in the heating device, the extension is to gaseous heat time, reinforcing drying effect.
Description
Technical Field
The utility model relates to a soundproof door produces relevant technical field, specifically is a spraying device is used in soundproof door production and processing.
Background
Soundproof door mainly used high syllable-dividing requires the place to play syllable-dividing effect, the door leaf shaping mainly uses novel galvanized steel sheet, inside adopts the acoustic material of specialty, the damping acoustic celotex board, soundproof cotton etc. do the filler that gives sound insulation, in soundproof door's production and processing, need carry out spraying anti rust cleaning to soundproof door surface, traditional soundproof door spraying carries out the spraying through the manual work, the spraying is inefficient, and the waste gas that the spraying process produced is harmful to the human body, and common soundproof door for the production and processing spraying device can not carry out drying process to the soundproof door after the spraying processing, machining efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spraying device is used in soundproof door production and processing to solve the traditional soundproof door spraying that proposes in the above-mentioned background art and carry out the spraying through the manual work, the spraying is inefficient, and the waste gas that the spraying process produced is harmful to the human body, and common spraying device is used in soundproof door production and processing can not carry out drying process to the soundproof door after the spraying processing, problem that machining efficiency is low.
In order to achieve the above object, the utility model provides a following technical scheme: a spraying device for producing and processing a soundproof door comprises a device body, a second motor and a suction pipe, wherein the inner side wall of the device body is provided with the first motor, the first motor is connected with a first rotating shaft, the upper end of the first rotating shaft penetrates through a first bracket and is connected with a first screw rod, the first screw rod is rotatably connected with the inner side wall of the first bracket, meanwhile, the first bracket is arranged on the inner right side wall of the device body, the first screw rod is provided with a first moving frame, the first moving frame is provided with a first spray pipe, the second motor is arranged on the inner side wall of the device body, the second motor is connected with a second rotating shaft, the upper end of the second rotating shaft penetrates through a second bracket and is connected with a second screw rod, the second screw rod is rotatably connected with the inner side wall of the second bracket, meanwhile, the second bracket is arranged on the inner left side wall of the device body, the second screw rod is provided with a second moving frame, a first hydraulic telescopic rod is arranged on the second movable frame, a support shell is arranged at the right end of the first hydraulic telescopic rod, a heating device is arranged on the outer side of the support shell, the heating device is connected with a first fan, a third motor is arranged in the support shell and is connected with a rotating wheel, the rotating wheel is connected with a connecting rod through a synchronous belt, the connecting rod penetrates through the inner right side wall of the support shell and is connected with a cleaning brush, the suction pipe is communicated with the upper end surface of the device body and is connected with a second fan, the second fan is arranged on the device body and is communicated with a treatment box, the treatment box is arranged on the upper surface of the device body, a clamping plate is rotatably connected at the inner top end of the device body, the clamping plate at the lower end is connected with a third rotating shaft, and the third rotating shaft is connected with a fourth motor, and the fourth motor is connected with the upper end of the second hydraulic telescopic rod, and the second hydraulic telescopic rod is arranged at the inner bottom of the device body.
Preferably, the first motor, the first rotating shaft and the first lead screw form a rotating mechanism, and the first moving frame arranged on the first lead screw is in sliding connection with the first support.
Preferably, the second motor, the second rotating shaft and the second screw rod form a rotating mechanism, and the second moving frame arranged on the second screw rod is in sliding connection with the second support.
Preferably, the first hydraulic telescopic rod and the support shell form a telescopic mechanism, and heating devices are arranged on the upper side and the lower side of the support shell.
Preferably, the heating device comprises a partition plate, a heating element and a second spray pipe, the partition plate and the heating element are arranged in the heating device, and the second spray pipe is arranged on the right side of the heating device.
Preferably, the third motor, the rotating wheel, the synchronous belt and the connecting rod form a rotating mechanism.
