Quantitative calomel packaging machine capable of automatically exhausting air

Abstract

The utility model discloses an automatic air exhaust quantitative packaging machine for calomel, which comprises a rack, a double-screw feeder is fixedly mounted at the top of the rack, a blanking pipe is fixedly mounted on the right side of the rack and is communicated with a discharge port of the double-screw feeder, a feeding stop valve is arranged at the top of the right side of the blanking pipe, and the feeding stop valve is communicated with the double-screw feeder. A pneumatic bag clamping device is installed on the surface of the discharging pipe, a scale frame fixedly connected with the rack is arranged under the discharging pipe, a sliding air pipe is arranged at the top of the discharging pipe in a penetrating mode, and the bottom end of the air pipe penetrates to the bottom of the discharging pipe and is fixedly connected with a nanometer air exhaust rod. According to the powder filling machine, the machine frame, the double-spiral feeding machine and the discharging pipe are used in cooperation, powder is filled into an inner cavity of a packaging bag, meanwhile, the air pipe, the nanometer air exhaust rod and the air exhaust box are used in cooperation, air among the powder is exhausted, the air content of materials is reduced, and the purposes of increasing the stacking density of the powder and achieving accurate specification filling of the powder can be achieved.

Description

Technical Field

[0001] This utility model belongs to the field of lightweight powder packaging technology, and in particular relates to an automatic vacuum lightweight powder quantitative packaging machine. Background Technology

[0002] A quantitative packaging machine is a device used to weigh and package various materials in quantitative quantities. It is widely used in many industries such as food, chemical, pharmaceutical, and feed. Quantitative packaging machines usually use load cells to measure the weight of materials. When materials enter the weighing hopper, the load cell converts the weight signal into an electrical signal and transmits it to the control system. The control system compares and calculates the weight based on the preset weight value. When the weight of the material reaches the set value, the control system issues a command to stop the supply of materials and start the packaging mechanism to package them.

[0003] For ultrafine powders with low density and containing air, which are relatively fluffy, the overall weight after being packaged into bags using traditional packaging machines is too small to meet the specified packaging specifications. Moreover, the high air content of the packaging bags makes them difficult to stack and is not conducive to logistics and transportation. Therefore, there is a need for an automatic degassing quantitative packaging machine for lightweight powders. This machine uses a degassing device, a nano-level degassing rod, and a lifting structure to extract air from the material, reduce the air content of the material, increase the bulk density, and facilitate filling and ensure accurate filling weight. Utility Model Content

[0004] The purpose of this invention is to provide an automatic vacuum-sealed quantitative packaging machine for lightweight powder. It employs a vacuum device, a nano-level vacuum rod, and a lifting structure to extract air from the material, reduce the air content of the material, increase the bulk density, and facilitate filling and ensure accurate filling weight, thereby solving the aforementioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: An automatic vacuum-sealed quantitative packaging machine for light powder includes a frame; a double spiral feeder is fixedly installed on the top of the frame; a feeding pipe is fixedly installed on the right side of the frame; the feeding pipe is connected to the discharge port of the double spiral feeder; a feeding stop valve is provided at the top right side of the feeding pipe; a pneumatic bag clamp is installed on the surface of the feeding pipe; a weighing frame fixedly connected to the frame is provided directly below the feeding pipe; a sliding air pipe is provided through the top of the feeding pipe; and a nano vacuum rod is fixedly connected to the bottom of the feeding pipe at the bottom end. The nano-vacuum rod is connected to the air pipe. A lifting cylinder is fixedly installed on the right side of the top of the frame. The output end of the lifting cylinder is fixedly connected to the top of the air pipe. A back-flushing pump is fixedly installed on the left side of the top of the inner cavity of the frame. An air extraction box is fixedly installed at the bottom of the inner cavity of the frame. A vacuum pump is fixedly installed on the top of the air extraction box. An explosion-proof pulse dust collector is fixedly installed on the left side of the frame. An exhaust pipe is fixedly connected to the front side of the discharge pipe. The exhaust pipe is connected to the air inlet of the explosion-proof pulse dust collector through a second flexible hose. A control box is fixedly installed on the rear side of the frame. A packaging bag is placed on the top of the weighing frame.

