Pneumatic oscillating duster

Abstract

The utility model provides a kind of pneumatic oscillation powder scattering device, including support, the support includes frame and multiple support feet located below frame, the frame includes first frame section, second frame section, third frame section, fourth frame section that are connected in sequence and enclose hollow rectangle, filter cartridge and accommodating groove are equipped in the frame, the filter cartridge is hollow and upper and lower opening, the filter cartridge is connected with first frame section, third frame section respectively, sieve tray is equipped in the filter cartridge, pneumatic oscillator is connected and arranged on the filter cartridge outer wall, the pneumatic oscillator is communicated with pneumatic pressure regulator, the accommodating groove is located filter cartridge side and is connected with first frame section, third frame section respectively.The utility model provides a kind of pneumatic oscillation powder scattering device, can automatically scatter powder and scatter powder evenly, greatly reduce the rate of defective product, reduce artificial cost, improve production automation level.

Description

Technical Field

[0001] This utility model belongs to the technical field of traditional Chinese medicine manufacturing equipment, and relates to a pneumatic oscillation powder spreading device. Background Technology

[0002] In the production of solid dosage forms of traditional Chinese medicine, after extruding the raw materials into pills, the resulting moistened pills need to be powdered to prevent them from sticking together. Originally, manual sieving was used, but this method was difficult due to problems such as slow sieving speed, insufficient powder uniformity, high labor intensity, and the inability to continuously and uniformly sprinkle powder. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a pneumatic oscillation powder spreading device that can replace manual powder spreading by operators, can automatically spread powder evenly, significantly reduce the defect rate, reduce labor costs, and improve the level of production automation.

[0004] To achieve the above and other related objectives, this utility model provides a pneumatic oscillation powder spreading device, including a support frame. The support frame includes a frame and multiple supporting legs located below the frame. The frame includes a first frame segment, a second frame segment, a third frame segment, and a fourth frame segment connected in sequence to form a hollow rectangle. A filter cylinder and a receiving groove are provided inside the frame. The filter cylinder is hollow and open at the top and bottom. The filter cylinder is connected to the first frame segment and the third frame segment respectively. A sieve plate is provided inside the filter cylinder. A pneumatic oscillator is connected to the outer wall of the filter cylinder. The pneumatic oscillator is connected to a pneumatic pressure regulator. The receiving groove is located on one side of the filter cylinder and is connected to the first frame segment and the third frame segment respectively.

[0005] Preferably, the support leg is perpendicular to the ground and the upper end of the support leg is connected to the bottom surface of the frame.

[0006] More preferably, the upper end of the support leg is connected to the bottom surface of the corner area of ​​the frame.

[0007] More preferably, the upper end of the support leg is connected to the bottom surface of any one of the following connection ends: the connection end between the first frame segment and the second frame segment, the connection end between the second frame segment and the third frame segment, the connection end between the third frame segment and the fourth frame segment, or the connection end between the fourth frame segment and the first frame segment.

[0008] Preferably, the support foot is in the shape of a cuboid tube.

[0009] More preferably, the support foot is made of a hollow cuboid tube, the vertical cross-sectional dimensions of which are 20-30mm (length) * 20-30mm (width); the wall thickness of which is 1-2mm.

[0010] Preferably, the lower end of the support foot is provided with a telescopic foot, and the telescopic foot is provided with a telescopic rod and a buffer ring in sequence from the inside to the outside in the horizontal direction. The upper end of the telescopic rod is telescopically connected to the lower end of the support foot.

[0011] More preferably, the upper end of the telescopic rod and the lower end of the support foot are connected by a telescopic threaded connection.

[0012] More preferably, the telescopic rod is a threaded rod.

[0013] More preferably, the vertical distance of the telescopic rod's extension and retraction is 0-40mm.

[0014] Preferably, the support feet include at least four.

[0015] Preferably, the height of the support foot is 450-500mm.

[0016] Preferably, the lengths of the first frame segment and the third frame segment are 600-620 mm.

[0017] Preferably, the lengths of the second and fourth frame segments are 250-270 mm.

