Food packaging bag sealing device

Abstract

The utility model discloses a food packaging bag sealing device. The food packaging bag sealing device comprises conveying equipment and sealing equipment used in cooperation with the conveying equipment. A plurality of sets of limiting units are evenly arranged on the conveying equipment, the sealing equipment is arranged on the conveying equipment and comprises a motor, an eccentric wheel is arranged at the output end of the motor, and a sealing assembly moving up and down is arranged below the eccentric wheel. A rotating wheel making contact with the eccentric wheel is arranged at the top of the sealing assembly, and a heating piece is arranged at the bottom of the sealing assembly and matched with a limiting unit below to complete sealing. Through cooperation of the sealing device and the conveying device, food packaging bags are placed in the limiting units of the sealing device and sequentially conveyed to the position below the sealing device, the sealing device drives the eccentric wheel to rotate through the motor, and the eccentric wheel drives the sealing assembly to heat and seal the food packaging bags below the sealing assembly in the process of moving up and down. And therefore, continuous sealing processing of the food packaging bags is achieved, and the sealing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated food processing technical field, specifically related to a food packaging bag sealing device. BACKGROUND

[0002] At present, the sealing machine is widely used for the sealing of bagged food, and in the food processing field, especially in the process of continuous development and growth of prefabrication industry, food packaging is a process that cannot be avoided in prefabricated food processing. After the prefabricated food processing is completed, the food is usually vacuum packaged and sealed, and then the vacuum packaged product is further externally secondarily packaged. The outer packaging bag does not require high vacuum degree, so it can be packaged by ordinary sealing.

[0003] The existing sealing device mostly adopts manual single sealing, cannot realize continuous automatic sealing by equipment, and the sealing efficiency is generally low. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned deficiencies existing in the prior art, the utility model aims at providing a food packaging bag sealing device, which solves the problems in the prior art

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A food packaging bag sealing device, comprising a conveying device and a sealing device used in cooperation with the conveying device, a plurality of sets of limiting units are uniformly arranged on the conveying device, the sealing device is arranged on the conveying device, and the sealing device comprises a motor, an eccentric wheel is arranged at the output end of the motor, an upper and lower movable sealing assembly is arranged below the eccentric wheel, a rotating wheel in contact with the eccentric wheel is arranged at the top of the sealing assembly, and a heating element is arranged at the bottom of the sealing assembly and cooperates with the limiting unit below to complete the sealing.

[0007] By the cooperation of the sealing device and the conveying device, the food packaging bag is placed in the limiting unit of the sealing device and is sequentially sent to the lower part of the sealing device. The sealing device drives the eccentric wheel to rotate by the rotation of the motor, and the eccentric wheel drives the sealing assembly to move up and down, thereby completing the heating and sealing of the food packaging bag below, and the continuous sealing processing of the food packaging bag is realized, and the sealing efficiency is improved.

[0008] Preferably, the limiting unit is composed of two limiting blocks, a limiting groove for placing the packaging bag is formed in the middle part, and the interval distance between the adjacent two sets of limiting units is greater than the width of the limiting groove.

[0009] The food packaging bag is placed in the limiting groove, the rear end abuts against the limiting block at the rear end, and the sealing end is placed on the limiting block at the front end, the sealing is realized through cooperation of the limiting block at the front end and the heating piece, and the interval distance between the two adjacent limiting units is greater than the width of the limiting groove, so that the food packaging bag can be distinguished during manual placement, and misplacement is avoided.

[0010] Preferably, the heating piece moves downward to cooperate with the limiting block below to seal the packaging bag.

[0011] Preferably, the heating piece is electrically heated by an external power supply, and a slot is arranged in the middle of the lower end of the heating piece to form a double heating part at the end.

[0012] The double heating part design can not only improve the sealing quality of the food packaging bag, but also reduce the area of the contact part, thereby shortening the sealing time.

[0013] Preferably, a predetermined positioning piece made of soft material is arranged on one side of the heating piece, and the lower end of the predetermined positioning piece is lower than the lower end of the heating piece.

[0014] The predetermined positioning piece is arranged to contact the food packaging bag at the sealing position when the heating piece moves downward, so that the sealing position can be pre-positioned, thereby improving the sealing efficiency, and the predetermined positioning piece made of soft material will not affect the continuous downward movement of the heating piece after pre-positioning.

[0015] Preferably, the sealing device further comprises a mounting plate, the lower end of the mounting plate is fixedly arranged on the conveying device, and the motor is fixedly arranged on the top of the mounting plate.

