CN210258964U

CN210258964U - Nitrogen vacuum packaging machine

Info

Publication number: CN210258964U
Application number: CN201921132478.4U
Authority: CN
Inventors: 李敏强; 邓紫新; 韩宝强
Original assignee: Jiangsu Manshi Biological Technologies Co ltd
Current assignee: Jiangsu Manshi Biological Technologies Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a nitrogen gas vacuum packaging machine, including last frame, workstation and underframe, the vertical fixedly connected with lift cylinder in roof middle part of last frame inner chamber, the flexible end fixedly connected with of lift cylinder goes up the mould, go up the equal fixedly connected with heating gasket in both sides around the mould bottom, the equal vertical fixedly connected with bracing piece in four corners of going up the frame bottom, be located the bottom fixedly connected with connecting rod between two left bracing pieces, the horizontal fixedly connected with delivery cylinder in right side of connecting rod, the bottom of underframe inner chamber has the PLC controller from a left side to the right side fixed mounting in proper order, nitrogen gas machine and evacuation pump all communicate with the inner chamber of lower mould. The utility model discloses a cooperation of two lower moulds of installation in two heating packing rings and the lower mould mounting bracket on the mould on setting up, when packing production, can carry out the vacuum to two products simultaneously and fill the nitrogen packing, from this, promoted packing efficiency greatly, improved productivity.

Description

Nitrogen vacuum packaging machine

Technical Field

The utility model relates to the technical field of packaging equipment, specifically a nitrogen gas vacuum packaging machine.

Background

The traditional box sealing machine only performs film sealing treatment on outer packages of products and cannot play a role in preservation, the science and technology are different day by day, the requirements of customers are higher and higher, the preservation and storage of food are more and more important, the nitrogen packaging machine is a common packaging machine, and a nitrogen machine is arranged on the packaging machine to charge nitrogen into a packaging belt; after the package is filled, the functions of air resistance, fresh preservation, moisture prevention, corrosion prevention, oxidation resistance and the like are realized. However, the existing vacuum packaging machine can only package one product at a time during packaging, the packaging efficiency is low, the productivity is reduced, and the industry competitiveness of production enterprises is reduced, so that the nitrogen vacuum packaging machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nitrogen gas vacuum packaging machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nitrogen vacuum packaging machine comprises an upper frame, a workbench and a lower frame, wherein a lifting cylinder is vertically and fixedly connected to the middle part of the top wall of an inner cavity of the upper frame, an upper die is fixedly connected to the telescopic end of the lifting cylinder, heating gaskets are fixedly connected to the front side and the rear side of the bottom of the upper die, supporting rods are vertically and fixedly connected to the four corners of the bottom of the upper frame, a connecting rod is fixedly connected to the bottom between the two supporting rods on the left side, a conveying cylinder is transversely and fixedly connected to the right side of the connecting rod, the bottom end of each supporting rod is fixedly connected to the side of the upper surface of the workbench, a lower die mounting frame is slidably connected to the top of the upper frame, a connecting block is fixedly connected to the right side of the bottom of the lower die mounting frame, the inside fixed mounting of mounting groove has the lower mould, the bottom of underframe inner chamber is from a left side to the right side fixed mounting in proper order has PLC controller, nitrogen gas machine and evacuation pump all communicate with the inner chamber of lower mould.

As further preferable in the present technical solution: the upper surface of the upper frame is fixedly connected with two I-shaped slide rails, the top ends of the I-shaped slide rails are connected with slide blocks in a sliding mode, and the two lower die mounting frames are fixedly connected between the tops of the slide blocks.

As further preferable in the present technical solution: the middle part of the workbench is provided with an opening, and the two I-shaped slide rails are arranged in parallel and are respectively positioned at the front side and the rear side of the opening.

As further preferable in the present technical solution: the bottom end of the lower die is communicated with a connecting pipe, and a pressure sensor is fixedly mounted on the inner wall of the connecting pipe.

As further preferable in the present technical solution: the bottom intercommunication of connecting pipe has first connecting pipe, the other end intercommunication of first connecting pipe has the four-way pipe fitting, two other openings of four-way pipe fitting communicate respectively has second connecting pipe and third connecting pipe, the other end of second connecting pipe and the end intercommunication of giving vent to anger of nitrogen gas machine, the other end of third connecting pipe and the end intercommunication of bleeding of evacuation pump.

As further preferable in the present technical solution: the second connecting pipe is sleeved with a first electromagnetic valve, the first electromagnetic valve is electrically connected with the PLC, the third connecting pipe is sleeved with a second electromagnetic valve, and the second electromagnetic valve is electrically connected with the PLC.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation of two lower moulds of installation in two heating packing rings and the lower mould mounting bracket on the mould on setting up, when packing production, can carry out the vacuum to two products simultaneously and fill the nitrogen packing, from this, promoted packing efficiency greatly, improved productivity.