[0018] Preferably, the first frame segment, the second frame segment, the third frame segment, and the fourth frame segment are all rectangular tubular in shape.

[0019] More preferably, the first frame segment, the second frame segment, the third frame segment, and the fourth frame segment are hollow cuboid tubes, and the vertical cross-sectional dimensions of the cuboid tubes are 20-30mm (length) * 20-30mm (width); the wall thickness of the cuboid tubes is 1-2mm.

[0020] Preferably, the first frame segment and the third frame segment are the long sides of the frame, and the second frame segment and the fourth frame segment are the short sides of the frame.

[0021] Preferably, the filter cartridge is cylindrical in shape.

[0022] More preferably, the diameter of the filter cartridge is 205-215 mm.

[0023] Preferably, the filter cartridge is connected to the inner sidewalls of the first frame section and the third frame section, respectively.

[0024] More preferably, the filter cartridge is connected to the inner wall at the center of the first frame segment and the third frame segment, respectively.

[0025] Preferably, the height of the filter cartridge is 150-250mm.

[0026] Preferably, the inner wall of the filter cylinder is provided with a frame strip, which is arranged around the inner wall of the filter cylinder. The frame strip protrudes horizontally inward relative to the inner walls of the filter cylinder on both sides, and the frame strip is detachably connected to the sieve disc.

[0027] More preferably, the sieve tray is detachably placed on the frame strip.

[0028] More preferably, the diameter of the sieve disc is smaller than the diameter of the inner wall of the filter cylinder.

[0029] More preferably, the diameter of the sieve disc is larger than the diameter of the frame strip.

[0030] More preferably, the diameter of the sieve disc is 198-202 mm.

[0031] Preferably, the sieve disc is circular in shape.

[0032] Preferably, the mesh size of the sieve disc is 40-60 mesh.

[0033] Preferably, a fixing block is provided on the outer wall of the filter cartridge, and the fixing block is connected to a pneumatic vibrator.

[0034] More preferably, the top of the fixing block is flush with the upper edge of the outer wall of the filter cartridge.

[0035] Preferably, the vibration frequency of the pneumatic oscillator is 5000-20000 times / minute.

[0036] Preferably, the pneumatic oscillator is connected to the pneumatic pressure regulator via a pipeline.

[0037] Preferably, the pneumatic pressure regulator is connected to an external air source via a pipeline.

[0038] Preferably, the compressed air pressure provided by the pneumatic pressure regulator is 0.1-0.3 MPa.

[0039] Preferably, the pneumatic pressure regulator is provided with a fixing plate, one side of which is connected to any one of the first frame segment or the third frame segment, and the other side of which is detachably threaded to the pneumatic pressure regulator via bolts.

[0040] Preferably, the receiving groove is hollow and has an opening at the top.

[0041] Preferably, the horizontal cross-section of the receiving groove is square.

[0042] Preferably, the horizontal cross-section of the receiving trough is larger than the diameter of the sieve disc.

[0043] More preferably, the side length of the horizontal cross-section of the receiving groove is 205-215mm.

[0044] More preferably, the height of the receiving groove is 140-160mm.

[0045] Preferably, one of the two opposite sides of the receiving groove is detachably connected to the bottom surface of the first frame segment and the third frame segment, respectively, and one of the other two opposite sides of the receiving groove is also detachably connected to the bottom surface of any segment selected from the second frame segment or the fourth frame segment, and the other of the other two opposite sides of the receiving groove is also close to the outer wall of the filter cartridge.

[0046] More preferably, the three side top edge flanges of the receiving groove are detachably connected to the frame, and the flanges are respectively detachably threaded to the bottom surface of the first frame segment, the third frame segment, and any one of the second or fourth frame segments via bolts.

[0047] Preferably, a conveyor belt is provided below the frame, the support feet are located on both sides of the conveyor belt, and the lower end opening of the filter cartridge is directly above the conveyor belt.

[0048] As described above, the pneumatic oscillation powder spreading device provided by this utility model has the following beneficial effects:

[0049] (1) The pneumatic oscillation powder spreading device provided by this utility model can replace the manual powder spreading operation of the operator, while saving one person, reducing labor costs and improving the level of production automation.

