CN215591136U

CN215591136U - Packaging machine

Info

Publication number: CN215591136U
Application number: CN202121702310.XU
Authority: CN
Inventors: 胡文茂; 窦锦娇; 王磊; 窦锦栋; 谭永军
Original assignee: Shandong Whitehead New Material Co Ltd
Current assignee: Shandong Whitehead New Material Co Ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-21
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a packaging machine, which relates to the technical field of nano calcium carbonate production equipment and comprises a storage bin and a spiral conveyor connected with the bottom of the storage bin, wherein a powder inlet is formed in the side wall of the storage bin, a powder outlet is formed in the bottom of the storage bin, an air inlet is also formed in the storage bin, an air outlet is respectively formed in the upper portion and the lower portion of the side wall of the storage bin, a feeding end of the spiral conveyor is connected to the powder outlet, a stirring device is also arranged on the powder outlet, and the stirring device is in transmission connection with the spiral conveyor. According to the utility model, high-pressure gas is introduced into the powder bin, so that powder in the bin is compacted under the dual effects of air pressure and the gravity of the powder, the gas in the powder is discharged, and the stirring device is additionally arranged at the powder outlet and used for preventing the phenomena of arching and material suspension of the bin, thereby ensuring the weighing and loading precision.

Description

Packaging machine

Technical Field

The utility model relates to the technical field of nano calcium carbonate production equipment, in particular to a packaging machine.

Background

The powder packaging machine is a group of novel products designed for powdery materials on the basis of a particle packaging machine, and is mainly suitable for various powdery and fine particle materials. The nano calcium carbonate powder is widely applied to the industries of metallurgy and the like, and generally has superfine granularity, large surface area and light specific gravity due to the production and use requirements. Because of large gas content, the ultra-light fine powder materials have different volumes of materials and air in the transportation space between auger blades of the screw feeder during direct packaging, so that the weight transmitted each time is inconsistent, and the precision during subsequent packaging is inaccurate.

Disclosure of Invention

In view of the above defects, the present invention provides a packaging machine, which degasses powder materials before the packaging and conveying process, so as to ensure accurate conveying precision of a screw conveyor, and thus ensure accurate subsequent packaging precision.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a packaging machine, including the feed bin and with the screw conveyer that the feed bin bottom links to each other, be provided with the powder import on the feed bin lateral wall, the feed bin bottom is provided with the powder export, still be provided with the air inlet on the feed bin, the upper portion and the lower part of feed bin lateral wall respectively are provided with an gas vent, be connected with in the powder export screw conveyer's feed end, still be provided with agitating unit in the powder export, agitating unit with the screw conveyer transmission is connected.

Wherein, agitating unit includes the (mixing) shaft, the (mixing) shaft rotates to be installed the feed bin bottom, (mixing) shaft one end is stretched out first toper tooth is installed to the feed bin, install second toper tooth on screw conveyer's the rotation axis, first toper tooth with second toper tooth meshing, be provided with the stirring leaf on the (mixing) shaft.

The bag clamping device is characterized in that a discharge barrel is fixed to the discharge end of the spiral conveyor, an air exhaust opening is formed in the discharge barrel, a bag clamping device is arranged on the discharge barrel, a supporting table is arranged right below the discharge barrel, and a platform scale is arranged on the supporting table.

Wherein, the blown down bucket is including the blown down bucket inlayer and the blown down bucket skin that cup joint each other, blown down bucket inlayer with screw conveyer inside intercommunication, blown down bucket skin is fixed screw conveyer's outside, the blown down bucket inlayer is the elastic tube, elastic tube one end is connected screw conveyer's discharge end, the other end is fixed with the stub bar, be provided with the traction hole on the blown down bucket skin, be provided with draw gear in the traction hole, draw gear connects the stub bar, the extraction opening is located the blown down bucket skin.

The bag clamping device comprises two arc-shaped bag clamping blocks which are oppositely arranged, the packaging bag is arranged between the bag clamping blocks and the outer layer of the discharge barrel, and the bag clamping blocks are connected with air cylinders.

Wherein, the exhaust port with all be provided with the filter screen on the extraction opening.

Wherein, the exhaust port and the extraction opening are both connected with a bag-type dust collector.

Wherein, the top of the storage bin is provided with a pressure sensor.

Wherein, the supporting platform is a lifting supporting platform.

