Dust removal device and tablet press
By using a combination of a guide plate, an inclined air pipe, and an exhaust fan in the tablet press, the problem of incomplete dust removal during tablet discharge is solved, achieving efficient dust removal and tablet distribution, and improving the dust removal effect.
Patent Information
- Application Number
- CN202520266283.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing tablet presses do not remove dust from tablets thoroughly during discharge, especially when tablets are piled up or the discharge speed is too fast, the dust removal effect is not ideal.
The material hopper is divided by a guide plate, and the dust filtration zone is used in conjunction with the inclined air blowing pipe and exhaust fan. The multiple actions of blowing and suction are used to achieve thorough dust removal, and the vibration mechanism is combined to improve the material distribution effect.
It significantly improves the dust removal effect of tablets, has a simple structure and high efficiency, can effectively remove dust, prevent tablets from accumulating and improve the dust removal effect during the discharge process.
Smart Images

Figure CN223948642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tablet press technical field especially a dust collector and tablet press. BACKGROUND
[0002] In the production process of medicine tablets, tablet press is usually needed, which will press the granular or powdery raw medicine into tablets in the die hole by punch, and the pressed tablets will usually carry a large amount of dust when discharging from the discharge pipe of the tablet press. Figure 1 As shown in the prior art, a dust hood 10 is usually arranged above the discharge pipe 91, and a dust suction fan is arranged above the dust hood 10 in communication, which uses the dust suction fan to suck and collect the dust in the discharge pipe 91. Although this method has a certain dust removal effect, the dust removal is not thorough, for example, when the tablets in the discharge pipe are too much or the discharging speed is too fast, the dust removal effect is not ideal. SUMMARY
[0003] In view of the above problems, the utility model aims at providing a dust collector and tablet press to solve the technical problem of incomplete tablet dust removal during discharging of the existing tablet press.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A dust collector comprises a stock bin provided with a feeding port and a discharging port, a guide plate arranged in the stock bin, the guide plate separating the stock bin into a treatment chamber and a collection chamber, a gas blowing disc arranged above the guide plate, and a vibrating mechanism for vibrating the guide plate, wherein the guide plate is provided with a gap between its two sides and the inner wall of the stock bin, and the gap forms a powder falling channel; the lower surface of the gas blowing disc is provided with a plurality of groups of gas blowing pipes along the feeding direction, and each group of gas blowing pipes is arranged obliquely towards the powder falling channel on both sides.
[0006] When the dust collector is in use, the material is distributed on the guide plate, and the guide plate is blown and dusted by the obliquely arranged gas blowing pipes, so that the dust in the material is removed more thoroughly, the dust removal effect is greatly improved, and the structure is simple and efficient.
[0007] Optionally, the guide plate is arranged obliquely from one end of the feeding port to the other end, and the discharging port is located on one side of the low end of the oblique guide plate.
[0008] Optionally, the inclination angle of the gas blowing pipe is 10°-45°.
[0009] Optionally, a blower is arranged on the stock bin, and the output end of the blower is arranged in communication with the internal cavity of the gas blowing disc.
[0010] Optionally, the dust removal device further comprises an air extractor, and an input end of the air extractor is communicated with the collecting chamber.
[0011] Optionally, a dust filtering area is arranged at a middle position of the material guide plate, and a plurality of filtering holes are arranged on the dust filtering area.
[0012] Optionally, the vibration mechanism is a pneumatic vibration mechanism, which comprises a pneumatic hammer and an air compressor, an air outlet of the air compressor is connected with an air inlet of the pneumatic hammer through a pipeline, and a power output end of the pneumatic hammer is connected with a lower surface of the material guide plate.
[0013] Optionally, the dust removal device further comprises a mounting table, the mounting table is arranged at a bottom of the material guide plate, a gap is arranged between the mounting table and an inner wall of the material bin, and a through hole with an area larger than that of the dust filtering area is arranged at a middle position of the mounting table.
[0014] Optionally, an inclined surface matched with the material guide plate is arranged on an upper surface of the mounting table, and the material guide plate is arranged on the upper surface of the mounting table in an inclined mode.
[0015] Optionally, the vibration mechanism comprises a driving motor arranged on the mounting table, a cam is arranged on a power output end of the driving motor, the cam is intermittently contacted with the material guide plate, a sliding groove is arranged on the mounting table at two sides of the through hole, a sliding rod is arranged in the sliding groove, a sliding block is sleeved on the sliding rod, an upper end of the sliding block extends out of the sliding groove and is connected with the material guide plate, and a telescopic spring is sleeved on the sliding rod between the sliding block and an inner wall of the sliding groove.