[0050] (2) The pneumatic oscillating powder spreading device provided by this utility model has a large powder spreading amount per unit time and a uniform powder spreading speed. Compared with the original manual powder spreading production method, the uniformity of powder spreading by the pneumatic oscillating powder spreading machine is significantly improved. It can continuously and uniformly perform the powder spreading action according to the production rhythm, greatly reducing the occurrence of "twin" or other non-standard powders in subsequent processes, and significantly reducing the defect rate. (3) The pneumatic oscillating powder spreading device provided by this utility model has the advantages of simple composition structure, small footprint, low manufacturing and use cost, and convenient operation. It is very worthy of being promoted and applied in existing practical work. Attached Figure Description

[0051] Figure 1 The image shown is a frontal perspective view of a pneumatic oscillation powder spreading device according to this utility model.

[0052] Figure 2 The image shown is a perspective view of the rear structure of a pneumatic oscillation powder spreading device according to this utility model.

[0053] Figure Labels

[0054] 1 bracket

[0055] 2-framework

[0056] 21 First Frame Segment

[0057] 22 Second Frame Segment

[0058] 23 Third Frame Segment

[0059] 24 Fourth Frame Segment

[0060] 3 support feet

[0061] 4 filter cartridges

[0062] 41 Border Strip

[0063] 5-slot container

[0064] 6 sieve discs

[0065] 7 Pneumatic Oscillators

[0066] 8 Pneumatic pressure regulator

[0067] 9 telescopic feet

[0068] 91 telescopic pole

[0069] 92 buffer rings

[0070] 10 fixing blocks

[0071] 11 fixing plates Detailed Implementation

[0072] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0073] Please see Figures 1 to 2 It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and are not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0074] This utility model provides a pneumatic oscillation powder spreading device, such as Figure 1-2As shown, the device includes a support 1, which includes a frame 2 and multiple supporting legs 3 located below the frame 2. The frame 2 includes a first frame segment 21, a second frame segment 22, a third frame segment 23, and a fourth frame segment 24 connected in sequence to form a hollow rectangle. The frame 2 contains a filter cylinder 4 and a receiving groove 5. The filter cylinder 4 is hollow and open at the top and bottom. The filter cylinder 4 is connected to the first frame segment 21 and the third frame segment 23 respectively. The filter cylinder 4 contains a sieve plate 6. A pneumatic vibrator 7 is connected to the outer wall of the filter cylinder 4. The pneumatic vibrator 7 is connected to a pneumatic pressure regulator 8. The receiving groove 5 is located on one side of the filter cylinder 4 and is connected to the first frame segment 21 and the third frame segment 23 respectively.

[0075] In the above-mentioned device, the frame 2 is made of stainless steel.

[0076] In the above-mentioned device, such as Figure 1-2 As shown, the support leg 3 is perpendicular to the ground, and the upper end of the support leg 3 is connected to the bottom surface of the frame 2. It is used to support the frame 2.

[0077] In one specific implementation, such as Figure 1-2 As shown, the upper end of the support leg 3 is connected to the bottom surface of the corner area of ​​the frame 2.

[0078] In a further specific implementation, such as Figure 1-2 As shown, the upper end of the support leg 3 is connected to the bottom surface of any one of the following connection ends: the connection end between the first frame segment 21 and the second frame segment 22, the connection end between the second frame segment 22 and the third frame segment 23, the connection end between the third frame segment 23 and the fourth frame segment 24, or the connection end between the fourth frame segment 24 and the first frame segment 21. This makes the support structure more stable.

[0079] The connection between the aforementioned support leg 3 and the frame 2 is welding.

[0080] In the above-mentioned device, such as Figure 1-2 As shown, the support leg 3 is in the shape of a cuboid tube.

[0081] In one specific embodiment, the support leg 3 is a hollow cuboid tube with a vertical cross-sectional dimension of 20-30mm (length) * 20-30mm (width), preferably 25mm (length) * 25mm (width); the wall thickness of the cuboid tube is 1-2mm, preferably 1.5mm.

