Powder metering and nitrogen charging module of strip packaging machine and multi-column strip packaging machine applying same

Abstract

The utility model discloses a powder metering and nitrogen filling module of a strip-packaging machine and a multi-row strip-packaging machine using the same, which comprises a nitrogen supply pipe, an inflation pipe, an air inlet pipe, an air delivery pipe, a mounting plate, a buffer stock bin, a metering stock bin and a plurality of forming outer pipes, and is characterized in that the mounting plate is arranged on a rack, and stock bin regulating valves are respectively arranged at two ends of the mounting plate; a plurality of material pipe adjusting valves which are vertically distributed at intervals are arranged between the two material bin adjusting valves, a gas supply connector and a switch valve are arranged on the nitrogen supply pipe, the gas supply connector is connected with an external nitrogen source, the nitrogen supply pipe is communicated with the material bin adjusting valves and the material pipe adjusting valves, and the buffering material bin is communicated with the material bin adjusting valves through gas filling pipes. The metering stock bin is communicated with the stock bin adjusting valve through an air inlet pipe, each forming outer pipe is communicated with one material pipe adjusting valve through one air conveying pipe, and the buffering stock bin and the metering stock bin are distributed on the machine frame in an up-down mode and communicated with each other. The nitrogen charging device is good in nitrogen charging effect and high in production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to a powder metering and nitrogen filling module for a strip packing machine and a multi-row strip packing machine using the module. Background Art

[0002] The stick bag machine is a packaging machine used to produce stick-shaped packaging products. During the entire packaging process, nitrogen filling is required to extend the shelf life of the materials in the stick bag and prevent the materials from spoiling. In the prior art, nitrogen filling is performed after the materials are filled into the stick bag. Nitrogen filling and material unloading cannot be performed at the same time, resulting in low production efficiency and poor nitrogen filling effect. Utility Model Content

[0003] The utility model aims to overcome the disadvantages of the prior art and provide a powder metering nitrogen filling module for a strip bag machine with good nitrogen filling effect and high production efficiency and a multi-row strip bag machine using the module.

[0004] The utility model is realized through the following technical scheme: a powder metering nitrogen charging module for a strip packing machine, comprising a nitrogen supply pipe, an air charging pipe, an air intake pipe, an air delivery pipe, a mounting plate, a buffer silo, a metering silo, and a plurality of formed outer pipes, wherein the mounting plate is arranged on a frame, and silo regulating valves are respectively arranged at both ends of the mounting plate, and a plurality of pipe regulating valves vertically spaced and distributed are arranged between two silo regulating valves, an air supply interface and a switch valve are arranged on the nitrogen supply pipe, the air supply interface is connected to an external nitrogen source, the nitrogen supply pipe is communicated with the silo regulating valve and the pipe regulating valve respectively, the buffer silo is communicated with the silo regulating valve through the air charging pipe, the metering silo is communicated with the silo regulating valve through the air intake pipe, each of the formed outer pipes is communicated with one of the air delivery pipes and one of the pipe regulating valves, and the buffer silo and the metering silo are distributed up and down on the frame and are communicated with each other.

[0005] Furthermore: there are ten material pipe regulating valves in total, and the number of the formed outer tubes is the same as the number of the material pipe regulating valves.

[0006] Furthermore: the port of the buffer silo is provided with a sealing cover, the sealing cover is provided with an inflation port, the inflation pipe is connected with the buffer silo through the inflation port, and a first sealing strip is provided at the joint between the port of the buffer silo and the sealing cover.

[0007] Furthermore: an air inlet is provided on the side wall of the metering silo, and the air inlet pipe is connected with the metering silo through the air inlet.

[0008] Furthermore: a discharge sleeve is provided at the outlet of the metering silo, and a second sealing strip is provided at the connection between the outlet of the metering silo and the discharge sleeve, and the discharge sleeve is connected to a screw sleeve.

[0009] Further: each of the molded outer tubes is arranged on a shaking plate through a lower buffer silicone sealing sleeve, a shaking cylinder is arranged on the shaking plate, a feeding inner tube is arranged in the molded outer tube, each of the lower buffer silicone sealing sleeves is connected to an upper buffer silicone sealing sleeve through a feeding sleeve, the upper buffer silicone sealing sleeve is arranged on the frame, and the feeding inner tube is connected to the feeding sleeve, and the screw sleeve extends into the upper buffer silicone sealing sleeve.