2. The utility model discloses a set up the PLC controller to information through feeding back pressure sensor is handled, can carry out efficient cooperative control to lift cylinder, heating packing ring, conveying cylinder, first solenoid valve, second solenoid valve, evacuation pump and nitrogen gas machine, from this better reduction the intervention of manual operation, promoted degree of automation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural isometric view of the present invention;

FIG. 3 is a schematic axial view of a part of the structure of the present invention;

FIG. 4 is a schematic view of the structure of the lifting cylinder and the upper mold of the present invention;

FIG. 5 is a schematic bottom view of the upper mold structure of the present invention;

fig. 6 is a schematic axial view of a partial structure of the present invention;

FIG. 7 is a schematic axial view of a partial structure of a worktable according to the present invention;

fig. 8 is a schematic diagram of the system of the present invention.

In the figure: 1. an upper frame; 2. a work table; 3. a lower frame; 4. a lifting cylinder; 5. an upper die; 6. heating the gasket; 7. a support bar; 8. an opening; 9. an I-shaped slide rail; 10. a lower die mounting rack; 11. a slider; 12. mounting grooves; 13. a lower die; 14. a PLC controller; 15. a nitrogen machine; 16. a vacuum pump is pumped; 17. connecting blocks; 18. a connecting rod; 19. a conveying cylinder; 20. a connecting pipe; 21. a pressure sensor; 22. a first connecting pipe; 23. a four-way pipe fitting; 24. a second connecting pipe; 25. a third connecting pipe; 26. a first solenoid valve; 27. a second solenoid valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-8, the present invention provides a technical solution: a nitrogen vacuum packaging machine comprises an upper frame 1, a workbench 2 and a lower frame 3, wherein a lifting cylinder 4 is vertically and fixedly connected to the middle part of the top wall of an inner cavity of the upper frame 1, an upper die 5 is fixedly connected to the telescopic end of the lifting cylinder 4, heating gaskets 6 are fixedly connected to the front side and the rear side of the bottom of the upper die 5, supporting rods 7 are vertically and fixedly connected to the four corners of the bottom of the upper frame 1, a connecting rod 18 is fixedly connected to the bottom between the two supporting rods 7 on the left side, a conveying cylinder 19 is transversely and fixedly connected to the right side of the connecting rod 18, the bottom end of each supporting rod 7 is fixedly connected to the side of the upper surface of the workbench 2, a lower die mounting frame 10 is slidably connected to the top of the upper frame 1, a connecting block 17 is fixedly connected to the right side of, the inside front and back both ends of lower mould mounting bracket 10 are all vertical to be seted up mounting groove 12, the inside fixed mounting of mounting groove 12 has lower mould 13, the bottom of underframe 3 inner chamber is from a left side to the right side fixed mounting in proper order has PLC controller 14, nitrogen gas machine 15 and evacuation pump 16 all communicate with the inner chamber of lower mould 13.

In this embodiment, specifically: two worker shape slide rails 9 of last fixed surface of frame 1, the top sliding connection of worker shape slide rail 9 has slider 11, two fixedly connected with lower mould mounting bracket 10 between the top of slider 11, worker shape slide rail 9 and slider 11 act on and make lower mould mounting bracket 10 can replace through the slip of accomplishing packing processing position and last unloading position.

In this embodiment, specifically: opening 8 has been seted up at the middle part of workstation 2, and two I-shaped slide rails 9 are parallel arrangement and are located opening 8's front and back both sides respectively, opening 8 is used as when lower mould mounting bracket 10 sliding movement, and first connecting pipe 22 and the four-way pipe fitting 23 of lower mould 13 bottom intercommunication can possess the space of removal.

In this embodiment, specifically: the bottom end of the lower die 13 is communicated with a connecting pipe 20, a pressure sensor 21 is fixedly mounted on the inner wall of the connecting pipe 20, and the pressure sensor 21 is used for detecting the vacuum pressure and the nitrogen inflation pressure in the inner cavity of the lower die 13, so that the PLC 14 can control subsequent electric devices according to air pressure feedback.

In this embodiment, specifically: the bottom of connecting pipe 20 communicates with first connecting pipe 22, the other end of first connecting pipe 22 communicates with four-way pipe fitting 23, two other openings of four-way pipe fitting 23 communicate with second connecting pipe 24 and third connecting pipe 25 respectively, the other end of second connecting pipe 24 communicates with the end of giving vent to anger of nitrogen gas machine 15, the other end of third connecting pipe 25 communicates with the end of bleeding of evacuation pump 16, and four-way pipe fitting 23 acts on and links together two lower moulds 13 and communicates with nitrogen gas machine 15 and evacuation pump 16.

In this embodiment, specifically: first solenoid valve 26 has been cup jointed on the second connecting pipe 24, and first solenoid valve 26 and PLC controller 14 electric connection, second solenoid valve 27 has been cup jointed on the third connecting pipe 25, and second solenoid valve 27 and PLC controller 14 electric connection, through the setting of first solenoid valve 26 and second solenoid valve 27, can be convenient for PLC controller 14 carries out the switching of evacuation and nitrogen gas according to the change of interior atmospheric pressure of lower mould 13, improves machining efficiency from this.