Preferably, handle the case including connecting pipe, first processing box and second processing box, and handle and be provided with the connecting pipe on the case, connecting pipe one end is run through and is handled case upper surface and first processing box and be linked together, and just first processing box sets up on the inside wall of handling the case, handles the case upper surface simultaneously and is provided with the second and handles the box, handles the case and is linked together through connecting pipe and second fan.
Preferably, the splint comprises a protective pad, and the protective pad is arranged on the inner side surface of the splint.
Preferably, the second hydraulic telescopic rod and the fourth motor form a telescopic mechanism, and the fourth motor and the third rotating shaft form a rotating mechanism.
Compared with the prior art, the beneficial effects of the utility model are that: the spraying device for the production and processing of the soundproof door,
(1) under the action of the second hydraulic telescopic rod, the soundproof door is clamped and fixed through the clamping plate, the arranged protection pad can play a role in protecting the clamping surface of the soundproof door, and meanwhile, under the action of the fourth motor, the soundproof door is convenient to rotate and spray;
(2) under the action of the first hydraulic telescopic rod, the cleaning brush is in contact with the soundproof door, the cleaning brush is driven to clean the surface of the soundproof door under the action of the third motor, and the soundproof door is swept under the action of the first fan, so that the cleanliness of the surface of the soundproof door is improved, and the influence of impurities on the surface spraying quality of the soundproof door is avoided;
(3) the surface of the soundproof door is sprayed through the first spray pipe, and the first screw rod is driven to rotate through the first rotating shaft under the action of the first motor, so that the first spray pipe moves on the first screw rod to spray and feed the soundproof door;
(4) after the soundproof door is sprayed, the heating device is matched with the first fan to dry the sprayed soundproof door, so that the spraying efficiency of the soundproof door is improved, and the partition plate is arranged in the heating device, so that the heating time of gas is prolonged, and the drying effect is enhanced;
(5) waste gas generated by spraying is sucked into the treatment box through the suction pipe under the action of the second fan, is filtered through the filter screen in the first treatment box, the filtered waste gas is discharged from the second treatment box after being filtered by water in the treatment box, and the activated carbon adsorption net is arranged in the second treatment box, so that discharged gas can be adsorbed and filtered again, and the pollution of the discharged gas to the environment is reduced.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic diagram of the right side sectional structure of the treatment tank of the present invention;
FIG. 4 is a schematic diagram of a right side sectional view of the first and second process cartridges of the present invention;
fig. 5 is a schematic top view of a cross-sectional structure of the support housing of the present invention;
FIG. 6 is a schematic top view of the cross-sectional structure of the heating device of the present invention;
fig. 7 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. the device comprises a device body, 2, a first motor, 3, a first rotating shaft, 4, a first support, 5, a first lead screw, 6, a first moving frame, 7, a first spray pipe, 8, a second motor, 9, a second rotating shaft, 10, a second support, 11, a second lead screw, 12, a second moving frame, 13, a first hydraulic telescopic rod, 14, a supporting shell, 15, a heating device, 1501, a partition plate, 1502, a heating element, 1503, a second spray pipe, 16, a first fan, 17, a third motor, 18, a rotating wheel, 19, a synchronous belt, 20, a connecting rod, 21, a cleaning brush, 22, a suction pipe, 23, a second fan, 24, a processing box, 2401, a connecting pipe, 2402, a first processing box, 2403, a second processing box, 25, a clamping plate, 2501, a protective pad, 26, a third rotating shaft, 27, a fourth motor, 28 and a second hydraulic telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a spraying device for producing and processing a soundproof door is disclosed, as shown in figure 1, a first motor 2 is arranged on the inner side wall of a device body 1, the first motor 2 is connected with a first rotating shaft 3, the first motor 2, the first rotating shaft 3 and a first lead screw 5 form a rotating mechanism, a first moving frame 6 arranged on the first lead screw 5 is connected with a first support 4 in a sliding manner, the first motor 2 drives the first lead screw 5 to rotate through the first rotating shaft 3, so that the first moving frame 6 moves on the first lead screw 5, a first spraying pipe 7 is convenient to spray and feed, the upper end of the first rotating shaft 3 penetrates through the first support 4 and is connected with the first lead screw 5, the