CN111605123A - Multi-rotating-speed integrated PU (polyurethane) filling machine - Google Patents
Multi-rotating-speed integrated PU (polyurethane) filling machine Download PDFInfo
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- CN111605123A CN111605123A CN202010592515.0A CN202010592515A CN111605123A CN 111605123 A CN111605123 A CN 111605123A CN 202010592515 A CN202010592515 A CN 202010592515A CN 111605123 A CN111605123 A CN 111605123A
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- stirring blade
- material box
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
- B29B7/244—Component parts, details or accessories; Auxiliary operations for feeding in measured doses of several materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a multi-rotating-speed integrated PU filling machine in the field of sponge filling machine equipment, which comprises a fixed frame, wherein a main material box is arranged on the fixed frame, a stirring motor is arranged on the main material box, the output end of the stirring motor is fixedly connected with a main stirring shaft, the upper part of the main stirring shaft is fixedly connected with a gear ring through a bracket, the gear ring is engaged and connected with a driven gear, the driven gear is fixedly connected with the upper part of a driven stirring shaft, the upper end of the driven stirring shaft is arranged on a cover plate of the main material box through a bearing, the lower part of the stirring shaft is, the second spiral stirring blade extends to the bottom of the main material box, the lower part of the main stirring shaft is fixedly connected with the first spiral stirring blade, and the first spiral stirring blade extends to the bottom of the main material box, an annular pipe is arranged between the first spiral stirring blade and the second spiral stirring blade, and a groove cavity is formed between the annular pipe and the bottom of the main material box. The structure can simultaneously provide glue with different foaming degrees so as to obtain different foam layers for forming the PU sponge.
Description
Technical Field
The invention relates to the field of sponge filling machine equipment, in particular to a multi-rotating-speed integrated PU filling machine.
Background
The PU sponge is PU, also be polyurethane, soft bubble forms through certain technology processing, mainly used cushion, decoration such as mattress, its pyrolysis temperature is 255 degrees centigrade generally, have fine elasticity, the pressurized has good resilience, therefore by wide use, polyurethane is before the shaping becomes the sponge, generally will pass through the stirring foaming, then the encapsulating is to shaping mould on, often need utilize the foam blanket of different foaming degree during the sponge shaping, if form a softer foam blanket on the surface, the bottom still maintains the original dress of foam, the research and development result, on the one hand can provide reliable travelling comfort, can also reduce the weight of shaping sponge simultaneously.
The existing glue filling machine is single in function, similar to liquid pumping operation, and only realizes the effect of filling glue liquid into a forming die, but cannot realize the functions, and is not convenient for operators to operate and control glue filling.
Disclosure of Invention
The invention aims to provide a multi-rotating-speed integrated PU filling machine to solve the problem that glue with different foaming degrees cannot be simultaneously provided to obtain different foam layers for forming PU sponge in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multi-rotation-speed integrated PU filling machine comprises a fixing frame, wherein a main material box is arranged on the fixing frame, a stirring motor is arranged on the main material box, an output end fixedly connected with a main stirring shaft of the stirring motor, the upper part of the main stirring shaft is fixedly connected with a gear ring through a support, the gear ring is meshed with a driven gear, the driven gear is fixedly connected with the upper part of a driven shaft, the upper end of the driven shaft is arranged on a cover plate of the main material box through a bearing, a second spiral stirring blade is fixedly connected with the lower part of the driven shaft and extends to the bottom of the main material box, a first spiral stirring blade is fixedly connected with the lower part of the main stirring shaft and extends to the bottom of the main material box, an annular pipe is arranged between the first spiral stirring blade and the second spiral stirring blade, a groove cavity is formed between the annular pipe and the bottom of the main material box, and the outer lane of first spiral stirring leaf is located the recess intracavity, the bottom UNICOM of recess intracavity has first discharging pipe, second gas circuit passageway has been seted up in the pipe wall of annular pipe, the gas outlet direction of second gas circuit passageway is upwards for the upper end to the recess intracavity and follow the annular pipe, be provided with to the aerify first gas circuit passageway of incasement on the tank wall of main tank, first gas circuit passageway and second gas circuit passageway all extend to outside the main tank through the pipeline, the intercommunication has the second discharging pipe on the appearance chamber that forms between the inner wall of main tank and the annular pipe outer wall.
