High-precision powder feeding device

Abstract

The utility model relates to a high-precision powder feeding device which comprises a support, a feeding assembly, a discharging assembly and a quantifying assembly, the discharging assembly comprises a hopper and a cover plate, the hopper is erected on the support, one end of the cover plate is communicated with the feeding assembly, and the other end of the cover plate is arranged on the hopper in a covering mode; the quantitative assembly comprises a weighing sensor, a base plate, an overturning power element and a bearing part, the weighing sensor is connected with the support, the base plate is installed on the weighing sensor, the overturning power element is installed on the base plate, the bearing part is rotationally connected into the hopper, and the overturning power element is used for driving the bearing part to overturn by 180 degrees. According to the high-precision powder feeding device, the bearing part is rotationally connected into the hopper, the overturning power element drives the bearing part to overturn by 180 degrees, and it is ensured that powder in the bearing part fully falls off; the weighing sensor is connected with the support, the overturning power element is connected to the base plate, when the bearing piece is discharged, the weighing sensor does not need to move, and the service life is prolonged; the high-precision powder feeding device is convenient to use and high in weighing precision.

Description

Technical Field

[0001] The utility model relates to the technical field of powder material quantitative feeding, in particular to a high-precision powder material feeding device. Background Art

[0002] In industrial production, it is often necessary to quantitatively mix powders; for example, Chinese authorized patent CN219077535U discloses a solid powder portion packaging device, in which a feed hopper, a quantitative adjustment device and a valve port packaging machine are arranged on a bracket from top to bottom in sequence, and at the same time, the quantitative adjustment device includes a tray, a flip plate, a feed driver and a weighing sensor, and the two sides of the flip plate are hinged to the bracket and the feed driver respectively, and the tray is installed on the flip plate through a weighing sensor, and the solid powder dropped into the tray is weighed in real time by the weighing sensor until it reaches a preset weight, and then the feed driver drives the flip plate to pour the solid powder into the valve port packaging machine to realize automatic portion packaging; however, since the cylinder moves in a straight line, the flip angle of the feed hopper is limited, which can easily lead to unclean feeding of the powder, thereby affecting the weighing accuracy. Utility Model Content

[0003] Based on this, it is necessary to provide a high-precision powder feeding device with high weighing accuracy to address the above problems.

[0004] A high-precision powder feeding device comprises a bracket, a feeding assembly, a feeding assembly and a quantitative assembly, wherein the feeding assembly comprises a hopper and a cover plate, wherein the hopper is mounted on the bracket, one end of the cover plate is connected to the feeding assembly, and the other end is covered on the hopper; the quantitative assembly comprises a weighing sensor, a base plate, a flipping power element and a bearing member, wherein the weighing sensor is connected to the bracket, the base plate is mounted on the weighing sensor, the flipping power element is mounted on the base plate, the bearing member is rotatably connected to the hopper, and the flipping power element is used to drive the bearing member to flip 180 degrees.

[0005] In one of the embodiments, the feeding assembly includes a feeding power element and a feeding box, the feeding power element is installed on the bracket, and the feeding box is installed on the feeding power element; one end of the feeding box is connected to the cover plate.

[0006] In one of the embodiments, the feeding assembly further includes a partition and a slide plate, wherein the partition is mounted on the feeding box, the partition is used to connect to the feeding pipe, the slide plate is slidably mounted on the feeding box, and the slide plate is disposed on one side of the partition plate.

[0007] In one of the embodiments, the feeding assembly further includes a sealing plate, the sealing plate is sleeved on the discharge end of the feeding box, and the sealing plate cover is disposed on the hopper.

[0008] In one of the embodiments, the unloading assembly further includes a pad, the bottom of the pad is connected to the hopper, and the top of the pad is connected to the cover plate.

[0009] In one embodiment, the carrier includes a measuring spoon portion and a spoon handle portion connected to the measuring spoon portion, and the spoon handle portion passes through the hopper.

