CN219134644U - Vacuum packaging machine - Google Patents

Abstract

The utility model relates to the technical field of food packaging, in particular to a vacuum packaging machine, which comprises a vacuum box and a box cover, wherein a fixed table and an air pump are arranged in the vacuum box, and the vacuum packaging machine also comprises a sealing strip movably arranged on the vacuum box, the fixed table is provided with a fixed strip, the sealing strip is provided with a conductive block, and the box cover is provided with a pushing piece; the extrusion plate is movably arranged on the side wall of the vacuum box and is elastically connected with the vacuum box, and a limiting block is arranged on the extrusion plate; the fixing frame is movably arranged on the vacuum box, the sliding block switch is movably arranged on the side wall of the vacuum box, the sliding block switch is provided with a first conductive groove and a second conductive groove, and the sliding block switch is connected with the vacuum box through a fourth elastic piece and is electrically connected with the air pump; the pressure sensor is arranged on the fixed table, a timer is arranged on the fixed table, and the cover opening controller is arranged on the vacuum box. The utility model automatically detects the condition of the packaging bag in the vacuum packaging process, and effectively solves the problem that the damage of the packaging bag is not found in time, which leads to the deterioration of the food in the later period.

Description

Vacuum packaging machine

Technical Field

The utility model relates to the technical field of food packaging, in particular to a vacuum packaging machine.

Background

The vacuum packaging machine can automatically extract the air in the packaging bag, and the sealing process is completed after the preset vacuum degree is reached. Nitrogen or other mixed gas may be further charged, and then the sealing process may be completed. Vacuum packaging machines are often used in the food industry because the food is resistant to oxidation after vacuum packaging, thereby achieving long-term storage.

In the production packaging process of fish or meat products, the interior of a packaging bag of the fish or meat products is vacuumized through a vacuum machine, so that the products are effectively isolated from oxygen, the meat is prevented from spoiling in a short time, and the storage timeliness is improved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a vacuum packaging machine which can effectively solve the problems that the prior art cannot automatically detect the tightness and breakage of a packaging bag before packaging, so that the meat quality after packaging is spoiled.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a vacuum packaging machine, which comprises a vacuum box and a box cover rotatably arranged on the vacuum box, wherein a fixed table and an air pump are arranged in the vacuum box, and the vacuum packaging machine further comprises:

the sealing strip is movably arranged on the vacuum box and is elastically connected with the vacuum box, a fixing strip matched with the sealing strip is arranged on the fixing table, conductive blocks are arranged on two sides, close to the side wall of the vacuum box, of the sealing strip, and a pushing piece is arranged on the box cover;

the extrusion plate is movably arranged on the side wall of the vacuum box and positioned at the opposite side of the fixed table, the extrusion plate is elastically connected with the vacuum box, and a limiting block is arranged on the extrusion plate;

the fixing frame is vertically and slidably arranged on the vacuum box, a limiting table is arranged on the fixing frame and is attached to the limiting block, the thickness of the fixing frame is smaller than that of the limiting table, the thickness difference between the fixing frame and the limiting table is larger than or equal to that of the limiting block, and an elastic piece III is vertically arranged between the fixing frame and the vacuum box;

the sliding block switch is movably arranged on the side wall of the vacuum box and positioned between the sealing strip and the fixing frame, the sliding block switch is provided with a first conductive groove and a second conductive groove, and the sliding block switch is connected with the vacuum box through a fourth elastic piece and is electrically connected with the air pump;

the pressure sensor is arranged on the fixed table, a timer is arranged on the fixed table, the vacuum box is provided with a cover opening controller, and the pressure sensor is respectively in communication connection with the timer and the cover opening controller.

Further, a trapezoid groove is formed in one side, close to the fixing strip, of the sealing strip, and the inlet size of the trapezoid groove is larger than that of the fixing strip.

Further, the sealing strip is vertically connected with the vacuum box in a sliding mode through the sliding block, and an elastic piece I is arranged between the top of the sliding block and the vacuum box.

Further, the first conductive groove and the second conductive groove on the sliding block switch are obliquely arranged, the inlet of the first conductive groove faces the sealing strip, the inlet of the second conductive groove faces the fixing strip, and the inlet sizes of the first conductive groove and the second conductive groove are larger than the size of the conductive block.