[0016] A tablet press comprises the dust removal device, a discharging pipe of a tablet press body is connected with a feeding port of the material bin of the dust removal device, and a discharging end of the discharging pipe is arranged above a side of the material guide plate.
[0017] Compared with the prior art, the dust removal device has the following beneficial effects:
[0018] In use, the material is distributed on the material guide plate, the material guide plate is blown and dusted by the inclined air blowing pipe, the dust in the material is removed completely by the multiple effects of the air extractor and the dust filtering area, the dust removal effect is greatly improved, and the dust removal device has simple structure and high efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0020] Figure 1 It is a structural schematic diagram of the prior art.
[0021] Figure 2 It is a front view structural schematic diagram of an embodiment of the dust removal device in the present application.
[0022] Figure 3 It is a side view structural schematic diagram of an embodiment of the dust removal device in the present application.
[0023] Figure 4 It is a structural schematic diagram of embodiment 4.
[0024] Figure 5 It is a structural schematic diagram of an embodiment of the tablet press in the present application.
[0025] The drawings are as follows: 1, silo; 1a, processing chamber; 1b, collection chamber; 11, feeding port; 12, discharging port; 13, powder falling channel; 2, guide plate; 21, dust filtration area; 3, air blowing disc; 31, air blowing pipe; 4, air blower; 5, vibration mechanism; 51, driving motor; 52, cam; 6, air suction fan; 7, mounting table; 71, through hole; 72, sliding chute; 73, sliding rod; 74, sliding block; 75, extension spring; 8, pneumatic vibration mechanism; 81, pneumatic hammer; 82, air compressor; 9, tablet press body; 91, discharging pipe; 10, dust collection cover. DETAILED DESCRIPTION
[0026] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0027] In the description of the embodiments of the utility model application, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "end", "side" and the like are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the utility model application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the utility model application.
[0028] In the embodiments of the utility model application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection, or can be communication; can be directly connected, can also be indirectly connected through an intermediate medium, or can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the embodiments of the utility model application can be understood according to the specific circumstances.
[0029] In the embodiments of the utility model application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "above", "upper" and "upper surface" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0030] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the utility model application. In order to simplify the disclosure of the embodiments of the utility model application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the utility model application. In addition, the embodiments of the utility model application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed.
[0031] The embodiments of the utility model will be described in detail below with reference to the drawings.
[0032] Embodiment 1
[0033] As shown in Figure 2 and Figure 3 The utility model discloses an application embodiment provides a dust collector, including bunker 1, guide plate 2, blow -off disc 3, blower 4 and vibration mechanism 5.
[0034] The left and right sides of bunker 1 are respectively provided with feed inlet 11 and discharge port 12. Guide plate 2 is arranged in bunker 1, and guide plate 2 divides bunker 1 into treatment chamber 1a and collection chamber 1b. Guide plate 2 has a gap between the two sides and the front and rear inner walls of bunker 1, and the gap forms falling powder channel 13, that is, collection chamber 1b is connected in communication through falling powder channel 13. Blow -off disc 3 is arranged above guide plate 2, and the lower surface of blow -off disc 3 is provided with a plurality of blow -off pipes 31. Each group of blow -off pipes 31 is inclinedly arranged towards the falling powder channel 13 on both sides, that is, each group of blow -off pipes 31 is composed of a plurality of blow -off pipes arranged at intervals, and each group of blow -off pipes 31 is inclinedly arranged from the center line of blow -off disc 3 towards both sides. Vibration mechanism 5 is used to generate vibration to guide plate 2 to realize the vibration feeding of guide plate 2.
[0035] In use, the material falls into guide plate 2 from feed inlet 11. In the feeding process, guide plate 2 is blown by blow -off disc 3 and the inclinedly arranged blow -off pipes 31 to blow the dust in the material towards the falling powder channel 13 on both sides of guide plate 2. The material falling on guide plate 2 is distributed on the upper surface of guide plate 2 under the action of vibration mechanism 5. At the same time, the dust removal effect of the tablets is greatly improved by blowing through a plurality of blow -off pipes 31 at the same time.
[0036] Optionally, guide plate 2 is inclinedly arranged from one end of feed inlet 11 to the other end, and discharge port 12 is located on the side of the low end of the inclination of guide plate 2.
[0037] Optionally, the inclination angle of blow -off pipe 31 is 10 ° ~ 45 °.
[0038] Further, blower 4 is installed at the top of bunker 1, and the output end of blower 4 is in communication with the internal cavity of blow -off disc 3. Blower 4 provides airflow to blow -off disc 3, and blow -off pipe 31 blows the airflow obliquely towards the falling powder channel 13 on both sides to blow the dust into collection chamber 1b.
