Powder packaging machine capable of preventing powder leakage

By designing a linkage cleaning and recycling device, the problems of powder leakage and dust dispersion during the bagging process of powder packaging machines are solved, realizing secondary sealing and recycling of powder, and improving packaging quality and production efficiency.

CN224090474UActive Publication Date: 2026-04-07ZHANGJIAGANG ZHONGDING ADDITIVE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Traditional powder packaging machines are prone to powder leakage and dust escaping from the outlet when the bagging speed is too fast, which affects the appearance of the packaging bag and increases cleaning costs. In addition, they lack effective secondary sealing and powder recycling measures.

Method used

The system employs a linkage cleaning and recycling device, including components such as a cylinder, an L-shaped push plate, an inclined sliding mechanism, a vertical sliding mechanism, a conveying pipe, a secondary sealing mechanism, a centrifugal fan, and a filter screen, to achieve secondary sealing and cleaning of the powder. The powder is conveyed by spiral blades and residual powder is collected and recycled using a centrifugal fan.

Benefits of technology

It achieves secondary sealing during the powder packaging process, reduces powder leakage, improves the appearance quality of the packaging bags, and realizes effective recycling and reuse of powder through a recycling device, thereby reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a powder packing machine capable of preventing powder leakage, which belongs to the technical field of powder packing and comprises a frame, a conveying device, a linkage cleaning device and a recovery device, the conveying device is mounted on the upper side of the frame, the linkage cleaning device is mounted on the lower side of the frame, the recovery device is mounted on the rear side of the frame, and the linkage cleaning device is mounted on the lower side of the frame. The linkage cleaning device comprises an air cylinder, an L-shaped push plate, two fixing rods, a first sliding block and a first transverse plate, the air cylinder is fixedly installed on the rear side of the rack, the L-shaped push plate is fixedly installed at the output end of the air cylinder, the two fixing rods are fixedly installed on the left side and the right side of the front side wall of the rack, and the first sliding block is slidably connected to the fixing rods; the first transverse plate is fixedly installed on the first sliding block. The linkage cleaning device further comprises an oblique sliding mechanism. By means of the mode, secondary sealing and powder recycling and cleaning can be carried out on the conveying pipe while auxiliary discharging is carried out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to powder packing technical field, specifically a powder packing machine that prevents powder leakage. BACKGROUND

[0002] The powder packing machine is a full-automatic metering bag of all kinds of uniform particles and all kinds of powder, and the powder packing machine is equipped with automatic material level control, and can be selected to remove static electricity and dust suction device, and is widely applied to food, medicine, chemical industry, additive and many other industries, and the traditional powder packing machine has the problems of powder leakage at the discharge port when the bagging speed is too fast or vibration of moving parts to produce dust dispersion, so that the next packaging bag has powder dust on the outer wall when preparing to load, which affects the appearance and increases the production cost of cleaning the outside of the packaging bag, and the powder packing machine needs to be debugged for many times to ensure that the powder does not excessively disperse to the outer wall of the packaging bag during loading.

[0003] The Chinese patent with publication number CN221542032U discloses a powder automatic packing machine, which comprises a discharging mechanism, a conveying mechanism and a sealing mechanism, wherein the conveying mechanism is located below the discharging mechanism, and the sealing mechanism is located above the conveying mechanism.

[0004] However, the technical solution of the patent has the following problems:

[0005] The patent cannot assist in discharging while sealing the discharge port and recycling and cleaning the powder.

[0006] Therefore, the technical personnel in the art provide a powder packing machine that prevents powder leakage to solve the above problems. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a powder packing machine that prevents powder leakage to solve the problems in the background art.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The application discloses a powder packaging machine capable of preventing powder leakage, which comprises a rack, a conveying device, a linkage cleaning device and a recycling device, wherein the conveying device is installed on the upper side of the rack, the linkage cleaning device is installed on the lower side of the rack, and the recycling device is installed on the rear side of the rack.

[0010] Further, the linkage cleaning device comprises an extension frame and a vertical plate, the extension frame is fixedly installed on the front side wall of the rack, and the vertical plate is fixedly installed on the upper side of the extension frame.

[0011] Further, the linkage cleaning device further comprises a vertical sliding mechanism, the vertical sliding mechanism is installed on the vertical plate, and the vertical sliding mechanism comprises a guide wheel and a second horizontal plate, the second horizontal plate is arranged on the front side of the rack, two guide wheels are rotationally connected to the left and right sides of the second horizontal plate through rotating shafts respectively, one end of the guide wheel, which is away from the second horizontal plate, is slidably connected to the oblique sliding groove, and the vertical sliding mechanism further comprises a butt joint assembly, the butt joint assembly is installed on the first sliding block, and the butt joint assembly comprises a supporting plate, a guide rail and a second sliding block.