[0010] Furthermore, the middle section of the upper buffer silicone sealing sleeve and the middle section of the lower buffer silicone sealing sleeve are respectively spherical structures.

[0011] Furthermore: each of the molded outer tubes is connected to a dust suction branch pipe, the dust suction branch pipe is connected to a dust suction main pipe, and the dust suction main pipe is connected to a dust removal fan.

[0012] Furthermore: the front panel and the rear panel of the metering silo are transparent panels respectively, and the front panel and the rear panel are detachably connected to the silo body of the metering silo respectively.

[0013] A multi-column bar bagging machine using the bar bagging machine powder metering and nitrogen filling module described above.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model connects the buffer bin and the nitrogen supply pipe through the charging pipe, connects the metering bin and the nitrogen supply pipe through the air intake pipe, connects the forming outer pipe and the nitrogen supply pipe through the air delivery pipe, nitrogen is charged into the buffer bin through the nitrogen supply pipe and then through the charging pipe, nitrogen is charged into the metering bin through the nitrogen pipe and then through the air intake pipe, nitrogen enters the forming outer pipe through the nitrogen supply pipe and then through the air delivery pipe, thereby achieving nitrogen charging in the loading process, the metering process and the unloading process, and nitrogen charging before and when the material is filled into the strip bag, which can more fully reduce the air content in the strip bag, improve the nitrogen charging effect and improve the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 It is a front view of the utility model;

[0019] Figure 4 It is a right side view of the utility model;

[0020] Figure 5 It is a left view of the utility model;

[0021] Figure 6 for Figure 3 Section view at AA.

[0022] Explanation of the reference numerals: 1-nitrogen supply pipe, 2-inflating pipe, 3-inlet pipe, 4-air delivery pipe, 5-mounting plate, 6-buffer silo, 7-metering silo, 8-molding outer pipe, 9-frame, 10-silo regulating valve, 11-pipe regulating valve, 12-air supply interface, 13-switch valve, 14-sealing cover, 15-inflating port, 16-first sealing strip, 17-inlet port, 18-discharging sleeve, 19-second Sealing strip, 20-screw sleeve, 21-lower buffer silicone sealing sleeve, 22-shaking plate, 23-shaking cylinder, 24-unloading inner tube, 25-unloading sleeve, 26-upper buffer silicone sealing sleeve, 27-dust suction branch pipe, 28-dust suction main pipe, 29-dust removal fan, 30-front panel, 31-rear panel, 32-metering screw, 33-horizontal stirring rod, 34-horizontal stirring motor, 35-vacuum feeder. DETAILED DESCRIPTION

[0023] Figures 1 to 6 The present invention provides a schematic structural diagram of an embodiment of a powder metering nitrogen charging module for a strip packing machine, comprising a nitrogen supply pipe 1, an air charging pipe 2, an air intake pipe 3, an air delivery pipe 4, a mounting plate 5, a buffer silo 6, a metering silo 7, and a plurality of formed outer tubes 8. The mounting plate 5 is arranged on a frame 9. Both ends of the mounting plate 5 are provided with silo regulating valves 10, respectively. A plurality of pipe regulating valves 11 vertically spaced are arranged between two silo regulating valves 10. The nitrogen supply pipe 1 is provided with an air supply interface 12 and a switch valve 13. The air supply interface 12 is connected to an external nitrogen source. The nitrogen supply pipe 1 is communicated with the silo regulating valve 10 and the pipe regulating valve 11, respectively. The buffer silo 6 is communicated with the silo regulating valve 10 through the air charging pipe 2. The metering silo 7 is communicated with the silo regulating valve 10 through the air intake pipe 3. Each formed outer tube 8 is communicated with an air delivery pipe 4 and a pipe regulating valve 11. The buffer silo 6 and the metering silo 7 are distributed up and down on the frame 9 and are communicated with each other.

