Flow control mechanism for powder feeding

Abstract

The utility model discloses a flow control mechanism for powder feeding, which belongs to the technical field of powder feeding devices and comprises a powder feeding device, an adjustable flow control component is mounted on the powder feeding device, and a filter element replacement component is arranged on the powder feeding device. The powder feeding device comprises a feeding barrel, a lower opening, a feeding pipe and an air pipe, the lower opening is fixedly installed at the lower end of the feeding barrel, and the feeding pipe and the air pipe are fixedly installed at the upper end of the feeding barrel; the adjustable flow control assembly is installed on the lower opening, and the filter element replacement assembly is installed on the feeding barrel and arranged on the air pipe. And the filter element replacement assembly is connected with a powder filter screen. By means of the mode, automatic control over the flow of powder discharged from the lower opening in the feeding barrel is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder material feeding devices, in particular to a flow control mechanism for powder material feeding. Background Art

[0002] When feeding powder, the flow rate needs to be controlled according to the needs of the mixing equipment.

[0003] Among many existing technologies, Chinese patent CN213611218U8 discloses a material metering device for construction projects, including a feed barrel, the inner cavity of the feed barrel is fixedly connected to a cross bar, the cross bar is provided with a flow control mechanism, the side wall of the feed barrel is fixedly connected to a control panel, the control panel is provided with a display screen, the top of the fixed seat is provided with a bearing groove, the inner cavity of the bearing groove is fixedly connected to a bearing seat, and the bottom end of the longitudinal screw is extended and fixed to the inner cavity of the bearing seat.

[0004] However, the flow control in the patent application requires manual adjustment, which makes it inconvenient to use.

[0005] Based on this, the utility model designs a flow control mechanism for powder feeding to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a flow control mechanism for powder feeding.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A flow control mechanism for powder feeding, comprising a powder feeding device, on which an adjustable flow control component is installed, and on which a filter element replacement component is arranged. The powder feeding device comprises a feeding barrel, a lower opening, a feed pipe and an air duct, wherein the lower opening is fixedly installed at the lower end of the feeding barrel, and the feed pipe and the air duct are fixedly installed at the upper end of the feeding barrel; the adjustable flow control component is installed on the lower opening, the filter element replacement component is installed on the feeding barrel, and the filter element replacement component is arranged on the air duct; and a powder filter is connected to the filter element replacement component.

[0009] Furthermore, the adjustable flow control component includes a flow control component and an adjustment component, the flow control component is connected to the lower opening, and the adjustment component is connected to the flow control component.

[0010] Furthermore, the flow control component includes a connecting block, a baffle, a rotating shaft, an annular shell and a first slide groove, the annular shell is fixedly mounted on the lower opening, the first slide groove is opened on the annular shell, the connecting block is concentrically arranged with the annular shell, there are multiple rotating shafts and they are evenly spaced around the central axis of the connecting block, one end of the rotating shaft is rotatably connected to the connecting block, and the other end of the rotating shaft is rotatably connected to the annular shell, the rotating shaft is fixedly mounted with baffles, and the adjustment component is connected to the rotating shaft, the annular shell and the first slide groove.

[0011] Furthermore, the adjustment component includes a first electric push rod, a first connecting block, an annular track, a pulley, a sliding rod, a guide block and a guide groove, the first electric push rod is hinged to the outer end of the annular shell, the output end of the first electric push rod is hinged to one end of the first connecting block, the other end of the first connecting block is fixedly connected to the annular track, the annular track is slidably connected to the annular shell, the sliding rod has multiple and equidistantly fixed installations on the outer wall of the annular track, the guide block has multiple and respectively fixed installations on the ends of the rotating shaft, the guide block is provided with a guide groove for cooperating with the sliding rod for sliding connection, and the first connecting block is slidably connected to the first sliding groove.

[0012] Furthermore, a pulley is rotatably mounted on the annular housing and is used for sliding connection with the annular track.

