CN115783427A

CN115783427A - Automatic change liquid food package detection mechanism

Info

Publication number: CN115783427A
Application number: CN202211574910.1A
Authority: CN
Inventors: 章建胜; 金姣; 槐胜丰
Original assignee: Jiaxing Vocational and Technical College
Current assignee: Jiaxing Vocational and Technical College
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-14

Abstract

The invention discloses an automatic liquid food packaging detection mechanism, which belongs to the field of food detection and comprises a frame body, wherein two sides of the frame body are movably connected with conveying mechanisms, a detection tank is arranged between the two conveying mechanisms, the upper end of the detection tank is slidably connected with a tray, the detection tank is made of transparent glass, the front end and the rear end of the tray are fixedly connected with connecting shafts, one end, far away from the two connecting shafts, of the tray is movably connected with a first motor, the upper parts of the front end and the rear end of the detection tank are respectively provided with a sliding groove, the lower parts of the front end and the rear end of the detection tank are respectively fixedly connected with an electric cylinder, the upper end of a telescopic shaft of the electric cylinder is fixedly connected with the first motor, and the upper end of the tray is provided with a first groove, so that a detection product can be completely immersed in water without being fixed, the accuracy of a detection result is guaranteed, and the detection efficiency is improved.

Description

Automatic change liquid food package detection mechanism

Technical Field

The invention relates to the field of food detection, in particular to an automatic liquid food packaging detection mechanism.

Background

The liquid food is a flowable food in a liquid state, and the liquid food has various varieties, including dairy products, edible oil, alcoholic beverages, honey, fruit and vegetable beverages and the like;

when the liquid food is packaged, the sealing performance and the pressure resistance of the liquid food are extremely important, so that the liquid food needs to be packaged and detected after being packaged;

the published document GBT15171-94 [ 2 ] discloses a method for testing the sealing performance between flexible packages, in order to detect the sealing performance of the packages, a packaged product is put into a detection tank filled with water, the detection tank is sealed, then the detection tank is vacuumized, so that the packaged product immersed in the water generates an internal and external pressure difference, and if the packaged product leaks, bubbles are generated in the water, and the pressure resistance of the product can be measured through the internal and external pressure difference;

although the leakproofness that detects the product that prior art can be fine, the condition that some density is less than the product of water and can appear floating at the surface of water after putting into the detection jar, consequently can lead to detecting inaccurately, will guarantee that the product submergence still need fix the product in aqueous, and the operation is very inconvenient.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an automatic liquid food packaging detection mechanism, which can ensure that a detection product is completely immersed in water without fixing operation, ensure the accuracy of a detection result and improve the detection efficiency.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an automatic change liquid food package detection mechanism, includes the support body, the equal swing joint in both sides of support body has transport mechanism, two be equipped with the detection jar between the transport mechanism, and the upper end sliding connection who detects the jar has the tray, it is the clear glass material to detect the jar, the equal fixedly connected with connecting axle in both ends around the tray, two the one end swing joint that the connecting axle was kept away from has a motor, the spout has all been seted up on both ends upper portion around the detection jar, and detects the equal fixedly connected with electric jar in both ends lower part around the jar, fixed connection between the telescopic shaft upper end of electric jar and the first motor, first recess has been seted up to the upper end of tray, and the inside swing joint of first recess has the weight plate, fixedly connected with spring between weight plate and the first recess.

Further, the second recess has been seted up to the upper end edge of tray, and the inside sliding connection of second recess has the material ring of dialling, dial material ring and weight plate all stretch out second recess and first recess respectively under self action of gravity behind the rotatory one hundred eighty degrees of tray, the distance of stretching out of dialling the material ring is greater than the distance of stretching out of weight plate.

Furthermore, a third groove is formed in the upper end of the counterweight plate, an elastic membrane is fixedly connected to the upper end of the third groove and used for sealing the third groove, and colloid is filled in the third groove.

Furthermore, the lower part of the right side of the detection tank is movably connected with a laser pen, the edge of the upper end of the cylinder base of the electric cylinder is movably connected with a press switch, and the press switch is electrically connected with the laser pen.

Furthermore, the weight plate completely immerses in the water solution in the detection tank after dropping, and the liquid level of the water solution does not exceed the sliding chute after the weight plate is immersed in the water solution.

