Vacuum stirring powder processing device
By setting up a vacuum pumping system on the stirring drum of the powder stirring device, the problem of the powder being easily floating during the stirring process is solved, and the stirring and mixing effect is significantly improved.
Patent Information
- Application Number
- CN202421543813.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing powder stirring device can easily cause the powder to float during the stirring process, resulting in poor stirring and mixing effect.
A vacuum stirring powder treatment device is designed, and vacuum pumping of the stirring drum is achieved by setting a pumping interface and a pumping pipe on the stirring drum and connecting it with the vacuum pump and the powder collection assembly, thereby avoiding powder floating.
It effectively avoids the floating phenomenon of the powder during the stirring process, and improves the stirring and mixing effect of the stirring rod on the powder.
Smart Images
Figure CN222766132U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder stirring devices, in particular to a vacuum stirring powder processing device. Background Art
[0002] In the process of industrial production, it is often necessary to mix two or more powders. In the process of mixing the powders, a powder stirring device is needed. When the powder stirring devices currently available on the market are used, two or more powders are poured into the mixing drum through a feed hopper located on the mixing drum, and then the powder stirring device can stir and mix the powders entering the mixing drum through a stirring rod located inside it. However, due to the light weight of the powder and the presence of air in the mixing drum, the powder is easily caused to float in the mixing drum during the stirring and mixing of the powder by the stirring rod, and then there is a disadvantage that the stirring rod has a poor stirring and mixing effect on the powder. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a vacuum stirring powder processing device, which can evacuate the stirring drum, so that when the stirring rod stirs and mixes the powder in the stirring drum, the powder can be prevented from floating, thereby improving the stirring and mixing effect of the stirring rod on the powder.
[0004] The utility model provides a vacuum stirring powder processing device, comprising a stirring drum, a drum cover, a feed cover, a motor, a rotating shaft, an exhaust pipe, a powder collecting component and a vacuum pump; the drum cover is sealingly fixed to the opening at the upper end of the stirring drum, a feed hopper is arranged in the middle of the upper end of the drum cover, the feed cover is sealingly covered at the upper end of the feed hopper, the motor is fixed to the lower end of the stirring drum, the rotating shaft is vertically arranged on the inner side of the stirring drum, the lower end of the rotating shaft is drivingly connected with the output shaft of the motor, a plurality of stirring rods are fixed on the outer wall of the rotating shaft, each stirring rod extends in the radial direction of the rotating shaft, and a discharge valve is connected to one side of the lower end of the stirring drum; an exhaust interface is arranged on one side of the upper end of the stirring drum, one end of the exhaust pipe is connected to the exhaust interface, the other end of the exhaust pipe is connected to the air inlet interface of the powder collecting component, and the air outlet of the powder collecting component is connected to the air inlet of the vacuum pump.
[0005] The utility model can evacuate the mixing drum, so that when the stirring rod stirs and mixes the powder in the mixing drum, the powder can be prevented from floating, thereby improving the stirring and mixing effect of the stirring rod on the powder.
[0006] In a possible implementation, one side of the feed cover is rotatably connected to one side of the upper end of the feed hopper by a hinge, and the other side of the feed cover is locked with the other side of the upper end of the feed hopper by a buckle; after adopting this structure, under the action of the hinge, one side of the feed cover can be reliably rotatably connected to one side of the upper end of the feed hopper by the hinge, and under the action of the buckle, the other side of the feed cover can be reliably locked with the other side of the upper end of the feed hopper by the buckle; when the buckle is in an unlocked state, the feed cover can be rotated open relative to the feed hopper, and at this time, the powder can be added to the mixing drum through the feed hopper.
[0007] In a possible embodiment, the powder collection assembly includes a collection barrel, a cover body and a filter barrel; the cover body is sealingly connected to the opening at the upper end of the collection barrel, and the air inlet interface is arranged in the middle of the cover body; the middle of the lower end of the collection barrel forms an air outlet of the powder collection assembly; the filter barrel is arranged inside the collection barrel, and a gap is left between the lower end of the filter barrel and the inner bottom of the collection barrel, and a plurality of air vents are arranged on the bottom and side walls of the filter barrel, a filter screen is fixed on the inner wall of the filter barrel, and an annular convex edge is arranged on the outer wall of the upper end of the filter barrel, and the outer wall of the annular convex edge is circumferentially sealed with the inner wall of the collection barrel; after adopting this powder collection assembly, when the vacuum pump is working, the powder collection assembly located at the stirring The air in the mixing barrel can be sucked into the collecting barrel through the exhaust pipe, and the air entering the collecting barrel can be sucked away by the vacuum pump. Due to the setting of the filter barrel and the filter screen on the inner wall of the filter barrel, the filter screen can filter and collect the powder in the air flowing through the filter screen to prevent the powder from entering the vacuum pump. Since an annular convex edge is provided on the outer wall of the upper end of the filter barrel, the outer wall of the annular convex edge is circumferentially sealed with the inner wall of the collecting barrel, thereby preventing the powder from entering the vacuum pump through the gap between the annular convex edge and the collecting barrel. In addition, since a gap is left between the lower end of the filter barrel and the inner bottom of the collecting barrel, it is convenient for the vacuum pump to suck the air entering the collecting barrel.
