CN213274712U

CN213274712U - Bag packaged food air tightness detection device

Info

Publication number: CN213274712U
Application number: CN202022750485.XU
Authority: CN
Inventors: 王耀刚; 高选民
Original assignee: Henan Jinsanmai Food Co Ltd
Current assignee: Henan Jinsanmai Food Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-05-25
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a bag packaged food gas tightness detection device, the air inlet end of a vacuum pump is communicated with the air outlet end of a vacuum pumping mechanism through a pipeline, a pressure gauge and a gas flowmeter are arranged on the pipeline, the vacuum pumping mechanism comprises a lifting cylinder, a lifting plate, a plurality of upper baffle sealing components, a plurality of lower baffle sealing components and a fixed plate, the lifting cylinder is fixedly arranged on a bracket, the output end of the lifting cylinder is arranged downwards, the lifting plate is horizontally arranged on the output end of the lifting cylinder, the upper baffle sealing components are vertically and uniformly arranged on the lower surface of the lifting plate, the lower baffle sealing components are vertically and uniformly arranged on the fixed plate, the fixed plate is fixedly arranged on a table top, the upper baffle sealing components and the lower baffle sealing components are matched and form a closed cavity, the air inlet end of the pipeline is communicated with a plurality of closed cavities through the lifting plate, batch testing is accurate, and the food shape in the packaging bag can not be damaged.

Description

Bag packaged food air tightness detection device

Technical Field

The utility model relates to a food detection equipment technical field, concretely relates to bag package food gas tightness detection device.

Background

In the food processing industry, especially after the finished flour products are processed, in order to prevent the pollution to the flour products caused by the external environment and ensure the product quality, the flour products need to be packaged and sealed, the common packaging mode is plastic bag packaging, and the packaging bag is filled with protective gas to prevent the food from deteriorating, so that the storage time and the selling period of the flour products are prolonged.

However, during packaging, the phenomena of untight sealing, breakage and air leakage of the packaging bag or too small filling amount of protective gas often occur, which cause that the food is deteriorated too fast, the preservation time is not long, and the food packaging quality is seriously affected, some conventional equipment for detecting the air tightness of the food packaging bag is available on the market, whether the packaging bag is air leakage or broken is basically detected in an extrusion mode, however, for flour products, the shape and the quality of the flour products are damaged, the air tightness of the flour product packaging bag cannot be detected easily by adopting the mode, and some air tightness detection equipment detects the air tightness by vacuum negative pressure, the method is feasible for flour products, but the detection is slow, the detection quantity is small, the efficiency is low, the method is suitable for spot check, the method cannot be suitable for industrial large-scale comprehensive detection, and the quality and the experience effect of products are influenced due to the existence of fish missing in food packaging bag households.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bag package food gas tightness detection device to it is low to solve flour product detection efficiency, lacks the problem that can detect the check out test set of packing gas tightness comprehensively in a large number.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the bag packaged food airtightness detection device comprises a vacuum pump, wherein the air inlet end of the vacuum pump is communicated with the air outlet end of a vacuumizing mechanism through a pipeline, a pressure gauge and a gas flowmeter are arranged on the pipeline, the pressure gauge, the gas flowmeter and the vacuum pump are connected with a PLC (programmable logic controller) and are coordinately controlled by the PLC,

the vacuumizing mechanism comprises a lifting cylinder, a lifting plate, a plurality of upper baffle sealing assemblies, a plurality of lower baffle sealing assemblies and a fixing plate, wherein the lifting cylinder is fixedly installed on a support, the output end of the lifting cylinder is arranged downwards;

the air inlet end of the pipeline is communicated with the plurality of closed cavities through the lifting plate.

The further technical scheme is as follows: the upper baffle sealing assembly is a vertical upper baffle plate which is symmetrically arranged, the lower baffle sealing assembly is a vertical lower baffle plate which is symmetrically arranged, and two inner side surfaces of the lower baffle plate are respectively inserted into two sides of the upper baffle plate.

The further technical scheme is as follows: guide plates convenient for feeding are symmetrically arranged at two ends of the lower baffle.

The further technical scheme is as follows: rubber layers are arranged on the surfaces of the upper baffle and the lower baffle.

The further technical scheme is as follows: the closed cavity is larger than the packaged food to be detected

The further technical scheme is as follows: the lifting plate is provided with a plurality of electromagnetic pressure relief valves communicated with the closed cavity, and the electromagnetic pressure relief valves are controlled by the PLC.

The further technical scheme is as follows: and the fixed plate is provided with color lamps corresponding to the closed cavities, and the color lamps are controlled by the PLC.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a bag package food gas tightness detection device, keep off between the seal assembly each other closely to cooperate on a plurality of going up through evacuation mechanism and a plurality of lower fender seal assembly, form a plurality of seal chamber, rely on the negative pressure principle, take out the gas in the seal chamber, reach certain pressure after, come to judge whether qualified through the threshold value that sets up in the PLC controller seal chamber inner packing bag according to the gas volume of extraction, the batch test, it is accurate comprehensive, the efficiency is high, and can not damage the food molding in the packing bag.