[0012] Further, the conveying device comprises a hopper, a powder butterfly valve and a sealing cover, the hopper is fixedly installed on the upper side of the rack, the powder butterfly valve is fixedly installed on the lower side output end of the hopper, and the sealing cover is fixedly installed on the upper side of the hopper.

[0013] Further, the conveying device further comprises a driving motor, a first spiral blade and a second spiral blade, the driving motor is fixedly installed on the upper side of the rack, the output end of the driving motor is arranged on the lower side of the sealing cover and penetrates through the sealing cover, the first spiral blade is fixedly installed on the output shaft of the driving motor, and the second spiral blade is fixedly installed on the lower side of the first spiral blade and arranged on the lower side output end of the hopper.

[0014] Furthermore, the conveying device also includes a secondary sealing mechanism, which is installed at the end of the powder butterfly valve away from the lower output end of the hopper. The secondary sealing mechanism includes a conveying pipe, a fixed frame, and a sliding plate. The conveying pipe is fixedly installed at the end of the powder butterfly valve away from the lower output end of the hopper. The fixed frame is fixedly installed on the conveying pipe. The sliding plate is slidably connected to the fixed frame. The front side of the sliding plate is in close contact with the inner wall of the conveying pipe, and the rear side of the sliding plate is fixedly connected to the upper side of the L-shaped push plate.

[0015] Furthermore, the recycling device includes: a support frame and a connecting hose, the support frame is fixedly installed in the middle of the second horizontal plate, a circular opening is provided in the middle of the support frame, and one end of the connecting hose is fixedly connected to the lower side of the circular opening;

[0016] Furthermore, the recycling device also includes: a collection box, a centrifugal fan, and a buffer box. The collection box is fixedly installed on the rear side wall of the frame, the centrifugal fan is fixedly installed on the collection box, the output end of the centrifugal fan is connected to the upper side of the collection box, the buffer box is fixedly installed on the input end of the centrifugal fan, and the end of the connecting hose away from the support frame is fixedly connected to the upper side of the buffer box.

[0017] Furthermore, the recycling device also includes a filter screen and a sealing door, wherein the filter screen is fixedly installed on the right side of the collection box and the sealing door is hinged to the left side of the collection box.

[0018] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model uses the extension of the cylinder output end of the linkage cleaning device to drive the L-shaped push plate to move forward. The forward movement of the L-shaped push plate drives the first horizontal plate and the first slider to move forward. Through the cooperation of the oblique sliding mechanism, the vertical sliding mechanism and the docking assembly, the carrying frame is pushed to the conveying pipe position of the secondary sealing mechanism, and the conveying pipe is sealed for the second time. The recycling device cleans the powder. The forward movement of the first horizontal plate pushes the filled packaging bag forward, which is beneficial for the secondary sealing of the conveying pipe and the cleaning of powder while discharging the material.

[0019] 2. The output shaft of the drive motor rotates, which drives the first spiral blade to rotate. The rotation of the first spiral blade drives the second spiral blade to rotate, stirring and discharging the powder in the hopper downwards, which is conducive to rapid feeding. The centrifugal fan starts to suck up the powder in the space formed by the conveying pipe, sliding plate and bearing frame, and transports it to the buffer box through the connecting hose. Then it enters the collection box. The filter screen filters and separates the powder and the air sucked in at the same time. The powder remains in the collection box, and the excess air is discharged from the collection box. The sealed door is opened to recover the powder in the collection box for secondary use, which is conducive to the secondary recovery of residual powder at the conveying port. Attached Figure Description

[0020] Figure 1This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0021] Figure 2 This is a front view of the present utility model;