[0016] The sealing assembly further comprises a mounting piece and a movable rod, the mounting piece is fixed to the mounting plate, the movable rod passes through the mounting piece up and down, and the movable rod can move up and down, the lower end of the movable rod is provided with a connecting block, the heating piece and the predetermined positioning piece are arranged on the connecting block, and the upper end of the movable rod is rotationally connected to the rotating wheel.

[0017] The mounting piece supports the movable rod and the heating piece below while ensuring that the movable rod and the heating piece move up and down within a certain range, the movable rod and the heating piece move up and down through rotation of the motor and the eccentric wheel, and the food packaging bag below is continuously sealed.

[0018] Preferably, the middle part of the mounting piece is provided with a square hole, the upper and lower positions of the square hole are provided with movable holes, the movable hole at the lower end is expanded outward and downward to form a mounting groove, the movable rod passes through the movable hole and the square hole, the middle part of the movable rod is provided with a first limiting part and a second limiting part, and the first limiting part and the second limiting part are located in the square hole, a spring is sleeved on the movable rod, and the spring is located in the mounting groove, the lower end abuts against the bottom of the mounting groove, and the upper end abuts against the first limiting part.

[0019] With the above structure design, the first limiting part and the spring can realize the up-down movement of the movable rod within a certain range.

[0020] Preferably, the outer side wall of the square hole is provided with a long hole, the second limiting part is provided with a limiting rod, and the free end of the limiting rod is located in the long hole.

[0021] With the above structure design, the movable rod will not rotate during the up-down movement, thereby avoiding the deviation of the sealing position and improving the sealing quality.

[0022] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses a sealing equipment and a conveying equipment are cooperated, food packaging bags are placed in the limiting unit of the sealing equipment, and are sent to the lower side of the sealing equipment in sequence, the sealing equipment drives the eccentric wheel rotation through the rotation of the motor, the eccentric wheel drives the up-down movement of the sealing assembly, and the food packaging bags below are sealed by heating, thereby realizing the continuous sealing processing of the food packaging bags, and improving the sealing efficiency.

[0024] 2. The lower end of the heating piece is designed as a double heating part, and the double sealing is completed at one time during sealing, so that the sealing quality of the food packaging bag can be improved, the area of the contact part can be reduced, and the sealing time can be shortened. DETAILED DESCRIPTION

[0025] Figure 1 It is a structural schematic view of the utility model;

[0026] Figure 2 It is Figure 1 It is an enlarged view of A in the middle part;

[0027] Figure 3 It is Figure 2 It is a structural schematic view of the heating piece.

[0028] In the drawing:

[0029] The conveying device 1, the limiting unit 1a, the limiting block 11a, the limiting groove 12a, the conveying frame 1b, the conveying motor 1c, the chain 1d, the conveying belt 1e, the sealing device 2, the motor 2a, the eccentric wheel 2b, the sealing assembly 2c, the heating piece 21c, the slot 22c, the pre-positioning piece 23c, the mounting piece 24c, the square hole 241c, the movable hole 242c, the long hole 243c, the movable rod 25c, the first limiting part 251c, the second limiting part 252c, the connecting block 26c, the spring 27c, the limiting rod 28c, the rotating wheel 2d, and the mounting plate 2e. DETAILED DESCRIPTION

[0030] To make the technical content, structural features, purposes and effects of the present application clear, the following will be described in detail in combination with the embodiments and the accompanying drawings.

[0031] The technical solutions of the present application will be described clearly and completely in combination with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] Please refer to Figure 1 and Figure 2 A food packaging bag sealing device, comprising a conveying device 1 and a sealing device 2 used in cooperation with the conveying device 1, the conveying device 1 is uniformly provided with a plurality of limiting units 1a, which are used to place food packaging bags and limit their positions to ensure their accurate positions during sealing. The sealing device 2 is arranged on the conveying device 1, and the sealing device 2 comprises a motor 2a, the output end of the motor 2a is provided with an eccentric wheel 2b, the lower side of the eccentric wheel 2b is provided with a sealing assembly 2c which moves up and down, the top of the sealing assembly 2c is provided with a rotating wheel 2d which contacts the eccentric wheel 2b, and the bottom of the sealing assembly 2c is provided with a heating piece 21c which cooperates with the limiting unit 1a below to complete the sealing.