[0010] In one embodiment, the cross-section of the measuring spoon portion is arc-shaped.

[0011] In one embodiment, the quantitative component further includes a fixing seat and a protective cover, the fixing seat is installed on one side of the bracket, the weighing sensor is installed on the fixing seat, and the protective cover is covered on the fixing seat.

[0012] In one embodiment, the quantitative component includes a support plate and a rotating shaft, the support plate is installed on the base plate, one end of the rotating shaft is connected to the flipping power element, and the other end passes through the support plate; one end of the rotating shaft is connected to the carrier.

[0013] In one embodiment, a recovery component is further included, which includes a conduit, an air duct and a collecting piece. One end of the conduit is connected to the cover plate, and the other end is connected to the air duct. One end of the air duct is connected to an external fan, and the other end is connected to the collecting piece.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The high-precision powder feeding device of the utility model is connected to the hopper through the rotation of the bearing member, and the flipping power element drives the bearing member to flip 180 degrees to ensure that the powder in the bearing member falls fully; the weighing sensor is connected to the bracket through the weighing sensor, and the flipping power element is connected to the base plate. When the bearing member unloads the material, the weighing sensor does not need to be moved, thereby extending the service life; the high-precision powder feeding device is easy to use and has high weighing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the assembly structure of a high-precision powder feeding device shown in an embodiment of the utility model;

[0017] Figure 2 for Figure 1 The schematic diagram of the structure of the feeding component and the quantitative component in the high-precision powder feeding device shown, wherein the cover plate and the protective cover are not shown;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the recovery component in the high-precision powder feeding device is shown, wherein the conduit is not shown.

[0019] The meanings of the numbers in the accompanying drawings are:

[0020] 100. High-precision powder feeding device;

[0021] 10. Bracket; 20. Feeding assembly; 21. Feeding power element; 22. Feeding box; 23. Partition plate; 24. Slide plate; 25. Sealing plate; 30. Feeding assembly; 31. Hopper; 32. Cover plate; 33. Pad plate;

[0022] 40. Quantitative component; 41. Weighing sensor; 42. Base plate; 43. Flipping power element; 44. Carrying part; 441. Measuring spoon part; 442. Spoon handle part; 45. Fixed seat; 46. Protective cover; 47. Support plate; 48. Rotating shaft; 50. Recovery component; 51. Conduit; 52. Air duct; 53. Collecting part. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, 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.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0029] Please refer to Figures 1 to 3, which is a high-precision powder feeding device 100 according to an embodiment of the utility model, includes a bracket 10, a feeding assembly 20, a feeding assembly 30 and a quantitative assembly 40. The feeding assembly 30 includes a hopper 31 and a cover plate 32. The hopper 31 is mounted on the bracket 10, one end of the cover plate 32 is connected to the feeding assembly 20, and the other end is covered on the hopper 31; the quantitative assembly 40 includes a weighing sensor 41, a base plate 42, a flipping power element 43 and a bearing member 44. The weighing sensor 41 is connected to the bracket 10, the base plate 42 is installed on the weighing sensor 41, the flipping power element 43 is installed on the base plate 42, the bearing member 44 is rotatably connected to the hopper 31, and the flipping power element 43 is used to drive the bearing member 44 to flip 180 degrees. The high-precision powder feeding device 100 is rotatably connected to the hopper 31 through the support member 44, and the flipping power element 43 drives the support member 44 to flip 180 degrees to ensure that the powder in the support member 44 falls fully; the weighing sensor 41 is connected to the bracket 10, and the flipping power element 43 is connected to the base plate 42. When the support member 44 unloads the material, the weighing sensor 41 does not need to move, thereby extending the service life.

