Dust cover
By designing a dustproof cover, using plugs and dust-free cloth gloves to isolate the powder environment, and treating the powder through a vacuum cleaner, the problem of the operators inhaling the powder and explosion risks during the powder screening process is solved, achieving a relatively dust-free environment and reducing explosions. The effect of risk.
Patent Information
- Application Number
- CN202421150028.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-23
AI Technical Summary
During the process of screening the powder, it is difficult for operators to avoid inhaling the powder, which poses a health risk, and the powder is prone to explosion when screening in a closed environment.
A dustproof cover is designed, including a cover, plug, operating port and vacuum cleaner. The cover is set up with a plug and dust-free glove to form a relatively dust-free environment; the vacuum cleaner is used to timely treat the powder in the cover to reduce the risk of explosion.
It effectively reduces the risk of operators inhaling powder, reduces the risk of explosion, and replaces large dust-free workshops, reducing the footprint.
Smart Images

Figure CN222428553U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vibrating powder screening machines, in particular to a dust cover. Background Art
[0002] In the process of making tablets or pills, the powder is first screened by a vibrating powder screening machine (7), and then compressed and formed by other machines, etc. The powder can enter from the inlet (701) of the vibrating powder screening machine (7), and after a period of vibration screening, it is discharged from a plurality of outlets (702) on the side of the vibrating powder screening machine (7).
[0003] However, the powder screening step has extremely stringent environmental requirements and needs to be carried out in a dust-free environment. At present, most of the powder screening steps are arranged in a renovated factory building (i.e., a dust-free workshop). The factory building occupies a large area and the dust removal equipment required is also large. However, when operators screen the powder in the workshop, they will inevitably inhale the powder, which will pose a certain risk to the physical and mental health of the operators. Moreover, when the powder is screened in a relatively closed environment, there is a risk of explosion when the concentration of the powder reaches a certain level. Therefore, it is urgent to design a dust cover for the vibrating powder screening machine.
[0004] The defects of the above-mentioned prior art are that the operator will inevitably inhale the powder when screening the powder, which will pose a certain risk to the operator's physical and mental health. In addition, the powder is screened in a relatively closed environment. When the concentration of the powder reaches a certain level, there is a risk of explosion. Utility Model Content
[0005] The purpose of the utility model is to provide a dust cover to solve the technical problem that an operator will inevitably inhale medicine powder when sieving the powder, which will pose a certain risk to the operator's physical and mental health, and that when the medicine powder is sifted in a relatively closed environment, there is a risk of explosion when the concentration of the medicine powder reaches a certain level.
[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model provides a dust cover, including a cover shell, a cavity for accommodating a vibrating powder screening machine is provided inside the cover shell, and a plug is movably provided on the top of the cover shell; operating ports protruding from the inside to the outside are respectively provided on the left and right side walls of the cover shell, and the operating ports are used to install a cap or a dust-free cloth glove; a vacuum cleaner is detachably connected to the side of the cover shell.
[0007] Furthermore, a first through hole is provided in the middle of the top end of the cover shell, which passes through the cover shell from top to bottom, and the plug is sealed and matched with the first through hole through a sealing ring.
[0008] Furthermore, a circle of grooves is provided at the lower end of the plug, and the grooves are used to place the sealing ring.
[0009] Furthermore, a horizontally extending handle is fixedly provided on the upper end of the plug to facilitate the insertion and removal of the plug.
[0010] Furthermore, a plurality of convex rings are arranged around the operation port, and the dust-free cloth gloves are fixed on the plurality of convex rings by ropes.
[0011] Furthermore, a plurality of concave rings are arranged on the inner side of the cap, and the plurality of concave rings and the plurality of convex rings can realize position locking.
[0012] Furthermore, a second through hole penetrating horizontally is provided on the right side wall of the housing, the second through hole is adapted to the size of the pipeline, and the vacuum cleaner is detachably connected to the housing through the pipeline.
[0013] Furthermore, the second through hole is arranged below the right operating port to facilitate dust collection.
[0014] Furthermore, the plug is integrally formed.
[0015] Furthermore, the cover shell is formed by splicing acrylic plates.