2. The color lamps corresponding to the closed cavities are arranged on the fixing plate, after qualified products and unqualified products are judged by a threshold value set in the PLC, the color lamps can display light with different colors under the control of the PLC, so that qualified products and unqualified products can be conveniently screened out by personnel, the guide plates convenient for feeding are symmetrically arranged at the two ends of the lower baffle plate, and the food packaging bag can be conveniently and smoothly pushed between the two lower baffle plates.

Drawings

Fig. 1 is a schematic structural view of the device for detecting the air tightness of the food packaged in bags of the present invention.

Fig. 2 is a schematic structural view of the closed cavity in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the upper baffle seal assembly and the lower baffle seal assembly of fig. 1 according to the present invention.

Reference numerals: 1. a pipeline; 2. a pressure gauge; 3. a gas flow meter; 4. a vacuum pumping mechanism; 41. a lift cylinder; 42. a lifting plate; 43. an upper shield seal assembly; 431. an upper baffle plate; 44. a lower barrier seal assembly; 441. a lower baffle plate; 45. a fixing plate; 5. a support; 6. a table top; 7. sealing the cavity; 8. a guide plate; 9. an electromagnetic pressure relief valve; 10. a colored light.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

embodiment 1 referring to an embodiment shown in fig. 1, a device for detecting the air tightness of a bag-packaged food comprises a vacuum pump, wherein an air inlet end of the vacuum pump is communicated with an air outlet end of a vacuumizing mechanism 4 through a pipeline 1, a pressure gauge 2 and a gas flowmeter 3 are arranged on the pipeline 1, the pressure gauge 2, the gas flowmeter 3 and the vacuum pump are connected with and coordinately controlled by a PLC controller, wherein,

the vacuumizing mechanism 4 comprises a lifting cylinder 41, a lifting plate 42, a plurality of upper baffle sealing assemblies 43, a plurality of lower baffle sealing assemblies 44 and a fixing plate 45, wherein the lifting cylinder 41 is fixedly installed on the support 5, the output end of the lifting cylinder is arranged downwards, the lifting plate 42 is horizontally installed at the output end of the lifting cylinder 41, the upper baffle sealing assemblies 43 are vertically and uniformly installed on the lower surface of the lifting plate 42, the lower baffle sealing assemblies 44 are vertically and uniformly installed on the fixing plate 45, the fixing plate 45 is fixedly installed on the table top 6, and the upper baffle sealing assemblies 43 and the lower baffle sealing assemblies 44 are matched and form a closed cavity 7;

the air inlet end of the pipeline 1 is communicated with the closed cavities 7 through the lifting plate 42.

Preferably, the closed cavity 7 is larger than the food to be tested in bags.

This bag packaged food gas tightness detection device's structure and theory of operation: an air inlet end of the vacuum pump is communicated with an air outlet end of the vacuumizing mechanism 4 through a pipeline 1, the vacuum pump pumps out volume air of the vacuumizing mechanism 4, a pressure gauge 2 and a gas flowmeter 3 are arranged on the pipeline 1, the pressure gauge 2, the gas flowmeter 3 and the vacuum pump are connected with and coordinately controlled by a PLC (programmable logic controller) which is set by technicians to set program parameters, the vacuum pump is started to pump vacuum according to a set pressure value of the pressure gauge 2 (the pressure value is set by referring to the material bearing pressure of a packaging bag) and records the volume value of the pumped air given by the gas flowmeter 3, a lifting cylinder 41 of the vacuumizing mechanism 4 is fixed on a support 5, a lifting plate 42 is horizontally arranged on an output end of the lifting cylinder 41, an upper baffle sealing assembly 43 is vertically and uniformly arranged on the lower surface of the lifting plate 42, a lower baffle sealing assembly 44 is vertically and uniformly arranged on a fixing, fixed plate 45 fixed mounting is on mesa 6, it is corresponding with lower fender seal assembly 44 to go up to keep off seal assembly 43, a plurality of last fender seal assembly 43 and a plurality of lower fender seal assembly 44 through evacuation mechanism 4 closely cooperate each other, form a plurality of seal chamber 7, in the food package bag can impel lower fender seal assembly 44, rely on the negative pressure principle, take out the gas in seal chamber 7, reach certain pressure after, come to judge whether qualified through the threshold value that sets up in the PLC controller seal chamber 7 inner packing bag according to the gas volume of extraction, the batch test, it is accurate comprehensive, the efficiency is high, and can not damage the food molding in the packing bag.

Example 2:

on the basis of the above embodiment 1, in embodiment 2, referring to fig. 2, as an embodiment, the upper baffle sealing assemblies 43 are upper baffles 431 which are vertically and symmetrically arranged, the lower baffle sealing assemblies 44 are lower baffles 441 which are vertically and symmetrically arranged, and two sides of the two upper baffles 431 are respectively inserted into inner side surfaces of the two lower baffles 441.

