Functional food sealing machine

Abstract

The utility model relates to the technical field of sealing machines, in particular to a functional food sealing machine which can automatically vacuumize a food bag, inflate protective gas into the food bag and seal the food bag, and is diversified in function and good in practicability. Comprising a conveying belt, a thermoplastic assembly and a cutting assembly. The fixed clamping plate is installed on the moving mechanism, the fixed end of the first push cylinder is connected with the movable clamping plate, a piston rod of the first push cylinder is connected with the fixed clamping plate, the multiple needle heads are inserted into the movable clamping plate in a sliding mode, and the movable clamping plate is installed on the movable clamping plate. A plurality of opposite avoiding notches are formed in the lower portions of the opposite faces of the fixed clamping plate and the movable clamping plate, the notches avoid the inner ends of the needles respectively, the notches are provided with openings in the lower ends of the fixed clamping plate and the movable clamping plate, the fixed ends of the second push cylinders are connected with the needles respectively, and piston rods of the second push cylinders are connected with the movable clamping plate. The thermoplastic assembly is located below the rear side of the fixed clamping plate, and the cut-off assembly is located between the thermoplastic assembly and the fixed clamping plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing machine, in particular to a functional food sealing machine. BACKGROUND

[0002] Food sealing machine is the mechanical that fills food bag with food and seals it. The prior art discloses a variety of sealing machines, for example, a kind of food sealing machine is proposed in the Chinese adaptation new type patent with the publication number CN221585995U, the sealing machine is provided with corresponding structure such as clamping seat, when realizing the sealing of food bag by pressing seal group, the positioning pressing plate in clamping seat and the supporting plate will mutually cooperate and realize the clamping of one end of food bag in advance, and when seal group restores, positioning pressing plate will automatically cancel the clamping of food bag after seal group restores to certain position, so cooperation can avoid the situation that food bag adheres and follows seal group to rise and fall after seal group restores, prevent the deformation of packaged food due to falling, and lower food quality.

[0003] But the above-mentioned sealing machine can only seal food bag, and the function is single, and it is not convenient to vacuumize food bag, and it is not convenient to adjust protective gas in food bag, to increase the shelf life and taste nutrition of functional food, and the function is poor. CONTENT OF UTILITY MODEL

[0004] To solve the above technical problem, the utility model provides a kind of functional food sealing machine that can automatically vacuumize food bag and fill protective gas and seal, and the function is various, and the practicability is good.

[0005] The utility model discloses a functional food sealing machine, including conveyer belt, thermoplastic component and cutting assembly, and the conveyer belt is used for conveying food bag, and the thermoplastic component is used for heat sealing of packing bag, and the cutting assembly is used for cutting packing bag seal, still include moving mechanism, fixed clamping plate, movable clamping plate, push cylinder no. one, a plurality of needle and a plurality of push cylinder no. two, and the moving mechanism is located the outside of conveyer belt, and the fixed clamping plate is installed on moving mechanism, and the movable clamping plate is opposite to fixed clamping plate arrangement, and the fixed end of push cylinder no. one is connected with movable clamping plate, and the piston rod of push cylinder no. one is connected with fixed clamping plate, a plurality of needle are slidably inserted in movable clamping plate, and the inner end of a plurality of needle is provided with bevel, and the lower part of the opposite surface of fixed clamping plate and movable clamping plate is provided with a plurality of opposite avoidance notches, a plurality of notches avoid the inner end of a plurality of needle respectively, and a plurality of notches are provided with opening in the lower end of fixed clamping plate and movable clamping plate, and the fixed end of a plurality of push cylinder no. two is connected with a plurality of needle respectively, and the piston rod of a plurality of push cylinder no. two is connected with movable clamping plate, and fixed clamping plate and movable clamping plate are located the top of conveyer belt, and the thermoplastic component is located the rear side below of fixed clamping plate and movable clamping plate, and the cutting assembly is located between thermoplastic component and fixed clamping plate, one needle is connected with air extractor, and other a plurality of needles are connected with protective gas system, when working, conveyer belt transports the food bag of functional food to the rear, and makes the opening of food bag face upwards, when the opening of food bag moves to between fixed clamping plate and movable clamping plate, the piston rod of push cylinder no. one contracts and drives movable clamping plate to approach fixed clamping plate, so that movable clamping plate and fixed clamping plate seal and clamp the opening of food bag, moving mechanism drives fixed clamping plate and movable clamping plate to move to the rear and separate from conveyer belt, and reaches the top of thermoplastic component, so that the upper end of food bag extends into thermoplastic component, the piston rod of a plurality of push cylinder no. two contracts and pushes a plurality of needles to the notch between movable clamping plate and fixed clamping plate, so that the inner end bevel of a plurality of needles pierces the upper end of food bag, so that the bevel of a plurality of needles extends into food bag, the air extractor extracts the air in food bag through one needle, and different protective gas is input into food bag through other a plurality of needles, the thermoplastic component moves and seals the part of food bag below fixed clamping plate and movable clamping plate, and the cutting assembly moves and cuts the part of food bag between fixed clamping plate and movable clamping plate and thermoplastic component, the thermoplastic component releases the food bag after sealing, and the automatic sealing of food bag is completed, compared with prior art, not only can avoid food bag falling, but also can automatically vacuumize and fill protective gas and seal food bag, and the utility model discloses a plurality of functions, and practicality is good.

