A material degassing backflush device for packaging machine

Abstract

The utility model relates to the technical field of packaging machinery, and in particular to a material degassing back-blowing device for a packaging machine, comprising a lifting mechanism, a degassing flow guide pipe, a fixing frame, a degassing rod, and a flow guide tee pipe mounted on the fixing frame, wherein one end of the flow guide tee pipe is connected to the degassing flow guide pipe, one end is connected in sequence with a one-way valve and a gas storage tank, and the other end is connected in sequence with a butterfly valve and a gas extraction mechanism. The device can effectively solve the problem that the degassing rod is easily blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a material degassing and back-blowing device for packaging machines. Background Art

[0002] In the existing powder material packaging work, there are often situations where there is too much residual air in the packaging bag, the material is loose, and it is easy to be difficult to seal due to air bulging, or after the bag is sealed, it is easy to cause the stacking to fall over or the bag to break during transportation.

[0003] In the prior art, a Chinese utility model patent document with publication number CN218368382U and publication date January 24, 2023 is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A material degassing device before sealing a standing packaging bag filled with material, comprising: a column; a base, slidably sleeved on the column; a degassing rod, located on the front side of the base and fixedly set on the base; a degassing guide pipe, located on the rear side of the base and fixedly set on the base, and the air outlet of the degassing guide pipe is detachably connected to the air inlet of the degassing rod; a vibrating conveyor, located directly below the degassing rod.

[0004] The above technical solution may have the following problems during actual use: the degassing rod is easily clogged during the production process, resulting in poor degassing effect. Summary of the invention

[0005] In order to solve the above technical problems, the utility model proposes a material degassing back-blowing device for a packaging machine, which can effectively solve the problem that the degassing rod is easily blocked.

[0006] The utility model is realized by adopting the following technical solutions:

[0007] A material degassing and back-blowing device for a packaging machine comprises a lifting mechanism, a degassing guide pipe, a fixing frame and a degassing rod; it also comprises a guide tee pipe assembled on the fixing frame, one end of the guide tee pipe is connected to the degassing guide pipe, one end is connected in sequence with a one-way valve and a gas storage tank, and the other end is connected in sequence with a butterfly valve and a suction mechanism.

[0008] It also includes a column and a lifting pulley matched with the column, and the lifting pulley is assembled on the fixing frame.

[0009] The number of the columns is two, and the number of the lifting pulleys is at least two.

[0010] It also includes a limit plate, on which a buffer matching the fixing frame is disposed.

[0011] The lifting mechanism comprises a lifting servo motor and a synchronous belt transmission assembly; the synchronous belt of the synchronous belt transmission assembly is connected to a fixing frame.

[0012] The fixing frame is also provided with an anti-jumping device which abuts against the synchronous belt.

[0013] The anti-jumping device comprises a support arm and an anti-jumping wheel, one end of the support arm is connected to the fixing frame, and the other end is connected to the anti-jumping wheel, and the anti-jumping wheel abuts against the synchronous belt.

[0014] The anti-jumping device is provided with two groups, which are respectively located at the upper and lower sides of the fixing frame.

[0015] The degassing flow guide pipe is connected to the fixing frame through a mounting bracket.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. In the utility model, the one-way valve and the gas storage tank are provided to back-blow the degassing rod to remove dust, so as to avoid frequent blockage of the degassing rod and poor degassing effect. In addition, the utility model has a simple structure and can avoid reverse flow of airflow through the one-way valve.

[0018] 2. In the utility model, when the lifting mechanism drives the device to move up and down, a good guiding effect can be achieved through the cooperation between the lifting pulley and the column.

[0019] 3. The number of the columns is two, and the number of the lifting pulleys is at least two. While achieving the guiding function, the even arrangement of the lifting pulleys can also improve the stability of the connection between the fixed frame and the components on the fixed frame, thereby improving the stability of the operation of the device.

[0020] 4. The setting of the limit plate and the buffer can limit the maximum descending distance of the device and also slow down the descending speed of the device.

[0021] 5. The setting of the anti-jump device can prevent the synchronous belt from jumping when running at high speed, thereby improving the operating stability of the device.

[0022] 6. The anti-jumping devices are located on the upper and lower sides of the fixed frame, and the anti-jumping effect is better.