After the technical scheme is adopted, the utility model has the beneficial effects that:

the packaging machine comprises a storage bin and a spiral conveyor connected with the bottom of the storage bin, wherein a powder inlet is formed in the side wall of the storage bin, a powder outlet is formed in the bottom of the storage bin, an air inlet is formed in the storage bin, an air outlet is formed in the upper portion and the lower portion of the side wall of the storage bin respectively, a feeding end of the spiral conveyor is connected to the powder outlet, and a stirring device is further arranged on the powder outlet and is in transmission connection with the spiral conveyor. After the powder nano calcium carbonate is filled into the bin, the height of the powder is higher than that of the exhaust port at the upper part, the bin is provided with an air inlet, high-pressure gas is introduced into the air inlet and compresses and tamps the nano calcium carbonate powder in the bin, so that the powder in the bin is compacted under the dual actions of air pressure and the gravity of the powder, and the gas in the powder is discharged, but the powder at the bottom is easy to generate gas aggregation during air discharge due to larger thickness of the powder, and the phenomena of bin spraying, arch formation and suspension can occur during discharging, so that the production is influenced, the exhaust ports are respectively arranged at the upper part and the lower part of the side wall of the bin and are used for discharging the gas in the powder, the stirring device is arranged at the powder outlet and is used for preventing the phenomena of arch formation and suspension of the bin, the air content of the powder between blades of the spiral conveyor is small when the compacted powder is conveyed by the spiral conveyor, therefore, the density difference of powder conveyed each time is not large, the weight difference is not large, and when the packaging is nearly finished, the conveying amount is controlled by controlling the speed of the spiral conveyor, so that the weighing precision is ensured.

Because the storage bucket is including the storage bucket inlayer and the storage bucket skin that cup joint each other, storage bucket inlayer and screw conveyer inside intercommunication, the storage bucket skin is fixed in screw conveyer's outside, and the storage bucket inlayer is the elastic tube, and the discharge end at screw conveyer is connected to elastic tube one end, and the other end is fixed with the ejection of compact head, is provided with the traction hole on the storage bucket skin, is provided with draw gear in the traction hole, and draw gear connects the ejection of compact head, and the extraction opening is located the storage bucket skin. Through designing into inside and outside two-layer with the storage bucket, can guarantee that whole title dress process all is in encapsulated situation, greatly reduced the powder overflow to external possibility to operational environment has been improved.

In conclusion, the packaging machine solves the technical problem of inaccurate weighing and loading precision of powder due to large gas content in the prior art, and the utility model discharges redundant gas in the powder by introducing high-pressure gas into a bin and utilizing the gravity of gas flow and the powder per se to ensure that the conveying quantity of the powder is basically the same every time, thereby controlling the weighing and loading precision.

Drawings

Fig. 1 is a schematic view of the structure of a packaging machine according to the utility model;

FIG. 2 is a schematic view of the first and second clamp blocks of FIG. 1;

in the figure: 10. a storage bin, 11, a powder inlet, 12, a powder outlet, 13, an air inlet, 141, a first exhaust port, 142, a second exhaust port, 15, a stirring device, 151, a stirring shaft, 152, a stirring blade, 153, a first conical tooth, 16, a pressure sensor, 20, a screw conveyor, 21, a rotating shaft, 22, a second conical tooth, 23, a discharging end, 30, a discharging barrel, 31, a discharging barrel inner layer, 310, a discharging head, 32, a discharging barrel outer layer, 320, a traction hole, 321, an air suction port, 33, a traction device, 330, a traction rope, 331, a rope winding roller, 40, a supporting platform, 41, a platform scale, 42, a packaging bag, 50, a bag clamping device, 51, a first bag clamping block, 52, a second bag clamping block, 53, a fixing plate, 54, a first air cylinder, 60 and a bag dust collector.

Detailed Description

The utility model is further illustrated below with reference to the figures and examples.

All the orientations referred to in the present specification are based on the orientations shown in the drawings, and only represent relative positional relationships, not absolute positional relationships.

As shown in fig. 1, a packing machine includes a bin 10, a powder inlet 11 is disposed on a side wall of the bin 10, and the powder inlet 11 is used for filling collected nano calcium carbonate powder into the bin 10. The powder inlet 11 is located in the upper region of the storage bin 10, the powder outlet 12 is arranged at the bottom of the storage bin 10, the storage bin 10 is further provided with an air inlet 13, and the upper portion and the lower portion of the side wall of the storage bin 10 are respectively provided with an air outlet, namely a first air outlet 141 and a second air outlet 142. The first exhaust port 141 and the second exhaust port 142 are connected to the bag-type dust collector 60 through a three-way pipe. The powder outlet 12 is connected with a feeding end of a screw conveyor 20, the powder outlet 12 is also provided with a stirring device 15, and the stirring device 15 is in transmission connection with the screw conveyor 20. The top of the storage bin 10 is provided with a pressure sensor 16, and the pressure sensor 16 is used for monitoring the pressure in the storage bin 10 and preventing the pressure in the storage bin 10 from being too high to cause danger.