[0008] In a possible embodiment, the lower end of the cover body is inserted into the opening at the upper end of the collecting barrel, and a first sealing ring is embedded on the outer peripheral wall of the lower end of the cover body. The first sealing ring is tightly sealed to the cover body and the inner wall of the collecting barrel, and the cover body is locked to the collecting barrel by a plurality of lock buckles distributed at circumferential intervals. Through the provision of the first sealing ring, after the cover body is closed to the opening at the upper end of the collecting barrel, the first sealing ring can reliably seal the gap between the cover body and the collecting barrel, that is, the cover body can be reliably sealed and connected to the opening at the upper end of the collecting barrel, and under the action of the lock buckle, the cover body can be reliably locked to the opening at the upper end of the collecting barrel. When the lock buckle is unlocked, the cover body can be removed from the collecting barrel.
[0009] In a possible embodiment, a second sealing ring is embedded on the outer peripheral wall of the annular flange, and the second sealing ring is tightly sealed against the annular flange and the inner wall of the collecting barrel; through the provision of the second sealing ring, after the filter barrel is placed in the collecting barrel, the second sealing ring can reliably seal the gap between the annular flange and the inner wall of the collecting barrel, thereby preventing powder from entering the vacuum pump through the gap between the annular flange and the collecting barrel.
[0010] In one possible embodiment, a handle is fixed to the upper end of the annular flange; through the setting of the handle, when it is necessary to take the filter barrel out of the collection barrel and clean the filter screen, the staff can pull the filter barrel out of the collection barrel through the handle, which can facilitate the process of taking the filter barrel out of the collection barrel.
[0011] In one possible embodiment, a plurality of support blocks are fixed on the outer bottom of the filter barrel and are distributed at circumferential intervals, and the support blocks are supported on the inner bottom of the collection barrel so that a gap is left between the lower end of the filter barrel and the inner bottom of the collection barrel; by adopting this structure, under the action of the support blocks, the support blocks can reliably support the filter barrel on the inner bottom of the collection barrel, and leave a gap between the lower end of the filter barrel and the inner bottom of the collection barrel, thereby facilitating the vacuum pump to draw air into the collection barrel. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a partial cross-sectional structural schematic diagram of the utility model;
[0013] Figure 2 for Figure 1 The schematic diagram of the structure after the enlargement of A in the middle;
[0014] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at point B. DETAILED DESCRIPTION
[0015] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.
[0016] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0017] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0018] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0019] See also Figure 1-3 As shown, the embodiment of the present application discloses a vacuum stirring powder processing device, comprising a stirring drum 1, a drum cover 2, a feed cover 3, a motor 4, a rotating shaft 5, an exhaust pipe 6, a powder collecting assembly and a vacuum pump 7; the drum cover 2 is sealed and fixed at the opening at the upper end of the stirring drum 1, a feed hopper 21 is arranged in the middle of the upper end of the drum cover 2, the feed cover 3 is sealed and covered at the upper end of the feed hopper 21, the motor 4 is fixed on the lower end of the stirring drum 1, the rotating shaft 5 is vertically arranged on the inner side of the stirring drum 1, and the lower end of the rotating shaft 5 is connected to the stirring drum 1. The output shaft of the motor 4 is connected in a transmission manner, and a plurality of stirring rods 51 are fixed on the outer wall of the rotating shaft 5, each stirring rod 51 extends in the radial direction of the rotating shaft 5, and a discharge valve 11 is connected to one side of the lower end of the mixing drum 1; an exhaust interface 12 is provided on one side of the upper end of the mixing drum 1, one end of the exhaust pipe 6 is connected to the exhaust interface 12, and the other end of the exhaust pipe 6 is connected to the air inlet interface 821 of the powder collection assembly, and the air outlet of the powder collection assembly is connected to the air inlet of the vacuum pump 7; the above-mentioned exhaust pipe is a flexible pipe.