[0013] Furthermore, there are a plurality of pulleys which are arranged at equal intervals around the central axis of the connecting block.

[0014] Furthermore, the filter element replacement assembly includes a second electric push rod, a second connecting block, a turntable, a mounting ring and a second slide groove, the second electric push rod is hinged to the upper end of the loading barrel, the output end of the second electric push rod is hinged to one end of the second connecting block, the other end of the second connecting block is fixedly connected to the turntable, the turntable is rotatably connected to the loading barrel, the mounting ring is fixedly connected to the turntable, the second slide groove is opened on the air duct, and the mounting ring is slidingly connected to the second slide groove.

[0015] Furthermore, a mounting groove is provided on the mounting ring, and a powder filter is inserted into the mounting groove.

[0016] Beneficial Effects

[0017] When the utility model is in use, the air duct is connected to the suction device, the feed pipe is connected to the suction pipe, the suction device draws air from the upper barrel, and the powder enters the upper barrel along the feed pipe under the action of negative pressure, and the powder filter net on the filter element replacement component blocks the powder from entering the air duct, and the flow rate of the powder in the upper barrel discharged from the lower opening is automatically controlled by the adjustable flow control component, and the powder filter net can be quickly replaced by the filter element replacement component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The utility model is a three-dimensional flow control mechanism for powder feeding Figure 1 ;

[0020] Figure 2 It is a front view of a flow control mechanism for powder material feeding of the utility model;

[0021] Figure 3 It is a left view of a flow control mechanism for powder material feeding of the utility model;

[0022] Figure 4 The utility model is a three-dimensional flow control mechanism for powder feeding Figure 2 ;

[0023] Figure 5 For along Figure 2 AA direction cross-sectional view;

[0024] Figure 6 It is a three-dimensional diagram of the adjustable flow control assembly of the utility model;

[0025] Figure 7 for Figure 6 Enlarged view of point B in the middle.

[0026] The numbers in the figure represent:

[0027] 1. Powder feeding device 11. Feeding barrel 12. Lower opening 13. Feeding pipe 14. Air duct 2. Adjustable flow control component 21. Flow control component 211. Connecting block 212. Baffle 213. Rotating shaft 214.

[0028] Annular housing 215. First slide 22. Adjustment assembly 221. First electric push rod 222. First connecting block 223. Annular track 224. Pulley 225. Slide 226. Guide block 227. Guide groove 3.

[0029] Filter element replacement assembly 31. Second electric push rod 32. Second connecting block 33. Turntable 34. Mounting ring 35. Mounting groove 36. Second slide groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model is further described below in conjunction with embodiments.

[0032] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0033] Example 1

[0034] Please refer to the instruction manual Figure 1-7 A flow control mechanism for powder feeding includes a powder feeding device 1, an adjustable flow control component 2 is installed on the powder feeding device 1, a filter element replacement component 3 is arranged on the powder feeding device 1, the powder feeding device 1 includes a feeding barrel 11, a lower opening 12, a feeding pipe 13 and an air duct 14, the lower opening 12 is fixedly installed at the lower end of the feeding barrel 11, and the feeding pipe 13 and the air duct 14 are fixedly installed at the upper end of the feeding barrel 11; the adjustable flow control component 2 is installed on the lower opening 12, the filter element replacement component 3 is installed on the feeding barrel 11, and the filter element replacement component 3 is arranged on the air duct 14; the filter element replacement component 3 is connected with a powder filter.

[0035] When the utility model is used, the air duct 14 is connected to the suction device, and the feed pipe 13 is connected to the suction pipe. The suction device draws air from the upper barrel 11. Under the action of negative pressure, the powder enters the upper barrel 11 along the feed pipe 13, and is blocked from entering the air duct 14 by the powder filter on the filter element replacement component 3. The flow rate of the powder in the upper barrel 11 discharged from the lower opening 12 is controlled by the adjustable flow control component 2, and the powder filter is quickly replaced by the filter element replacement component 3.