[0082] In the above-mentioned device, such as Figure 1-2As shown, the lower end of the support leg 3 is provided with a telescopic leg 9. The telescopic leg 9 is provided with a telescopic rod 91 and a buffer ring 92 in sequence from the inside to the outside along the horizontal direction. The upper end of the telescopic rod 91 is telescopically connected to the lower end of the support leg 3. This is used to adjust the height of the bracket 1, so that the frame 2 can be placed above the conveyor belt.

[0083] In one specific embodiment, the upper end of the telescopic rod 91 and the lower end of the support leg 3 are connected by a telescopic threaded connection.

[0084] In one specific embodiment, the telescopic rod 91 is a threaded rod.

[0085] In one specific embodiment, the vertical distance of the telescopic rod 91's extension and retraction is 0-40mm. This allows for adjustment of the frame's height above the ground.

[0086] In one specific embodiment, the telescopic rod 91 is made of stainless steel.

[0087] In one specific embodiment, the thread of the buffer ring 92 is M10-M15, preferably M12.

[0088] In one specific embodiment, the buffer ring 92 is made of rubber or plastic.

[0089] In the above-mentioned device, such as Figure 1-2 As shown, the support leg 3 includes at least 4, preferably 4.

[0090] In the above device, the height of the support leg 3 is 450-500mm, preferably 490mm.

[0091] In the above-mentioned device, such as Figure 1-2 As shown, the lengths of the first frame segment 21 and the third frame segment 23 are 600-620mm, preferably 610mm.

[0092] In the above-mentioned device, such as Figure 1-2 As shown, the lengths of the second frame segment 22 and the fourth frame segment 24 are 250-270mm, preferably 260mm.

[0093] In the above-mentioned device, such as Figure 1-2 As shown, the first frame segment 21, the second frame segment 2, the third frame segment 23, and the fourth frame segment 24 are all rectangular tubes.

[0094] In one specific embodiment, the first frame segment 21, the second frame segment 22, the third frame segment 23, and the fourth frame segment 24 are hollow cuboid tubes. The vertical cross-sectional dimensions of the cuboid tubes are 20-30mm (length) * 20-30mm (width), preferably 25mm (length) * 25mm (width); the wall thickness of the cuboid tubes is 1-2mm, preferably 1.5mm.

[0095] In the above-mentioned device, such as Figure 1-2 As shown, the first frame segment 21 and the third frame segment 23 are the long sides of frame 2, and the second frame segment 22 and the fourth frame segment 24 are the short sides of frame 2.

[0096] In the above-mentioned device, such as Figure 1-2 As shown, the filter cylinder 4 is cylindrical in shape. The filter cylinder 4 serves as a sieve tray liner.

[0097] In one specific embodiment, the diameter of the filter cartridge 4 is 205-215 mm, preferably 210 mm.

[0098] In the above-mentioned device, such as Figure 1-2 As shown, the filter cartridge 4 is made of stainless steel.

[0099] In the above-mentioned device, the filter cartridge 4 is connected to the first frame section 21 and the third frame section 23 by welding.

[0100] In the above-mentioned device, such as Figure 1-2 As shown, the filter cartridge 4 is connected to the inner walls of the first frame section 21 and the third frame section 23, respectively.

[0101] In one specific embodiment, the filter cartridge 4 is connected to the inner sidewalls at the center positions of the first frame segment 21 and the third frame segment 23, respectively.

[0102] In the above-mentioned device, the height of the filter cartridge 4 is 150-250mm, preferably 200mm.

[0103] In the above-mentioned device, such as Figure 1-2 As shown, a frame strip 41 is provided on the inner wall of the filter cylinder 4. The frame strip 41 is arranged around the inner wall of the filter cylinder 4 and protrudes horizontally inward relative to the inner walls of the filter cylinder 4 on both sides. The frame strip 41 is detachably connected to the sieve plate 6. It is used to stably place the sieve plate 6.

[0104] In one specific implementation, such as Figure 1-2 As shown, the sieve plate 6 is detachably placed on the frame strip 41.

[0105] In one specific implementation, such as Figure 1-2As shown, the diameter of the sieve plate 6 is smaller than the diameter of the inner wall of the filter cylinder 4.

