CN115929173B - Fireproof material filling mechanism and fireproof device produced by using same - Google Patents
Fireproof material filling mechanism and fireproof device produced by using same Download PDFInfo
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- CN115929173B CN115929173B CN202210896449.5A CN202210896449A CN115929173B CN 115929173 B CN115929173 B CN 115929173B CN 202210896449 A CN202210896449 A CN 202210896449A CN 115929173 B CN115929173 B CN 115929173B
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- frame
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- fireproof
- driving motor
- lifting
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- 239000000463 material Substances 0.000 title claims abstract description 92
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000979 retarding effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The application discloses fire-retardant material filling mechanism, this fire-retardant material filling mechanism includes: the mounting bracket is fixed in the frame, and fixed mounting has the direction slide bar on the mounting bracket, and slidable mounting has the removal frame on the direction slide bar, and fixed mounting has first driving motor on the removal frame, fixed mounting has first guide rack on the mounting bracket, and first driving motor's end drive have with first guide rack engaged first action wheel. The beneficial effects are as follows: the fireproof material filling mechanism designed by the invention can be used for dispersing fireproof materials by using the material filling device and the dispersing device during filling, then the area needing to be filled in the fireproof door can be effectively and rapidly filled under the drive of the first driving motor and the second driving motor, and the surface of the filled material can be shaped in time after the filling is finished, so that the traditional manual filling operation is replaced, and the fireproof material filling mechanism has better operation effect and product quality guarantee.
Description
Technical Field
The application relates to the technical field of fireproof equipment production, in particular to a fireproof material filling mechanism and a fireproof device produced by using the mechanism.
Background
The fireproof material is a material capable of preventing or retarding flame propagation, is difficult to burn and charring, and has flame retardant property. The fireproof material can be smeared on the surface of an object to play a role in preventing fire and retarding flame, but the adhesion is smaller, so that the fireproof and flame-retarding effect can be provided generally, and the fireproof material can be filled in the object, so that the supporting capacity of the object is utilized, and a large amount of fireproof material is stored to improve the fireproof and flame-retarding effect.
Fireproof doors are fireproof devices which are required to be filled with fireproof materials in corresponding equipment in the production process, the existing fireproof door production process is lack of special equipment, the fireproof material filling process mainly depends on manual filling and shaping, so that the fireproof materials can be filled in workpieces uniformly and are suitable for the buckling and sealing of the workpieces, the efficiency of manual operation is low, and meanwhile, the quality of products cannot be controlled due to negligence of workers in the manual operation.
If a novel filling mechanism capable of automatically filling a workpiece with fireproof materials and a filling device using the filling mechanism are invented, the problems can be effectively solved, and therefore, the novel filling mechanism for the fireproof materials and the fireproof device produced by using the novel filling mechanism are provided.
Disclosure of Invention
The purpose of this application is to provide a novel filling mechanism that can carry out the fire-proof material to the work piece voluntarily and use this filling device of filling mechanism.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: a fire-retardant material filling mechanism, the fire-retardant material filling mechanism comprising:
the mounting frame is fixed on the frame, a guide sliding rod is fixedly arranged on the mounting frame, a moving frame is slidably arranged on the guide sliding rod, a first driving motor is fixedly arranged on the moving frame, a first guide rack is fixedly arranged on the mounting frame, and a first driving wheel meshed with the first guide rack is driven at the tail end of the first driving motor;
the movable seat is slidably mounted with the movable frame, a second driving motor is fixedly mounted on the movable seat, a second guide rack is fixedly mounted on the movable frame, and a second driving wheel meshed with the second guide rack is driven by the output end of the second driving motor;
the mounting plate, but the mounting plate passes through the perpendicular adjustment push rod of going up and down and is connected with the removal seat, and the below fixed mounting of mounting plate has dispersion devices, the material injection device that is used for carrying out the filling operation to the work piece of putting in the frame is installed to the left and right sides symmetry of mounting plate.
In the above-mentioned technical scheme, this application embodiment is through utilizing annotating material device and dispersion devices to disperse the fire prevention material and carry out even packing to the region that needs the packing on the work piece under the drive of first driving motor and second driving motor effectual fast to the packing finishes the back and can also be timely carry out the shaping on packing surface, thereby has replaced traditional manual packing operation, has better operation effect and operation precision.