[0023] 7. The degassing guide tube is connected to the fixing frame through a mounting bracket, so as to better arrange the positions of the degassing guide tube and the degassing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementations, wherein:

[0025] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 2 It is a schematic diagram of the enlarged structure of area A in the utility model;

[0027] Figure 3 The structure of the utility model is shown in FIG. Figure 2 ;

[0028] Markings in the figure:

[0029] 1. Degassing guide tube, 2. Fixed frame, 3. Degassing rod, 4. Guide tee pipe, 5. Mounting bracket, 6. Gas storage tank, 7. Butterfly valve, 8. Column, 9. Lifting pulley, 10. Limit plate, 11. Buffer, 12. Lifting servo motor, 13. Synchronous belt, 14. Anti-jump wheel, 15. Support arm. DETAILED DESCRIPTION

[0030] Example 1

[0031] As a basic embodiment of the utility model, the utility model includes a material degassing backblowing device for a packaging machine, including a lifting mechanism, a fixed frame 2, and a degassing guide pipe 1, a degassing rod 3 and a guide tee 4 mounted on the fixed frame 2. One end of the guide tee 4 is connected to the degassing guide pipe 1, one end is connected in sequence with a one-way valve and a gas storage tank 6, and the other end is connected in sequence with a butterfly valve 7 and a vacuum mechanism. The other end of the degassing guide pipe 1 is connected to the degassing rod 3. The lifting mechanism can adopt conventional linear drive components in the field, such as cylinders, ball screw transmission components, synchronous belt transmission components, etc. The lifting mechanism is connected to the fixed frame 2, driving the fixed frame 2 and the degassing rod 3 on the fixed frame 2 to rise and fall, and then driving the degassing rod 3 to insert or withdraw from the packaging bag. The vacuum mechanism can adopt conventional structures in the field, such as a vacuum pump.

[0032] When degassing is required, the lifting mechanism drives the degassing rod 3 to be inserted into the packaging bag, and the exhaust mechanism generates negative pressure to extract the gas in the packaging bag. After each degassing is completed, the lifting mechanism drives the degassing rod 3 to withdraw from the packaging bag, and the high-pressure gas in the gas storage tank 6 blows the degassing rod 3 along the one-way valve to prevent the degassing rod 3 from being blocked.

[0033] Example 2

[0034] As a preferred embodiment of the utility model, the utility model includes a material degassing backflush device for a packaging machine, including a column 8, a lifting mechanism, a degassing flow guide pipe 1, a fixing frame 2, a degassing rod 3, and a flow guide tee 4 assembled on the fixing frame 2. One end of the flow guide tee 4 is connected to the degassing flow guide pipe 1, one end is connected in sequence with a one-way valve and a gas storage tank 6, and the other end is connected in sequence with a butterfly valve 7 and a suction mechanism.

[0035] The number of the column 8 is one, and the lifting mechanism can be mounted on the column 8, and the lifting mechanism is connected to the fixed frame 2, driving the fixed frame 2 and the components on the fixed frame 2 to rise and fall. In the process of lifting the fixed frame 2, in order to achieve a good guiding effect, the fixed frame 2 is also equipped with a lifting pulley 9 matching the column 8. Specifically, a slide rail matching the lifting pulley 9 can be provided on the column 8. When the fixed frame 2 is lifted or lowered, the lifting pulley 9 moves up and down synchronously along the slide rail on the column 8.

[0036] In order to limit the maximum descending distance of the fixing frame 2, a limit plate 10 is further provided on the column 8. In order to prevent the fixing frame 2 from directly colliding with the limit plate 10 when descending and to reduce the descending speed of the fixing frame 2, a buffer 11 matching the fixing frame 2 is provided on the limit plate 10.

[0037] Example 3

[0038] As another preferred embodiment of the utility model, the utility model includes a material degassing backflush device for a packaging machine, including a lifting mechanism, a degassing flow guide pipe 1, a fixing frame 2, a degassing rod 3, and a flow guide tee pipe 4 mounted on the fixing frame 2. One end of the flow guide tee pipe 4 is connected to the degassing flow guide pipe 1, one end is connected in sequence with a one-way valve and a gas storage tank 6, and the other end is connected in sequence with a butterfly valve 7 and a gas extraction mechanism.

[0039] The lifting mechanism includes a lifting servo motor 12 and a synchronous belt transmission assembly. The synchronous belt 13 of the synchronous belt transmission assembly is connected to the fixed frame 2. In order to prevent the synchronous belt 13 from jumping when running at high speed, the fixed frame 2 is also provided with an anti-jumping device that abuts against the synchronous belt 13. The anti-jumping device may include a wheel axle and a deep groove ball bearing sleeved on the wheel axle and rotatably connected to the wheel axle. When the synchronous belt 13 jumps, the deep groove ball bearing contacts the synchronous belt 13 to prevent the occurrence of tooth disengagement.

[0040] Example 4

[0041] As the best embodiment of the present utility model, refer to the attached specification Figure 1 ~Instructions attached Figure 3The utility model includes a material degassing and back-blowing device for a packaging machine, including a lifting mechanism, a degassing guide pipe 1, a fixed frame 2, a degassing rod 3, a guide tee pipe 4 and two columns 8. Among them, the lifting mechanism includes a lifting servo motor 12 and a synchronous belt transmission assembly. The synchronous belt transmission assembly includes a driving wheel, a driven wheel and a synchronous belt 13, and the driving wheel and the driven wheel are connected by the synchronous belt 13. The lifting servo motor 12 is fixed to the upper part of the column 8, and the output shaft of the lifting servo motor 12 is connected to the driving wheel. The driven wheel can be set on the ground or the lower part of the column 8, and the synchronous belt 13 is set in the vertical direction. The fixed frame 2 is connected to the synchronous belt 13 to drive the fixed frame 2 to rise and fall.