As a further scheme of the invention: the first spiral stirring blade and the second spiral stirring blade are opposite in rotating direction, and the first spiral stirring blade rotates in rotating direction towards the first discharging pipe. The first spiral stirring blade can accelerate the raw material glue solution to be filled into the direction of the discharge hole, the second spiral stirring blade can enable the raw material glue solution to be filled into the direction opposite to the direction of the discharge hole, the foaming time of the raw material glue solution at the position of the second spiral stirring blade in the main material box is prolonged, the glue solutions with different stirring times can be obtained at the positions of the first spiral stirring blade and the second spiral stirring blade, and the phase difference value of the foaming degree can be increased.
As a still further scheme of the invention: the discharging end of the groove cavity is provided with a filter screen groove, a filter screen is placed in the filter screen groove, the foaming agent can be filtered, and the foaming agent with different foaming volumes can be obtained by the sizes of filter screen holes made of different materials.
As a still further scheme of the invention: one side of the main material box is provided with a slave material box, and a discharge hole of the slave material box is sequentially communicated with the feed inlets of the proportional pressure flow control valve, the gear pump and the main material box through pipelines. Through the pump income of gear pump for in can flowing into main workbin from the interior follow material of workbin, simultaneously because proportional pressure flow control valve's effect, consequently obtain the follow material of different volume or proportion and flow into main workbin, make can realize stirring and encapsulating operation to the former sizing material of different ratios, improved the function of this filling machine.
As a still further scheme of the invention: the feed inlet is a plurality of, it is a plurality of from the workbin, it is a plurality of the feed inlet is used for respectively communicating a plurality of workbins and main workbin from. This is primarily for ease of feeding.
As a still further scheme of the invention: the fixing frame is arranged on the trolley, a power box is arranged at one end, away from the main material box, of the trolley, a control panel is arranged on the power box, the surface of the control panel faces forwards, and a telescopic rod used for supporting the gun head of the filling machine is arranged on the backward side, close to the control panel, of the power box. Therefore, an operator can control the buttons on the control panel by hands in front of the trolley, and can fill the mold needing glue by holding the telescopic rod.
As a still further scheme of the invention: the first air channel comprises an in-pipe air channel arranged in the pipe wall of the main material box and a first annular round pipe arranged outside the main material box, the in-pipe air channel is communicated with the first annular round pipe, and the first annular round pipe is communicated with a pipeline extending out of the main material box. The first annular circular tube is convenient for communicating all the in-tube gas path channels in the wall of the main material box and is connected to an external high-pressure pump pipeline.
As a still further scheme of the invention: the second air channel comprises an in-groove air channel arranged in the annular pipe and a second annular circular pipe arranged at the bottom of the annular pipe, and the second annular circular pipe is communicated with a pipeline extending out of the main material box. The second annular circular pipe is convenient for the second annular circular pipe at the bottom of the annular pipe to be communicated and connected to an external high-pressure pump pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the main stirring shaft drives the first spiral stirring blade to rotate through the driving of the stirring motor, the driven stirring shaft is driven to rotate through the gear ring, the second spiral stirring blade is driven to rotate, so that the first spiral stirring blade and the second spiral stirring blade relatively rotate, the raw material for pouring the glue is fully stirred, in the stirring process, foaming agents and air with different amounts and pressures are filled into the first air channel and the second air channel through an external high-pressure pump, in addition, different stirring speeds can be obtained through the gear ratio of the driven gear and the gear ring by the first spiral stirring blade and the second spiral stirring blade, foam layers with different foaming degrees can also be obtained at different stirring speeds, so that the glue pouring raw material in the groove cavity and the pouring raw material arranged outside the groove cavity obtain different foaming degrees, and are respectively filled into the mold cavity through the first discharge pipe and the second discharge pipe, so that glue with different foaming degrees can be provided at the same time to obtain different foam layers for forming the PU sponge.