Furthermore, dial the material ring and be transparent material, the gravity of weight plate is greater than the elasticity of spring, its surface flushes with the tray after the weight plate pushes down the spring.

Furthermore, the inner diameter of the lower part of the detection tank is smaller than that of the upper part of the detection tank, and a rubber ring is arranged on the side of the tray ring.

Furthermore, the rear end middle part fixedly connected with water replenishing tank of detection jar, and seted up first water inlet between water replenishing tank's the front end bottom and the detection jar, the top sliding connection that the rear end inner wall of detection jar is located first water inlet has the sucking disc, and the lower part of sucking disc has seted up the second water inlet.

Further, the right side that detects the jar is equipped with the evacuation pump, and evacuation pump and detection jar between fixedly connected with connecting pipe, the upper end middle part of support body is close to the fixedly connected with recognizer of rear end, the upper end middle part front end fixedly connected with second motor of support body, and the output shaft left side fixedly connected with of second motor dials the material pole.

Furthermore, the connection position of the connecting pipe and the detection tank is positioned between the tray and the liquid level of the aqueous solution in the detection tank.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) This scheme utilization weight plate moves the spring extension under the effect of self gravity for the weight plate stretches out first recess, utilizes the weight plate to push down the product to the aqueous solution in detecting the jar, makes in the complete submergence's of product aqueous solution, thereby has ensured the precision that detects.

(2) This scheme is after the tray upset, and the material ring of dialling at tray edge also extends the second recess downwards under the gravity of self, because the reach out distance of dialling the material ring is greater than the reach out distance of counterweight plate, consequently when the tray gyration, utilizes and dials the material ring and can hold the product from the edgewise, ensures that the product can follow the tray and together overturn.

(3) This scheme is when the product when the effect whereabouts of inertia is on the tray after left side transport mechanism conveys, and the product can contact with the elastic film on counterweight plate surface, because the inside packing of third recess has the colloid, therefore the product falls on the elastic film after, can drive the elastic film and take place deformation to utilize the colloid to play the cushioning effect, in order to prevent that inertia too big lead to the product to drop to the tray outside.

(4) This scheme passes the light beam that the laser pen sent and passes detection jar and its inside aqueous solution, if there is the leakage to produce the bubble in product package, these bubbles are equivalent to convex lens in aqueous solution, laser passes the bubble and can assemble and be the light beam this moment, whether there is the bubble in aqueous solution can be judged through observing whether there is the light beam, and then judge whether there is the leakage in product package, this mode is to under the less and less condition of bubble that produces when product package leaks slightly, can avoid observing not carefully to lead to detecting and appear omitting and the deviation, the rigidness of detection has further been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the construction of the test canister of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of an exploded structure of the inverted pallet of the present invention;

FIG. 5 is a schematic view of the tray of the present invention after being turned over;

FIG. 6 is a schematic diagram of an explosion structure of the counterweight of the present invention;

FIG. 7 is a right side sectional view of the detection tank 3 of the present invention.

The numbering in the figures illustrates:

1. a frame body; 2. a transfer mechanism; 3. detecting the tank; 31. a water replenishing tank; 32. a first water inlet; 33. a suction cup; 34. a second water inlet; 4. a tray; 41. a first groove; 42. a counterweight plate; 421. a third groove; 422. an elastic film; 43. a spring; 44. a second groove; 45. a material pulling ring; 5. a vacuum pump is pumped; 6. a connecting pipe; 7. an electric cylinder; 8. a chute; 9. a connecting shaft; 10. a first motor; 11. a push switch; 12. a laser pen; 13. an identifier; 14. a second motor; 15. a material poking rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example 1:

referring to fig. 1 to 5, an automatic liquid food packaging detection mechanism includes a frame body 1, wherein both sides of the frame body 1 are movably connected with a conveying mechanism 2, a detection tank 3 is arranged between the two conveying mechanisms 2, the upper end of the detection tank 3 is slidably connected with a tray 4, the detection tank 3 is made of transparent glass, both front and rear ends of the tray 4 are fixedly connected with a connecting shaft 9, one end of the two connecting shafts 9 away from each other is movably connected with a first motor 10, both upper portions of the front and rear ends of the detection tank 3 are provided with a chute 8, lower portions of both front and rear ends of the detection tank 3 are fixedly connected with an electric cylinder 7, the upper end of a telescopic shaft of the electric cylinder 7 is fixedly connected with the first motor 10, the upper end of the tray 4 is provided with a first groove 41, a counterweight disc 42 is movably connected inside the first groove 41, and a spring 43 is fixedly connected between the counterweight disc 42 and the first groove 41;