[0024] There are ten material pipe regulating valves 11 in total, and the number of the molding outer tubes 8 is the same as the number of the material pipe regulating valves 11 .

[0025] The opening of the buffer silo 6 is provided with a sealing cover 14 , and the sealing cover 14 is provided with an inflation port 15 . The inflation pipe 2 is connected to the buffer silo 6 through the inflation port 15 , and a first sealing strip 16 is provided at the joint between the opening of the buffer silo 6 and the sealing cover 14 .

[0026] The first sealing strip 16 can improve the sealing performance of the buffer silo 6 .

[0027] An air inlet 17 is provided on the side wall of the metering silo 7 , and the air inlet pipe 3 is connected to the metering silo 7 through the air inlet 17 .

[0028] A discharge sleeve 18 is provided at the outlet of the metering silo 7 , and a second sealing strip 19 is provided at the connection between the outlet of the metering silo 7 and the discharge sleeve 18 . The discharge sleeve 18 is connected to a screw sleeve 20 .

[0029] The second sealing strip 19 can improve the sealing performance of the connection between the metering silo 7 and the discharge sleeve 18 , thereby improving the nitrogen filling effect of the metering silo 7 .

[0030] Each molded outer tube 8 is arranged on a shaking plate 22 through a lower buffer silicone sealing sleeve 21, and a shaking cylinder 23 is arranged on the shaking plate 22. A feeding inner tube 24 is arranged in the molded outer tube 8. Each lower buffer silicone sealing sleeve 21 is connected to an upper buffer silicone sealing sleeve 26 through a feeding sleeve 25. The upper buffer silicone sealing sleeve 26 is arranged on the frame 9, and the feeding inner tube 24 is connected to the feeding sleeve 25, and the screw sleeve 20 extends into the upper buffer silicone sealing sleeve 26.

[0031] The middle section of the upper buffer silicone sealing sleeve 26 and the middle section of the lower buffer silicone sealing sleeve 21 are respectively spherical structures.

[0032] When the shaking cylinder 23 drives the shaking plate 22 to shake, the upper buffer silicone sealing sleeve 26 and the lower buffer silicone sealing sleeve 21 can play a buffering role, and the upper buffer silicone sealing sleeve 26 and the lower buffer silicone sealing sleeve 21 can make the connection between the screw sleeve 20, the blanking sleeve 25, the blanking inner tube 24, and the molding outer tube 8 in a sealed state, thereby improving the airtightness of the connection.

[0033] Each molded outer tube 8 is connected to a dust suction branch pipe 27 , and the dust suction branch pipe 27 is connected to a dust suction main pipe 28 , and the dust suction main pipe 28 is connected to a dust removal fan 29 .

[0034] Since powdered materials contain dust, an outer tube 8 is formed on the outer periphery of the inner tube 24 for discharging materials, so that the dust suction branch pipe 27 is connected to the gap between the inner tube 24 for discharging materials and the outer tube 8 for forming materials. Under the action of the dust removal fan 29, the dust is sucked out through the dust suction branch pipe 27 and then through the dust suction main pipe 28.

[0035] The front panel 30 and the rear panel 31 of the metering silo 7 are transparent plates, and the front panel 30 and the rear panel 31 are detachably connected to the silo body of the metering silo 7 .

[0036] The metering silo 7 contains a longitudinally distributed metering screw 32 and a horizontally distributed transverse stirring rod 33. The lower end of the metering screw 32 extends into the screw sleeve 20, and the upper end of the metering screw 32 passes through the metering silo 7 and is connected to the metering drive mechanism and the stirring drive structure. The outer end of the transverse stirring rod 33 passes through the side wall of the metering silo 7 and is connected to a transverse stirring motor 34. The top of the buffer silo 6 is connected to a vacuum loader 35.

[0037] By detachably connecting the front panel 30 and the rear panel 31 to the body of the metering silo 7 , it is convenient to disassemble the front panel 30 and the rear panel 31 , and to clean and inspect components such as the metering screw 32 in the metering silo 7 .