As shown in fig. 1, the stirring device 15 includes a stirring shaft 151, the stirring shaft 151 is rotatably installed at the bottom of the silo 10, and a stirring blade 152 is disposed on the stirring shaft 151. One end of the stirring shaft 151 extends out of the bin 10 and is provided with a first conical tooth 153, the rotating shaft 21 of the screw conveyor 20 is provided with a second conical tooth 22, and the first conical tooth 153 is meshed with the second conical tooth 22.

As shown in fig. 1, a discharging barrel 30 is fixed on the discharging end 23 of the screw conveyor 20, the discharging barrel 30 includes a discharging barrel inner layer 31 and a discharging barrel outer layer 32 which are sleeved with each other, and the discharging barrel inner layer 31 is fixedly connected to the discharging end of the screw conveyor 20 and is communicated with the inside of the screw conveyor 20. The outer layer 32 of the discharge bucket is fixed outside the screw conveyor 20. The inner layer 31 of the discharging barrel is an elastic pipe, and the embodiment adopts a corrugated expansion pipe. One end of the elastic pipe is connected to the discharge end of the screw conveyor 20, the other end of the elastic pipe is fixed with a discharge head 310, the discharge head 310 has a certain weight, and the discharge head 310 can stretch the telescopic pipe without external force interference. The outer layer 32 of the discharging barrel is provided with a drawing hole 320, a drawing device 33 is arranged in the drawing hole 320, and the drawing device 33 comprises a drawing rope 330 and a rope winding roller 331. The rope winding roller 331 is driven by a motor to rotate, and the pulling rope 330 penetrates through the pulling hole 320, extends into the discharging barrel 30 and is fixed on the discharging head 310. In order to ensure that the discharging head 310 ascends stably, two ends of the discharging head 310 are respectively connected with a group of traction devices 33, an air suction opening 321 is formed in the outer layer 32 of the discharging barrel, and an air suction device is connected to the air suction opening 321, so that dust in the discharging barrel 30 can be sucked out.

As shown in fig. 1, a support table 40 is disposed under the discharging barrel 30, a platform scale 41 is disposed on the support table 40, and a packing bag 42 is disposed on the platform scale 41. The discharging barrel 30 is provided with a bag clamping device 50, and the bag clamping device 50 clamps the packaging bag 42 on the discharging barrel 30.

As shown in fig. 1 and 2, the bag clamping device 50 includes two arc-shaped bag clamping blocks, namely a first bag clamping block 51 and a second bag clamping block 52, which are oppositely arranged. The intrados of the first bag clamping block 51 and the second bag clamping block 52 are attached to the outer layer 32 of the discharge barrel, and the first bag clamping block 51 and the second bag clamping block 52 enclose a circle together to clamp the outer layer 32 of the discharge barrel inside. The package 42 is disposed between the clamp block and the exit bin outer layer 32. The fixing plates 53 are disposed on two sides of the outer layer 32 of the discharging barrel, and the fixing plates can be fixed on the supporting platform 40 or fixed on the discharging barrel 30 through the bracket, which is not limited in this embodiment. The fixing plate 53 is provided with a first air cylinder 54, the first air cylinder 54 is fixedly installed above the fixing plate 53, the telescopic direction of the output shaft of the first air cylinder 54 faces the discharging barrel 30, the output shaft of the first air cylinder 54 is fixedly connected with the first bag clamping block 51, and the first bag clamping block 51 is controlled to compress and be far away from the outer layer 32 of the discharging barrel through the telescopic action of the first air cylinder 54. The second bag clamping block 52 has the same structure as the first bag clamping block 51, but is arranged opposite to the first bag clamping block 51, so that the direction of the output shaft of the air cylinder controlling the second bag clamping block 52 is opposite to the direction of the output shaft of the air cylinder controlling the first bag clamping block 51, and the first bag clamping block 51 and the second bag clamping block 52 act simultaneously and are pressed on the outer layer 32 of the discharging barrel.