[0006] Preferably, a filter cartridge is fixedly installed at the top of the inner cavity of the vacuum box, and the filter cartridge covers the surface of the vacuum pump's suction end.

[0007] Preferably, the top of the weighing frame is provided with multiple sets of rollers, and the weighing frame is rotatably connected to the rollers.

[0008] Preferably, a fixed base is fixedly connected to the top of the feed pipe, and four guide pillars are rotatably connected to the inner cavity of the fixed base, with the surface of the air pipe in rolling contact with the surface of the guide pillars.

[0009] Preferably, the packaging bag is fitted onto the bottom of the feed tube surface, and the pneumatic bag clamp is held on the bag opening surface of the packaging bag.

[0010] Preferably, the air extraction box is connected to the air pipe via a hose, and the air outlet of the backflush pump is connected to the top of the air pipe via a hose.

[0011] The beneficial effects of this utility model are:

[0012] 1. This utility model uses a frame, a twin-screw feeder and a feeding pipe to fill powder into the inner cavity of a packaging bag. At the same time, the air pipe, a nano-vacuum rod and a vacuum box are used to extract air from between the powder particles, reduce the air content of the material, thereby increasing the bulk density of the powder and achieving the purpose of accurate powder filling.

[0013] 2. This utility model filters out powder that may be present in the extracted air by setting up a filter cartridge, thereby effectively preventing powder from entering the vacuum pump and ensuring the stable operation of the vacuum pump.

[0014] 3. With the cooperation of the fixed seat and the guide column, this utility model plays a role in limiting and guiding the air pipe, improving the stability of the air pipe during the lifting process, preventing the air pipe from deviating during the lifting process, and protecting the extended end of the lifting cylinder from damage caused by the bias force. Attached Figure Description

[0015] in:

[0016] Figure 1 This is a front cross-sectional view of one embodiment of the present invention;

[0017] Figure 2 This is a side cross-sectional view of one embodiment of the present invention;

[0018] Figure 3 This is a three-dimensional schematic diagram of the connection position of the trachea and guide column in one embodiment of the present invention.

[0019] The attached diagram lists the components represented by each number as follows:

[0020] 1. Frame, 2. Twin-screw feeder, 3. Feed pipe, 4. Feed stop valve, 5. Pneumatic bag clamp, 6. Weighing frame, 7. Air pipe, 8. Nano suction rod, 9. Lifting cylinder, 10. Backflush pump, 11. Suction box, 12. Filter cartridge, 13. Explosion-proof pulse dust collector, 14. Exhaust pipe, 15. Control box, 16. Mounting base, 17. Guide column, 18. Packaging bag. Detailed Implementation

[0021] In the following description, embodiments of the automatic vacuum powder quantitative packaging machine of the present invention will be described with reference to the accompanying drawings.