[0006] Preferably, it further includes two sealing rings, and the sealing rings are symmetrically installed on the opposite surfaces of the fixed clamping plate and the movable clamping plate.

[0007] Preferably, it further includes a plurality of electromagnetic valves, and the electromagnetic valves are respectively installed on the outer ends of the needles.

[0008] Preferably, the plurality of baffles are installed on the conveying belt in two rows; the two rows of baffles on the conveying belt clamp the food bag so that the food bag remains in a vertical state, avoids leakage of the functional food in the food bag, and facilitates the upper opening of the food bag to enter between the fixed clamp plate and the movable clamp plate, facilitating subsequent sealing.

[0009] Preferably, the moving mechanism comprises two upright columns, two light shafts, a sliding table, a lead screw and a servo motor, the two ends of the two light shafts are respectively connected with the upper ends of the two upright columns, the two light shafts are parallel, the sliding table is slidingly installed on the two light shafts, the lead screw is rotatably installed on the two upright columns, the lead screw is drivingly connected with the sliding table through a lead screw nut, the fixed clamp plate is installed on the sliding table, the servo motor is installed on the upright column, and an output shaft of the servo motor is drivingly connected with the lead screw; the servo motor drives the lead screw to rotate, the lead screw drives the sliding table to move along the two light shafts through the lead screw nut, and the sliding table drives the fixed clamp plate and the movable clamp plate to move, and the moving effect is stable.

[0010] Preferably, the thermoplastic assembly comprises a crossbar, a fixed heat sealing plate, a movable heat sealing plate, a spring, a motor base, a speed reducer, a driving shaft and a cam, the crossbar is installed on one upright column, the crossbar is horizontally arranged, the crossbar is located at the rear of the conveying belt, the rear end of the fixed heat sealing plate is fixedly installed in the inner end of the crossbar, the rear end of the movable heat sealing plate is slidingly installed in the middle of the crossbar, the two ends of the spring are respectively connected with the fixed heat sealing plate and the movable heat sealing plate, the opposite surfaces of the fixed heat sealing plate and the movable heat sealing plate are provided with heaters, the motor base is fixedly installed at the outer end of the crossbar, the speed reducer is installed on the motor base, the driving shaft is rotatably installed on the motor base, an output shaft of the speed reducer is drivingly connected with the driving shaft, the cam is installed on the driving shaft, the outer surface of the cam is in rolling contact with the outer end surface of the movable heat sealing plate, and the fixed heat sealing plate and the movable heat sealing plate are respectively located below the fixed clamp plate and the movable clamp plate; when the fixed clamp plate and the movable clamp plate clamp the food bag and move to above the fixed heat sealing plate and the movable heat sealing plate, the upper part of the food bag extends between the fixed heat sealing plate and the movable heat sealing plate, the speed reducer drives the driving shaft and the cam to rotate, the protruding part of the cam presses the movable heat sealing plate towards the fixed heat sealing plate, so that the movable heat sealing plate and the fixed heat sealing plate clamp the two sides of the food bag, the heaters of the fixed heat sealing plate and the movable heat sealing plate heat the fixed heat sealing plate and the movable heat sealing plate, the food bag is thermoplastically sealed, the cutting assembly cuts off the opening of the food bag, the speed reducer drives the driving shaft and the cam to continue rotating, so that the protruding part of the cam is separated from the movable heat sealing plate, the elastic force of the spring pushes the movable heat sealing plate outward along the sealing ring, so that the movable heat sealing plate is separated from the fixed heat sealing plate, and the food bag is released, the sealing efficiency is high, and the practicability is good.

