CN215476156U

CN215476156U - Food packaging machinery draws membrane packing to use heat-seal shutdown mechanism

Info

Publication number: CN215476156U
Application number: CN202120982093.8U
Authority: CN
Inventors: 全锦光; 成永军
Original assignee: Foshan Jinghai Intelligent Mechanical Equipment Co ltd
Current assignee: Foshan Jinghai Intelligent Mechanical Equipment Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-11
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to the technical field of food packaging equipment, in particular to a heat-seal cutting mechanism for stretch film packaging of a food packaging machine, which comprises a pressing mechanism, a heat-seal assembly and a stretch film assembly, wherein the pressing mechanism comprises a vertical plate, the right side of the vertical plate is provided with the heat-seal assembly, the left side of the vertical plate is provided with the stretch film assembly, the lower part of the vertical plate is connected with the heat-seal cutting assembly, the heat-seal cutting assembly comprises a supporting plate, the lower part of the supporting plate is connected with a main shaft, the outer part of the main shaft is connected with a cam, the right side of the cam is connected with a traction assembly, the right side of the traction assembly is connected with an adjusting assembly, and the inner part of the adjusting assembly is provided with a first heat-seal cutter and a second heat-seal cutter. According to the utility model, through the two-side wafer type heat sealing, the heat sealing attractiveness of the packaging bag can be ensured, a large number of folds caused by heat sealing inclination can be avoided, and meanwhile, the heat sealing cutting frequency can be matched with the film drawing speed.

Description

Food packaging machinery draws membrane packing to use heat-seal shutdown mechanism

Technical Field

The utility model relates to the technical field of food packaging equipment, in particular to a heat-sealing cutting mechanism for film-drawing packaging of a food packaging machine.

Background

Food packaging is a component of food commodities, one of main projects in the food industry process, and most of bagged food packaging adopts a full-automatic film-drawing packaging machine to realize packaging of food, and can automatically complete all production processes of feeding, metering, filling and bag making, heat-sealing and cutting, date printing and product output, wherein the heat-sealing and cutting have important influence on packaging and forming of food bags.

Present food packaging machinery is with heat-seal shutdown mechanism all adopts the mode realization that the cylinder unilateral promoted to food package bag heat-seal shutdown processing, in the use, and the heat-seal frequency needs to adjust alone, its pull-down speed that can't follow the wrapping bag and draw the membrane is adjusted the heat-seal frequency, current heat-seal processing simultaneously adopts the mode realization that the cylinder unilateral promoted to draw the membrane wrapping bag to cut off the heat-seal of membrane wrapping bag, its unilateral promotes, when carrying out the wrapping bag heat-seal, lead to easily drawing the membrane wrapping bag to appear deformation, thereby influence food package's pleasing to the eye, consequently need to design a food packaging machinery draws membrane packing to use heat-seal shutdown mechanism to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat-sealing cutting mechanism for stretch film packaging of a food packaging machine, which aims to solve the problems that the heat-sealing frequency cannot be changed along with the change of a stretch film, and the single-side heat-sealing cutting is easy to cause the wrinkles of a packaging bag, thereby influencing the beauty of food packaging.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a food packaging machinery draws membrane packing to use heat-seal shutdown mechanism, includes pressing mechanism, heat-seal subassembly and draws the membrane subassembly, pressing mechanism includes the riser, the right side of riser is provided with the heat-seal subassembly, the left side of riser is provided with draws the membrane subassembly, the top of riser is run through there is the material pipe, the below of riser is connected with the heat-seal and cuts off the subassembly, the heat-seal cuts off the subassembly and includes the backup pad, the below of backup pad is connected with the main shaft, the external connection of main shaft has the cam, the right side of cam is connected with pulls the subassembly, the right side of pulling the subassembly is connected with adjusting part, adjusting part's inside is provided with first heat-seal sword and second heat-seal sword.

Preferably, the outer portion of the main shaft is connected with a driving shaft of the film drawing assembly through a belt pulley transmission mechanism, a tensioner is arranged above the belt pulley transmission mechanism, and ball bearings are sleeved at two ends of the main shaft.

Preferably, the traction assembly comprises a guide wheel, the right side of the guide wheel is connected with a connecting groove, the right side of the connecting groove is connected with a movable column, the outer portion of the movable column is connected with a spring, the right side of the movable column is connected with a second heat sealing cutter, a limiting plate is arranged on the outer portion of the movable column, a guide column penetrates through the inner portion of the limiting plate, and a mounting plate is connected to the outer portion of the limiting plate.

Preferably, the guide pulley is the contact with the cam and is connected, the guide pulley is through rotating round pin and spread groove and be rotated and be connected, the activity post runs through the center at the limiting plate, the diameter of spring is greater than the external diameter of activity post, and the external diameter of spring is less than the external diameter of spread groove, the mounting panel is in the left side of shell.

Preferably, the adjusting component comprises a shell, a rotating shaft is connected to the inside of the shell, a gear is connected to the outside of the rotating shaft, a first rack is connected to the upper portion of the gear, and a second rack is connected to the lower portion of the gear.

Preferably, the first heat-sealing knife and the second heat-sealing knife are in sliding connection with the housing, the gear is in rotating connection with the inner cavity of the housing through a rotating shaft, the first rack is in meshing connection with the gear, the first racks are arranged at two ends of the second heat-sealing knife, the second racks are arranged at two ends of the first heat-sealing knife, and the first racks and the second racks are both located in the inner cavity of the housing.

Compared with the prior art, the utility model has the beneficial effects that: this heat-seal cutting device passes through both sides wafer formula heat-seal, can guarantee the aesthetic property of wrapping bag heat-seal, avoids appearing the heat-seal slope and a large amount of folds appear, and heat-seal cut-off frequency can mutually support with drawing membrane speed simultaneously.