Further, according to this application embodiment, wherein, annotate the material device include with mounting panel fixed connection's link, and the bottom fixed mounting of link has the locating disk, rotatory mounting has the rotating turret of accessible spacer pin regulation installation angle on the locating disk, and fixed mounting has the notes material spray gun that carries out notes material operation on the rotating turret, it adopts the charge pump that sets up in the frame to carry out the material feed to annotate the material spray gun.
Further, according to the embodiment of the application, the bottom surface of the shaping plate is provided with a detachable metal plate capable of shaping the filled fireproof material, and the lifting device is a single-rod double-acting hydraulic cylinder.
Further, according to this application embodiment, wherein, elevating gear includes the lift post with the upper end slidable mounting of mounting bracket, and fixed mounting has the lift rack on the lift post, the bottom and the shaping board fixed mounting of lift post, and fixed mounting has elevator motor on the mounting bracket, elevator motor's output drive has the lifting gear who is connected with the lift rack meshing.
Further, according to an embodiment of the present application, the adjusting push rod is a single-rod double-acting hydraulic push rod, and the first driving motor and the second driving motor are both stepper motors.
Further, according to the embodiment of the application, the dispersing device comprises a rotating motor fixedly connected with the mounting plate, the output end of the rotating motor is driven with a cone, and the cone is fixedly provided with blades for dispersing the fireproof material.
Further, according to this application embodiment, wherein, dispersion devices include with mounting panel fixed connection's butt joint frame, and install a pair of rotatory pivot in a pair of through the bearing on the butt joint frame, fixed mounting has the toggle plate that is used for dispersing fire proof material in the pivot, and fixed mounting has the third driving motor that is used for driving the pivot rotation on the butt joint frame, the below fixed mounting of butt joint frame is used for making the fire proof material after being dispersed orderly porous plate that drops.
In order to achieve the above object, an embodiment of the present application further discloses a fire protection device, wherein a fire protection material filling mechanism is used for filling fire protection materials.
Compared with the prior art, the application has the following beneficial effects: the fireproof material filling mechanism designed by the invention can be used for dispersing fireproof materials by using the material filling device and the dispersing device during filling, then the area needing to be filled in the fireproof door can be effectively and rapidly filled under the drive of the first driving motor and the second driving motor, and the surface of the filled material can be shaped in time after the filling is finished, so that the traditional manual filling operation is replaced, and the fireproof material filling mechanism has better operation effect and product quality guarantee.
Drawings
The present application is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view showing the connection of the mounting frame and the dispersing device according to the first embodiment of the present invention;
FIG. 3 is a schematic diagram showing the connection of the mobile base and the dispersing device according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a third embodiment of the present invention;
fig. 6 is a schematic structural view of a dispersing device according to a third embodiment of the present invention.