[0016] In summary, the use of the technical solution of the utility model has the following beneficial effects: the structural design of the utility model is reasonable. (1) The cover of the utility model can separate the powder environment inside the cover from the dust environment outside the cover to a certain extent by setting a plug and installing dust-free cloth gloves on the operating port, so as to form a relatively dust-free environment to replace the existing large dust-free workshop, reduce the floor space and greatly reduce the risk of the operator inhaling powder to protect the physical and mental health of the operator; (2) The utility model is convenient for the operator to use the vacuum cleaner to deal with the powder in the inner cavity of the cover in time by setting a vacuum cleaner and adding the ventilation function of the dust-free cloth gloves to reduce the risk of explosion. The utility model has a simple structure and low cost, which greatly improves the competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model when the cover cap is removed and the utility model is assembled with a vibrating powder screening machine;
[0018] Figure 2 yes Figure 1 A detailed enlarged structural diagram;
[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when the cap is installed and the dust-free cloth gloves, the vacuum cleaner and the pipeline are removed;
[0020] Figure 4 yes Figure 3 Schematic diagram of the explosion structure;
[0021] Figure 5 yes Figure 3 Schematic diagram of the rear view structure.
[0022] Description of reference numerals: 1-housing, 101-operating port, 1011-convex ring, 102-first through hole, 103-second through hole, 2-plug, 201-slot, 202-handle, 3-cap, 4-dust-free cloth glove, 5-vacuum cleaner, 6-pipeline;
[0023] 7-vibrating powder screening machine, 701-feeding port, 702-discharging port. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention, but this does not constitute a limitation on the protection scope of the present invention.
[0025] In the present invention, for a clearer description, the following explanation is made: the observer faces the attached Figure 5 For observation, the left side of the observer is set as left, the right side of the observer is set as right, the front of the observer is set as front, the rear of the observer is set as rear, the top of the observer is set as top, and the bottom of the observer is set as bottom. It should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle", "top", "bottom" and the like in the text indicate the orientation or position relationship based on the orientation or position relationship set in the drawings, which is only for the convenience of clearly describing the utility model, and does not indicate or imply that the structure or component referred to must have a specific orientation or be constructed in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", and "fourth" are only used for the purpose of clarity or simplification of description, and cannot be understood as indicating or implying relative importance or quantity.
[0026] See also Figures 1 to 5The present embodiment provides a dust cover, comprising a housing 1, wherein a cavity for accommodating a vibrating powder screening machine 7 is provided inside the housing 1, and a plug 2 is movably provided on the top of the housing 1; operation ports 101 protruding from the inside to the outside are provided on the left and right side walls of the housing 1, respectively, and the operation ports 101 are used to install a cap 3 or a dust-free cloth glove 4; and a dust collector 5 is detachably connected to the side of the housing 1. Function: (1) The housing 1 of the utility model can separate the powder environment inside the housing 1 from the dust environment outside the housing 1 to a certain extent by providing the plug 2 and installing the dust-free cloth glove 4 on the operation port 101, so as to form a relatively dust-free environment to replace the existing large dust-free workshop, reduce the floor space, and greatly reduce the risk of the operator inhaling the powder, so as to protect the physical and mental health of the operator; (2) The utility model can facilitate the operator to use the dust collector 5 to timely process the powder in the inner cavity of the housing 1 by providing the dust collector 5 and the ventilation function of the dust-free cloth glove 4, so as to reduce the risk of explosion.
[0027] Specifically, a first through hole 102 is provided in the middle of the top of the housing 1, and the plug 2 is sealed with the first through hole 102 through a sealing ring. More specifically, the first through hole 102 corresponds to the position of the feed port of the vibrating powder screening machine 7. In actual application, the plug 2 should be removed first, and the powder enters the feed port directly from the first through hole 102 due to gravity. After the feeding is completed, the plug 2 is blocked back to the first through hole 102 to prevent dust from entering the housing 1 and contaminating the powder.
[0028] Specifically, a circle of grooves 201 are arranged at the lower end of the plug 2, and the grooves 201 are used to place the sealing ring. Function: Through the arrangement of the sealing ring, the housing 1 forms a relatively closed environment to replace the environment of the dust-free workshop.
[0029] Specifically, a horizontally extending handle 202 is fixedly provided on the upper end of the plug 2 to facilitate the insertion and removal of the plug 2.