[0011] Preferably, the cutting assembly comprises a push cylinder three and a blade, the piston rod of the push cylinder three is connected with the fixed heat sealing plate, the blade is installed on the fixed end of the push cylinder three, and the blade is located above the inner side of the fixed heat sealing plate; after the fixed heat sealing plate and the movable heat sealing plate thermoplastically seal the food bag, the piston rod of the push cylinder three is retracted to push the blade between the fixed heat sealing plate and the movable heat sealing plate, so that the cutting edge of the blade cuts off the upper part of the seal of the food bag, so that the seal is neat and the sealing quality is improved.

[0012] Compared with the prior art, the utility model has the advantages that not only can the food bag be prevented from falling, but also the food bag can be automatically vacuumized and filled with protective gas and sealed, and the utility model has various functions and good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the front view structural schematic diagram of the utility model;

[0015] Figure 3 It is the isometric structural schematic diagram of the utility model;

[0016] Figure 4 It is the structural schematic diagram of the structure such as fixed clamp plate, movable clamp plate, push cylinder one, needle, push cylinder two, sealing ring and electromagnetic valve;

[0017] Figure 5 It is the structural schematic diagram of the structure such as fixed clamp plate, movable clamp plate, push cylinder one, needle, push cylinder two, sealing ring and electromagnetic valve in the exploded state;

[0018] Figure 6 It is the structural schematic diagram of the structure such as thermoplastic assembly and cutting assembly.