[0039] In an embodiment, a suction fan 6 is further arranged outside bunker 1, and the input end of suction fan 6 is in communication with collection chamber 1b through a pipeline. In use, suction fan 6 is used to suck away the dust in collection chamber 1b. Optionally, the output end of suction fan 6 can be connected to a dust removal box, and suction fan 6 sends the dust sucked out of collection chamber 1b into the dust removal box for filtering treatment. In this embodiment, suction fan 6 generates negative pressure to collection chamber 1b, which can further improve the dust removal effect in cooperation with blow -off pipe 31.
[0040] Embodiment 2
[0041] The utility model discloses an embodiment provides a dust collector, on the basis of embodiment 1, reference Figure 2 As shown in the figure, in this embodiment, the middle position of the guide plate 2 is provided with a dust filtering area 21, and a plurality of filter holes with a diameter smaller than the tablet are formed on the dust filtering area 21. When the material on the guide plate 2 enters the dust filtering area 21, part of the dust can be discharged through the filter holes, thereby further improving the dust removal effect of the tablet.
[0042] Embodiment 3
[0043] The utility model discloses an embodiment provides a dust collector, on the basis of embodiment 2, reference Figure 2 And Figure 3 As shown in the figure, the dust collector further comprises a mounting table 7. The mounting table 7 is arranged at the bottom of the guide plate 2, and the mounting table 7 has a gap between the front and rear inner walls of the material bin 1, and the gap forms part of the falling powder channel 13.
[0044] Further, the middle position of the mounting table 7 is provided with a through hole 71 with an area larger than that of the dust filtering area 21.
[0045] Optionally, the gap between the mounting table 7 and the inner wall of the material bin 1 is equal to or greater than the gap between the guide plate 2 and the inner wall of the material bin 1.
[0046] Optionally, the upper surface of the mounting table 7 has a slope matched with the guide plate 2, and the guide plate 2 is inclined and mounted on the upper surface of the mounting table 7.
[0047] Optionally, the vibration mechanism 5 is mounted on the mounting table 7. Through the arrangement of the vibration mechanism 5, not only the feeding of the guide plate 2 is facilitated, but also the flowability of the filter holes is ensured.
[0048] Embodiment 4
[0049] The utility model discloses an embodiment provides a vibration mechanism for the dust collector described in embodiment 1 or embodiment 2.
[0050] Reference Figure 4 As shown in the figure, in this embodiment, the vibration mechanism adopts a pneumatic vibration mechanism 8. The pneumatic vibration mechanism 8 comprises a pneumatic hammer 81 and an air compressor 82. The air outlet of the air compressor 82 is connected to the air inlet of the pneumatic hammer 81 through a conduit, and the power output end of the pneumatic hammer 81 is connected to the lower surface of the guide plate 2. In use, the air compressor 82 adopts a small portable air compressor, and the compressed air is delivered into the pneumatic hammer 81, and the pneumatic hammer 81 performs hammering motion, thereby driving the guide plate 2 to vibrate.
[0051] Embodiment 5
[0052] This utility model application provides a vibration mechanism for the dust removal device described in embodiment 3.
[0053] refer to Figure 2 and Figure 3 As shown, in this embodiment, the vibration mechanism 5 includes a drive motor 51, and the power output end of the drive motor 51 is provided with a cam 52, which intermittently contacts the guide plate 2.
[0054] Furthermore, a sliding groove 72 is provided on the mounting platform 7 located on both sides of the through hole 71. A sliding rod 73 is provided in the sliding groove 72. A slider 74 is sleeved on the sliding rod 73. The upper end of the slider 74 extends out of the sliding groove 72 and connects with the guide plate 2. A telescopic spring 75 is sleeved on the sliding rod 73 between the slider 74 and the inner wall of the sliding groove 72.
[0055] Optionally, two sliding grooves 72 are respectively provided on the mounting platform 7 on the left and right sides of the through hole 71, and the sliding grooves 72 are set near the front and rear edges of the mounting platform 7.
[0056] Optionally, the mounting platform 7 is provided with a motor mounting slot, and the drive motor 51 is installed in the motor mounting slot.
[0057] In this embodiment, by starting the drive motor 51, the drive motor 51 drives the cam 52 to rotate. Under the combined action of the cam 52 and the telescopic spring 75, the guide plate 2 can be driven to reciprocate within the hopper 1. With the movement of the guide plate 2, dust can be easily discharged from the dust filtration area 21, improving dust removal efficiency and preventing the dust filtration area from being quickly blocked.