a vacuum pump 5 is arranged on the right side of the detection tank 3, a connecting pipe 6 is fixedly connected between the vacuum pump 5 and the detection tank 3, an identifier 13 is fixedly connected to the position, close to the rear end, of the middle of the upper end of the frame body 1, a second motor 14 is fixedly connected to the front position of the middle of the upper end of the frame body 1, and a material shifting rod 15 is fixedly connected to the left side of an output shaft of the second motor 14; the connecting part of the connecting pipe 6 and the detection tank 3 is positioned between the tray 4 and the liquid level of the aqueous solution in the detection tank 3;

the weight plate 42 is completely immersed in the aqueous solution in the detection tank 3 after dropping, and the liquid level of the aqueous solution does not exceed the chute 8 after the weight plate 42 is immersed in the aqueous solution; the lower part internal diameter of detecting jar 3 is less than its upper portion internal diameter, 4 ring sides of tray are equipped with the rubber circle, ensure tray 4 and move down the back and detect the leakproofness between jar 3, avoid the evacuation to appear unusually.

Specifically, the liquid food packaged product to be detected is conveyed rightwards through the left conveying mechanism 2, when the product to be detected is conveyed to the tray 4, under the action of inertia, the product falls on the tray 4, at the moment, the recognizer 13 detects that an article is on the tray 4 to control the electric cylinder 7 to work, the electric cylinder 7 drives the first motor 10 to move downwards, so that the tray 4 moves downwards in the chute 8 through the connecting shaft 9 until the connecting shaft 9 reaches the bottommost part of the chute 8, at the moment, the first motor 14 drives the connecting shaft 9 to rotate, the turning over of the tray 4 is realized, the product on the tray 4 falls into the detection tank 3, after the tray 4 is turned over, the weight disc 42 pulls the spring 43 to extend under the action of self gravity, so that the weight disc 42 extends out of the first groove 41, the product is pressed downwards into the aqueous solution in the detection tank 3 through the weight disc 42, and the product is completely immersed in the aqueous solution, thereby ensuring the detection accuracy, then pumping out the gas in the detection tank 3 by using the connecting pipe 6 through the vacuum pump 5 to form negative pressure in the detection tank 3, increasing the pressure in the product to cause the package to expand, if the product has the problem of tightness, discharging the gas to the outside of the package, generating bubbles when the gas enters the water, knowing whether the tightness of the package is good or not by observing the bubbles, after the detection is finished, the first motor 10 utilizes the connecting shaft 9 to drive the tray 4 to rotate, utilizing the tray 4 to hold the product, enabling the product to turn over along with the tray 4 and finally be positioned at the upper end of the tray 4, then the cylinder 7 pushes the first motor 10 to move upwards to reset the tray 4, after the recognizer 13 detects the product on the tray 4 for the second time, controlling the second motor 14 to rotate, utilizing the material stirring rod 15 on the second motor 14 to stir the product on the tray 4 to the right-side conveying mechanism 2, the product unloading is realized, the automation degree of the whole process is high, and the detection efficiency is high.

Referring to fig. 4 and 5, a second groove 44 is formed in an upper edge of the tray 4, a material poking ring 45 is slidably connected inside the second groove 44, the material poking ring 45 and the weight plate 42 respectively extend out of the second groove 44 and the first groove 41 under the action of self gravity after the tray 4 rotates by one hundred eighty degrees, and the extending distance of the material poking ring 45 is greater than that of the weight plate 42;

dial material ring 45 and be transparent material, avoid dialling material ring 45 and cause to shelter from and influence the detection on product upper portion, the gravity of counterweight disk 42 is greater than the elasticity of spring 43, its surface flushes with tray 4 behind counterweight disk 42 pushing down spring 43, ensures that its surface is the horizontality after tray 4 gyration for follow-up product can stably fall its upper portion.

Specifically, after the tray 4 overturns, the material stirring ring 45 at the edge of the tray 4 also extends downwards out of the second groove 44 under the self gravity, and because the extending distance of the material stirring ring 45 is greater than that of the counterweight plate 42, when the tray 4 rotates, the product can be supported from the side by the material stirring ring 45, and the product can be ensured to overturn along with the tray 4.