As shown in fig. 1, the first exhaust port 141, the second exhaust port 142, and the suction port 321 are provided with filter nets, and are connected to the bag-type dust collector 60. Because the packaging bags may have differences, in order to increase the universality of the equipment, the support table 40 is a lifting support table, and the lifting of the support table 40 is controlled by a hydraulic system.

As shown in fig. 1, the working process of the packaging machine of the present invention is as follows:

firstly, adding nano calcium carbonate powder into the storage bin 10 from the powder inlet 11, wherein the height of the powder is higher than that of the first exhaust port 141, opening the first exhaust port 141 and the second exhaust port 142, then introducing high-pressure gas into the storage bin 10 through the gas inlet 13, and closing the first exhaust port 141 and the second exhaust port 142 when the pressure in the storage bin 10 reaches a set value and is basically kept unchanged.

Secondly, the packaging bag 42 is clamped on the outer layer 32 of the discharging barrel through the bag clamping device 50, the traction device 33 is loosened, and the inner layer 31 of the discharging barrel falls to the bottom of the packaging bag 42 under the gravity of the discharging head 310.

And thirdly, opening the stirring device 15 and the screw conveyor 20 to convey the powder, and continuously injecting the powder into the packaging bag 42, and continuously lifting the discharging head 310 by the traction device 33, so as to ensure that the height of the discharging head 310 is gradually increased along with the injection of the materials in the packaging bag 42.

And fourthly, when the set weight is close to, the speed of the screw conveyor 20 is reduced, and the powder in the packaging bag 42 is supplemented until the set weight is met.

And step five, stopping the screw conveyor 20, and pumping the redundant gas in the discharge barrel 30 and the packaging bag 42 out of the pumping hole 321 by the vacuum-pumping machine to enter the bag-type dust collector 60.

And sixthly, loosening the bag clamping device 50 and transferring and sealing the packaging bag 42.

The packaging machine can effectively degas powder, has high packaging and transmission precision and can improve the packaging precision of equipment.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. The utility model provides a packaging machine, including the feed bin and with the screw conveyer that the feed bin bottom links to each other, its characterized in that, be provided with the powder import on the feed bin lateral wall, the feed bin bottom is provided with the powder export, still be provided with the air inlet on the feed bin, the upper portion and the lower part of feed bin lateral wall respectively are provided with an gas vent, be connected with in the powder export screw conveyer's feed end, still be provided with agitating unit in the powder export, agitating unit with the screw conveyer transmission is connected.

2. The packaging machine according to claim 1, wherein the stirring device comprises a stirring shaft, the stirring shaft is rotatably installed at the bottom of the storage bin, one end of the stirring shaft extends out of the storage bin and is provided with a first conical tooth, a second conical tooth is installed on a rotating shaft of the screw conveyor, the first conical tooth is meshed with the second conical tooth, and a stirring blade is arranged on the stirring shaft.

3. The packaging machine according to claim 1, wherein a discharge barrel is fixed on the discharge end of the screw conveyor, an air suction opening is arranged in the discharge barrel, a bag clamping device is arranged on the discharge barrel, a support platform is arranged right below the discharge barrel, and a platform scale is arranged on the support platform.

4. The packaging machine according to claim 3, wherein the discharging barrel comprises a discharging barrel inner layer and a discharging barrel outer layer which are sleeved with each other, the discharging barrel inner layer is communicated with the inside of the screw conveyor, the discharging barrel outer layer is fixed on the outside of the screw conveyor, the discharging barrel inner layer is an elastic pipe, one end of the elastic pipe is connected to the discharging end of the screw conveyor, the other end of the elastic pipe is fixed with a discharging head, a drawing hole is formed in the discharging barrel outer layer, a drawing device is arranged in the drawing hole and connected with the discharging head, and the air suction opening is located in the discharging barrel outer layer.

5. The packaging machine as claimed in claim 4, wherein the bag clamping device comprises two arc-shaped bag clamping blocks which are oppositely arranged, the packaging bag is arranged between the bag clamping blocks and the outer layer of the discharging barrel, and both the bag clamping blocks are connected with an air cylinder.

6. A packaging machine according to claim 3 wherein the exhaust port and the suction port are provided with filter screens.

7. The packaging machine of claim 6 wherein a bag-type dust collector is connected to each of the exhaust port and the suction port.

8. A packaging machine according to claim 1, characterized in that the top of the silo is provided with a pressure sensor.

9. A packaging machine according to claim 3, wherein the support table is a liftable support table.