The utility model discloses a control mode comes automatic control through PLC controller 14, and PLC controller 14's control circuit can realize through the simple programming of technical staff in the field, belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The working principle is that when the device is used, the lifting cylinder 4 descends to enable the upper die 5 to descend and be attached to the upper surface of the lower die 13 for sealing, the PLC 14 controls the vacuum pump 16 to work to vacuumize the inner cavities of the two lower dies 13, the pressure sensor 21 feeds the air pressure in the lower dies 13 back to the PLC 14 in real time, when the vacuum air pressure value is reached, the PLC 14 processes the information fed back by the pressure sensor 21, the PLC 14 controls the second electromagnetic valve 27 to close and enable the vacuum pump 16 to stop working, then the PLC 14 controls the nitrogen machine 15 to work and enables the vacuum pump 16 to open, the nitrogen machine 15 fills the nitrogen into the inner cavities of the two lower dies 13, the pressure sensor 21 detects and feeds back the positive air pressure in the lower dies 13 in real time, when the nitrogen is filled to the set pressure, the PLC 14 controls the first electromagnetic valve 26 and the nitrogen machine 15 to close in sequence, then PLC controller 14 control heating packing ring 6 work, through heating packing ring 6 with product packaging bag opening hot melt sealed, through two sets of packing moulds, improved product packaging's efficiency, promoted the productivity, in addition, during the packaging process, PLC controller 14 controls conveying cylinder 19, accomplishes the work that relies on conveying cylinder 19, realizes the slip of lower mould mounting bracket 10 when going on unloading on worker shape slide rail 9 through slider 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitrogen gas vacuum packaging machine, includes upper frame (1), workstation (2) and underframe (3), its characterized in that: the vertical fixedly connected with lift cylinder (4) in roof middle part of upper frame (1) inner chamber, the flexible end of lift cylinder (4) is connected with last mould (5), go up the equal fixedly connected with heating packing ring (6) in both sides around mould (5) bottom, the equal vertical fixedly connected with bracing piece (7) in four corners of upper frame (1) bottom, be located left two bottom fixedly connected with connecting rod (18) between bracing piece (7), the horizontal fixedly connected with conveying cylinder (19) in right side of connecting rod (18), the bottom fixed connection of bracing piece (7) is in the avris of workstation (2) upper surface, the top sliding connection of upper frame (1) has lower mould mounting bracket (10), the right side fixedly connected with connecting block (17) of lower mould mounting bracket (10) bottom, and the left side of connecting block (17) and the flexible end fixed connection of conveying cylinder (19), the utility model discloses a lower mould mounting bracket, including lower mould mounting bracket (10), the inside front and back both ends of lower mould mounting bracket (10) are all vertical has seted up mounting groove (12), the inside fixed mounting of mounting groove (12) has lower mould (13), the bottom of underframe (3) inner chamber is from a left side to the right side fixed mounting in proper order has PLC controller (14), nitrogen gas machine (15) and evacuation pump (16) all communicate with the inner chamber of lower mould (13).

2. The nitrogen vacuum packaging machine according to claim 1, wherein: the upper surface of the upper frame (1) is fixedly connected with two I-shaped sliding rails (9), the top ends of the I-shaped sliding rails (9) are connected with sliding blocks (11) in a sliding mode, and the two sliding blocks (11) are fixedly connected with a lower die mounting frame (10) between the tops of the sliding blocks.

3. The nitrogen vacuum packaging machine according to claim 1, wherein: an opening (8) is formed in the middle of the workbench (2), and the two I-shaped sliding rails (9) are arranged in parallel and are respectively located on the front side and the rear side of the opening (8).

4. The nitrogen vacuum packaging machine according to claim 1, wherein: the bottom end of the lower die (13) is communicated with a connecting pipe (20), and a pressure sensor (21) is fixedly mounted on the inner wall of the connecting pipe (20).

5. The nitrogen vacuum packaging machine according to claim 4, wherein: the bottom intercommunication of connecting pipe (20) has first connecting pipe (22), the other end intercommunication of first connecting pipe (22) has four-way pipe fitting (23), two other openings of four-way pipe fitting (23) communicate respectively has second connecting pipe (24) and third connecting pipe (25), the other end of second connecting pipe (24) and the end intercommunication of giving vent to anger of nitrogen gas machine (15), the other end of third connecting pipe (25) and the bleed end intercommunication of evacuation pump (16).

6. The nitrogen vacuum packaging machine according to claim 5, wherein: the second connecting pipe (24) is sleeved with a first electromagnetic valve (26), the first electromagnetic valve (26) is electrically connected with the PLC (14), the third connecting pipe (25) is sleeved with a second electromagnetic valve (27), and the second electromagnetic valve (27) is electrically connected with the PLC (14).