[0036] The adjustable flow control assembly 2 includes a flow control assembly 21 and

[0037] The regulating component 22 and the flow control component 21 are connected to the lower opening 12 , and the regulating component 22 is connected to the flow control component 21 .

[0038] The flow control assembly 21 includes a connecting block 211, a baffle 212, a rotating shaft 213, an annular shell 214 and a first slide groove 215. The annular shell 214 is fixedly mounted on the lower opening 12. The first slide groove 215 is provided on the annular shell 214. The connecting block 211 is concentrically arranged with the annular shell 214. There are multiple rotating shafts 213 and they are evenly spaced around the central axis of the connecting block 211. One end of the rotating shaft 213 is rotatably connected to the connecting block 211, and the other end of the rotating shaft 213 is rotatably connected to the annular shell 214. The baffle 212 is fixedly mounted on the rotating shaft 213. The adjusting assembly 22 is connected to the rotating shaft 213, the annular shell 214 and the first slide groove 215.

[0039] The adjusting assembly 22 includes a first electric push rod 221, a first connecting block 222, an annular track 223, a pulley 224, a sliding rod 225, a guide block 226 and a guide groove 227. The first electric push rod 221 is hinged to the outer end of the annular shell 214, the output end of the first electric push rod 221 is hinged to one end of the first connecting block 222, the other end of the first connecting block 222 is fixedly connected to the annular track 223, the annular track 223 is slidably connected to the annular shell 214, there are multiple sliding rods 225 and they are fixedly installed on the outer wall of the annular track 223 at equal intervals, there are multiple guide blocks 226 and they are respectively fixedly installed on the ends of the rotating shaft 213, the guide block 226 is provided with a guide groove 227 used for fitting and sliding connection with the sliding rod 225, and the first connecting block 222 is slidably connected to the first sliding groove 215.

[0040] A pulley 224 is rotatably mounted on the annular housing 214 and is slidably connected to the annular track 223 .

[0041] There are multiple pulleys 224 which are arranged at equal intervals around the central axis of the connecting block 211 .

[0042] When the utility model is used, the first electric push rod 221 drives the first connecting block 222 to move, the first connecting block 222 drives the annular track 223 to slide on the annular shell 214, the annular track 223 drives the slide bar 225 to move, the slide bar 225 slides in the guide groove 227 provided on the guide block 226, thereby driving the guide block 226 to rotate, the guide block 226 drives the rotating shaft 213 to rotate, the rotating shaft 213 drives the baffle 212 to rotate, and the flow control of the powder through the lower opening 12 is achieved by adjusting the inclination angle of the baffle 212.

[0043] The filter element replacement assembly 3 includes a second electric push rod 31, a second connecting block 32, a turntable 33, a mounting ring 34 and a second slide groove 36. The second electric push rod 31 is hinged to the upper end of the loading barrel 11, the output end of the second electric push rod 31 is hinged to one end of the second connecting block 32, the other end of the second connecting block 32 is fixedly connected to the turntable 33, the turntable 33 is rotatably connected to the loading barrel 11, the mounting ring 34 is fixedly connected to the turntable 33, the second slide groove 36 is opened on the air duct 14, and the mounting ring 34 is slidably connected to the second slide groove 36.

[0044] The mounting ring 34 is provided with a mounting groove 35 , into which a powder filter screen is inserted.