[0042] One end of the flow guiding tee 4 is connected to the degassing flow guiding pipe 1, one end is connected to a one-way valve and a gas storage tank 6 in sequence, and the other end is connected to a butterfly valve 7 and a gas extraction mechanism in sequence. More specifically, the gas extraction mechanism is connected to the butterfly valve 7 through a hose. The flow guiding tee 4, the one-way valve, and the butterfly valve 7 are all assembled on the fixing frame 2, and the degassing flow guiding pipe 1 is connected to the fixing frame 2 through a mounting bracket 5.

[0043] In order to achieve the guiding function, the fixed frame 2 is also provided with a lifting pulley 9 matching the column 8. Specifically, the lifting pulley 9 has a large diameter on both sides and a small diameter in the middle. Further, the number of the lifting pulleys 9 can be four, which are respectively located around the fixed frame 2, so that the column 8 can also provide a certain uniform support force for the fixed frame 2.

[0044] In order to prevent the synchronous belt 13 from jumping when it moves at high speed, the fixing frame 2 is also provided with an anti-jumping device that abuts against the synchronous belt 13. Specifically, the anti-jumping device is provided with two groups, which are respectively located on the upper and lower sides of the fixing frame 2. Each group of anti-jumping devices includes a support arm 15 and an anti-jumping wheel 14. One end of the support arm 15 is connected to the fixing frame 2, and the other end is connected to the anti-jumping wheel 14, and the anti-jumping wheel 14 abuts against the synchronous belt 13.

[0045] Furthermore, a limit plate 10 is also included. The limit plate 10 can be detachably arranged at the lower part of the column 8, and a through hole for the synchronous belt 13 to pass through is provided on the limit plate 10. A buffer 11 matching the fixing frame 2 is provided on the limit plate 10. By adjusting the position of the limit plate 10, the farthest downward movement distance of the fixing frame 2 can be limited, and the buffer 11 can also slow down the downward movement speed of the fixing frame 2.

[0046] To sum up, after reading the utility model document, ordinary technicians in this field can make various other corresponding transformation schemes based on the technical scheme and technical concept of the utility model without creative mental labor, which all fall within the scope of protection of the utility model.

Claims

1. A material degassing and back-blowing device for a packaging machine, comprising a lifting mechanism, a degassing flow guide pipe (1), a fixing frame (2) and a degassing rod (3); characterized in that: It also includes a flow guiding tee (4) mounted on the fixing frame (2), one end of the flow guiding tee (4) being connected to the degassing flow guiding pipe (1), one end being connected in sequence to a one-way valve and a gas storage tank (6), and the other end being connected in sequence to a butterfly valve (7) and a gas extraction mechanism.

2. A material degassing and back-blowing device for a packaging machine according to claim 1, characterized in that: It also includes a column (8) and a lifting pulley (9) matching the column (8), wherein the lifting pulley (9) is assembled on the fixing frame (2).

3. A material degassing and back-blowing device for a packaging machine according to claim 2, characterized in that: The number of the upright columns (8) is two, and the number of the lifting pulleys (9) is at least two.

4. The material degassing and back-blowing device for a packaging machine according to claim 2, characterized in that: It also comprises a limit plate (10), on which a buffer (11) matching the fixing frame (2) is provided.

5. A material degassing and back-flushing device for a packaging machine according to any one of claims 1 to 4, characterized in that: The lifting mechanism comprises a lifting servo motor (12) and a synchronous belt transmission assembly; the synchronous belt (13) of the synchronous belt transmission assembly is connected to the fixed frame (2).

6. A material degassing and back-blowing device for a packaging machine according to claim 5, characterized in that: The fixing frame (2) is also provided with an anti-jumping device that abuts against the synchronous belt (13).

7. A material degassing and back-blowing device for a packaging machine according to claim 6, characterized in that: The anti-jumping device comprises a support arm (15) and an anti-jumping wheel (14); one end of the support arm (15) is connected to the fixing frame (2), and the other end is connected to the anti-jumping wheel (14); the anti-jumping wheel (14) is in contact with the synchronous belt (13).

8. A material degassing and back-blowing device for a packaging machine according to claim 7, characterized in that: The anti-jumping device is provided with two groups, which are respectively located on the upper and lower sides of the fixing frame (2).

9. The material degassing and back-blowing device for a packaging machine according to claim 5, characterized in that: The degassing flow guide pipe (1) is connected to the fixing frame (2) via a mounting bracket (5).

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