[0030] Specifically, a plurality of convex rings 1011 are wound around the operation port 101, and the dust-free cloth gloves 4 are fixed on the plurality of convex rings 1011 by ropes. More specifically, the position of the operation port 101 corresponds to the position of the discharge port 702. In practical applications, (1) the rope can be replaced with a cable tie; (2) the dust-free cloth gloves 4 can be disposable gloves, which can isolate external dust from entering the inner cavity of the housing 1 on the one hand, and have a breathable function on the other hand, so as to facilitate the use of the vacuum cleaner 5; (3) the operation port of the utility model is arranged to bulge outward, so that the operator can install and remove the dust-free cloth gloves 4 on the outside of the housing 1.
[0031] Specifically, a plurality of concave rings are arranged inside the cap 3, and the plurality of concave rings and the plurality of convex rings 1011 can realize position locking. In practical application, after the powder is screened, the dust-free cloth gloves 4 are removed and the cap 3 is covered to prevent external dust from entering the inner cavity of the housing 1.
[0032] Specifically, a second through hole 103 is horizontally provided on the right side wall of the housing 1, and the second through hole 103 is adapted to the size of the pipe 6, and the vacuum cleaner 5 is detachably connected to the housing 1 through the pipe 6. In actual application, the vacuum cleaner 5 is not fixed as a whole with the utility model, and can be removed and used separately, so that the utilization rate of the vacuum cleaner 5 is maximized.
[0033] Specifically, the second through hole 103 is disposed below the right operation port 101 to facilitate dust collection.
[0034] Specifically, the plug 2 is formed in one piece. Function: By setting the plug 2 in an integrated structure, it is convenient for the operator to use it in daily life.
[0035] Specifically, the cover 1 is formed by splicing acrylic plates.
[0036] The steps of using the utility model are as follows: (1) tie the dust-free cloth bag to the discharge port 702 with a rope; (2) place the cover of the utility model on the vibrating powder screening machine 7; (3) connect the vacuum cleaner 5 to the inner cavity of the cover shell 1 through the pipe 6; (4) open the cap 3, and place the ankle of the dust-free cloth glove 4 on the outer ring 1011 and fix it in the groove between the convex rings 1011 with a rope; (5) open the plug 2, pour in the powder to be screened, and then cover the plug 2 for vibrating screening.
[0037] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.
Claims
1. A dust cover, characterized in that: The invention comprises a cover shell (1), wherein a cavity for accommodating a vibrating powder screening machine (7) is provided inside the cover shell (1), and a plug (2) is movably provided on the top of the cover shell (1); operating openings (101) protruding from the inside to the outside are respectively provided on the left and right side walls of the cover shell (1), and the operating openings (101) are used to install a cap (3) or a dust-free cloth glove (4); and a vacuum cleaner (5) is detachably connected to the side of the cover shell (1).
2. A dust cover according to claim 1, characterized in that: A first through hole (102) is provided in the middle of the top end of the cover shell (1) and passes through the cover shell (1) from top to bottom, and the plug (2) is sealed with the first through hole (102) via a sealing ring.
3. A dust cover according to claim 2, characterized in that: A circle of grooves (201) are provided at the lower end of the stopper (2), and the grooves (201) are used to place the sealing ring.
4. A dust cover according to claim 3, characterized in that: A horizontally extending handle (202) is fixedly provided on the upper end of the plug (2) to facilitate insertion and removal of the plug (2).
5. The dust cover according to claim 1, characterized in that: A plurality of convex rings (1011) are arranged around the operation port (101), and the dust-free cloth gloves (4) are fixed on the plurality of convex rings (1011) by means of ropes.
6. A dust cover according to claim 5, characterized in that: A plurality of concave rings are arranged on the inner side of the cover cap (3), and the plurality of concave rings and the plurality of convex rings (1011) can achieve position locking.
7. The dust cover according to claim 1, characterized in that: A second through hole (103) extending horizontally through the right side wall of the housing (1) is provided. The second through hole (103) is adapted in size to the pipe (6). The vacuum cleaner (5) is detachably connected to the housing (1) via the pipe (6).
8. A dust cover according to claim 7, characterized in that: The second through hole (103) is arranged below the right operating port (101) to facilitate dust collection.
9. A dust cover according to any one of claims 1 to 8, characterized in that: The plug (2) is integrally formed.
10. A dust cover according to any one of claims 1 to 8, characterized in that: The cover shell (1) is formed by splicing acrylic plates.