Nitrogen inflation structure of big bag packaging machine

Abstract

The utility model relates to the technical field of nitrogen inflation, in particular to a nitrogen inflation structure of a big bag packaging machine, which comprises a nitrogen inflation pipe, the tail of the nitrogen inflation pipe is fixedly connected with a connecting pipe, the upper part of the end part of the nitrogen inflation pipe is fixedly connected with a clamping plate, the lower part of the end part of the nitrogen inflation pipe is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the connecting pipe. And the other clamping plate is fixedly connected to the end of the rotating rod, a heat sealing groove is formed in the middle of each clamping plate, and a heat sealing device is slidably connected to the outer side of each heat sealing groove. The nitrogen filling device has the advantages that during nitrogen filling, an opening of a packaging bag is clamped and sealed by the clamping plate, air leakage caused by incomplete sealing in the nitrogen filling process is avoided, the telescopic pipe controlled by the electric push rod to stretch out and draw back is arranged in the nitrogen filling pipe, and the opening of the packaging bag is sealed after being clamped by the clamping plate, so that the nitrogen filling device is convenient to use. And if not, the telescopic rod extends and extends into the packaging bag to carry out air extraction and nitrogen filling, so that the nitrogen filling process is sealed quickly and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen gas inflation technical field, especially a nitrogen gas inflation structure of big bag packaging machine. BACKGROUND

[0002] Nitrogen gas inflation machine is an important component in modern packaging technology, it mainly utilizes nitrogen gas as filling gas, provides stable, safe packaging environment for product, needs to seal the packaging bag opening in the inflation process, therefore needs a nitrogen gas inflation structure that can inflate and seal quickly.

[0003] In the China patent CN201620742805.8 disclosed a kind of box type nitrogen filling packaging machine, the box type nitrogen filling packaging machine is sealed before heat sealing to food packaging bag opening, first, the air in food packaging bag is extracted, so that food packaging bag is in close to vacuum state, then nitrogen gas is filled in food packaging bag, since nitrogen gas is inert gas, can effectively inhibit the activity of aerobic bacteria and microorganism, but the inflation pipe of the box type nitrogen filling packaging machine is connected with packaging bag, need to manually squeeze the packaging bag opening to the size of inflation pipe, it is inconvenient to operate, and nitrogen gas is prone to leakage in filling process. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of prior art, provide a kind of nitrogen gas inflation structure of big bag packaging machine, effectively solve the deficiency of prior art.

[0005] The utility model discloses the purpose is realized by the following technical scheme: a kind of nitrogen gas inflation structure of big bag packaging machine, including nitrogen gas inflation pipe, the tail of the nitrogen gas inflation pipe is fixedly connected with the connecting pipe, the upper of nitrogen gas inflation pipe end is fixedly connected with clamping plate, the lower of nitrogen gas inflation pipe end is rotatably connected with rotating rod, the end of the rotating rod is fixedly connected with another clamping plate, the middle of the clamping plate is all set with heat sealing groove, the outer side of heat sealing groove is all slidably connected with heat sealing device.

[0006] Optionally, the length of the clamping plate is greater than the opening width of the inflated packaging bag, and the nitrogen gas inflation pipe is communicated with the nitrogen gas inflation machine through the connecting pipe.

[0007] The above technical scheme is adopted: by the clamping plate that the end of nitrogen gas inflation pipe is provided with relatively rotates, when nitrogen gas is inflated, the opening of packaging bag is sealed by clamping plate first, avoid the situation that gas leaks due to not completely sealed in inflation process.

[0008] Optionally, the middle part of the clamping plate is in a circular arc shape, the nitrogen inflation pipe is internally connected with a telescopic pipe in a sliding mode, the outer wall of the telescopic pipe is adapted to the circular arc of the middle part of the clamping plate, and the top and bottom of the inner wall of the nitrogen inflation pipe are fixedly connected with electric push rods, and the output ends of the electric push rods are fixedly connected with the telescopic pipe.

[0009] The above technical scheme has the following advantages: the telescopic pipe is controlled by the electric push rod arranged in the nitrogen inflation pipe, the telescopic rod is extended into the packaging bag after the clamping plate seals the opening of the packaging bag, air is extracted and nitrogen is filled, and the sealing of the nitrogen inflation process is more convenient and fast.

[0010] Optionally, the two sides of the heat sealing groove are fixedly connected with electric sliding rails, the heat sealing device is connected between the electric sliding rails in a sliding mode, and the width of the heat sealing end of the heat sealing device is smaller than the width of the heat sealing groove.

[0011] The above technical scheme has the following advantages: the heat sealing device is arranged on the outer side of the clamping plate, the heat sealing device is lowered into the heat sealing groove after the telescopic rod is retracted and reset after the nitrogen filling of the packaging bag is completed, the opening of the packaging bag is heat sealed, the packaging bag filled with nitrogen is directly heat sealed, nitrogen leakage during sealing is avoided, and the efficiency of nitrogen filling and sealing is improved.