Referring to fig. 6, a third groove 421 is formed in the upper end of the counterweight plate 42, an elastic film 422 is fixedly connected to the upper end of the third groove 421, the elastic film 422 is used for sealing the third groove 421, and a colloid is filled in the third groove 421.

Specifically, when the product was on tray 4 in the effect whereabouts of inertia after the conveying of left side transport mechanism 2, the product can contact with the elastic membrane 422 on balance weight disk 42 surface, because third recess 421 inside is filled with the colloid, therefore the product falls back on elastic membrane 422, can drive elastic membrane 422 and take place deformation to utilize the colloid to play the cushioning effect, in order to prevent that inertia too big leads to the product to drop to tray 4 outside.

Referring to fig. 1 and 2, a laser pen 12 is movably connected to a lower portion of a right side of the detection tank 3, a push switch 11 is movably connected to an edge of an upper end of a cylinder base of the electric cylinder 7, and the push switch 11 is electrically connected to the laser pen 12.

Specifically, when the tray 4 moves down to the inside of the detection tank 3, the first motor 10 contacts with the press switch 11, the press switch 11 is turned on by pressing the first motor 10, the laser pen 12 is turned on at the moment due to the fact that the press switch 11 is electrically connected with the laser pen 12, light beams emitted by the laser pen 12 penetrate through the detection tank 3 and an aqueous solution inside the detection tank, if leakage of the product package occurs, bubbles can be generated, the bubbles are equivalent to convex lenses in the aqueous solution, at the moment, the laser penetrates through the bubbles and can be converged into the light beams, whether bubbles exist in the aqueous solution can be judged by observing whether the light beams exist, whether the product package leaks or not can be judged, and the mode can avoid that detection omission and deviation occur due to careless observation under the condition that the bubbles generated when the product package leaks minutely, and further improves detection rigidness.

Referring to fig. 7, a water replenishing tank 31 is fixedly connected to the middle of the rear end of the detection tank 3, a first water inlet 32 is formed between the bottom of the front end of the water replenishing tank 31 and the detection tank 3, a suction cup 33 is slidably connected to the inner wall of the rear end of the detection tank 3 above the first water inlet 32, and a second water inlet 34 is formed in the lower portion of the suction cup 33.

Specifically, when tray 4 moves down the back, tray 4 can move down with the contact of sucking disc 33 and promote sucking disc 33 in step, make second water inlet 34 on the sucking disc 33 align with first water inlet 32, the inside water of moisturizing jar 31 can flow into and detect jar 3 this moment, thereby for detecting jar 3 replenishment water source, avoid having water because of detecting back product surface, cause and detect the inside water source loss of jar 3 and make and detect the back water source and be not enough submergence product repeatedly, it is required to explain, along with tray 4's the continuous promotion sucking disc 33, the solid department in sucking disc 33 upper portion can be closed to first water inlet 32, thereby stop the moisturizing.

The working principle is as follows:

firstly, the liquid food packaging product to be detected is conveyed rightwards through the left conveying mechanism 2, when the product to be detected is conveyed to the tray 4, the product falls on the tray 4 under the action of inertia, at the moment, the recognizer 13 detects that an article is on the tray 4 to control the electric cylinder 7 to work, the electric cylinder 7 drives the first motor 10 to move downwards, so that the tray 4 moves downwards in the sliding chute 8 by using the connecting shaft 9 until the connecting shaft 9 reaches the bottommost part of the sliding chute 8, at the moment, the first motor 10 drives the connecting shaft 9 to rotate, the turnover of the tray 4 is realized, the product on the tray 4 is caused to fall inside the test tube 3, and the product is caused to be completely immersed in the aqueous solution by the downward pressure of the weight plate 42, thereby ensuring the detection accuracy, then pumping out the gas in the detection tank 3 by the vacuum pump 5 through the connecting pipe 6, so that negative pressure is formed inside the detection tank 3, the pressure inside the product is increased to cause package expansion, if the product has the problem of tightness, gas is discharged to the outside of the package and enters water to generate bubbles, and whether the tightness of the package is good or not can be known by observing the bubbles, the visibility of bubbles is increased by laser irradiation, after the detection is finished, the first motor 10 drives the tray 4 to rotate by using the connecting shaft 9, the product is supported by using the tray 4, so that the product is turned over along with the tray 4, and finally positioned at the upper end of the tray 4, then the electric cylinder 7 pushes the first motor 10 to move upwards, so that the tray 4 moves upwards to reset, and after the recognizer 3 detects that the product exists on the tray 4 for the second time, control second motor 14 and rotate, utilize on second motor 14 dialling material pole 15 will tray 4 on the product stir right side transport mechanism 2, realize the uninstallation to the product, whole process automation degree is high, and detection efficiency is fast.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an automatic change liquid food package detection mechanism, includes support body (1), its characterized in that: the equal swing joint in both sides of support body (1) has transport mechanism (2), two be equipped with between transport mechanism (2) and detect jar (3), and the upper end sliding connection that detects jar (3) has tray (4), it is the clear glass material to detect jar (3), the equal fixedly connected with connecting axle (9) in both ends around tray (4), two the one end swing joint that connecting axle (9) kept away from mutually has first motor (10), spout (8) have all been seted up on both ends upper portion around detecting jar (3), and the equal fixedly connected with electric jar (7) in both ends lower part around detecting jar (3), fixed connection between the telescopic shaft upper end of electric jar (7) and first motor (10), first recess (41) have been seted up to the upper end of tray (4), and the inside swing joint of first recess (41) has counterweight disc (42), fixedly connected with spring (43) between counterweight disc (42) and first recess (41).

2. The automated liquid food package inspection mechanism of claim 1, wherein: second recess (44) have been seted up to the upper end edge of tray (4), and the inside sliding connection of second recess (44) has group material ring (45), it all stretches out second recess (44) and first recess (41) respectively with counterweight plate (42) to dial material ring (45) after tray (4) rotation one hundred eighty degrees, dial the distance of stretching out of material ring (45) and be greater than the distance of stretching out of counterweight plate (42).

3. The automated liquid food product package inspection mechanism of claim 1, wherein: third recess (421) have been seted up to the upper end of counter weight dish (42), and the upper end fixedly connected with elastic membrane (422) of third recess (421), elastic membrane (422) are used for sealing third recess (421), the inside packing of third recess (421) has the colloid.

4. The automated liquid food product package inspection mechanism of claim 1, wherein: the right side lower part swing joint of detecting jar (3) has laser pen (12), the jar seat upper end edge swing joint of electric jar (7) has press switch (11), and electric connection between press switch (11) and laser pen (12).

5. The automated liquid food product package inspection mechanism of claim 1, wherein: the weight plate (42) is completely immersed in the aqueous solution in the detection tank (3) after falling down, and the liquid level of the aqueous solution cannot exceed the chute (8) after the weight plate (42) is immersed in the aqueous solution.

6. The automated liquid food product package inspection mechanism of claim 2, wherein: dial material ring (45) and be transparent material, the gravity of counter weight dish (42) is greater than the elasticity of spring (43), its surface flushes with tray (4) behind counter weight dish (42) push down spring (43).

7. The automated liquid food product package inspection mechanism of claim 1, wherein: the inner diameter of the lower part of the detection tank (3) is smaller than that of the upper part thereof, and a rubber ring is arranged on the annular side of the tray (4).

8. The automated liquid food package inspection mechanism of claim 1, wherein: detect rear end middle part fixedly connected with water replenishing tank (31) of jar (3), and water replenishing tank's (31) front end bottom and detect and seted up first water inlet (32) between jar (3), the top sliding connection that the rear end inner wall of detecting jar (3) is located first water inlet (32) has sucking disc (33), and second water inlet (34) have been seted up to the lower part of sucking disc (33).

9. The automated liquid food package inspection mechanism of claim 1, wherein: the right side that detects jar (3) is equipped with evacuation pump (5), and evacuation pump (5) and detect fixedly connected with connecting pipe (6) between jar (3), the upper end middle part of support body (1) is close to the position fixedly connected with recognizer (13) of rear end, the upper end middle part front end position fixedly connected with second motor (14) of support body (1), and the output shaft left side fixedly connected with of second motor (14) dials material pole (15).

10. The automated liquid food product package inspection mechanism of claim 9, wherein: the connecting part of the connecting pipe (6) and the detection tank (3) is positioned between the tray (4) and the liquid level of the aqueous solution in the detection tank (3).