In the accompanying drawings
1. Mounting frame 2, lifting device 201 and lifting rack
202. Lifting column 203, lifting motor 204 and lifting gear
3. Annotate material device 301, link 302, annotate material spray gun
303. Positioning disk 304, rotating frame 305 and limiting pin
4. Feed pump 5, frame 6, work piece
7. Second driving motor 8, dispersing device 801, and rotating electric machine
802. Paddle 803, cone 804 and butt joint frame
805. Toggle plate 806, rotary shaft 807, and third drive motor
808. Perforated plate 9, mounting plate 10, second driving wheel
11. Adjusting push rod 12, first driving wheel 13 and moving seat
14. Shaping plate 15, moving frame 16 and second guide rack
17. First guide rack 18, first driving motor 19 and guide slide bar
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" 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," "connected," and "connected" 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.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Example 1
Referring to fig. 1 to 3, a fire-proof material filling mechanism includes:
the device comprises a mounting frame 1, wherein the mounting frame 1 is fixed on a frame 5, a guide slide bar 19 is fixedly arranged on the mounting frame 1, a movable frame 15 is slidably arranged on the guide slide bar 19, a first driving motor 18 is fixedly arranged on the movable frame 15, a first guide rack 17 is fixedly arranged on the mounting frame 1, and a first driving wheel 12 meshed with the first guide rack 17 is driven by the tail end of the first driving motor 18;
the movable seat 13, the movable seat 13 and the movable frame 15 are slidably installed, the movable seat 13 is fixedly provided with a second driving motor 7, the movable frame 15 is fixedly provided with a second guide rack 16, and the output end of the second driving motor 7 is driven with a second driving wheel 10 which is in meshed connection with the second guide rack 16;
the device comprises a mounting plate 9, wherein the mounting plate 9 is connected with a movable seat 13 through an adjusting push rod 11 capable of vertically lifting, a dispersing device 8 is fixedly arranged below the mounting plate 9, and material injecting devices 3 for carrying out filling operation on workpieces 6 arranged on a frame 5 are symmetrically arranged on the left side and the right side of the mounting plate 9;
referring to fig. 3, the material injecting device 3 includes a connecting frame 301 fixedly connected with a mounting plate 9, a positioning disk 303 is fixedly installed at the bottom of the connecting frame 301, a rotating frame 304 capable of adjusting a mounting angle through a limiting pin 305 is rotatably installed on the positioning disk 303, a material injecting spray gun 302 for injecting materials is fixedly installed on the rotating frame 304, the material injecting spray gun 302 adopts a feeding pump 4 arranged on a frame 5 to feed materials, and the material injecting spray gun 302 can determine whether to directly spray fireproof materials into a workpiece 6 or spray the fireproof materials to a dispersing device 8 by adjusting a spraying angle;
referring to fig. 1 and 3, a detachable metal plate capable of shaping the filled fireproof material is mounted on the bottom surface of the shaping plate 14, the upper surface of the filled fireproof material can be shaped into a specific curved surface after shaping by the flattening device 14, so that the upper surface of the workpiece 8 is conveniently and subsequently sealed, the lifting device 2 is a single-rod double-acting hydraulic cylinder, the adjusting push rod 11 is a single-rod double-acting hydraulic push rod, the first driving motor 18 and the second driving motor 7 are both stepping motors, the dispersing device 8 comprises a rotating motor 801 fixedly connected with the mounting plate 9, a cone 803 is driven by the output end of the rotating motor 801, and paddles 802 for dispersing the fireproof material are fixedly mounted on the cone 803.
In this embodiment, the workpiece 6 to be filled with the fireproof material is firstly placed on the corresponding position of the frame 5, the workpiece 6 is a fireproof door to be filled with the fireproof material, then the molding plate 14 is changed to a model matched with the area to be filled on the workpiece 6, then the injection device 3 is adjusted to spray the injection spray gun 302 in alignment with the paddle 802, so that the fireproof material can be dispersed into the corresponding area on the workpiece 6 when the paddle 802 is driven to rotate by the rotating motor 801, meanwhile, the first driving motor 18 and the second driving motor 7 can drive the moving seat 13 to move according to a preset programming track under the control of the controller arranged on the frame 5, so that the stacked fireproof material in the workpiece is effectively pushed flat by the bottom surface of the cone 803 to ensure more uniform filling of the fireproof material, after the required amount of the fireproof material to be filled reaches a specified amount, the moving seat 13 moves to a non-working position, and then the molding plate 14 is extruded downwards by the lifting device 2 to shape the upper surface of the fireproof material which is already located in the filling area, so that the filling operation of the workpiece is completed. In addition, when the area needing to be filled on the workpiece 6 is smaller, the filling area can be directly filled by using the material injection spray gun 302, and after the material injection is completed, the molding plate 14 is directly adopted for molding, so that the dispersing device 8 is not needed to participate in the operation.