2. According to the invention, the first spiral stirring blade can accelerate the raw material glue solution to be filled in the direction of the discharge hole, the second spiral stirring blade can enable the raw material glue solution to be filled in the opposite direction, and the foaming time of the raw material glue solution at the second spiral stirring blade in the main material box is prolonged, so that glue solutions with different stirring times can be obtained at the first spiral stirring blade and the second spiral stirring blade, and the phase difference value of the foaming degree is increased.
3. Through the pump income of gear pump for in can flowing into main workbin from the interior follow material of workbin, simultaneously because proportional pressure flow control valve's effect, consequently obtain the follow material of different volume or proportion and flow into main workbin, make can realize stirring and encapsulating operation to the former sizing material of different ratios, improved the function of this filling machine.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the connection of the main stirring shaft in the present invention;
FIG. 4 is a schematic view of the structure of the main bin of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 1. a fixed mount; 101. a feed inlet; 2. a main material box; 3. a stirring motor; 4. a main stirring shaft; 5. a support; 6. a ring gear; 7. a driven gear; 8. from the stirring shaft; 9. a second helical stirring blade; 10. a first helical mixing blade; 11. an annular tube; 12. a groove cavity; 13. a first discharge pipe; 14. a second gas path channel; 141. an in-groove air passage; 142. a second annular circular tube; 15. a first gas circuit channel; 151. a gas path channel in the pipe; 152. a first annular circular tube; 16. a second discharge pipe; 17. a filter screen groove; 18. a slave bin; 19. a proportional pressure flow control valve; 20. a gear pump; 21. a trolley; 22. a power supply box; 23. a control panel; 24. a telescopic rod.
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.
Embodiment 1, please refer to fig. 2 to 5, an integrative PU filling machine of many rotational speeds, including mount 1, is provided with main workbin 2 on mount 1, is provided with agitator motor 3 on main workbin 2, its characterized in that: the output end of the stirring motor 3 is fixedly connected with a main stirring shaft 4, the upper part of the main stirring shaft 4 is fixedly connected with a gear ring 6 through a bracket 5, the gear ring 6 is meshed with a driven gear 7, the driven gear 7 is fixedly connected with the upper part of a slave stirring shaft 8, the upper end of the stirring shaft 8 is arranged on a cover plate of a main material box 2 through a bearing, the lower part of the stirring shaft 8 is fixedly connected with a second spiral stirring blade 9, the second spiral stirring blade 9 extends to the bottom of the main material box 2, the lower part of the main stirring shaft 4 is fixedly connected with a first spiral stirring blade 10, the first spiral stirring blade 10 extends to the bottom of the main material box 2, an annular pipe 11 is arranged between the first spiral stirring blade 10 and the second spiral stirring blade 9, a groove cavity 12 is formed between the annular pipe 11 and the bottom of the main material box 2, the outer ring of the first spiral stirring blade 10 is positioned in the groove cavity 12, a second air channel 14 is formed in the wall of the annular pipe 11, the air outlet direction of the second air channel 14 faces upwards the groove cavity 12 and the upper end face of the annular pipe 11, a first air channel 15 which inflates the inside of the main box 2 is arranged on the wall of the main box 2, the first air channel 15 and the second air channel 14 both extend out of the main box 2 through pipelines, and a second discharge pipe 16 is communicated with a cavity formed between the inner wall of the main box 2 and the outer wall of the annular pipe 11.
The stirring motor 3 or other driving mechanism drives the main stirring shaft 4 to drive the first spiral stirring blade 10 to rotate, the gear ring 6 drives the driven stirring shaft 8 to rotate, the second spiral stirring blade 9 is driven to rotate, the first spiral stirring blade 10 and the second spiral stirring blade 9 rotate relatively, the glue-filled raw materials are fully stirred, in the stirring process, foaming agents and air with different amounts and pressures are filled into the first air channel 15 and the second air channel 14 through an external high-pressure pump, in addition, different stirring speeds can be obtained through the gear ratio of the driven gear 7 and the gear ring 6 by the first spiral stirring blade 10 and the second spiral stirring blade 9, foam layers with different foaming degrees can be obtained at different stirring speeds, so that the glue-filled raw materials in the groove cavity 12 and the glue-filled raw materials arranged outside the groove cavity 12 obtain different foaming degrees, and respectively fill into the mould intracavity through first discharging pipe 13 and second discharging pipe 16 respectively for can provide the glue of different foaming degree simultaneously in order to obtain different foam layers, be used for the shaping PU sponge.