[0019] Mark in the drawing: 1, conveying belt; 2, thermoplastic assembly; 3, cutting assembly; 4, moving mechanism; 5, fixed clamp plate; 6, movable clamp plate; 7, push cylinder one; 8, needle; 9, push cylinder two; 10, sealing ring; 11, electromagnetic valve; 12, baffle; 13, stand; 14, optical axis; 15, sliding table; 16, screw rod; 17, servo motor; 18, cross bar; 19, fixed heat sealing plate; 20, movable heat sealing plate; 21, spring; 22, motor base; 23, speed reducer motor; 24, driving shaft; 25, cam; 26, push cylinder three; 27, blade. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] As Figures 1 to 5The utility model discloses a functional food sealing machine, including conveying belt 1, thermoplastic component 2 and cutting assembly 3, conveying belt 1 is used to deliver food bag, thermoplastic component 2 is used to heat seal bag mouth, and cutting assembly 3 is used to cut bag mouth, still including moving mechanism 4, fixed jaw plate 5, movable jaw plate 6, push cylinder one 7, a plurality of needle 8 and a plurality of push cylinder two 9, moving mechanism 4 is located the outside of conveying belt 1, fixed jaw plate 5 is installed on moving mechanism 4, movable jaw plate 6 is arranged opposite fixed jaw plate 5, the fixed end of push cylinder one 7 is connected with movable jaw plate 6, the piston rod of push cylinder one 7 is connected with fixed jaw plate 5, a plurality of needle 8 are slidably inserted in movable jaw plate 6, the inner end of a plurality of needle 8 is provided with bevel, the lower part of the opposite surface of fixed jaw plate 5 and movable jaw plate 6 is provided with a plurality of opposite avoidance notches, and the plurality of notches respectively avoid the inner end of a plurality of needle 8, and a plurality of notches are provided with openings at the lower end of fixed jaw plate 5 and movable jaw plate 6, the fixed end of a plurality of push cylinder two 9 is connected with a plurality of needle 8 respectively, and the piston rod of a plurality of push cylinder two 9 is connected with movable jaw plate 6, fixed jaw plate 5 and movable jaw plate 6 are located the top of conveying belt 1, thermoplastic component 2 is located the rear side below of fixed jaw plate 5, movable jaw plate 6, and cutting assembly 3 is located between thermoplastic component 2 and fixed jaw plate 5, still including two sealing rings 10, and sealing ring 10 is symmetrically installed on the opposite surface of fixed jaw plate 5 and movable jaw plate 6, still including a plurality of electromagnetic valves 11, a plurality of electromagnetic valves 11 are installed on the outer end of needle 8 respectively, still including a plurality of baffle 12, and two rows of baffle 12 are evenly installed on conveying belt 1, moving mechanism 4 includes two uprights 13, two light shafts 14, sliding table 15, screw rod 16 and servo motor 17, and the upper end of two uprights 13 is connected with the two ends of two light shafts 14 respectively, two light shafts 14 are parallel, sliding table 15 is slidably installed on two light shafts 14, screw rod 16 is rotatably installed on two uprights 13, and screw rod 16 is connected with sliding table 15 through screw nut transmission, fixed jaw plate 5 is installed on sliding table 15, and servo motor 17 is installed on upright 13, and the output shaft of servo motor 17 is connected with screw rod 16 transmission.

[0023] One needle 8 is connected with the air extractor, and the other plurality of needles 8 are connected with the protective gas system. During operation, the two rows of baffles 12 on the conveying belt 1 hold the food bag, so that the food bag is kept in a vertical state, avoiding leakage of the functional food in the food bag, and facilitating the rearward conveying of the food bag containing the functional food, so that the upper opening of the food bag enters between the fixed clamp plate 5 and the movable clamp plate 6. When the opening of the food bag moves to between the fixed clamp plate 5 and the movable clamp plate 6, the piston rod of the push cylinder one 7 retracts to drive the movable clamp plate 6 to approach the fixed clamp plate 5, so that the movable clamp plate 6 and the fixed clamp plate 5 seal and clamp the opening of the food bag. The two sealing rings 10 improve the sealing performance of the fixed clamp plate 5 and the movable clamp plate 6 when clamping the food bag. The servo motor 17 drives the lead screw 16 to rotate, and the lead screw 16 drives the sliding table 15 to move along the two guide shafts 14 through the lead screw nut. The sliding table 15 drives the fixed clamp plate 5 and the movable clamp plate 6 to move backward to separate from the conveying belt 1 and reach above the thermoplastic assembly 2, so that the upper end of the food bag extends into the thermoplastic assembly 2. The piston rods of the plurality of push cylinders two 9 retract to push the plurality of needles 8 into the gap between the movable clamp plate 6 and the fixed clamp plate 5, so that the inner end of the plurality of needles 8 pierces the upper end of the food bag, and the plurality of needles 8 extend into the food bag. The corresponding plurality of electromagnetic valves 11 are opened or closed, so that the air extractor extracts the air in the food bag through one needle 8 and inputs different protective gases into the food bag through the other plurality of needles 8. The thermoplastic assembly 2 seals the part of the food bag below the fixed clamp plate 5 and the movable clamp plate 6 by action, and the cutting assembly 3 cuts the part of the food bag between the fixed clamp plate 5 and the movable clamp plate 6 and the thermoplastic assembly 2 by action. The thermoplastic assembly 2 releases the sealed food bag, and the automatic sealing of the food bag is completed. Compared with the prior art, the food bag can be automatically vacuumized and filled with protective gas and sealed, and the functions are diversified.