[0022] Figure 1-3This invention illustrates an embodiment of an automatic vacuum powder quantitative packaging machine, comprising a frame 1. A double-spiral feeder 2 is fixedly mounted on the top of the frame 1, and a feeding pipe 3 is fixedly mounted on the right side of the frame 1. A fixed seat 16 is fixedly connected to the top of the feeding pipe 3. Four guide pillars 17 are rotatably connected to the inner cavity of the fixed seat 16. The surface of the air pipe 7 rolls in contact with the surface of the guide pillars 17. Through the cooperation of the fixed seat 16 and the guide pillars 17, the air pipe 7 is limited and guided, improving the stability of the air pipe 7 during lifting and lowering, and preventing the air pipe 7 from collapsing during lifting and lowering. The extension end of the lifting cylinder 9 is protected against offset to prevent damage caused by bias force. The feeding pipe 3 is connected to the discharge port of the double spiral feeder 2. A feeding stop valve 4 is installed at the top right side of the feeding pipe 3. A pneumatic bag clamp 5 is installed on the surface of the feeding pipe 3. The packaging bag 18 is placed on the bottom of the surface of the feeding pipe 3, and the pneumatic bag clamp 5 clamps the bag opening surface of the packaging bag 18. A weighing frame 6 is fixedly connected to the frame 1 directly below the feeding pipe 3. Multiple sets of rollers are installed at the top of the weighing frame 6, and the weighing frame 6 is rotatably connected to the rollers. A through-hole device is installed at the top of the feeding pipe 3. A sliding air pipe 7 extends to the bottom of the feed pipe 3 and is fixedly connected to a nano-vacuum rod 8. The nano-vacuum rod 8 is connected to the air pipe 7. A lifting cylinder 9 is fixedly installed on the right side of the top of the frame 1. The output end of the lifting cylinder 9 is fixedly connected to the top of the air pipe 7. A backflush pump 10 is fixedly installed on the left side of the top of the inner cavity of the frame 1. An air extraction box 11 is fixedly installed at the bottom of the inner cavity of the frame 1. The air extraction box 11 is connected to the air pipe 7 through a hose. The air outlet of the backflush pump 10 is connected to the top of the air pipe 7 through a hose. A filter cartridge 1 is fixedly installed on the top of the inner cavity of the air extraction box 11. 2. The filter cartridge 12 is installed on the surface of the vacuum pump's suction end. The filter cartridge 12 filters out any powder that may be present in the suction air, thereby effectively preventing powder from entering the vacuum pump and ensuring the stable operation of the vacuum pump. The vacuum pump is fixedly installed on the top of the suction box 11. The explosion-proof pulse dust collector 13 is fixedly installed on the left side of the frame 1. The exhaust pipe 14 is fixedly connected to the front side of the discharge pipe 3. The exhaust pipe 14 is connected to the air inlet of the explosion-proof pulse dust collector 13 through a flexible hose 2. The control box 15 is fixedly installed on the rear side of the frame 1. The packaging bag 18 is placed on the top of the weighing frame 6.

[0023] Working Principle: When using this invention, the user manually places the packaging bag 18 onto the bottom of the feeding pipe 3 and activates the pneumatic bag clamp 5 to clamp and fix the opening of the packaging bag 18. Then, the equipment is started via the control box 15. At this time, the two screws of the double-screw feeder 2 automatically feed simultaneously, allowing the powder to enter the inner cavity of the packaging bag 18. When the material inside the packaging bag 18 reaches 20% of the set total weight (which can be set on the control box 15), the lifting cylinder 9 opens and drives the air pipe 7 to slide downwards, thereby allowing the nano-vacuum rod 8 to be inserted into the inner cavity of the packaging bag 18. At this time, the vacuum pump at the top of the vacuum box 11 is activated, extracting air from inside the vacuum box 11, creating a negative pressure inside the vacuum box 11. With the cooperation of the hose 1, a negative pressure is generated in the inner cavities of the air pipe 7 and the nano-vacuum rod 8, thereby allowing the air between the materials inside the packaging bag 18 to escape. The gas content of the material is reduced by the extraction process. During the extraction process, the double helix feeder 2 continues to feed the material. When the set material replenishment value is reached, the large helix of the double helix feeder 2 automatically stops, and the small helix feeds slowly until the set total weight is reached and the double helix feeder 2 completely stops feeding. At this time, the back-blowing pump 10 is turned on, the vacuum pump at the top of the extraction box 11 stops, and the back-blowing pump 10 supplies high-pressure gas into the inner cavity of the air pipe 7, which opens the nano-micropores blocked on the surface of the nano-extraction rod 8. Finally, with the cooperation of the air pipe 7 and the lifting cylinder 9, the nano-extraction rod 8 rises and resets, and the pneumatic bag clamp 5 automatically opens to complete the filling. During the filling process, the discharge pipe 3 is connected to the air inlet of the explosion-proof pulse dust collector 13 through the exhaust pipe 14, so that there is a certain negative pressure inside the discharge pipe 3. The negative pressure acts on the flying fine powder, thereby preventing dust from overflowing and keeping the on-site operating environment clean and tidy.