[0033] Please continue to refer to Figure 1The conveying device 1 comprises a conveying frame 1b, both ends of the conveying frame 1b are provided with conveying rollers, a conveying motor 1c is arranged on the conveying frame 1b and is connected and drives the conveying rollers through a chain 1d, and a conveying belt 1e is sleeved on the conveying rollers. The above structure of the conveying device 1 belongs to the prior art and will not be repeated here. The limiting units 1a are uniformly arranged on the conveying belt 1e, the limiting unit 1a is composed of two limiting blocks 11a, a limiting groove 12a for placing a packaging bag is formed in the middle, and the interval distance between the adjacent two groups of limiting units 1a is greater than the width of the limiting groove 12a, thereby facilitating the differentiation of the limiting groove 12a and preventing the incorrect placement of the operator, thereby preventing the problem of not being able to seal. Among them, the heating element 21c moves downward and cooperates with the lower limiting block 11a to seal the packaging bag, the limiting block 11a is made of metal material, when the heating element 21c moves downward, the heating element 21c and the limiting block 11a clamp and heat the sealing position of the placed food packaging bag to realize heat sealing. Among them, in this embodiment, the conveying device 1 adopts intermittent motion, the front ends of the two limiting units 1a are used for abutting and cooperating limiting blocks 11a, the distance between adjacent limiting blocks 11a is equal to the circumference of the eccentric wheel 2b, when the eccentric wheel 2b rotates one circle, the next sealing position on the limiting unit 1a is corresponded, thereby realizing precise sealing, which belongs to the conventional technology and will not be repeated here.

[0034] Please refer to Figure 3 The heating element 21c is externally connected to a power supply for electric heating, and a slot 22c is arranged in the middle of the lower end of the heating element 21c to form double heating parts at the end. The heating element 21c is provided with a positioning element 23c made of soft material on one side, and the lower end of the positioning element 23c is lower than the lower end of the heating element 21c, thereby ensuring that the positioning element 23c contacts the food packaging bag first and fixes it.

[0035] Please refer to Figure 1 and Figure 2The sealing device 2 further comprises a mounting plate 2e, the lower end of the mounting plate 2e is fixedly arranged on the conveying device 1, and the motor 2a is fixedly arranged on the top of the mounting plate 2e. The sealing assembly 2c further comprises a mounting piece 24c and a movable rod 25c, and the mounting piece 24c is fixed on the mounting plate 2e. The movable rod 25c passes through the mounting piece 24c up and down, and the movable rod 25c can move up and down, the lower end of the movable rod 25c is provided with a connecting block 26c, the connecting block 26c is provided with the heating piece 21c and the pre-positioning piece 23c, and the upper end of the movable rod 25c is rotationally connected with the rotating wheel 2d. The middle part of the mounting piece 24c is provided with a square hole 241c, the square hole 241c is provided with movable holes 242c at the upper and lower positions, the movable hole 242c at the lower end is expanded outwardly and downwardly to form a mounting groove, the movable rod 25c passes through the movable hole 242c and the square hole 241c, the middle part of the movable rod 25c is provided with a first limiting part 251c and a second limiting part 252c, the first limiting part 251c and the second limiting part 252c are located in the square hole 241c, a spring 27c is sleeved on the movable rod 25c, the spring 27c is located in the mounting groove, the lower end of the spring 27c abuts against the bottom of the mounting groove, and the upper end of the spring 27c abuts against the first limiting part 251c.

[0036] Further, the outer side wall of the square hole 241c is provided with a long strip hole 243c, the second limiting part 252c is provided with a limiting rod 28c, and the free end of the limiting rod 28c is located in the long strip hole 243c, so that the rotation of the sealing assembly 2c during the up-and-down movement of the sealing assembly 2c can be prevented.

[0037] The working principle of the utility model is as follows:

[0038] When the prepackaged food needs to be sealed by the outer packaging bag, first, the device is started, and the food packaging bags are manually arranged in the limiting grooves 12a respectively, the rear end of the packaging bag abuts against the rear end limiting block 11a of the limiting groove 12a, and the front end of the packaging bag to be sealed is placed on the limiting block 11a at the front end, and a plurality of packaging bags can be placed in the same limiting groove 12a. Then, the transmission motor 1c is driven to drive the transmission belt 1e to move, and the movement of one limiting unit 1a is stopped, at this time, the limiting block 11a in front of the limiting unit 1a is located directly below the heating element 21c. At the same time, the motor 2a rotates to drive the eccentric wheel 2b to rotate, when the abutting movable rod 25c of the eccentric wheel 2b moves downward and compresses the spring 27c, the predetermined positioning element 23c first contacts the packaging bag and prepositions the packaging bag, when the movable rod 25c continues to move downward to the lowest position, the heating element 21c cooperates with the limiting block 11a to complete the sealing of the packaging bag. When the sealing is completed, the eccentric wheel 2b continues to rotate, at this time, the spring 27c abuts against the movable rod 25c upward to move upward and make the upper rotating wheel 2d always contact with the eccentric wheel 2b, the heating element 21c is separated from the packaging bag, and at the same time, the transmission belt 1e moves to the next limiting unit 1a located below the sealing device 2. The sealing is completed in turn, and the packaging bag sealed is sent into the next process with the transmission belt.

[0039] According to the disclosure and teaching of the above description, the skilled in the art of the present application can also change and modify the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should also fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. A food packaging bag sealing device characterized by comprising: The application relates to a packaging bag sealing device, which comprises a conveying device (1) and a sealing device (2) used in cooperation with the conveying device (1), a plurality of groups of limiting units (1a) are uniformly arranged on the conveying device (1), the sealing device (2) is arranged on the conveying device (1), and the sealing device (2) comprises a motor (2a), an eccentric wheel (2b) is arranged at the output end of the motor (2a), a sealing assembly (2c) movably up and down is arranged below the eccentric wheel (2b), a rotating wheel (2d) in contact with the eccentric wheel (2b) is arranged at the top of the sealing assembly (2c), and a heating element (21c) is arranged at the bottom of the sealing assembly (2c) and cooperates with the limiting unit (1a) below to complete sealing.

2. A food packaging bag sealing apparatus as claimed in claim 1, wherein The limiting unit (1a) is composed of two limiting blocks (11a), a limiting groove (12a) for placing a packaging bag is formed in the middle, and the interval distance between two adjacent groups of limiting units (1a) is greater than the width of the limiting groove (12a).

3. A food packaging bag sealing apparatus as claimed in claim 2, wherein The heating element (21c) moves downward and cooperates with the limiting block (11a) below to seal the packaging bag.

4. A food packaging bag sealing apparatus as defined in claim 1, wherein The heating element (21c) is electrically heated by an external power supply, and a slot (22c) is arranged in the middle of the lower end of the heating element (21c) to form double heating portions at the end.

5. A food packaging bag sealing apparatus as defined in claim 1, wherein A predetermined positioning element (23c) made of soft material is arranged on one side of the heating element (21c), and the lower end of the predetermined positioning element (23c) is lower than the lower end of the heating element (21c).

6. A food packaging bag sealing apparatus as claimed in claim 5, wherein The sealing device (2) further comprises a mounting plate (2e), the lower end of the mounting plate (2e) is fixedly arranged on the conveying device (1), and the motor (2a) is fixedly arranged on the top of the mounting plate (2e). The sealing assembly (2c) further comprises a mounting element (24c) and a movable rod (25c), the mounting element (24c) is fixed on the mounting plate (2e), the movable rod (25c) passes through the mounting element (24c) up and down, the movable rod (25c) can move up and down, the lower end of the movable rod (25c) is provided with a connecting block (26c), the heating element (21c) and the predetermined positioning element (23c) are arranged on the connecting block (26c), and the upper end of the movable rod (25c) is rotationally connected with the rotating wheel (2d).

7. A food packaging bag sealing apparatus as claimed in claim 6, wherein A square hole (241c) is formed in the middle of the mounting element (24c), movable holes (242c) are formed above and below the square hole (241c), the movable hole (242c) at the lower end is expanded outward and downward to form a mounting groove, the movable rod (25c) passes through the movable hole (242c) and the square hole (241c), the middle of the movable rod (25c) is provided with a first limiting portion (251c) and a second limiting portion (252c), the first limiting portion (251c) and the second limiting portion (252c) are located in the square hole (241c), a spring (27c) is sleeved on the movable rod (25c), the spring (27c) is located in the mounting groove, the lower end of the spring (27c) abuts against the bottom of the mounting groove, and the upper end of the spring (27c) abuts against the first limiting portion (251c).

8. A food packaging bag sealing apparatus as claimed in claim 7, wherein The outer side wall of the square hole (241c) is provided with a long hole (243c), the second limiting part (252c) is provided with a limiting rod (28c), and the free end of the limiting rod (28c) is located in the long hole (243c).

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