[0020] When using the utility model, first open the feed cover and pour two or more powders into the mixing drum through the feed hopper, then make the feed cover sealably cover the upper end of the feed hopper, then turn on the vacuum pump to make the vacuum pump evacuate the mixing drum through the powder collecting component, then turn off the vacuum pump and turn on the motor to make the stirring rod stir and mix the powders in the mixing drum (the degree to which the vacuum pump evacuates the mixing drum can be achieved by controlling the working time of the vacuum pump, or the vacuum pump can be manually turned off by observing the vacuum gauge on the vacuum pump), and the powders are stirred and mixed. After the mixing drum is fully closed (after the mixing drum is evacuated, when the stirring rod stirs and mixes the powder in the mixing drum, the floating of the powder can be avoided, thereby improving the stirring and mixing effect of the stirring rod on the powder), open the discharge valve to allow the stirred and mixed powder to be discharged out of the mixing drum through the discharge valve (after the discharge valve is opened, the air in the external environment can enter the mixing drum through the discharge valve. At this time, the negative pressure state in the mixing drum is released, and the motor is in a state of continuously driving the stirring rod to rotate, so that the powder in the mixing drum can be smoothly discharged from the mixing drum).
[0021] One side of the feed cover 3 is rotatably connected to one side of the upper end of the feed hopper 21 through a hinge 31, and the other side of the feed cover 3 is locked with the other side of the upper end of the feed hopper 21 through a buckle 32; after adopting this structure, under the action of the hinge, one side of the feed cover can be reliably rotatably connected to one side of the upper end of the feed hopper through the hinge, and under the action of the buckle, the other side of the feed cover can be reliably locked with the other side of the upper end of the feed hopper through the buckle; when the buckle is in an unlocked state, the feed cover can be rotated open relative to the feed hopper, and at this time, the powder can be added to the mixing drum through the feed hopper.
[0022] The powder collecting assembly comprises a collecting barrel 81, a cover 82 and a filtering barrel 83; the cover 82 is sealingly connected to the opening at the upper end of the collecting barrel 81, and the air inlet interface 821 is arranged in the middle of the cover 82; the middle part of the lower end of the collecting barrel 81 forms the air outlet of the powder collecting assembly; the filtering barrel 83 is arranged inside the collecting barrel 81, and a gap is left between the lower end of the filtering barrel 83 and the inner bottom of the collecting barrel 81, and a plurality of air vents 831 are arranged on the bottom and side walls of the filtering barrel 83, a filter screen 84 is fixed on the inner wall of the filtering barrel 83, and an annular convex edge 832 is arranged on the outer wall of the upper end of the filtering barrel 83, and the outer side wall of the annular convex edge 832 is circumferentially sealed with the inner side wall of the collecting barrel 81; by adopting this powder collecting assembly, the powder collecting assembly 81 is provided with a filter screen 84, and the outer side wall of the annular convex edge 832 is circumferentially sealed with the inner side wall of the collecting barrel 81; After the components are assembled, when the vacuum pump is working, the air in the mixing drum can be sucked into the collecting barrel through the exhaust pipe, and the air entering the collecting barrel can be sucked away by the vacuum pump, and due to the setting of the filter barrel and the filter screen on the inner wall of the filter barrel, the filter screen can filter and collect the powder in the air flowing through the filter screen to prevent the powder from entering the vacuum pump; since an annular convex edge is provided on the outer wall of the upper end of the filter barrel, the outer wall of the annular convex edge is circumferentially sealed with the inner wall of the collecting barrel, thereby preventing the powder from entering the vacuum pump through the gap between the annular convex edge and the collecting barrel; in addition, since a gap is left between the lower end of the filter barrel and the inner bottom of the collecting barrel, it is convenient for the vacuum pump to suck the air entering the collecting barrel.
[0023] The lower end of the cover body 82 is inserted into the opening at the upper end of the collecting barrel 81, and a first sealing ring 822 is embedded on the outer peripheral wall of the lower end of the cover body 82. The first sealing ring 822 is tightly sealed to the cover body 82 and the inner wall of the collecting barrel 81, and the cover body 82 is locked to the collecting barrel 81 by a plurality of locking buckles 823 distributed at circumferential intervals; through the setting of the first sealing ring, after the cover body is closed to the opening at the upper end of the collecting barrel, the first sealing ring can reliably seal the gap between the cover body and the collecting barrel, that is, the cover body can be reliably sealed and connected to the opening at the upper end of the collecting barrel, and under the action of the locking buckle, the cover body can be reliably locked to the opening at the upper end of the collecting barrel, and when the locking buckle is unlocked, the cover body can be removed from the collecting barrel.
[0024] A second sealing ring 833 is embedded on the outer peripheral wall of the annular flange 832, and the second sealing ring 833 is tightly sealed to the annular flange 832 and the inner wall of the collecting barrel 81; through the setting of the second sealing ring, after the filter barrel is placed in the collecting barrel, the second sealing ring can reliably seal the gap between the annular flange and the inner wall of the collecting barrel, thereby preventing powder from entering the vacuum pump through the gap between the annular flange and the collecting barrel.