[0022] Figure 3 For along Figure 2 Sectional view along the AA direction;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0024] In the diagram: 1. Frame; 2. Conveying device; 21. Hopper; 22. Powder butterfly valve; 23. Sealing cover; 24. Drive motor; 25. First spiral blade; 26. Second spiral blade; 27. First silicone sealing gasket; 28. Second silicone sealing gasket; 29. ​​Conveying pipe; 210. Fixed frame; 211. Sliding plate; 3. Linkage cleaning device; 31. Cylinder; 32. L-shaped push plate; 33. Fixed rod; 34. First slider; 35. First horizontal plate; 36. Extension frame; 37. Vertical plate; 38. Guide wheel; 39. Second horizontal plate; 310. Support plate; 311. Guide rail; 312. Second slider; 4. Recycling device; 41. Bearing frame; 42. Connecting hose; 43. Collection box; 44. Centrifugal fan; 45. Buffer box; 46. Filter screen; 47. Sealing door. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0027] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-4A powder packaging machine for preventing powder leakage includes a frame 1, and further includes a conveying device 2, a linkage cleaning device 3, and a recycling device 4. The conveying device 2 is installed on the upper side of the frame 1, the linkage cleaning device 3 is installed on the lower side of the frame 1, and the recycling device 4 is installed on the rear side of the frame 1. The linkage cleaning device 3 includes a cylinder 31, an L-shaped push plate 32, a fixed rod 33, a first slider 34, and a first horizontal plate 35. The cylinder 31 is fixedly installed on the rear side of the frame 1, the L-shaped push plate 32 is fixedly installed on the output end of the cylinder 31, the two fixed rods 33 are fixedly installed on the left and right sides of the front side wall of the frame 1, the first slider 34 is slidably connected to the fixed rod 33, and the first horizontal plate 35 is fixedly installed on the first slider 34. The linkage cleaning device 3 also includes an inclined sliding mechanism, the two inclined sliding mechanisms are installed on the left and right sides of the front side wall of the frame 1, and an electronic scale is provided on the lower side of the frame 1 for weighing the packaged bags after bagging.

[0028] The conveying device 2 conveys the powder, the linkage cleaning device 3 assists in unloading the powder after bagging, and cleans the residual powder at the output end of the conveying device 2. The recycling device 4 recycles the residual powder.

[0029] The cylinder 31 of the linkage cleaning device 3 extends and drives the L-shaped push plate 32 to move forward. The forward movement of the L-shaped push plate 32 drives the first horizontal plate 35 and the first slider 34 to move forward. The fixing rod 33 is used to limit the direction of the forward movement of the first horizontal plate 35 and the first slider 34.

[0030] The oblique sliding mechanism includes an extension frame 36 and a vertical plate 37. The extension frame 36 is fixedly installed on the front side wall of the frame 1, and the vertical plate 37 is fixedly installed on the upper side of the extension frame 36. An oblique sliding groove is provided on the vertical plate 37.

[0031] The linkage cleaning device 3 further includes: a vertical sliding mechanism, which is installed on a vertical plate 37. The vertical sliding mechanism includes: guide wheels 38 and a second horizontal plate 39. The second horizontal plate 39 is located on the front side of the frame 1. The two guide wheels 38 are rotatably connected to the left and right sides of the second horizontal plate 39 respectively through a rotating shaft. The end of the guide wheel 38 away from the second horizontal plate 39 is slidably connected to the oblique slot. The vertical sliding mechanism also includes: a docking assembly, which is installed on a first slider 34. The docking assembly includes: a support plate 310, a guide rail 311, and a second slider 312. The support plate 310 is fixedly installed on the front side of the first slider 34. The guide rail 311 is fixedly installed on the rear side wall of the support plate 310. The second slider 312 is slidably connected to the guide rail 311. The second horizontal plate 39 is fixedly installed on the second slider 312.

[0032] The oblique sliding mechanism is used to restrict the vertical sliding mechanism, so that the vertical sliding mechanism moves obliquely while moving vertically upward. The first horizontal plate 35 moves forward, driving the support plate 310 of the docking assembly to move forward. The support plate 310 moves forward, driving the guide rail 311 and the second slider 312 to move forward. The second slider 312 moves forward, driving the second horizontal plate 39 to move forward. The second horizontal plate 39 moves forward, driving the second horizontal plate 39 of the vertical sliding mechanism to move forward. The second horizontal plate 39 moves forward, driving the guide wheel 38 to move forward. The guide wheel 38 moves forward and moves along the oblique sliding groove under the restriction of the oblique sliding groove of the extension frame 36 of the oblique sliding mechanism, so that the second horizontal plate 39 moves along the oblique sliding groove.

[0033] The conveying device 2 includes: a hopper 21, a powder butterfly valve 22, and a sealing cover 23. The hopper 21 is fixedly installed on the upper side of the frame 1, the powder butterfly valve 22 is fixedly installed on one side of the lower output end of the hopper 21, and the sealing cover 23 is fixedly installed on the upper side of the hopper 21.

[0034] Powder is placed in the hopper 21 of the conveying device 2. The sealing cover 23 is used to seal the hopper 21. The powder butterfly valve 22 is used to control whether the lower output end of the hopper 21 is opened.