[0106] In one specific implementation, such as Figure 1-2 As shown, the diameter of the sieve plate 6 is larger than the diameter of the frame strip 41.

[0107] In one specific implementation, such as Figure 1-2 As shown, the diameter of the sieve plate 6 is 198-202 mm, preferably 200 mm.

[0108] In the above-mentioned device, such as Figure 1-2 As shown, the sieve plate 6 is made of stainless steel.

[0109] In the above-mentioned device, such as Figure 1-2 As shown, the sieve plate 6 is circular in shape.

[0110] In the above-mentioned device, such as Figure 1-2 As shown, the sieve plate 6 has a mesh size of 40-60 mesh, preferably 50 mesh. It is used for filtering and screening granular and powdery materials.

[0111] In the above-mentioned device, such as Figure 1-2 As shown, a fixing block 10 is provided on the outer wall of the filter cartridge 4, and the fixing block 10 is connected to a pneumatic oscillator 7. This facilitates the effective fixing of the pneumatic oscillator 7.

[0112] In one specific embodiment, the fixing block 10 is made of stainless steel.

[0113] In one specific embodiment, the fixing block 10 is connected to the outer wall of the filter cartridge 4 by welding.

[0114] In one specific implementation, such as Figure 1-2 As shown, the fixing block 10 is detachably threadedly connected to the pneumatic oscillator 7 via bolts. This facilitates effective fixation of the pneumatic oscillator 7.

[0115] In one specific implementation, such as Figure 1-2 As shown, the top of the fixing block 10 is flush with the upper edge of the outer wall of the filter cartridge 4. This enables effective conduction of oscillations.

[0116] In a further specific embodiment, the bolt is a conventionally used bolt. Specifically, the bolt is an M6*25 hexagonal flange bolt.

[0117] In the above-mentioned device, such as Figure 1-2 As shown, the pneumatic oscillator 7 is a conventionally installed pneumatic oscillator. Specifically, the pneumatic oscillator 7 is a GT4 pneumatic oscillator.

[0118] In the above-mentioned device, such as Figure 1-2As shown, the pneumatic oscillator 7 has a vibration frequency of 5000-20000 times / minute. The vibration of the pneumatic oscillator 7 is a lateral vibration, which is transmitted to the sieve plate 6 through the filter cylinder 4. The powder spreading speed is uniform. Compared with the original manual powder spreading production method, the uniformity of powder spreading by the pneumatic oscillating powder spreader is significantly improved. It can continuously and uniformly perform the powder spreading action according to the production rhythm needs, greatly reducing the occurrence of "twin" or other non-standard powders in subsequent processes, and significantly reducing the defect rate.

[0119] In the above-mentioned device, such as Figure 1-2 As shown, the pneumatic oscillator 7 is connected to the pneumatic pressure regulator 8 via a pipeline.

[0120] In the above-mentioned device, such as Figure 1-2 As shown, the pneumatic pressure regulator 8 is connected to an external air source via a pipeline. The air source is compressed air, which facilitates the supply of compressed air.

[0121] In the above-mentioned device, such as Figure 1-2 As shown, the pneumatic pressure regulator 8 is a conventionally used pneumatic pressure regulator. Specifically, the pneumatic pressure regulator 8 is an Airtac AFC2000 dual-unit pneumatic pressure regulator with filter. The pneumatic pressure regulator 8 can provide compressed air as power to the pneumatic oscillator 7, and the compressed air pressure supplied to the pneumatic oscillator 7 can be adjusted as required.

[0122] In the above-mentioned device, such as Figure 1-2 As shown, the compressed air pressure provided by the pneumatic pressure regulator 8 is 0.1-0.3 MPa, preferably 0.18 MPa.

[0123] In the above-mentioned device, such as Figure 1-2 As shown, the pneumatic pressure regulator 8 is provided with a fixing plate 11. One side of the fixing plate 11 is connected to any one of the first frame segment 21 or the third frame segment 23, and the other side of the fixing plate 11 is detachably threadedly connected to the pneumatic pressure regulator 8 via bolts. This facilitates effective fixation of the pneumatic pressure regulator 8.