[0024] Example 2

[0025] As Figures 1 to 3 , Figure 6As shown, on the basis of the embodiment 1, the hot plastic assembly 2 includes a crossbar 18, a fixed heat sealing plate 19, a movable heat sealing plate 20, a spring 21, a motor base 22, a speed reduction motor 23, a driving shaft 24 and a cam 25, the crossbar 18 is installed on a stand 13, the crossbar 18 is horizontally arranged, the crossbar 18 is located behind the conveying belt 1, the rear end of the fixed heat sealing plate 19 is fixedly installed in the inner end of the crossbar 18, the rear end of the movable heat sealing plate 20 is slidingly installed in the middle part of the crossbar 18, the two ends of the spring 21 are respectively connected to the fixed heat sealing plate 19 and the movable heat sealing plate 20, the opposite faces of the fixed heat sealing plate 19 and the movable heat sealing plate 20 are provided with heaters, the motor base 22 is fixedly installed on the outer end of the crossbar 18, the speed reduction motor 23 is installed on the motor base 22, the driving shaft 24 is rotatably installed on the motor base 22, the output shaft of the speed reduction motor 23 is in transmission connection with the driving shaft 24, the cam 25 is installed on the driving shaft 24, the outer wheel surface of the cam 25 is in rolling contact with the outer end surface of the movable heat sealing plate 20, and the fixed heat sealing plate 19 and the movable heat sealing plate 20 are respectively located below the fixed clamping plate 5 and the movable clamping plate 6; the cutting assembly 3 includes a push cylinder three 26 and a blade 27, the piston rod of the push cylinder three 26 is connected to the fixed heat sealing plate 19, and the blade 27 is installed on the fixed end of the push cylinder three 26 and located above the inner side of the fixed heat sealing plate 19.

[0026] When the fixed clamping plate 5 and the movable clamping plate 6 clamp the food bag and move to above the fixed heat sealing plate 19 and the movable heat sealing plate 20, the upper part of the food bag extends between the fixed heat sealing plate 19 and the movable heat sealing plate 20, the speed reduction motor 23 drives the driving shaft 24 and the cam 25 to rotate, the protruding part of the cam 25 presses the movable heat sealing plate 20 towards the fixed heat sealing plate 19, so that the movable heat sealing plate 20 and the fixed heat sealing plate 19 clamp the two sides of the food bag, the heaters of the fixed heat sealing plate 19 and the movable heat sealing plate 20 heat the fixed heat sealing plate 19 and the movable heat sealing plate 20, the food bag is hot plastic sealed, the piston rod of the push cylinder three 26 is retracted to push the blade 27 towards between the fixed heat sealing plate 19 and the movable heat sealing plate 20, so that the cutting edge of the blade 27 cuts the upper part of the seal of the food bag, so that the seal is neat, the speed reduction motor 23 drives the driving shaft 24 and the cam 25 to continue rotating, so that the protruding part of the cam 25 is separated from the movable heat sealing plate 20, the elastic force of the spring 21 pushes the movable heat sealing plate 20 outwards along the sealing ring 10, so that the movable heat sealing plate 20 is separated from the fixed heat sealing plate 19, and the food bag is released, and the seal efficiency is high.