[0024] In summary, this automatic vacuum powder quantitative packaging machine, through the combined use of the frame 1, the double spiral feeder 2, and the feeding pipe 3, fills the inner cavity of the packaging bag 18 with powder. At the same time, the combined use of the air pipe 7, the nano vacuum rod 8, and the vacuum box 11 removes air from between the powder particles, reducing the gas content of the material. This increases the bulk density of the powder and achieves the purpose of accurate powder filling.

Claims

1. An automatic suction powder dosing packaging machine, characterized in that, Includes a frame (1): A double spiral feeder (2) is fixedly installed on the top of the frame (1), a discharge pipe (3) is fixedly installed on the right side of the frame (1), the discharge pipe (3) is connected to the discharge port of the double spiral feeder (2), a feed stop valve (4) is provided on the top right side of the discharge pipe (3), a pneumatic bag clamp (5) is installed on the surface of the discharge pipe (3), a weighing frame (6) fixedly connected to the frame (1) is provided directly below the discharge pipe (3), a sliding air pipe (7) is provided through the top of the discharge pipe (3), the bottom end of the air pipe (7) extends to the bottom of the discharge pipe (3) and is fixedly connected to a nano suction rod (8), the nano suction rod (8) is connected to the air pipe (7), the frame ( 1) A lifting cylinder (9) is fixedly installed on the right side of the top. The output end of the lifting cylinder (9) is fixedly connected to the top of the air pipe (7). A back-blowing pump (10) is fixedly installed on the left side of the top of the inner cavity of the frame (1). An air extraction box (11) is fixedly installed at the bottom of the inner cavity of the frame (1). A vacuum pump is fixedly installed on the top of the air extraction box (11). An explosion-proof pulse dust collector (13) is fixedly installed on the left side of the frame (1). An exhaust pipe (14) is fixedly connected to the front side of the feed pipe (3). The exhaust pipe (14) is connected to the air inlet of the explosion-proof pulse dust collector (13) through a flexible hose. A control box (15) is fixedly installed on the rear side of the frame (1). A packaging bag (18) is placed on the top of the weighing frame (6).

2. The automatic suction light powder dosing and packaging machine according to claim 1, characterized in that, A filter cartridge (12) is fixedly installed on the top of the inner cavity of the vacuum box (11), and the filter cartridge (12) covers the surface of the vacuum pump's suction end.

3. The automatic suction light powder dosing and packaging machine according to claim 2, characterized in that, The top of the weighing frame (6) is provided with multiple sets of rollers, and the weighing frame (6) is rotatably connected to the rollers.

4. The automatic suction light powder dosing and packaging machine according to claim 3, characterized in that, The top of the feed pipe (3) is fixedly connected to a fixed seat (16), and the inner cavity of the fixed seat (16) is rotatably connected to four guide pillars (17). The surface of the air pipe (7) is in rolling contact with the surface of the guide pillars (17).

5. The automatic suction light powder dosing and packaging machine according to claim 4, characterized in that, The packaging bag (18) is fitted onto the bottom of the surface of the feed tube (3), and the pneumatic bag clamp (5) is clamped on the opening surface of the packaging bag (18).

6. The automatic suction light powder dosing and packaging machine according to claim 5, characterized in that, The air extraction box (11) is connected to the air pipe (7) through a hose, and the air outlet of the backflush pump (10) is connected to the top of the air pipe (7) through a hose.

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