Preferably, guide plates 8 for facilitating feeding are symmetrically provided at both ends of the lower baffle 441.

Wherein, keep off sealing component 44 down for the lower baffle 441 of vertical and symmetry setting, can not obstruct personnel and send into the wrapping bag, the both ends symmetry of baffle 441 is provided with the guide board 8 of the feeding of being convenient for down, makes things convenient for guide personnel propelling movement wrapping bag, and the medial surface of baffle 441 under two is inserted respectively to the both sides of overhead gage 431, can insert from top to bottom and close, fixes a position accurately.

Example 3:

on the basis of the above embodiment, embodiment 3 shows an embodiment in which the surfaces of the upper baffle 431 and the lower baffle 441 are each provided with a rubber layer.

The surfaces of the upper baffle 431 and the lower baffle 441 are both provided with rubber layers, so that the sealing performance of the vacuum pumping mechanism 4 is improved.

Example 4:

on the basis of the above embodiment, embodiment 4 shows an embodiment, a plurality of electromagnetic relief valves 9 communicated with the closed cavity 7 are arranged on the lifting plate 42, and the electromagnetic relief valves 9 are controlled by the PLC controller.

Be provided with the electromagnetic relief valve 9 of a plurality of closed cavity 7 intercommunications on the lifter plate 42, electromagnetic relief valve 9 by PLC controller control realizes the linkage, can pass through electromagnetic relief valve 9 quick pressure release behind the test gas tightness, conveniently takes out food package bag.

Example 5:

on the basis of the above embodiments, in embodiment 5, referring to fig. 3, in an embodiment, a color lamp 10 corresponding to each of the closed cavities 7 is disposed on the fixing plate 45, and the color lamp 10 is controlled by the PLC controller.

The fixed plate 45 is provided with the colored lamps 10 corresponding to each closed cavity 7, and after the qualified products and the unqualified products are judged by the preset threshold value in the PLC, the colored lamps 10 can display light with different colors under the control of the PLC, so that the qualified products and the unqualified products can be conveniently screened out by personnel.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a bag package food gas tightness detection device, includes the vacuum pump, its characterized in that: the air inlet end of the vacuum pump is communicated with the air outlet end of the vacuumizing mechanism (4) through a pipeline (1), a pressure gauge (2) and a gas flowmeter (3) are arranged on the pipeline (1), the pressure gauge (2), the gas flowmeter (3) and the vacuum pump are connected with and coordinately controlled by a PLC controller, wherein,

the vacuumizing mechanism (4) comprises a lifting cylinder (41), a lifting plate (42), a plurality of upper baffle sealing assemblies (43), a plurality of lower baffle sealing assemblies (44) and a fixing plate (45), the lifting cylinder (41) is fixedly installed on a support (5), the output end of the lifting cylinder is arranged downwards, the lifting plate (42) is horizontally installed on the output end of the lifting cylinder (41), the upper baffle sealing assemblies (43) are vertically and uniformly installed on the lower surface of the lifting plate (42), the lower baffle sealing assemblies (44) are vertically and uniformly installed on the fixing plate (45), the fixing plate (45) is fixedly installed on a table top (6), and the upper baffle sealing assemblies (43) and the lower baffle sealing assemblies (44) are matched and form a closed cavity (7);

the air inlet end of the pipeline (1) is communicated with the plurality of closed cavities (7) through the lifting plate (42).

2. The apparatus for inspecting airtightness of pouch-packaged food according to claim 1, wherein: the upper baffle plate (431) is vertically and symmetrically arranged on the upper baffle plate sealing assembly (43), the lower baffle plate (441) is vertically and symmetrically arranged on the lower baffle plate sealing assembly (44), and two inner side surfaces of the lower baffle plate (441) are respectively inserted into two sides of the upper baffle plate (431).

3. The apparatus for inspecting airtightness of pouch-packaged food according to claim 2, wherein: guide plates (8) convenient for feeding are symmetrically arranged at two ends of the lower baffle plate (441).

4. The apparatus for inspecting airtightness of pouch-packaged food according to claim 2, wherein: the surfaces of the upper baffle (431) and the lower baffle (441) are both provided with rubber layers.

5. The apparatus for inspecting airtightness of pouch-packaged food according to claim 1, wherein: the closed cavity (7) is larger than the packaged food to be detected.

6. The apparatus for inspecting airtightness of pouch-packaged food according to claim 1, wherein: the lifting plate (42) is provided with a plurality of electromagnetic pressure relief valves (9) communicated with the closed cavity (7), and the electromagnetic pressure relief valves (9) are controlled by the PLC.

7. The apparatus for inspecting airtightness of pouch-packaged food according to claim 1, wherein: and the fixing plate (45) is provided with color lamps (10) corresponding to the closed cavities (7), and the color lamps (10) are controlled by the PLC.