[0035] The conveying device 2 further includes: a drive motor 24, a first spiral blade 25, and a second spiral blade 26. The drive motor 24 is fixedly installed on the upper side of the frame 1. The output end of the drive motor 24 passes through the sealing cover 23 and is located on the lower side of the sealing cover 23. The first spiral blade 25 is fixedly installed on the output shaft of the drive motor 24. The second spiral blade 26 is fixedly installed on the lower side of the first spiral blade 25. The lower side of the second spiral blade 26 is located at the lower output end of the hopper 21.

[0036] The output shaft of the drive motor 24 rotates, which drives the first spiral blade 25 to rotate. The rotation of the first spiral blade 25 drives the second spiral blade 26 to rotate, which stirs and outputs the powder in the hopper 21 downward. The first spiral blade 25 is used for mixing, and the second spiral blade 26 is used for feeding.

[0037] When the powder butterfly valve 22 is opened, the powder falls into the packaging bag and is weighed by the electronic scale on the lower side of the frame 1. When the weight reaches the preset range, the powder butterfly valve 22 is closed.

[0038] The conveying device 2 further includes a secondary sealing mechanism, which is installed at the end of the powder butterfly valve 22 away from the lower output end of the hopper 21. The secondary sealing mechanism includes a conveying pipe 29, a fixed frame 210, and a sliding plate 211. The conveying pipe 29 is fixedly installed at the end of the powder butterfly valve 22 away from the lower output end of the hopper 21. The fixed frame 210 is fixedly installed on the conveying pipe 29. The sliding plate 211 is slidably connected to the fixed frame 210. The front side of the sliding plate 211 is in close contact with the inner wall of the conveying pipe 29. The rear side of the sliding plate 211 is fixedly connected to the upper side of the L-shaped push plate 32. A first silicone sealing gasket 27 is fixedly installed on the lower side of the conveying pipe 29. A second silicone sealing gasket 28 is fixedly installed at the end of the sliding plate 211 that is in close contact with the inner wall of the conveying pipe 29.

[0039] The extension of the output end of cylinder 31 drives the L-shaped push plate 32 to move forward. The forward movement of the L-shaped push plate 32 drives the sliding plate 211 to move forward. The forward movement of the sliding plate 211 closes the conveying pipe 29, which is beneficial for material feeding while performing secondary sealing and powder cleaning of the conveying pipe 29. This ensures that when the next packaging bag is filled, there is no excess powder escaping from the lower output end of the conveying pipe 29.

[0040] Example 2: In some embodiments, such as Figures 1-4 In a preferred embodiment of the present invention, the recycling device 4 includes a support frame 41 and a connecting hose 42. The support frame 41 is fixedly installed on the middle side of the second horizontal plate 39. A circular opening is provided on the middle side of the support frame 41. One end of the connecting hose 42 is fixedly connected to the lower side of the circular opening.

[0041] The second horizontal plate 39 moves along the inclined chute, causing the carrier frame 41 of the recycling device 4 to move along the inclined chute. The carrier frame 41 moves to the position of the first silicone sealing pad 27 on the lower side of the conveying pipe 29.

[0042] The recycling device 4 further includes: a collection box 43, a centrifugal fan 44, and a buffer box 45. The collection box 43 is fixedly installed on the rear side wall of the frame 1. The centrifugal fan 44 is fixedly installed on the collection box 43. The output end of the centrifugal fan 44 is connected to the upper side of the collection box 43. The buffer box 45 is fixedly installed on the input end of the centrifugal fan 44. The end of the connecting hose 42 away from the support frame 41 is fixedly connected to the upper side of the buffer box 45.

[0043] The centrifugal fan 44 starts to suck up the powder in the space formed by the conveying pipe 29, the sliding plate 211 and the support frame 41, and transports it to the buffer box 45 through the connecting hose 42, and then into the collection box 43.

[0044] The recycling device 4 further includes a filter screen 46 and a sealing door 47. The filter screen 46 is fixedly installed on the right side of the collection box 43, and the sealing door 47 is hinged to the left side of the collection box 43.

[0045] The filter screen 46 filters and separates the powder and the air drawn in together. The powder remains in the collection box 43, and the excess air is discharged from the collection box 43. The sealing door 47 is opened to recover the powder in the collection box 43 for secondary use.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions 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 this utility model.