[0027] As Figures 1 to 6As shown, the functional food sealing machine of the utility model, in working, first, the conveying belt 1 cooperates with multiple baffles 12 to convey the food bag with functional food backward, and the opening of the food bag faces upward, when the opening of the food bag moves to between the fixed clamp plate 5 and the movable clamp plate 6, the piston rod of the push cylinder one 7 retracts to drive the movable clamp plate 6 to approach the fixed clamp plate 5, so that the movable clamp plate 6 and the fixed clamp plate 5 clamp and seal the opening of the food bag, then the servo motor 17 drives the screw rod 16 to rotate, the screw rod 16 drives the sliding table 15 to move along the two optical shafts 14 through the screw nut, the sliding table 15 drives the fixed clamp plate 5 and the movable clamp plate 6 to move backward and separate from the conveying belt 1, the upper part of the food bag extends into between the fixed heat sealing plate 19 and the movable heat sealing plate 20, the piston rod of multiple push cylinders two 9 retracts to push multiple needle heads 8 to the notch between the movable clamp plate 6 and the fixed clamp plate 5, so that the inner end inclined blade of multiple needle heads 8 pierces the upper end of the food bag, so that the inclined blade of multiple needle heads 8 extends into the food bag, then the air extractor extracts the air in the food bag through one needle head 8, and inputs different protective gases into the food bag through other multiple needle heads 8, the reduction motor 23 drives the driving shaft 24 and the cam 25 to rotate, the protruding part of the cam 25 presses the movable heat sealing plate 20 to the fixed heat sealing plate 19, so that the movable heat sealing plate 20 and the fixed heat sealing plate 19 clamp the two sides of the food bag, the heater of the fixed heat sealing plate 19 and the movable heat sealing plate 20 heats the fixed heat sealing plate 19 and the movable heat sealing plate 20, and the food bag is heat plastic sealed, finally, the piston rod of the push cylinder three 26 retracts to push the blade 27 to between the fixed heat sealing plate 19 and the movable heat sealing plate 20, so that the blade 27 cuts off the upper part of the sealing of the food bag, the reduction motor 23 drives the driving shaft 24 and the cam 25 to continue to rotate, so that the protruding part of the cam 25 is separated from the movable heat sealing plate 20, the elastic force of the spring 21 pushes the movable heat sealing plate 20 outward along the sealing ring 10, so that the movable heat sealing plate 20 is separated from the fixed heat sealing plate 19, and the food bag is released.

[0028] The main functions realized by the utility model are:

[0029] 1. The food bag can be automatically vacuumized, filled with protective gas and sealed, and the functions are various;

[0030] 2. The food bag can be automatically heat plastic sealed, and the food bag is automatically released;

[0031] 3. The sealing of the food bag can be cut off, and the sealing is neat.

[0032] The functional food sealing machine is provided with a conveying belt 1, a thermoplastic component 2, a cutting component 3, a moving mechanism 4, a push cylinder 7, a needle 8, a push cylinder 9, a sealing ring 10, a solenoid valve 11, a light shaft 14, a sliding table 15, a lead screw 16, a servo motor 17, a cross rod 18, a fixed heat sealing plate 19, a movable heat sealing plate 20, a spring 21, a speed reducer 23, a driving shaft 24 and a cam 25, and the moving mechanism 4 is connected with the conveying belt 1, the thermoplastic component 2, the cutting component 3, the push cylinder 7, the needle 8, the push cylinder 9, the sealing ring 10, the solenoid valve 11, the light shaft 14, the sliding table 15, the lead screw 16, the servo motor 17, the cross rod 18, the fixed heat sealing plate 19, the movable heat sealing plate 20, the spring 21, the speed reducer 23, the driving shaft 24 and the cam 25.

[0033] All the technical and scientific terms used in the present application have the same meaning as that commonly understood by the technical personnel in the technical field to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0034] The above is only the preferred embodiment of the present application, and it should be pointed out that for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A functional food sealing machine comprising a conveying belt (1) for conveying food bags, a thermoplastic assembly (2) for heat sealing the bags, and a cutting assembly (3) for cutting the seals of the bags; characterized in that, It also includes a moving mechanism (4), a fixed clamping plate (5), a movable clamping plate (6), a push cylinder one (7), a plurality of needle heads (8) and a plurality of push cylinders two (9), the moving mechanism (4) is located outside the conveying belt (1), the fixed clamping plate (5) is installed on the moving mechanism (4), the movable clamping plate (6) is arranged opposite to the fixed clamping plate (5), the fixed end of the push cylinder one (7) is connected with the movable clamping plate (6), the piston rod of the push cylinder one (7) is connected with the fixed clamping plate (5), the plurality of needle heads (8) are slidingly installed on the movable clamping plate (6), the inner end of the plurality of needle heads (8) is provided with a bevel, the lower part of the opposite surface of the fixed clamping plate (5) and the movable clamping plate (6) is provided with a plurality of opposite avoiding slots, the plurality of slots respectively avoid the inner end of the plurality of needle heads (8), the plurality of slots are provided with openings at the lower end of the fixed clamping plate (5) and the movable clamping plate (6), the fixed end of the plurality of push cylinders two (9) is respectively connected with the plurality of needle heads (8), the piston rod of the plurality of push cylinders two (9) is connected with the movable clamping plate (6), the fixed clamping plate (5) and the movable clamping plate (6) are located above the conveying belt (1), the thermoplastic assembly (2) is located below the rear side of the fixed clamping plate (5) and the movable clamping plate (6), and the cutting assembly (3) is located between the thermoplastic assembly (2) and the fixed clamping plate (5).