Further, a guide rod for guiding the extrusion plate to move towards the pressure sensor is arranged on the vacuum box, and an elastic piece II is arranged between the guide rod and the extrusion plate.

Further, the vacuum box is provided with a push pin which is movably installed, and the push pin is in communication connection with the cover opening controller.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: the sealing strip is matched with the fixing strip to seal the packaging bag filled with gas, the extruding plate is started to extrude the packaging bag, the pressure sensor and the timer are matched to judge whether the packaging bag is good or not, the first conducting groove and the second conducting groove on the conducting block and the sliding block switch are matched, the packaging bag is inflated and pumped according to the condition of the packaging bag, the cover opening controller is matched to automatically open the packaging bag when the packaging bag is damaged, workers are reminded to replace the packaging bag, the packaging bag for packaging food can be automatically detected in the vacuumizing process, and the problem that the packaging damage is not found timely to cause later-period food spoilage is effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic diagram of a slider switch according to the present utility model;

FIG. 5 is an enlarged view at B in FIG. 2;

fig. 6 is a schematic structural view of the fixing frame of the present utility model when the limiting block is separated from the limiting table.

Reference numerals in the drawings represent respectively: 100. a vacuum box; 101. an air pump; 110. a fixed table; 120. a sealing strip; 121. a fixing strip; 122. a slide block; 123. an elastic piece I; 124. a conductive block; 130. an extrusion plate; 131. a guide rod; 132. an elastic piece II; 133. a limiting block; 140. a fixing frame; 141. a limiting table; 142. an elastic member III; 150. a slider switch; 151. a first conductive groove; 152. a second conductive groove; 153. a fourth elastic member; 160. a pressure sensor; 161. a timer; 162. a cover opening controller; 163. pushing pins; 200. a case cover; 201. a pushing member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to examples.

Examples: referring to fig. 1 to 6, the vacuum packaging machine comprises a vacuum box 100 and a box cover 200 rotatably arranged on the vacuum box 100, wherein a fixing table 110 and an air pump 101 are arranged in the vacuum box 100, the fixing table 110 is used for installing components and the air pump 101, the air pump 101 can blow or exhaust air, and the vacuum packaging machine further comprises:

the sealing strip 120 is movably arranged on the vacuum box 100 and is used for compressing and sealing a packaging bag to be sealed, the sealing strip 120 is elastically connected with the vacuum box 100, specifically, the sealing strip 120 is vertically and slidably connected with the vacuum box 100 through a sliding block 122, a fixing strip 121 matched with the sealing strip 120 is arranged on the fixing table 110, so that the sealing strip 120 is propped against the fixing strip 121 to compress the packaging bag after blowing in gas when descending, furthermore, an elastic piece I123 is arranged between the top of the sliding block 122 and the vacuum box 100, the elastic piece I123 positioned at the top of the sliding block 122 can be always positioned above the fixing strip 121 when the sealing strip 120 is not stressed, two sides of the sealing strip 120 close to the side wall of the vacuum box 100 are provided with conductive blocks 124, the conductive blocks 124 on the sealing strip 120 can be used for changing blowing or sucking air of the air pump 101 according to the packaging bag condition, a pushing piece 201 is arranged on the box cover 200, and the pushing piece 201 is used for pushing the sealing strip 120 to descend and be matched with the fixing strip 121; in addition, a trapezoid groove is formed on one side of the sealing strip 120, which is close to the fixing strip 121, and the inlet size of the trapezoid groove is larger than that of the fixing strip 121.

The extrusion plate 130 is movably installed on the side wall of the vacuum box 100 and positioned at the opposite side of the fixed table 110, is used for extruding the packaging bag filled with gas and sealed, the extrusion plate 130 is elastically connected with the vacuum box 100, is used for providing power for extruding the packaging bag, and the extrusion plate 130 is provided with a limiting block 133, which is used for limiting the movement of the extrusion plate 130; the vacuum box 100 is provided with a guide rod 131 for guiding the squeeze plate 130 to move towards the pressure sensor 160, and a second elastic member 132 is disposed between the guide rod 131 and the squeeze plate 130 for preventing the squeeze plate 130 from being separated from the vacuum box 100 when moving.