[0025] A handle 834 is fixed to the upper end of the annular flange 832; through the setting of the handle, when it is necessary to take the filter barrel out of the collection barrel and clean the filter, the staff can pull the filter barrel out of the collection barrel through the handle, which can facilitate the process of taking the filter barrel out of the collection barrel.
[0026] A plurality of support blocks 835 are fixed on the outer bottom of the filter barrel 83 and are distributed at circumferential intervals. The support blocks 835 are supported on the inner bottom of the collection barrel 81 so that a gap is left between the lower end of the filter barrel 83 and the inner bottom of the collection barrel 81. By adopting this structure, under the action of the support blocks, the support blocks can reliably support the filter barrel on the inner bottom of the collection barrel, and leave a gap between the lower end of the filter barrel and the inner bottom of the collection barrel, thereby facilitating the vacuum pump to suck the air into the collection barrel.
[0027] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.
Claims
1. A vacuum stirring powder processing device, characterized in that: The invention comprises a mixing drum (1), a drum cover (2), a feed cover (3), a motor (4), a rotating shaft (5), an exhaust pipe (6), a powder collecting assembly and a vacuum pump (7); the drum cover (2) is sealingly fixed to the opening at the upper end of the mixing drum (1); a feed hopper (21) is arranged in the middle of the upper end of the drum cover (2); the feed cover (3) is sealingly covered at the upper end of the feed hopper (21); the motor (4) is fixed to the lower end of the mixing drum (1); the rotating shaft (5) is vertically arranged on the inner side of the mixing drum (1); the lower end of the rotating shaft (5) is connected to the motor The rotating shaft (4) is connected to the output shaft of the rotating shaft (5), a plurality of stirring rods (51) are fixed on the outer wall of the rotating shaft (5), each of the stirring rods (51) extends in the radial direction of the rotating shaft (5), and a discharge valve (11) is connected to one side of the lower end of the mixing drum (1); an exhaust interface (12) is provided on one side of the upper end of the mixing drum (1), one end of the exhaust pipe (6) is connected to the exhaust interface (12), and the other end of the exhaust pipe (6) is connected to the air inlet interface (821) of the powder collection component, and the air outlet of the powder collection component is connected to the air inlet of the vacuum pump (7).
2. The vacuum stirring powder processing device according to claim 1, characterized in that: One side of the feed cover (3) is rotatably connected to one side of the upper end of the feed hopper (21) via a hinge (31), and the other side of the feed cover (3) is locked to the other side of the upper end of the feed hopper (21) via a buckle (32).
3. The vacuum stirring powder processing device according to claim 1 or 2, characterized in that: The powder collection assembly comprises a collection barrel (81), a cover body (82) and a filter barrel (83); the cover body (82) is sealingly connected to the opening at the upper end of the collection barrel (81), and the air inlet interface (821) is arranged in the middle of the cover body (82); the middle of the lower end of the collection barrel (81) forms an air outlet of the powder collection assembly; the filter barrel (83) is arranged inside the collection barrel (81), and a gap is left between the lower end of the filter barrel (83) and the inner bottom of the collection barrel (81); a plurality of air vents (831) are arranged on the bottom and side walls of the filter barrel (83); a filter screen (84) is fixed on the inner wall of the filter barrel (83); an annular convex edge (832) is arranged on the outer wall of the upper end of the filter barrel (83); the outer side wall of the annular convex edge (832) is circumferentially sealed with the inner side wall of the collection barrel (81).
4. The vacuum stirring powder processing device according to claim 3, characterized in that: The lower end of the cover body (82) is inserted into the opening at the upper end of the collection barrel (81), and a first sealing ring (822) is embedded on the outer peripheral wall of the lower end of the cover body (82). The first sealing ring (822) is tightly sealed with the cover body (82) and the inner wall of the collection barrel (81), and the cover body (82) is locked with the collection barrel (81) by a plurality of locking buckles (823) distributed at circumferential intervals.
5. The vacuum stirring powder processing device according to claim 3, characterized in that: A second sealing ring (833) is embedded on the outer peripheral wall of the annular convex edge (832), and the second sealing ring (833) is tightly sealed against the annular convex edge (832) and the inner wall of the collection barrel (81).
6. The vacuum stirring powder processing device according to claim 3, characterized in that: A handle (834) is fixed to the upper end of the annular flange (832).
7. The vacuum stirring powder processing device according to claim 3, characterized in that: A plurality of support blocks (835) are fixed to the outer bottom of the filter barrel (83) and are distributed at intervals in the circumferential direction. The support blocks (835) are supported on the inner bottom of the collection barrel (81) so that a gap is left between the lower end of the filter barrel (83) and the inner bottom of the collection barrel (81).