[0012] Optionally, the top of the nitrogen inflation pipe is fixedly connected with two control buttons, and the two control buttons are electrically connected with the electric push rods and the heat sealing device respectively.

[0013] The above technical scheme has the following advantages: the control buttons are arranged on the nitrogen inflation pipe, the telescopic pipe is controlled and the heat sealing device is controlled by the two control buttons when an operator holds the nitrogen inflation pipe to inflate nitrogen, the sealing and heat sealing operations during the inflation process of the device are more convenient and efficient.

[0014] The present application has the following advantages:

[0015] 1. The nitrogen inflation structure of the big-bag packaging machine, the end of the nitrogen inflation pipe is provided with a clamping plate capable of rotating relative to each other, the opening of the packaging bag is clamped and sealed by the clamping plate during nitrogen inflation, air leakage during the inflation process is avoided, the telescopic pipe is controlled by the electric push rod arranged in the nitrogen inflation pipe, the telescopic rod is extended into the packaging bag after the clamping plate seals the opening of the packaging bag, air is extracted and nitrogen is filled, and the sealing of the nitrogen inflation process is more convenient and fast.

[0016] 2. The nitrogen filling structure of the large bag packaging machine is equipped with a liftable heat-sealing device on the outer side of the clamping plate. After the nitrogen filling of the packaging bag is completed, the telescopic rod shrinks and resets, causing the heat-sealing device to descend along the electric slide rail into the heat-sealing groove to heat-seal the opening of the packaging bag. The packaging bag after nitrogen filling is directly heat-sealed, avoiding nitrogen leakage during sealing after nitrogen filling and improving the efficiency of nitrogen filling and sealing.

[0017] 3. The nitrogen inflation structure of the big bag packaging machine is equipped with a control button on the nitrogen inflation tube. When the operator holds the nitrogen inflation tube to inflate with nitrogen, the two control buttons can control the expansion and contraction of the telescopic tube and the heat sealing of the heat sealing device, making the sealing and heat sealing operations during the inflation process of the device more convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure at B in the middle;

[0021] Figure 4 It is a schematic diagram of the side sectional structure of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0023] Figure 6 This is a schematic diagram of the structure of the utility model in the open state;

[0024] Figure 7 For this utility model Figure 6 Schematic diagram of the enlarged structure at point D in the middle.

[0025] In the figure: 1-nitrogen inflation tube, 2-connecting tube, 3-clamping plate, 4-rotating rod, 5-heat sealing groove, 6-heat sealing device, 7-telescopic tube, 8-electric push rod, 9-electric slide rail, 10-control button. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] As Figures 1 to 7 Nitrogen inflation structure of big bag packaging machine, it includes nitrogen inflation pipe 1, the tail of nitrogen inflation pipe 1 is fixedly connected with the connecting pipe 2, the upper of nitrogen inflation pipe 1 end is fixedly connected with the clamping plate 3, the lower of nitrogen inflation pipe 1 end is rotatably connected with the rotating rod 4, the end of rotating rod 4 is fixedly connected with another clamping plate 3, the middle of clamping plate 3 is all equipped with heat sealing groove 5, the outside of heat sealing groove 5 is all slidably connected with heat sealing device 6.

[0028] Example 1: the length of clamping plate 3 is greater than the opening width of the inflated packaging bag, nitrogen inflation pipe 1 is communicated with nitrogen inflator through connecting pipe 2, by setting relatively rotating clamping plate 3 at the end of nitrogen inflation pipe 1, the opening of packaging bag is clamped and sealed by clamping plate during nitrogen inflation, avoid the situation of air leakage caused by incomplete sealing during inflation process.

[0029] Example 2: the middle of clamping plate 3 is arc-shaped, the inside of nitrogen inflation pipe 1 is slidably connected with telescopic pipe 7, the arc degree of the outer wall of telescopic pipe 7 is matched with the arc degree of the middle of clamping plate 3, the top and bottom of the inner wall of nitrogen inflation pipe 1 are fixedly connected with electric push rod 8, the output end of electric push rod 8 is fixedly connected with telescopic pipe 7, by setting electric push rod 8 to control telescopic telescopic pipe 7 in the inside of nitrogen inflation pipe 1, after clamping and sealing the opening of packaging bag by clamping plate 3, then make telescopic rod 7 extend into packaging bag, carry out air extraction and nitrogen filling, make the sealing of nitrogen inflation process more fast and convenient.

[0030] Example 3: the two sides of heat sealing groove 5 are fixedly connected with electric slide rail 9, heat sealing device 6 is slidably connected between electric slide rail 9, the heat sealing end width of heat sealing device 6 is less than the width of heat sealing groove 5, by setting liftable heat sealing device 6 on the outside of clamping plate 3, after completing nitrogen filling of packaging bag, telescopic rod 7 is retracted, then make heat sealing device 6 descend into heat sealing groove 5 along electric slide rail 9, heat seal the opening of packaging bag, make the packaging bag after nitrogen inflation directly heat sealed, avoid nitrogen leakage when sealing after nitrogen filling, and improve the efficiency of nitrogen filling and sealing.