[0058] Example 6
[0059] This utility model application provides a tablet press. The tablet press includes the dust removal device described in any of the above claims.
[0060] As an implementation scenario, in this scenario, refer to Figure 5 As shown, the discharge pipe 91 of the tablet press body 9 is connected to the inlet 11 of the hopper 1 in the dust removal device, and the discharge end of the discharge pipe 91 is located on the upper left side of the guide plate 2. In use, the compressed tablets fall from the discharge pipe 91 of the tablet press onto the guide plate 2. The material falling onto the guide plate 2 is distributed on the upper surface of the guide plate 2 under the action of the vibration mechanism 5, which not only avoids the accumulation of tablets, but also facilitates the blowing of dust from the guide plate 2 by the blowing plate 3 and the inclined blowing pipe 31.
[0061] In one implementation scenario, by adding an exhaust fan 6 and setting a dust filtration zone 21 on the guide plate 2, the dust removal effect is further improved under the combined action of the exhaust fan 6 and the air blowing pipe 31.
[0062] Any aspects not described in detail in this embodiment are techniques known in the art.
[0063] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be encompassed in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A dust removal device characterized by comprising: The dust removal device comprises a hopper (1) provided with an inlet (11) and an outlet (12); a guide plate (2) arranged in the hopper (1), the guide plate (2) divides the hopper (1) into a processing chamber (1a) and a collecting chamber (1b); a blowing disc (3) arranged above the guide plate (2); a vibrating mechanism (5) for vibrating the guide plate (2); wherein the guide plate (2) is inclined from one end of the inlet (11) to the other end, and the outlet (12) is located on the low end of the guide plate (2); the lower surface of the blowing disc (3) is provided with a plurality of groups of blowing pipes (31) along the feeding direction, and each group of blowing pipes (31) is inclined to the direction of the powder falling channel (13) on both sides. The dust removal device further comprises a blower (4) arranged on the hopper (1), and the output end of the blower (4) is in communication with the internal cavity of the blowing disc (3). The dust removal device further comprises an air extractor (6) in communication with the collecting chamber (1b). The middle part of the guide plate (2) is provided with a dust filtering area (21), and a plurality of filtering holes are formed in the dust filtering area (21). The vibrating mechanism (5) is a pneumatic vibrating mechanism (8) comprising a pneumatic hammer (81) and an air compressor (82), the air outlet of the air compressor (82) is connected to the air inlet of the pneumatic hammer (81) through a pipeline, and the power output end of the pneumatic hammer (81) is connected to the lower surface of the guide plate (2). The dust removal device further comprises a mounting table (7) arranged at the bottom of the guide plate (2), and the mounting table (7) has a gap with the inner wall of the hopper (1), and a through hole (71) with an area larger than that of the dust filtering area (21) is formed in the middle part of the mounting table (7).
2. The dust extraction device of claim 1, wherein The vibrating mechanism (5) comprises a driving motor (51) mounted on the mounting table (7), and a cam (52) is arranged at the power output end of the driving motor (51), and the cam (52) is in intermittent contact with the guide plate (2).
3. The dust extraction device of claim 2, wherein The mounting table (7) on both sides of the through hole (71) is provided with a sliding groove (72), a sliding rod (73) is arranged in the sliding groove (72), a sliding block (74) is sleeved on the sliding rod (73), the upper end of the sliding block (74) extends out of the sliding groove (72) and is connected with the guide plate (2), and a telescopic spring (75) is sleeved on the sliding rod (73) between the sliding block (74) and the inner wall of the sliding groove (72).
4. The dust extraction device of claim 1, wherein The dust removal device comprises a hopper (1) provided with an inlet (11) and an outlet (12); a guide plate (2) arranged in the hopper (1), the guide plate (2) divides the hopper (1) into a processing chamber (1a) and a collecting chamber (1b); a blowing disc (3) arranged above the guide plate (2); a vibrating mechanism (5) for vibrating the guide plate (2); wherein the guide plate (2) is inclined from one end of the inlet (11) to the other end, and the outlet (12) is located on the low end of the guide plate (2); the lower surface of the blowing disc (3) is provided with a plurality of groups of blowing pipes (31) along the feeding direction, and each group of blowing pipes (31) is inclined to the direction of the powder falling channel (13) on both sides.
5. The dust extraction device of claim 1, wherein 6. The dust extraction device of claim 1, wherein 7. The dust extraction device of any one of claims 1-6, wherein, 8. The dust extraction device of claim 6, wherein, 9. The dust extraction device of claim 8, wherein, 10. A tablet press characterized by,