[0038] During operation, the external nitrogen source is transported to the nitrogen supply pipe 1 through the gas supply interface 12, and then the nitrogen is filled into the buffer silo 6 through the filling pipe 2, the nitrogen is filled into the metering silo 7 through the air inlet pipe 3, and the nitrogen is filled into the forming outer tube 8 through the air delivery pipe 4, so that the buffer silo 6, the metering silo 7 and the forming outer tube 8 are all filled with nitrogen.

[0039] A multi-column bar bagging machine using the bar bagging machine powder metering and nitrogen filling module described above.

[0040] The above detailed description is a specific description of a feasible embodiment of the utility model. The embodiment is not intended to limit the patent scope of the utility model. Any equivalent implementation or modification that does not deviate from the utility model should be included in the patent scope of this case.

Claims

1. Powder metering nitrogen filling module for strip packing machine, characterized by: It includes a nitrogen supply pipe, an air charging pipe, an air intake pipe, an air delivery pipe, a mounting plate, a buffer silo, a metering silo, and multiple formed outer pipes. The mounting plate is arranged on a frame. Both ends of the mounting plate are respectively provided with silo regulating valves. Multiple pipe regulating valves vertically spaced are arranged between two silo regulating valves. The nitrogen supply pipe is provided with an air supply interface and a switch valve. The air supply interface is connected to an external nitrogen source. The nitrogen supply pipe is communicated with the silo regulating valve and the pipe regulating valve respectively. The buffer silo is communicated with the silo regulating valve through the air charging pipe. The metering silo is communicated with the silo regulating valve through the air intake pipe. Each of the formed outer pipes is communicated with one of the air delivery pipes and one of the pipe regulating valves. The buffer silo and the metering silo are distributed up and down on the frame and are communicated with each other.

2. The powder metering nitrogen filling module for a stick packing machine according to claim 1, characterized in that: There are ten material pipe regulating valves in total, and the number of the formed outer tubes is the same as the number of the material pipe regulating valves.

3. The powder metering and nitrogen filling module for a stick packing machine according to claim 2, characterized in that: The port of the buffer silo is provided with a sealing cover, the sealing cover is provided with an inflation port, the inflation pipe is connected with the buffer silo through the inflation port, and a first sealing strip is provided at the joint between the port of the buffer silo and the sealing cover.

4. The powder metering nitrogen filling module for a stick packing machine according to claim 3, characterized in that: The side wall of the metering silo is provided with an air inlet, and the air inlet pipe is communicated with the metering silo through the air inlet.

5. The powder metering and nitrogen filling module for a strip packing machine according to claim 4, characterized in that: A discharge sleeve is arranged at the outlet of the metering silo, and a second sealing strip is arranged at the connection between the outlet of the metering silo and the discharge sleeve, and the discharge sleeve is connected with a screw sleeve.

6. The powder metering and nitrogen filling module for a stick packing machine according to claim 5, characterized in that: Each of the molded outer tubes is arranged on a shaking plate through a lower buffer silicone sealing sleeve, a shaking cylinder is arranged on the shaking plate, a feeding inner tube is arranged in the molded outer tube, each of the lower buffer silicone sealing sleeves is connected to an upper buffer silicone sealing sleeve through a feeding sleeve, the upper buffer silicone sealing sleeve is arranged on the frame, and the feeding inner tube is connected to the feeding sleeve, and the screw sleeve extends into the upper buffer silicone sealing sleeve.

7. The powder metering nitrogen filling module for a stick packing machine according to claim 6, characterized in that: The middle section of the upper buffer silicone sealing sleeve and the middle section of the lower buffer silicone sealing sleeve are respectively in a spherical structure.

8. The powder metering and nitrogen filling module for a stick packing machine according to claim 7, characterized in that: Each of the molded outer tubes is connected to a dust suction branch pipe, the dust suction branch pipe is connected to a dust suction main pipe, and the dust suction main pipe is connected to a dust removal fan.

9. The powder metering and nitrogen filling module for a stick packing machine according to claim 8, characterized in that: The front panel and the rear panel of the metering silo are transparent panels respectively, and the front panel and the rear panel are detachably connected to the silo body of the metering silo respectively. 10.Multiple-row charter machine, characterized by: The invention comprises a powder metering and nitrogen filling module for a strip packing machine as described in any one of claims 1 to 9.

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