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, the feeding assembly 20 includes a feeding power element 21 and a feeding box 22, the feeding power element 21 is mounted on the bracket 10, and the feeding box 22 is mounted on the feeding power element 21; optionally, the feeding power element 21 is a vibrating feeder; further, the feeding assembly 20 also includes a partition 23 and a slide plate 24, the partition 23 is mounted on the feeding box 22, and the partition 23 is used to connect the feed pipe; the slide plate 24 is arranged on one side of the partition 23 to prevent powder from flying; the slide plate 24 is slidably arranged on the feeding box 22, so as to check or clean the feeding box 22. Preferably, the feeding assembly 20 also includes a sealing plate 25, and the sealing plate 25 is sleeved on the discharge end of the feeding box 22.

[0031] Please check again Figure 1 and Figure 2 The material discharge assembly 30 includes a hopper 31 and a cover plate 32. The hopper 31 is mounted on the bracket 10. One end of the cover plate 32 is connected to the feeding assembly 20, and the other end is covered on the hopper 31 to prevent the powder from flying. Optionally, one end of the feeding box 22 is connected to the cover plate 32, and the sealing plate 25 is covered on the hopper 31. Further, the cover plate 32 is trumpet-shaped, and the diameter of the discharge end of the feeding box 22 is smaller than the aperture of the cover plate 32. The sealing plate 25 is covered on the hopper 31 to prevent the powder from flying. In one embodiment, the material discharge assembly 30 also includes a pad 33, the bottom of the pad 33 is connected to the hopper 31, and the top of the pad 33 is connected to the cover plate 32 to avoid hard contact between the cover plate 32 and the hopper 31, and at the same time, play a sealing role. The hopper 31, the pad 33 and the cover plate 32 are fixed by screws.

[0032] like Figure 1 and Figure 2As shown, the quantitative component 40 includes a weighing sensor 41, a base plate 42, a flipping power element 43 and a bearing member 44. The weighing sensor 41 is connected to the bracket 10, the base plate 42 is mounted on the weighing sensor 41, the flipping power element 43 is mounted on the base plate 42, the bearing member 44 is rotatably connected to the hopper 31, and the flipping power element 43 is used to drive the bearing member 44 to flip 180 degrees. Optionally, the flipping power element 43 is a rotary cylinder; the bearing member 44 includes a measuring spoon part 441 and a spoon handle part 442 connected to the measuring spoon part 441, and the spoon handle part 442 penetrates the hopper 31. Further, the cross section of the measuring spoon part 441 is arc-shaped. In one embodiment, the quantitative component 40 further includes a fixing seat 45 and a protective cover 46. The fixing seat 45 is mounted on one side of the bracket 10, the weighing sensor 41 is mounted on the fixing seat 45, and the protective cover 46 is covered on the fixing seat 45 to prevent impurities such as powder, ash layer, and water droplets from entering and affecting the operation of the weighing sensor 41 and the turning power element 43. The quantitative component 40 further includes a support plate 47 and a rotating shaft 48. The support plate 47 is mounted on the base plate 42, one end of the rotating shaft 48 is connected to the turning power element 43, and the other end passes through the support plate 47; one end of the rotating shaft 48 is connected to the bearing member 44.

[0033] like Figure 1 and Figure 3 As shown, the high-precision powder feeding device 100 also includes a recovery component 50, which includes a conduit 51, an air duct 52 and a collecting member 53. One end of the conduit 51 is connected to the cover plate 32, and the other end is connected to the air duct 52. Optionally, the conduit 51 is installed on the bracket 10; one end of the air duct 52 is connected to an external fan, and the other end is connected to the collecting member 53; optionally, the collecting member 53 is detachably connected to one end of the air duct 52. In order to prevent the powder from leaking from the gap between the hopper 31 and the spoon handle 442, the conduit 51 is connected to the cover plate 32, and the fan is used to draw air with a small air volume to draw the flying powder into the air duct 52. Under the action of gravity, part of the powder settles in the collecting member 53; the powder is collected by the collecting member 53, which can not only recover part of the powder, but also reduce the discharge of powder.