Example 2
Referring to fig. 4, an alternative lifting device 2 for controlling the lifting of the molded plate 14 is provided in this embodiment to better achieve accurate lifting. This embodiment replaces the structure of the lifting device 2 with embodiment 1: the lifting device 2 comprises a lifting column 202 which is slidably mounted with the upper end of the mounting frame 1, a lifting rack 201 is fixedly mounted on the lifting column 202, the bottom of the lifting column 202 is fixedly mounted with the molding plate 14, a lifting motor 203 is fixedly mounted on the mounting frame 1, and a lifting gear 204 which is in meshed connection with the lifting rack 201 is driven by the output end of the lifting motor 203. After the structure is replaced, the lifting device 2 can control the lifting height of the molding plate 14 more accurately through the rotation angle of the lifting gear 204, so that the molding deviation can be controlled to be one millimeter.
Example 3
Referring to fig. 5 and 6, a fire-retardant material filling mechanism is provided in this embodiment with a new dispersion device 8 for another dispersion. This embodiment replaces the structure of the dispersing device 8 with embodiment 2: the dispersing device 8 comprises a butt-joint frame 804 fixedly connected with the mounting plate 9, a pair of rotating shafts 806 which rotate oppositely are arranged on the butt-joint frame 804 through bearings, a stirring plate 805 for dispersing fireproof materials is fixedly arranged on the rotating shafts 806, a third driving motor 807 for driving the rotating shafts 806 to rotate is fixedly arranged on the butt-joint frame 804, and a porous plate 808 for enabling the dispersed fireproof materials to fall orderly is fixedly arranged below the butt-joint frame 804. After the structural replacement, the dispersing device 8 can be paved into a plane and then falls down to the filling area after being extruded by the pair of rotating shafts 806 above the porous plate 808 in advance, so that the fireproof materials can be effectively prevented from being accumulated in the same area in a concentrated manner, and the larger area of the filling area can be filled more conveniently and rapidly.
A fire-proof device is provided, wherein a fire-proof material filling mechanism is used for filling fire-proof materials. The filling device can effectively improve the filling efficiency of the fireproof material and improve the production quality of the fireproof device.
While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.
Claims (7)
1. A fire-retardant material filling mechanism, the fire-retardant material filling mechanism comprising:
the device comprises a mounting frame (1), wherein the mounting frame (1) is fixed on a frame (5), a guide sliding rod (19) is fixedly installed on the mounting frame (1), a movable frame (15) is slidably installed on the guide sliding rod (19), a first driving motor (18) is fixedly installed on the movable frame (15), a first guide rack (17) is fixedly installed on the mounting frame (1), and a first driving wheel (12) meshed with the first guide rack (17) is driven at the tail end of the first driving motor (18);
the movable seat (13), the movable seat (13) is slidably mounted with the movable frame (15), the movable seat (13) is fixedly provided with a second driving motor (7), the movable frame (15) is fixedly provided with a second guide rack (16), and the output end of the second driving motor (7) is driven with a second driving wheel (10) which is meshed with the second guide rack (16);
the device comprises a mounting plate (9), wherein the mounting plate (9) is connected with a movable seat (13) through an adjusting push rod (11) capable of vertically lifting, a dispersing device (8) is fixedly arranged below the mounting plate (9), and material injecting devices (3) for carrying out filling operation on workpieces (6) arranged on a frame (5) are symmetrically arranged on the left side and the right side of the mounting plate (9);
the lifting device (2) comprises a lifting column (202) which is slidably arranged at the upper end of the mounting frame (1), a lifting rack (201) is fixedly arranged on the lifting column (202), the bottom of the lifting column (202) is fixedly arranged on the molding plate (14), a lifting motor (203) is fixedly arranged on the mounting frame (1), and a lifting gear (204) which is in meshed connection with the lifting rack (201) is driven at the output end of the lifting motor (203);
and the shaping plate (14) is connected with the lifting device (2) and is used for shaping the upper surface of the fireproof material which is positioned in the filling area.
2. A fire-retardant material filling mechanism as defined in claim 1, wherein: annotate material device (3) including link (301) with mounting panel (9) fixed connection, and the bottom fixed mounting of link (301) has positioning disk (303), rotating mounting has rotating turret (304) of accessible spacer pin (305) regulation installation angle on positioning disk (303), and fixed mounting has annotates material spray gun (302) of annotating the material operation on rotating turret (304), annotate material spray gun (302) and adopt feeding pump (4) of setting on frame (5) to carry out the feed.