[0045] When the utility model is used, the second electric push rod 31 drives the second connecting block 32 to move, the second connecting block 32 drives the turntable 33 to rotate, and the turntable 33 drives the mounting ring 34 to rotate and slide in contact with the second slide groove 36. When the mounting ring 34 is completely separated from the second slide groove 36, the powder filter screen inserted in the mounting groove 35 is taken out and replaced, thereby realizing the rapid replacement of the powder filter screen.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A flow control mechanism for powder feeding, comprising a powder feeding device (1), characterized in that: The powder feeding device (1) is provided with an adjustable flow control component (2), and the powder feeding device (1) is provided with a filter element replacement component (3). The powder feeding device (1) comprises a feeding barrel (11), a lower opening (12), a feeding pipe (13) and an air duct (14), wherein the lower opening (12) is fixedly mounted on the lower end of the feeding barrel (11), and the feeding pipe (13) and the air duct (14) are fixedly mounted on the upper end of the feeding barrel (11); the adjustable flow control component (2) is mounted on the lower opening (12), the filter element replacement component (3) is mounted on the feeding barrel (11), and the filter element replacement component (3) is arranged on the air duct (14); and the filter element replacement component (3) is connected to a powder filter screen.

2. The flow control mechanism for powder feeding according to claim 1, characterized in that: The adjustable flow control component (2) comprises a flow control component (21) and an adjustment component (22); the flow control component (21) is connected to the lower opening (12), and the adjustment component (22) is connected to the flow control component (21).

3. The flow control mechanism for powder feeding according to claim 2, characterized in that: The flow control assembly (21) comprises a connecting block (211), a baffle (212), a rotating shaft (213), an annular shell (214) and a first slide groove (215); the annular shell (214) is fixedly mounted on the lower opening (12); the first slide groove (215) is arranged on the annular shell (214); the connecting block (211) and the annular shell (214) are arranged concentrically; there are a plurality of rotating shafts (213) which are arranged at equal intervals around the central axis of the connecting block (211); one end of the rotating shaft (213) is rotatably connected to the connecting block (211); the other end of the rotating shaft (213) is rotatably connected to the annular shell (214); the baffle (212) is fixedly mounted on the rotating shaft (213); and the regulating assembly (22) is connected to the rotating shaft (213), the annular shell (214) and the first slide groove (215).

4. The flow control mechanism for powder feeding according to claim 3, characterized in that: The adjusting assembly (22) comprises a first electric push rod (221), a first connecting block (222), an annular track (223), a pulley (224), a sliding rod (225), a guide block (226) and a guide groove (227); the first electric push rod (221) is hinged to the outer end of the annular housing (214); the output end of the first electric push rod (221) is hinged to one end of the first connecting block (222); the other end of the first connecting block (222) is hinged to the annular track (223); The annular track (223) is slidably connected to the annular shell (214); a plurality of slide bars (225) are fixedly installed on the outer wall of the annular track (223) at equal intervals; a plurality of guide blocks (226) are fixedly installed on the ends of the rotating shaft (213); a guide groove (227) is provided on the guide block (226) for fitting with the slide bar (225) for sliding connection; and the first connection block (222) is slidably connected to the first slide groove (215).

5. The flow control mechanism for powder feeding according to claim 4, characterized in that: A pulley (224) is rotatably mounted on the annular housing (214) and is used for sliding connection with the annular track (223).

6. The flow control mechanism for powder feeding according to claim 5, characterized in that: There are a plurality of pulleys (224) which are arranged at equal intervals around the central axis of the connecting block (211).

7. The flow control mechanism for powder feeding according to claim 6, characterized in that: The filter element replacement assembly (3) comprises a second electric push rod (31), a second connecting block (32), a turntable (33), a mounting ring (34) and a second slide groove (36); the second electric push rod (31) is hinged to the upper end of the loading barrel (11); the output end of the second electric push rod (31) is hinged to one end of the second connecting block (32); the other end of the second connecting block (32) is fixedly connected to the turntable (33); the turntable (33) is rotatably connected to the loading barrel (11); the mounting ring (34) is fixedly connected to the turntable (33); the second slide groove (36) is opened on the air duct (14); and the mounting ring (34) is slidably connected to the second slide groove (36).

8. The flow control mechanism for powder feeding according to claim 7, characterized in that: The mounting ring (34) is provided with a mounting groove (35), and a powder filter screen is inserted into the mounting groove (35).

Images