first lead screw 5 is rotatably connected on the inner side wall of the first support 4, meanwhile, the first support 4 is arranged on the inner right side wall of the device body 1, the first moving frame 6 is arranged on the first lead screw 5, and the first moving frame 6 is provided with the first spraying pipe 7, the second motor 8 is arranged on the inner side wall of the device body 1, the second motor 8 is connected with the second rotating shaft 9, the second motor 8, the second rotating shaft 9 and the second lead screw 11 form a rotating mechanism, a second moving frame 12 arranged on the second lead screw 11 is in sliding connection with a second support 10, the second motor 8 drives the second lead screw 11 to rotate through the second rotating shaft 9, so that the second moving frame 12 moves on the second lead screw 11 to clean the surface of the soundproof door conveniently, the upper end of the second rotating shaft 9 penetrates through the second support 10 to be connected with the second lead screw 11, the second lead screw 11 is rotatably connected with the inner side wall of the second support 10, meanwhile, the second support 10 is arranged on the inner left side wall of the device body 1, the second lead screw 11 is provided with the second moving frame 12, the second moving frame 12 is provided with a first hydraulic telescopic rod 13, the first hydraulic telescopic rod 13 and the support shell 14 form a telescopic mechanism, and the upper and lower both sides of support housing 14 all are provided with heating device 15, push support housing 14 under the effect of first hydraulic telescoping rod 13 for cleaning brush 21 and soundproof door contact.
As shown in fig. 1, 5, 6 and 7, a support housing 14 is arranged at the right end of the first hydraulic telescopic rod 13, a heating device 15 is arranged at the outer side of the support housing 14, the heating device 15 is connected with a first fan 16, the heating device 15 comprises a partition plate 1501, a heating element 1502 and a second spray pipe 1503, a partition plate 1501 and a heating element 1502 are arranged in the heating device 15, the second spray pipe 1503 is arranged at the right side of the heating device 15, the partition plate 1501 prolongs the time of adding the gas into the device 15, so that the gas is sufficiently heated, the drying effect is improved, a third motor 17 is arranged in the support housing 14, the third motor 17 is connected with a rotating wheel 18, the third motor 17, the rotating wheel 18, a synchronous belt 19 and a connecting rod 20 form a rotating mechanism, the third motor 17 drives the connecting rod 20 to rotate through the rotating wheel 18 and the synchronous belt 19, and cleans the surface of the soundproof door through driving a cleaning brush, the rotating wheel 18 is connected with a connecting rod 20 through a synchronous belt 19, and the connecting rod 20 penetrates through the inner right side wall of the supporting shell 14 to be connected with a cleaning brush 21.
As shown in fig. 1, 2, 3 and 4, the suction pipe 22 is communicated with the upper end surface of the device body 1, the suction pipe 22 is connected with the second blower 23, the second blower 23 is disposed on the device body 1, the second blower 23 is communicated with the processing box 24, the processing box 24 is disposed on the upper surface of the device body 1, the processing box 24 includes a connecting pipe 2401, a first processing box 2402 and a second processing box 2403, the processing box 24 is provided with the connecting pipe 2401, one end of the connecting pipe 2401 penetrates through the upper surface of the processing box 24 to be communicated with the first processing box 2402, the first processing box 2402 is disposed on the inner side wall of the processing box 24, the upper surface of the processing box 24 is provided with the second processing box 2403, the processing box 24 is communicated with the second blower 23 through the connecting pipe 2401, a filter screen and an activated carbon adsorption screen are disposed in the first processing box 2402 and the second processing box 2403 respectively, so as to filter and adsorb the exhaust gas, reduce the pollution of exhaust gas to the environment, the interior top of the device body 1 rotates and is connected with splint 25, and splint 25 and the third pivot 26 of lower extreme are connected, splint 25 is including protection pad 2501, and protection pad 2501 sets up on splint 25's medial surface, protection pad 2501 can play the protective effect to soundproof door clamping face, third pivot 26 is connected with fourth motor 27, and fourth motor 27 is connected with the upper end of second hydraulic stretching pole 28, second hydraulic stretching pole 28 sets up the interior bottom at the device body 1 simultaneously, telescopic machanism is constituteed to second hydraulic stretching pole 28 and fourth motor 27, and fourth motor 27 and third pivot 26 constitute slewing mechanism, clamp soundproof door under the effect of second hydraulic stretching pole 28, usable fourth motor 27 drives soundproof door through third pivot 26 and rotates, the convenience is sprayed it.