The fixing frame 140 is vertically and slidably installed on the vacuum box 100, a limiting table 141 is arranged on the fixing frame 140, and the limiting table 141 is attached to the limiting block 133 and is used for limiting the movement of the extrusion plate 130 in an initial position, and referring to fig. 5; the thickness of the fixed frame 140 is smaller than that of the limiting table 141, and the thickness difference between the fixed frame 140 and the limiting table 141 is larger than or equal to that of the limiting block 133; when the fixing frame 140 is pressed down, the limiting table 141 descends and is separated from the limiting block 133, and at this time, the limiting block 133 slides from the gap between the fixing frame 140 and the pressing plate 130, referring to fig. 6; and an elastic piece III 142 is arranged between the fixing frame 140 and the vacuum box 100 and used for resetting when the fixing frame 140 cancels extrusion, when the fixing frame 140 moves, the elastic piece III 142 compresses, and the fixing frame 140 drives the limiting table 141 to move so as to cancel the limitation on the extrusion plate 130, so that the extrusion plate 130 moves towards the pressure sensor 160 under the action of the elastic piece II 132 and extrudes the packaging bag filled with gas.

The sliding block switch 150 is movably mounted on the side wall of the vacuum box 100 and is located between the sealing strip 120 and the fixing frame 140, when the sealing strip 120 descends, the conductive block 124 on the sealing strip 120 slides into the sliding block switch 150 to start the air pump 101 to blow into the packaging bag, when the fact that the packaging bag is not damaged and air leakage is not caused is detected, the conductive block 124 starts the air pump 101 to suck air, the sliding block switch 150 is provided with the first conductive groove 151 and the second conductive groove 152, the sliding block switch 150 is connected with the vacuum box 100 through the fourth elastic piece 153 and is electrically connected with the air pump 101, the first conductive groove 151 is used for starting the air pump 101 to blow into the packaging bag to blow air, and the second conductive groove 152 is used for starting the air pump 101 to suck air.

Specifically, the first conductive groove 151 and the second conductive groove 152 on the slider switch 150 are obliquely arranged, the inlet of the first conductive groove 151 faces the sealing strip 120, the inlet of the second conductive groove 152 faces the fixing strip 121, the inlet sizes of the first conductive groove 151 and the second conductive groove 152 are larger than the size of the conductive block 124, so that the conductive block 124 can be conveniently guided into the slider switch 150, and the obliquely arranged first conductive groove 151 and the second conductive groove 152 are matched with the elastic piece four 153, so that the conductive block 124 on the sealing strip 120 starts different states of the air pump 101 in the descending and ascending processes.

The pressure sensor 160 is arranged on the fixed table 110 and is used for detecting pressure change of the packaging bag, the fixed table 110 is provided with a timer 161 and is used for measuring time, when the data of the pressure sensor 160 is unchanged in unit time, the packaging bag is good, when the data of the pressure sensor 160 is reduced in unit time, the packaging bag is damaged, the vacuum box 100 is provided with a cover opening controller 162, the vacuum box 100 is provided with a push pin 163 which is movably arranged, the push pin 163 is in communication connection with the cover opening controller 162, the pressure sensor 160 is respectively in communication connection with the timer 161 and the cover opening controller 162, and when the packaging bag is detected to be damaged, the cover opening controller 162 is started and pushes the push pin 163 up so as to open the cover 200.