[0124] In one specific embodiment, the connection method between the fixing piece 11 and any one of the first frame segment 21 or the third frame segment 23 is welding.

[0125] In one specific embodiment, the bolt is a conventionally used bolt. Specifically, the bolt is an M6*25 hexagonal flange bolt.

[0126] In the above-mentioned device, such as Figure 1-2 As shown, the receiving groove 5 is hollow and open at the top. It can be used to place powder to be sieved or the sieve tray 6.

[0127] In the above-mentioned device, such as Figure 1-2 As shown, the horizontal cross-section of the receiving groove 5 is square.

[0128] In the above-mentioned device, such as Figure 1-2 As shown, the horizontal cross-section of the receiving groove 5 is larger than the diameter of the sieve plate 6. This facilitates the placement of the sieve plate 6.

[0129] In one specific embodiment, the side length of the horizontal cross-section of the receiving groove 5 is 205-215mm, preferably 210mm.

[0130] In one specific embodiment, the height of the receiving groove 5 is 140-160mm, preferably 150mm.

[0131] In the above-mentioned device, such as Figure 1-2 As shown, one of the two opposite sides of the receiving groove 5 is detachably connected to the bottom surface of the first frame segment 21 and the third frame segment 23, respectively. One of the other two opposite sides of the receiving groove 5 is also detachably connected to the bottom surface of any segment selected from the second frame segment 22 or the fourth frame segment 24. The other of the other two opposite sides of the receiving groove 5 is also close to the outer wall of the filter cartridge 4.

[0132] In one specific embodiment, the three side top edge flanges of the receiving groove 5 are detachably connected to the frame 2, and the flanges are respectively detachably threadedly connected to the bottom surface of the first frame segment 21, the third frame segment 23, or any one of the second frame segment 22 or the fourth frame segment 24 via bolts.

[0133] In one specific embodiment, the bolt is a conventionally used bolt. Specifically, the bolt is an M6*35 hexagonal flange bolt.

[0134] In the above-mentioned device, such as Figure 1-2 As shown, a conveyor belt is provided below the frame 2, and the support legs 3 are located on both sides of the conveyor belt. The lower opening of the filter cylinder 4 is directly above the conveyor belt. This facilitates the spreading of powder onto the conveyor belt through the filter cylinder 4.

[0135] The following is combined with Figure 1-2 This describes the specific usage process of a pneumatic oscillation powder spreading device according to this utility model.

[0136] Operator uses such Figure 1-2 When using the pneumatic oscillating powder spreading device shown, move the device to the conveyor belt so that the support feet 3 are located on both sides of the conveyor belt. Adjust the telescopic feet 9 below the support feet 3, that is, adjust the length of the telescopic rod 91, so that the frame 2 in the bracket 1 is placed above the conveyor belt, and the conveyor belt is directly opposite the lower opening of the filter cylinder 4. Take out the 50-mesh sieve 6 from the receiving tank 5, place the sieve 6 on the frame strip 41 inside the filter cylinder 4, and then place a large amount of powder into the receiving tank 5.

[0137] When the pellets produced by the pelletizing machine in the previous pelletizing process are continuously conveyed by the conveyor belt to the lower opening of the filter cylinder 4 of this device, the compressed air source is turned on, and compressed air is input into the pneumatic pressure regulator 8 through the pipeline. The compressed air is adjusted to 0.18 MPa, and the pneumatic vibrator 7 is started. The kinetic energy generated by the pneumatic vibrator 7 is conducted to the sieve plate 6 through the filter cylinder 4. The user takes out the powder from the receiving tank 5 and puts it into the filter cylinder 4. The powder falls onto the sieve plate 6, and under the vibration frequency of 10,000 times per minute, the powder is vibrated evenly and sieved, and falls through the holes of the sieve plate 6, sprinkling onto the pellets in the continuously running conveyor belt below.

[0138] This device can spread a large amount of powder per unit time and spread powder at a uniform speed. Compared with the original manual powder spreading production method, the uniformity of powder spreading by the pneumatic oscillating powder spreader is significantly improved. It can continuously and uniformly perform powder spreading action according to the production rhythm, greatly reducing the occurrence of "twin" or other non-standard powders in subsequent processes. At the same time, it can save one person and improve the level of production automation.