[0031] Example 4: the top of nitrogen inflation pipe 1 is fixedly connected with two control buttons 10, two control buttons 10 are electrically connected with electric push rod 8 and heat sealing device 6 respectively, by setting control button 10 on nitrogen inflation pipe 1, the telescoping of telescopic pipe 7 and the heat sealing of heat sealing device 6 can be controlled by two control buttons 10 when operator holds nitrogen inflation pipe 1 to carry out nitrogen inflation, make the sealing and heat sealing operation in the inflation process of the device more convenient and efficient.

[0032] The working principle of the utility model is as follows:

[0033] S1, relative rotating clamping plates 3 are arranged at the end of the nitrogen filling pipe 1, and the opening of the packaging bag is clamped and sealed by the clamping plates during nitrogen filling, so that the situation that air leaks due to incomplete sealing during the filling process is avoided;

[0034] S2, an electric push rod 8 is arranged inside the nitrogen filling pipe 1 to control the telescopic rod 7, after the clamping plate 3 completes clamping and sealing of the opening of the packaging bag, the telescopic rod 7 is extended into the packaging bag to perform air extraction and nitrogen filling, so that the sealing during the nitrogen filling process is more convenient and fast.

[0035] Compared with the prior art, the utility model has the following beneficial effects:

[0036] 1. The nitrogen filling structure of the big bag packaging machine, by arranging relative rotating clamping plates 3 at the end of the nitrogen filling pipe 1, the opening of the packaging bag is clamped and sealed by the clamping plates during nitrogen filling, so that the situation that air leaks due to incomplete sealing during the filling process is avoided, by arranging an electric push rod 8 inside the nitrogen filling pipe 1 to control the telescopic rod 7, after the clamping plate 3 completes clamping and sealing of the opening of the packaging bag, the telescopic rod 7 is extended into the packaging bag to perform air extraction and nitrogen filling, so that the sealing during the nitrogen filling process is more convenient and fast.

[0037] 2. The nitrogen filling structure of the big bag packaging machine, by arranging a heat sealing device 6 that can be lifted and lowered outside the clamping plate 3, after completing nitrogen filling of the packaging bag, the telescopic rod 7 is retracted to reset, so that the heat sealing device 6 is lowered into the heat sealing groove 5 along the electric sliding rail 9 to heat seal the opening of the packaging bag, so that the packaging bag after nitrogen filling is directly heat sealed, avoiding nitrogen leakage during sealing after nitrogen filling, and improving the efficiency of nitrogen filling and sealing.

[0038] 3. The nitrogen filling structure of the big bag packaging machine, by arranging control buttons 10 on the nitrogen filling pipe 1, the operator can control the extension and retraction of the telescopic rod 7 and the heat sealing of the heat sealing device 6 when holding the nitrogen filling pipe 1 to fill nitrogen, so that the sealing and heat sealing operation during the filling process of the device is more convenient and efficient.

Claims

1. A nitrogen gas inflation structure of a big bag packaging machine, characterized by: Including nitrogen inflation pipe (1), the tail of nitrogen inflation pipe (1) is fixedly connected with the connecting pipe (2), the upper of nitrogen inflation pipe (1) end is fixedly connected with the clamping plate (3), the lower of nitrogen inflation pipe (1) end is rotatably connected with the rotating rod (4), the end of rotating rod (4) is fixedly connected with another clamping plate (3), the middle of clamping plate (3) is all provided with heat sealing groove (5), the outside of heat sealing groove (5) is all slidably connected with heat sealing device (6).

2. A nitrogen inflation structure for a form, fill and seal bag packaging machine as defined in claim 1, wherein: The length of clamping plate (3) is greater than the opening width of the bag to be inflated, and nitrogen inflation pipe (1) is communicated with nitrogen inflator through connecting pipe (2).

3. A nitrogen inflation structure for a form, fill and seal bag packaging machine as defined in claim 2, wherein: The middle of clamping plate (3) is arc-shaped, the inside of nitrogen inflation pipe (1) is slidably connected with telescopic pipe (7), the outer wall arc of telescopic pipe (7) is matched with the arc of the middle of clamping plate (3), the top and bottom of the inner wall of nitrogen inflation pipe (1) are fixedly connected with electric push rod (8), and the output end of electric push rod (8) is fixedly connected with telescopic pipe (7).

4. A nitrogen inflation structure for a form, fill and seal bag packaging machine as defined in claim 3, wherein: Both sides of heat sealing groove (5) are fixedly connected with electric slide rail (9), heat sealing device (6) is slidably connected between electric slide rail (9), and the heat sealing end width of heat sealing device (6) is less than the width of heat sealing groove (5).

5. A nitrogen inflation structure for a form, fill and seal bag packaging machine as defined in claim 4, wherein: The top of nitrogen inflation pipe (1) is fixedly connected with two control buttons (10), and the two control buttons (10) are electrically connected with electric push rod (8) and heat sealing device (6) respectively.

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