3. A fire-retardant material filling mechanism as defined in claim 1, wherein: the bottom surface of the shaping plate (14) is provided with a detachable metal plate which can reshape the filled fireproof material, and the lifting device (2) is a single-rod double-acting hydraulic cylinder.
4. A fire-retardant material filling mechanism as defined in claim 1, wherein: the adjusting push rod (11) is a single-rod double-acting hydraulic push rod, and the first driving motor (18) and the second driving motor (7) are both stepping motors.
5. A fire-retardant material filling mechanism as defined in claim 1, wherein: the dispersing device (8) comprises a rotating motor (801) fixedly connected with the mounting plate (9), a cone (803) is driven at the output end of the rotating motor (801), and paddles (802) for dispersing fireproof materials are fixedly mounted on the cone (803).
6. A fire-retardant material filling mechanism as defined in claim 1, wherein: the dispersing device (8) comprises a butt joint frame (804) fixedly connected with the mounting plate (9), a pair of rotating shafts (806) which rotate oppositely are arranged on the butt joint frame (804) through bearings, a stirring plate (805) for dispersing fireproof materials is fixedly arranged on the rotating shafts (806), a third driving motor (807) for driving the rotating shafts (806) to rotate is fixedly arranged on the butt joint frame (804), and a porous plate (808) for enabling the dispersed fireproof materials to orderly fall down is fixedly arranged below the butt joint frame (804).
7. A fire protection material filling device comprising a fire protection material filling mechanism according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896449.5A CN115929173B (en) | 2022-07-28 | 2022-07-28 | Fireproof material filling mechanism and fireproof device produced by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210896449.5A CN115929173B (en) | 2022-07-28 | 2022-07-28 | Fireproof material filling mechanism and fireproof device produced by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115929173A CN115929173A (en) | 2023-04-07 |
| CN115929173B true CN115929173B (en) | 2024-02-06 |
Family
ID=86647922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210896449.5A Active CN115929173B (en) | 2022-07-28 | 2022-07-28 | Fireproof material filling mechanism and fireproof device produced by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115929173B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610403A (en) * | 1969-03-04 | 1971-10-05 | Badger Northland Inc | Material distribution apparatus |
| JPH02132015A (en) * | 1988-11-14 | 1990-05-21 | Fujitsu Ltd | Fire door |
| CN109466945A (en) * | 2018-10-23 | 2019-03-15 | 芜湖市元奎新材料科技有限公司 | A kind of fire proofing material filler device |
| CN212743806U (en) * | 2020-07-16 | 2021-03-19 | 唐山亿特门业有限公司 | Filling interlayer filling device for fireproof door |
| CN216499006U (en) * | 2021-10-08 | 2022-05-13 | 天津市港信防火材料有限责任公司 | Two-way high-speed dispersion machine of waterborne fire retardant coating auxiliary material production usefulness |
| CN216950088U (en) * | 2021-12-24 | 2022-07-12 | 湖南天一消防设备有限公司 | Fire-fighting door production is with fire prevention material filling equipment |
-
2022
- 2022-07-28 CN CN202210896449.5A patent/CN115929173B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610403A (en) * | 1969-03-04 | 1971-10-05 | Badger Northland Inc | Material distribution apparatus |
| JPH02132015A (en) * | 1988-11-14 | 1990-05-21 | Fujitsu Ltd | Fire door |
| CN109466945A (en) * | 2018-10-23 | 2019-03-15 | 芜湖市元奎新材料科技有限公司 | A kind of fire proofing material filler device |
| CN212743806U (en) * | 2020-07-16 | 2021-03-19 | 唐山亿特门业有限公司 | Filling interlayer filling device for fireproof door |
| CN216499006U (en) * | 2021-10-08 | 2022-05-13 | 天津市港信防火材料有限责任公司 | Two-way high-speed dispersion machine of waterborne fire retardant coating auxiliary material production usefulness |
| CN216950088U (en) * | 2021-12-24 | 2022-07-12 | 湖南天一消防设备有限公司 | Fire-fighting door production is with fire prevention material filling equipment |
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| Publication number | Publication date |
|---|---|
| CN115929173A (en) | 2023-04-07 |
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