[0034] When in use, the powder enters the feeding box 22. Under the vibration of the feeding power element 21, the powder enters the measuring spoon part 441 from the feeding box 22, and is weighed by the weighing sensor 41. When the weight reaches the preset value, the flipping power element 43 drives the bearing member 44 to flip 180 degrees through the rotating shaft 48, so that the powder in the measuring spoon part 441 falls into the hopper 31; the flying powder is sucked from the hopper 31 into the air duct 52 by the fan with a small air volume, and part of the powder settles in the collecting member 53 under the action of gravity. Since the bearing member 44 is flipped 180 degrees, it is ensured that the powder in the measuring spoon part 441 falls fully, thereby improving the weighing accuracy.

[0035] The high-precision powder feeding device 100 of the present invention is rotatably connected to the hopper 31 through the support member 44, and the flipping power element 43 drives the support member 44 to flip 180 degrees, ensuring that the powder in the support member 44 falls fully; the weighing sensor 41 is connected to the bracket 10, and the flipping power element 43 is connected to the base plate 42. When the support member 44 unloads the material, the weighing sensor 41 does not need to be moved, thereby extending the service life; the high-precision powder feeding device 100 is easy to use and has high weighing accuracy.

[0036] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A high-precision powder feeding device, characterized in that: It includes a bracket, a feeding assembly, a unloading assembly and a quantitative assembly. The unloading assembly includes a hopper and a cover plate. The hopper is mounted on the bracket. One end of the cover plate is connected to the feeding assembly, and the other end is covered on the hopper. The quantitative assembly includes a weighing sensor, a base plate, a flipping power element and a bearing member. The weighing sensor is connected to the bracket, the base plate is installed on the weighing sensor, the flipping power element is installed on the base plate, the bearing member is rotatably connected to the hopper, and the flipping power element is used to drive the bearing member to flip 180 degrees.

2. The high-precision powder feeding device according to claim 1, characterized in that: The feeding assembly includes a feeding power element and a feeding box. The feeding power element is installed on the bracket, and the feeding box is installed on the feeding power element. One end of the feeding box is connected to the cover plate.

3. The high-precision powder feeding device according to claim 2, characterized in that: The feeding assembly also includes a partition and a slide plate. The partition is installed on the feeding box. The partition is used to connect the feeding pipe. The slide plate is slidably mounted on the feeding box and is arranged on one side of the partition plate.

4. The high-precision powder feeding device according to claim 2, characterized in that: The feeding assembly also includes a sealing plate, which is sleeved on the discharge end of the feeding box, and the sealing plate cover is arranged on the hopper.

5. The high-precision powder feeding device according to claim 1, characterized in that: The material discharge assembly further comprises a pad, the bottom of which is connected to the hopper, and the top of which is connected to the cover plate.

6. The high-precision powder feeding device according to claim 1, characterized in that: The carrier comprises a measuring spoon portion and a spoon handle portion connected to the measuring spoon portion, and the spoon handle portion passes through the hopper.

7. The high-precision powder feeding device according to claim 6, characterized in that: The cross section of the measuring spoon portion is arc-shaped.

8. The high-precision powder feeding device according to claim 1, characterized in that: The quantitative component also includes a fixing seat and a protective cover. The fixing seat is installed on one side of the bracket, the weighing sensor is installed on the fixing seat, and the protective cover is covered on the fixing seat.

9. The high-precision powder feeding device according to claim 8, characterized in that: The quantitative component includes a support plate and a rotating shaft. The support plate is installed on the base plate. One end of the rotating shaft is connected to the flip power element, and the other end passes through the support plate. One end of the rotating shaft is connected to the bearing member.

10. The high-precision powder feeding device according to claim 1, characterized in that: It also includes a recovery component, which includes a conduit, an air duct and a collecting piece. One end of the conduit is connected to the cover plate, and the other end is connected to the air duct. One end of the air duct is connected to an external fan, and the other end is connected to the collecting piece.

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