[0139] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A pneumatic oscillating powder spreading device, characterized in that, The support (1) includes a frame (2) and multiple support legs (3) located below the frame (2). The frame (2) includes a first frame section (21), a second frame section (22), a third frame section (23), and a fourth frame section (24) connected in sequence to form a hollow rectangle. The frame (2) is provided with a filter cylinder (4) and a receiving groove (5). The filter cylinder (4) is hollow and open at the top and bottom. The filter cylinder (4) is connected to the first frame section (21) and the third frame section (23) respectively. The filter cylinder (4) is provided with a sieve plate (6). A pneumatic oscillator (7) is connected to the outer wall of the filter cylinder (4). The pneumatic oscillator (7) is connected to a pneumatic pressure regulator (8). The receiving groove (5) is located on one side of the filter cylinder (4) and is connected to the first frame section (21) and the third frame section (23) respectively.

2. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The support leg (3) is perpendicular to the ground and the upper end of the support leg (3) is connected to the bottom surface of the frame (2).

3. The pneumatic oscillation powder spreading device according to claim 2, characterized in that, The upper end of the support leg (3) is connected to the bottom surface of the corner area of ​​the frame (2).

4. The pneumatic oscillating powder spreading device according to claim 3, characterized in that, The upper end of the support foot (3) is connected to the bottom surface of any of the following connection ends selected from the connection ends of the first frame segment (21) and the second frame segment (22), the connection ends of the second frame segment (22) and the third frame segment (23), the connection ends of the third frame segment (23) and the fourth frame segment (24), and the connection ends of the fourth frame segment (24) and the first frame segment (21).

5. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The lower end of the support foot (3) is provided with a telescopic foot (9). The telescopic foot (9) is provided with a telescopic rod (91) and a buffer ring (92) in sequence from the inside to the outside in the horizontal direction. The upper end of the telescopic rod (91) is telescopically connected to the lower end of the support foot (3).

6. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The support foot (3) includes at least four; the first frame segment (21) and the third frame segment (23) are the long sides of the frame (2), and the second frame segment (22) and the fourth frame segment (24) are the short sides of the frame (2).

7. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The filter cylinder (4) has a frame strip (41) on its inner wall. The frame strip (41) is arranged around the inner wall of the filter cylinder (4). The frame strip (41) protrudes horizontally inward relative to the inner walls of the filter cylinder (4) on both sides. The frame strip (41) is detachably connected to the sieve plate (6).

8. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The filter cartridge (4) has a fixing block (10) on its outer side wall, and the fixing block (10) is connected to a pneumatic oscillator (7).

9. The pneumatic oscillating powder spreading device according to claim 8, characterized in that, The top of the fixing block (10) is flush with the upper edge of the outer wall of the filter cylinder (4).

10. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The pneumatic oscillator (7) is connected to the pneumatic pressure regulator (8) via a pipeline; the pneumatic pressure regulator (8) is connected to an external air source via a pipeline.

11. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The pneumatic pressure regulator (8) is provided with a fixing plate (11). One side of the fixing plate (11) is connected to any one of the first frame segment (21) or the third frame segment (23). The other side of the fixing plate (11) is connected to the pneumatic pressure regulator (8) by a bolt-removable threaded connection.

12. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The receiving groove (5) is hollow and open at the top; one of the two opposite sides of the receiving groove (5) is detachably connected to the bottom surface of the first frame segment (21) and the third frame segment (23) respectively; one of the other two opposite sides of the receiving groove (5) is also detachably connected to the bottom surface of any segment selected from the second frame segment (22) or the fourth frame segment (24); and the other of the other two opposite sides of the receiving groove (5) is also close to the outer wall of the filter cartridge (4).

13. The pneumatic oscillating powder spreading device according to claim 1, characterized in that, The frame (2) is provided with a conveyor belt below, the support feet (3) are located on both sides of the conveyor belt, and the upper part of the conveyor belt is directly opposite the lower opening of the filter cylinder (4).

Images