2. A functional food sealer as claimed in claim 1, wherein It also includes two sealing rings (10), the sealing rings (10) are symmetrically installed on the opposite surfaces of the fixed clamping plate (5) and the movable clamping plate (6).

3. A functional food sealer as claimed in claim 1, wherein, It also includes a plurality of electromagnetic valves (11), and the plurality of electromagnetic valves (11) are respectively installed on the outer ends of the needle heads (8).

4. A functional food sealer as claimed in claim 1, wherein, It also includes a plurality of baffles (12), and two rows of baffles (12) are uniformly installed on the conveying belt (1).

5. A functional food sealer as defined in claim 1, wherein The moving mechanism (4) includes two upright columns (13), two optical shafts (14), a sliding table (15), a lead screw (16) and a servo motor (17), the two ends of the two optical shafts (14) are respectively connected with the upper ends of the two upright columns (13), the two optical shafts (14) are parallel, the sliding table (15) is slidingly installed on the two optical shafts (14), the lead screw (16) is rotatably installed on the two upright columns (13), the lead screw (16) is drivingly connected with the sliding table (15) through a lead screw nut, the fixed clamping plate (5) is installed on the sliding table (15), the servo motor (17) is installed on the upright column (13), and the output shaft of the servo motor (17) is drivingly connected with the lead screw (16).

6. A functional food sealer as claimed in claim 5, wherein, The thermoplastic assembly (2) comprises a crossbar (18), a fixed heat sealing plate (19), a movable heat sealing plate (20), a spring (21), a motor base (22), a speed reduction motor (23), a driving shaft (24) and a cam (25), the crossbar (18) is installed on a stand (13), the crossbar (18) is horizontally arranged, the crossbar (18) is located behind the conveying belt (1), the rear end of the fixed heat sealing plate (19) is fixedly installed at the inner end of the crossbar (18), the rear end of the movable heat sealing plate (20) is slidingly installed at the middle part of the crossbar (18), the two ends of the spring (21) are connected with the fixed heat sealing plate (19) and the movable heat sealing plate (20) respectively, the opposite surfaces of the fixed heat sealing plate (19) and the movable heat sealing plate (20) are provided with heaters, the motor base (22) is fixedly installed at the outer end of the crossbar (18), the speed reduction motor (23) is installed on the motor base (22), the driving shaft (24) is rotatably installed on the motor base (22), the output shaft of the speed reduction motor (23) is in transmission connection with the driving shaft (24), the cam (25) is installed on the driving shaft (24), the outer wheel surface of the cam (25) is in rolling contact with the outer end surface of the movable heat sealing plate (20), and the fixed heat sealing plate (19) and the movable heat sealing plate (20) are located below the fixed clamping plate (5) and the movable clamping plate (6) respectively.

7. A functional food sealer as claimed in claim 6, wherein, The cutting assembly (3) comprises a push cylinder three (26) and a blade (27), the piston rod of the push cylinder three (26) is connected with the fixed heat sealing plate (19), the blade (27) is installed on the fixed end of the push cylinder three (26), and the blade (27) is located above the inner side of the fixed heat sealing plate (19).

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