The working principle is as follows: when the spraying device for producing and processing the soundproof door is used, a power supply is switched on, the door at the front side of the device body 1 is opened, the soundproof door is placed between the clamping plates 25 and is clamped and fixed under the action of the second hydraulic telescopic rod 28, the protective pad 2501 can reduce damage to the clamping surface of the soundproof door, the supporting shell 14 is pushed by the first hydraulic telescopic rod 13, the cleaning brush 21 is in contact with the surface of the soundproof door, the third motor 17 is started, the third motor 17 drives the rotating wheel 18 to rotate, the rotating wheel 18 drives the connecting rod 20 to rotate through the synchronous belt 19, the cleaning brush 21 cleans the surface of the soundproof door, meanwhile, the cleaning brush is swept through the second spray pipe 1503 under the action of the first fan 16, the second motor 8 drives the second rotating shaft 9 to rotate, the second rotating shaft 9 drives the second lead screw 11 to rotate, the second moving frame 12 is moved, and the cleaning and feeding of the surface of the soundproof door are facilitated, after the cleaning is finished, the fourth motor 27 is started, the fourth motor 27 drives the third rotating shaft 26 to rotate, the third rotating shaft 26 drives the soundproof door to rotate, the first spray pipe 7 is connected with an external device, the cleaned soundproof door is sprayed through the first spray pipe 7, the first motor 2 drives the first rotating shaft 3 to rotate, the first rotating shaft 3 drives the first lead screw 5 to rotate, so that the first moving frame 6 moves to facilitate the spraying and feeding of the surface of the soundproof door, waste gas generated by spraying is sucked into the treatment box 24 through the connecting pipe 2401 by the second fan 23 through the suction pipe 22 and filtered by the filter screen in the first treatment box 2402, water in the treatment box 24 is discharged from the second treatment box 2403 after being filtered, the active carbon adsorption net arranged in the second treatment box 2403 adsorbs and filters the discharged gas again, the pollution of the discharged gas to the environment is reduced, and the spraying is performed under the action of the fourth motor 27, the soundproof door is driven to rotate, the sprayed soundproof door is dried by the heating device 15 under the action of the first fan 16, and the partition plate 1501 prolongs the time of the gas in the heating device 15, so that the gas is sprayed out of the second spray pipe 1503 after being sufficiently heated to be dried.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
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 (9)
1. The utility model provides a soundproof door production and processing is with spraying device, includes the device body (1), second motor (8) and straw (22), its characterized in that: the inner side wall of the device body (1) is provided with a first motor (2), the first motor (2) is connected with a first rotating shaft (3), the upper end of the first rotating shaft (3) penetrates through a first support (4) to be connected with a first lead screw (5), the first lead screw (5) is rotatably connected with the inner side wall of the first support (4), meanwhile, the first support (4) is arranged on the inner right side wall of the device body (1), a first moving frame (6) is arranged on the first lead screw (5), a first spray pipe (7) is arranged on the first moving frame (6), the second motor (8) is arranged on the inner side wall of the device body (1), the second motor (8) is connected with a second rotating shaft (9), the upper end of the second rotating shaft (9) penetrates through a second support (10) to be connected with a second lead screw (11), and the second lead screw (11) is rotatably connected with the inner side wall of the second support (10), meanwhile, a second support (10) is arranged on the inner left side wall of the device body (1), a second movable frame (12) is arranged on a second lead screw (11), a first hydraulic telescopic rod (13) is arranged on the second movable frame (12), a supporting shell (14) is arranged at the right end of the first hydraulic telescopic rod (13), a heating device (15) is arranged on the outer side of the supporting shell (14), the heating device (15) is connected with a first fan (16), a third motor (17) is arranged in the supporting shell (14), the third motor (17) is