Working principle: placing a packaging bag filled with food into the vacuum box 100, enabling a position to be sealed to pass through the sealing strip 120 and the fixing strip 121, closing the box cover 200, starting the pushing piece 201, pushing the sealing strip 120 to move downwards by the pushing piece 201, driving the conductive block 124 to slide into the conductive groove I151 on the sliding block switch 150 when the sealing strip 120 moves, stretching the elastic piece IV 153, moving the sliding block switch 150, so that starting the air pump 101 to blow into the packaging bag, when the conductive block 124 slides out of the sliding block switch 150, resetting the sliding block switch 150, compressing the sealing strip 120 and the fixing strip 121 to seal the packaging bag, stopping the air pump 101, enabling the sliding block 122 on the sealing strip 120 to push the fixing frame 140, enabling the limiting table 141 on the fixing frame 140 to be separated from the limiting block 133 on the extruding plate 130, enabling the limiting block 133 to slide out of a gap between the fixing frame 140 and the extruding plate 130 under the pushing of the elastic piece II 132, enabling the extruding the packaging bag to be extruded by the extruding plate 130, enabling the pressure sensor 160 on the fixing table 110 to detect pressure and cooperate with the timer 161, and enabling the pressure sensor 160 to be unchanged in unit time, so that when the packaging bag, and, in, the unit, the packaging, and, when, the unit, the packaging, is intact, and the damage, when, is, the data, is shown; after detecting that the installation bag is intact, the cover opening controller 162 is unchanged, the pushing piece 201 is retracted, the sealing strip 120 rebounds under the action of the first elastic piece 123, and simultaneously when the conductive block 124 slides into the second conductive groove 152 on the slide block switch 150, the air pump 101 is started to pump air out of the packaging bag and seal edges, when detecting that the installation bag is damaged, the air pump 101 cannot be started only when the conductive block 124 slides into the second conductive groove 152 on the slide block switch 150, and at the moment, the cover opening controller 162 is started and jacks up the box cover 200 through the push pin 163, and the packaging bag is replaced to perform vacuumizing operation again.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a vacuum packaging machine, includes vacuum box (100) and rotates case lid (200) of setting on vacuum box (100), be equipped with fixed station (110) and air pump (101) its characterized in that in vacuum box (100) still includes:

the sealing strip (120) is movably arranged on the vacuum box (100), the sealing strip (120) is elastically connected with the vacuum box (100), a fixing strip (121) matched with the sealing strip (120) is arranged on the fixing table (110), conductive blocks (124) are arranged on two sides, close to the side wall of the vacuum box (100), of the sealing strip (120), and a pushing piece (201) is arranged on the box cover (200);

the extrusion plate (130) is movably arranged on the side wall of the vacuum box (100) and positioned at the opposite side of the fixed table (110), the extrusion plate (130) is elastically connected with the vacuum box (100), and the extrusion plate (130) is provided with a limiting block (133);

the fixing frame (140) is vertically and slidably arranged on the vacuum box (100), a limiting table (141) is arranged on the fixing frame (140), the limiting table (141) is attached to the limiting block (133), the thickness of the fixing frame (140) is smaller than that of the limiting table (141), the thickness difference between the fixing frame (140) and the limiting table (141) is larger than or equal to that of the limiting block (133), and an elastic piece III (142) is vertically arranged between the fixing frame (140) and the vacuum box (100);

the sliding block switch (150) is movably arranged on the side wall of the vacuum box (100) and positioned between the sealing strip (120) and the fixing frame (140), the sliding block switch (150) is provided with a first conductive groove (151) and a second conductive groove (152), and the sliding block switch (150) is connected with the vacuum box (100) through a fourth elastic piece (153) and is electrically connected with the air pump (101);

the pressure sensor (160) is arranged on the fixed table (110), a timer (161) is arranged on the fixed table (110), the vacuum box (100) is provided with a cover opening controller (162), and the pressure sensor (160) is respectively in communication connection with the timer (161) and the cover opening controller (162).

2. A vacuum packaging machine according to claim 1, characterized in that the sealing strip (120) is provided with a trapezoidal groove on the side close to the fixing strip (121), and the inlet size of the trapezoidal groove is larger than the size of the fixing strip (121).

3. A vacuum packaging machine according to claim 1, characterized in that the sealing strip (120) is vertically slidably connected to the vacuum box (100) by means of a slider (122), and that an elastic member (123) is arranged between the top of the slider (122) and the vacuum box (100).

4. The vacuum packaging machine according to claim 1, wherein the first conductive groove (151) and the second conductive groove (152) on the slider switch (150) are arranged in an inclined manner, the inlet of the first conductive groove (151) faces the sealing strip (120), the inlet of the second conductive groove (152) faces the fixing strip (121), and the inlet sizes of the first conductive groove (151) and the second conductive groove (152) are larger than the size of the conductive block (124).

5. A vacuum packaging machine according to claim 1, characterized in that the vacuum box (100) is provided with a guide rod (131) for guiding the squeeze plate (130) to move towards the pressure sensor (160), and that a second elastic member (132) is provided between the guide rod (131) and the squeeze plate (130).

6. A vacuum packaging machine according to claim 1, characterized in that the vacuum box (100) is provided with movably mounted push pins (163), and that the push pins (163) are in communication with the lid opening controller (162).

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