Claims

1. A powder packaging machine for preventing powder leakage, comprising a frame (1), characterized in that, Also includes: The conveying device (2), the linkage cleaning device (3), and the recycling device (4) are provided. The conveying device (2) is installed on the upper side of the frame (1), the linkage cleaning device (3) is installed on the lower side of the frame (1), and the recycling device (4) is installed on the rear side of the frame (1). The linkage cleaning device (3) includes: a cylinder (31), an L-shaped push plate (32), a fixed rod (33), a first slider (34), and a first horizontal plate (35). The cylinder (31) is fixedly installed on the rear side of the frame (1), the L-shaped push plate (32) is fixedly installed on the output end of the cylinder (31), the two fixed rods (33) are fixedly installed on the left and right sides of the front sidewall of the frame (1), the first slider (34) is slidably connected to the fixed rod (33), and the first horizontal plate (35) is fixedly installed on the first slider (34). The linkage cleaning device (3) also includes: an inclined sliding mechanism, and the two inclined sliding mechanisms are installed on the left and right sides of the front sidewall of the frame (1).

2. The powder packaging machine for preventing powder leakage according to claim 1, characterized in that, The oblique sliding mechanism includes an extension frame (36) and a vertical plate (37). The extension frame (36) is fixedly installed on the front side wall of the frame (1), and the vertical plate (37) is fixedly installed on the upper side of the extension frame (36). An oblique sliding groove is provided on the vertical plate (37).

3. The powder packaging machine for preventing powder leakage according to claim 2, characterized in that, The linkage cleaning device (3) further includes: a vertical sliding mechanism, which is installed on a vertical plate (37). The vertical sliding mechanism includes: a guide wheel (38) and a second horizontal plate (39). The second horizontal plate (39) is located on the front side of the frame (1). The two guide wheels (38) are rotatably connected to the left and right sides of the second horizontal plate (39) through a rotating shaft. The end of the guide wheel (38) away from the second horizontal plate (39) is slidably connected to the oblique slot. The vertical sliding mechanism further includes: a docking assembly, which is installed on a first slider (34).

4. The powder packaging machine for preventing powder leakage according to claim 1, characterized in that, The conveying device (2) includes: a hopper (21), a powder butterfly valve (22) and a sealing cover (23). The hopper (21) is fixedly installed on the upper side of the frame (1), the powder butterfly valve (22) is fixedly installed on one side of the lower output end of the hopper (21), and the sealing cover (23) is fixedly installed on the upper side of the hopper (21).

5. The powder packaging machine for preventing powder leakage according to claim 4, characterized in that, The conveying device (2) further includes: a drive motor (24), a first spiral blade (25) and a second spiral blade (26). The drive motor (24) is fixedly installed on the upper side of the frame (1). The output end of the drive motor (24) passes through the sealing cover (23) and is located on the lower side of the sealing cover (23). The first spiral blade (25) is fixedly installed on the output shaft of the drive motor (24). The second spiral blade (26) is fixedly installed on the lower side of the first spiral blade (25). The lower side of the second spiral blade (26) is located at the lower output end of the hopper (21).

6. The powder packaging machine for preventing powder leakage according to claim 5, characterized in that, The conveying device (2) further includes a secondary sealing mechanism, which is installed at the lower output end of the powder butterfly valve (22) away from the hopper (21). The secondary sealing mechanism includes a conveying pipe (29), a fixed frame (210), and a sliding plate (211). The conveying pipe (29) is fixedly installed at the lower output end of the powder butterfly valve (22) away from the hopper (21). The fixed frame (210) is fixedly installed on the conveying pipe (29). The sliding plate (211) is slidably connected to the fixed frame (210). The front side of the sliding plate (211) is close to the inner wall of the conveying pipe (29). The rear side of the sliding plate (211) is fixedly connected to the upper side of the L-shaped push plate (32).

7. The powder packaging machine for preventing powder leakage according to claim 3, characterized in that, The recycling device (4) includes a support frame (41) and a connecting hose (42). The support frame (41) is fixedly installed on the middle side of the second horizontal plate (39). A circular opening is provided on the middle side of the support frame (41). One end of the connecting hose (42) is fixedly connected to the lower side of the circular opening.

8. The powder packaging machine for preventing powder leakage according to claim 7, characterized in that, The recycling device (4) further includes: a collection box (43), a centrifugal fan (44), and a buffer box (45). The collection box (43) is fixedly installed on the rear side wall of the frame (1). The centrifugal fan (44) is fixedly installed on the collection box (43). The output end of the centrifugal fan (44) is connected to the upper side of the collection box (43). The buffer box (45) is fixedly installed at the input end of the centrifugal fan (44). The end of the connecting hose (42) away from the bearing frame (41) is fixedly connected to the upper side of the buffer box (45). The recycling device (4) further includes: a filter screen (46) and a sealing door (47). The filter screen (46) is fixedly installed on the right side of the collection box (43). The sealing door (47) is hinged to the left side of the collection box (43).

Citation Information

Patent Citations

  • Automatic powder packaging machine

    CN221542032U