connected with a rotating wheel (18), the rotating wheel (18) is connected with a connecting rod (20) through a synchronous belt (19), the connecting rod (20) penetrates through the inner right side wall of the supporting shell (14) and is connected with a cleaning brush (21), and a suction pipe (22) is communicated with the upper end face of the device body (1), and straw (22) is connected with second fan (23), second fan (23) set up on the device body (1), and second fan (23) with handle case (24) and be linked together, handle case (24) simultaneously and set up the upper surface at the device body (1), the interior top of the device body (1) rotates and is connected with splint (25), and splint (25) of lower extreme are connected with third pivot (26), third pivot (26) are connected with fourth motor (27), and fourth motor (27) are connected with the upper end of second hydraulic telescoping rod (28), and second hydraulic telescoping rod (28) set up the interior bottom at the device body (1) simultaneously.
2. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the first motor (2), the first rotating shaft (3) and the first lead screw (5) form a rotating mechanism, and a first moving frame (6) arranged on the first lead screw (5) is in sliding connection with the first support (4).
3. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the second motor (8), the second rotating shaft (9) and the second lead screw (11) form a rotating mechanism, and a second moving frame (12) arranged on the second lead screw (11) is in sliding connection with the second support (10).
4. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the telescopic mechanism is composed of the first hydraulic telescopic rod (13) and the supporting shell (14), and the upper side and the lower side of the supporting shell (14) are provided with heating devices (15).
5. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the heating device (15) comprises a partition plate (1501), a heating element (1502) and a second spray pipe (1503), the partition plate (1501) and the heating element (1502) are arranged in the heating device (15), and the second spray pipe (1503) is arranged on the right side of the heating device (15).
6. The spraying device for producing and processing the soundproof door according to claim 1, wherein: and the third motor (17), the rotating wheel (18), the synchronous belt (19) and the connecting rod (20) form a rotating mechanism.
7. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the treatment box (24) comprises a connecting pipe (2401), a first treatment box (2402) and a second treatment box (2403), the connecting pipe (2401) is arranged on the treatment box (24), one end of the connecting pipe (2401) penetrates through the upper surface of the treatment box (24) and is communicated with the first treatment box (2402), the first treatment box (2402) is arranged on the inner side wall of the treatment box (24), the second treatment box (2403) is arranged on the upper surface of the treatment box (24), and the treatment box (24) is communicated with the second fan (23) through the connecting pipe (2401).
8. The spraying device for producing and processing the soundproof door according to claim 1, wherein: splint (25) are including protection pad (2501), and protection pad (2501) sets up on splint (25)'s medial surface.
9. The spraying device for producing and processing the soundproof door according to claim 1, wherein: the second hydraulic telescopic rod (28) and the fourth motor (27) form a telescopic mechanism, and the fourth motor (27) and the third rotating shaft (26) form a rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200066.6U CN212370458U (en) | 2020-02-24 | 2020-02-24 | Spraying device is used in soundproof door production and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020200066.6U CN212370458U (en) | 2020-02-24 | 2020-02-24 | Spraying device is used in soundproof door production and processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212370458U true CN212370458U (en) | 2021-01-19 |
Family
ID=74157444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020200066.6U Expired - Fee Related CN212370458U (en) | 2020-02-24 | 2020-02-24 | Spraying device is used in soundproof door production and processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212370458U (en) |
-
2020
- 2020-02-24 CN CN202020200066.6U patent/CN212370458U/en not_active Expired - Fee Related
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Granted publication date: 20210119 |