The fixing frame 1 is arranged on the trolley 21, a power supply box 22 is arranged at one end, far away from the main material box 2, of the trolley 21, a control panel 23 is arranged on the power supply box 22, the control panel 23 faces forwards, and a telescopic rod 24 used for supporting the gun head of the filling machine is arranged on the back side, close to the control panel 23, of the power supply box 22. Thus, an operator can control the buttons on the control panel 23 by hands in front of the trolley 21 and can fill the mold to be filled with glue by holding the frame on the telescopic rod 24. The telescopic rod 24 may be a manual telescopic rod or an electric telescopic rod as long as the height of the head of the perfusion apparatus can be controlled.
The first air channel 15 comprises an air channel 151 in the pipe wall of the main material box 2 and a first annular circular pipe 152 outside the main material box 2, the air channel 151 in the pipe is communicated with the first annular circular pipe 152, and the first annular circular pipe 152 is communicated with a pipeline extending out of the main material box 2. The first circular tube 152 facilitates the connection of all the tube gas channels 151 in the wall of the main tank 2 to the external high-pressure pump pipeline.
The second air passage 14 comprises an in-groove air passage 141 arranged in the annular pipe 11 and a second annular circular pipe 142 arranged at the bottom of the annular pipe 11, and the second annular circular pipe 142 is communicated with a pipeline extending out of the main tank 2. The second annular tube 142 facilitates the connection of the second annular tube 142 at the bottom of the annular tube 11 to an external high pressure pump line.
In example 2, referring to fig. 2 to 4, in example 2, the stirring time of the first spiral stirring blade 10 and the second spiral stirring blade 9, that is, the foaming time of the contact between the raw material glue solution and the foaming agent and the air, is further improved based on example 1, the rotation directions of the first spiral stirring blade 10 and the second spiral stirring blade 9 are opposite, and the first spiral stirring blade 10 rotates in the direction of the first discharging pipe 13. The first spiral stirring blade 10 can accelerate the charging of the raw material glue solution to the direction of the discharge hole, the second spiral stirring blade 9 can enable the raw material glue solution to be charged in the opposite direction, the foaming time of the raw material glue solution at the position of the second spiral stirring blade 9 in the main material box 2 is prolonged, the glue solutions with different stirring times can be obtained at the positions of the first spiral stirring blade 10 and the second spiral stirring blade 9, and the phase difference value of the foaming degree can be increased.
In embodiment 3, referring to fig. 3, in embodiment 3, the discharging end of the cavity 12 is further improved based on embodiment 1, that is, the discharging end of the cavity 12 is provided with a filter groove 17, a filter screen is placed in the filter groove 17 to filter the foaming agent, and the foaming agent with different foaming volumes can be obtained by using filter screen holes of different materials and sizes.
Wherein, the feed inlet 101 is a plurality of, follows the workbin 18 and is a plurality of, and a plurality of feed inlets 101 are used for communicateing a plurality of from workbin 18 and main workbin 2 respectively. This is primarily for ease of feeding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an integrative PU filling machine of many rotational speeds, includes mount (1), be provided with main work bin (2) on mount (1), be provided with agitator motor (3), its characterized in that on main work bin (2): the output end of the stirring motor (3) is fixedly connected with a main stirring shaft (4), the upper part of the main stirring shaft (4) is provided with a gear ring (6) through a support (5), the gear ring (6) is meshed with a driven gear (7), the driven gear (7) is fixedly connected with the upper part of a driven shaft (8), the upper end of the driven shaft (8) is arranged on a cover plate of a main material box (2) through a bearing, the lower part of the driven shaft (8) is fixedly connected with a second spiral stirring blade (9), the second spiral stirring blade (9) extends to the bottom of the main material box (2), the lower part of the main stirring shaft (4) is fixedly connected with a first spiral stirring blade (10), the first spiral stirring blade (10) extends to the bottom of the main material box (2), and an annular pipe (11) is arranged between the first spiral stirring blade (10) and the second spiral stirring blade (9), annular pipe (11) are formed with recess chamber (12) with the bottom of main tank (2), and the outer lane of first spiral stirring leaf (10) is located recess chamber (12), the bottom UNICOM of recess chamber (12) has first discharging pipe (13), second gas circuit passageway (14) have been seted up in the pipe wall of annular pipe (11), the gas outlet direction of second gas circuit passageway (14) is for in recess chamber (12) and upward along the up end of annular pipe (11), be provided with on the tank wall of main tank (2) to the interior first gas circuit passageway (15) of aerifing of case, first gas circuit passageway (15) and second gas circuit passageway (14) all extend to outside main tank (2) through the pipeline, the intercommunication has second discharging pipe (16) on the appearance chamber that forms between the inner wall of main tank (2) and annular pipe (11) outer wall.
2. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: the rotating directions of the first spiral stirring blade (10) and the second spiral stirring blade (9) are opposite, and the rotating direction of the first spiral stirring blade (10) is opposite to that of the first discharging pipe (13).
3. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: and a filter screen groove (17) is arranged at the discharge end of the groove cavity (12).
4. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: one side of the main material box (2) is provided with a slave material box (18), and a discharge hole of the slave material box (18) is sequentially communicated with a proportional pressure flow control valve (19), a gear pump (20) and a feed inlet (101) of the main material box (2) through pipelines.
5. The multi-rotation-speed integrated PU filling machine according to claim 4, wherein: the feed inlet (101) are a plurality of, follow workbin (18) and be a plurality of, and are a plurality of feed inlet (101) are used for communicateing a plurality of workbins (18) and main workbin (2) from respectively.
6. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: the fixing frame (1) is arranged on a trolley (21), one end, far away from the main material box (2), of the trolley (21) is provided with a power box (22), a control panel (23) is arranged on the power box (22), the control panel (23) faces forwards, and a telescopic rod (24) used for supporting the head of the perfusion apparatus is arranged on the side, close to the control panel (23), of the power box (22) in the back direction.
7. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: first gas circuit passageway (15) are including setting up intraductal gas circuit passageway (151) in main workbin (2) pipe wall and setting up first annular pipe (152) outside main workbin (2), intraductal gas circuit passageway (151) and first annular pipe (152) intercommunication, the intercommunication has the pipeline that extends to outside main workbin (2) on first annular pipe (152).
8. The multi-rotation-speed integrated PU filling machine according to claim 1, wherein: the second air channel (14) comprises an in-groove air channel (141) arranged in the annular pipe (11) and a second annular circular pipe (142) arranged at the bottom of the annular pipe (11), and the second annular circular pipe (142) is communicated with a pipeline extending out of the main material box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592515.0A CN111605123A (en) | 2020-06-25 | 2020-06-25 | Multi-rotating-speed integrated PU (polyurethane) filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592515.0A CN111605123A (en) | 2020-06-25 | 2020-06-25 | Multi-rotating-speed integrated PU (polyurethane) filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111605123A true CN111605123A (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592515.0A Pending CN111605123A (en) | 2020-06-25 | 2020-06-25 | Multi-rotating-speed integrated PU (polyurethane) filling machine |
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| CN (1) | CN111605123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513292A (en) * | 2021-05-13 | 2021-10-19 | 中国石油大学(华东) | Foam conveying device for thin oil foam auxiliary oxygen reduction air drive |
| CN114474465A (en) * | 2022-01-27 | 2022-05-13 | 卢华川 | Automatic stirring equipment and method for raw materials for sponge production |
-
2020
- 2020-06-25 CN CN202010592515.0A patent/CN111605123A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513292A (en) * | 2021-05-13 | 2021-10-19 | 中国石油大学(华东) | Foam conveying device for thin oil foam auxiliary oxygen reduction air drive |
| CN113513292B (en) * | 2021-05-13 | 2022-12-30 | 中国石油大学(华东) | Foam conveying device for thin oil foam assisted oxygen reduction air drive |
| CN114474465A (en) * | 2022-01-27 | 2022-05-13 | 卢华川 | Automatic stirring equipment and method for raw materials for sponge production |
| CN114474465B (en) * | 2022-01-27 | 2024-02-02 | 佛山市宜奥科技实业有限公司 | Automatic raw material stirring equipment and method for sponge production |
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