(1) According to the utility model, through the mutual matching of the lines of the gear and the rack, the two heat-sealing blades can work in a split mode, and further, when the heat-sealing cutting of the film-drawing packaging bag is carried out, the heat-sealing cutting of the packaging bag can be realized in a mode of simultaneous extrusion at two sides, so that the attractiveness of the cutting of the packaging bag is ensured, and the phenomenon that the packaging bag is inclined or excessively wrinkled due to single-side extrusion is avoided, thereby affecting the attractiveness of the packaging bag.

(2) According to the utility model, the main shaft of the heat-seal cutting mechanism and the driving shaft of the film-drawing mechanism are mutually trained, so that the cutting frequency of the lower heat-seal cutting mechanism can be cut along with the film-drawing speed of the packaging bag, the length of the packaging bag cut by heat-seal every time is consistent, and the attractiveness and uniformity of the packaging bag are further improved.

Drawings

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

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic view showing an overall partial structure of the heat-seal cut-off unit according to the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the overall structure of the gear rack connection of the present invention.

In the figure: 1. a pressing mechanism; 11. a vertical plate; 12. a heat seal assembly; 13. drawing the film assembly; 2. heat sealing the cutting assembly; 21. a support plate; 22. a main shaft; 23. a cam; 24. a traction assembly; 241. a guide wheel; 242. connecting grooves; 243. a movable post; 244. a spring; 245. a limiting plate; 246. a guide post; 247. mounting a plate; 25. an adjustment assembly; 251. a housing; 252. a rotating shaft; 253. a gear; 254. a first rack; 255. a second rack; 26. a first heat seal knife; 27. a second heat seal knife; 3. a material pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a food packaging machinery draws membrane packing to use heat-seal shutdown mechanism, includes 1, heat-seal subassembly 12 of pressing means and draws membrane module 13, and 1 of pressing means includes riser 11, and the right side of riser 11 is provided with heat-seal subassembly 12, and the left side of riser 11 is provided with draws membrane module 13, and the top of riser 11 runs through there is material pipe 3, and the below of riser 11 is connected with the heat-seal and cuts off subassembly 2.

The heat-sealing cutting assembly 2 comprises a supporting plate 21, a main shaft 22 is connected to the lower portion of the supporting plate 21, a cam 23 is connected to the outer portion of the main shaft 22, a traction assembly 24 is connected to the right side of the cam 23, an adjusting assembly 25 is connected to the right side of the traction assembly 24, a first heat-sealing knife 26 and a second heat-sealing knife 27 are arranged inside the adjusting assembly 25, the heat-sealing cutting of a packaging film can be achieved through position adjustment of the traction assembly 24 and the adjusting assembly 25 on the first heat-sealing knife 26 and the second heat-sealing knife 27, and therefore packaging of food into bags is achieved.

The outer portion of the main shaft 22 is connected with the driving shaft of the film drawing assembly 13 through a belt pulley transmission mechanism, a tensioner is arranged above the belt pulley transmission mechanism, ball bearings are sleeved at two ends of the main shaft 22, the main shaft 22 and the driving shaft of the film drawing assembly 13 are connected with each other through the belt pulley transmission mechanism, and therefore the heat sealing cutting frequency of the first heat sealing cutter 26 and the heat sealing cutting frequency of the second heat sealing cutter 27 can change along with the film drawing speed change of the film drawing assembly 13, and the length uniformity of the packaging bags is guaranteed.

Traction assembly 24 includes guide pulley 241, the right side of guide pulley 241 is connected with connecting groove 242, the right side of connecting groove 242 is connected with movable post 243, the external connection of movable post 243 has spring 244, the right side of movable post 243 is connected with second sealing knife 27, the outside of movable post 243 is provided with limiting plate 245, limiting plate 245's inside has run through there is guide post 246, the external connection of limiting plate 245 has mounting panel 247, setting through this structure, can realize the position control to second sealing knife 27, through the rotation drive of cam 23 to guide pulley 241, can realize the position removal to movable post 243, and then drive second sealing knife 27 and remove, he passes through the setting of guide post 246 simultaneously, can guarantee the stability that second sealing knife 27 removed.

Guide pulley 241 is the contact with cam 23 and is connected, guide pulley 241 is through rotating the round pin and be connected with the spread groove 242 is rotated, activity post 243 runs through at the center of limiting plate 245, the diameter of spring 244 is greater than the external diameter of activity post 243, and the external diameter of spring 244 is less than the external diameter of spread groove 242, mounting panel 247 is in the left side of shell 251, a position fixing for limiting plate 245, and then can cooperate spring 244 to realize the position control to activity post 243, elastic setting through spring 244, can realize the automatic re-setting to activity post 243.

The adjusting assembly 25 comprises a housing 251, a rotating shaft 252 is connected to the inside of the housing 251, a gear 253 is connected to the outside of the rotating shaft 252, a first rack 254 is connected to the upper side of the gear 253, and a second rack 255 is connected to the lower side of the gear 253, so that the first heat-sealing knife 26 can be driven to move when the second heat-sealing knife 27 moves, and the first heat-sealing knife 26 and the second heat-sealing knife 27 can move synchronously.

The first heat-sealing knife 26 and the second heat-sealing knife 27 are slidably connected with the housing 251, the gear 253 is rotatably connected with the inner cavity of the housing 251 through the rotating shaft 252, the first rack 254 is meshed with the gear 253, the first rack 254 is arranged at two ends of the second heat-sealing knife 27, the second rack 255 is arranged at two ends of the first heat-sealing knife 26, the first rack 254 and the second rack 255 are both positioned in the inner cavity of the housing 251, when the second heat-sealing knife 27 moves rightwards, the first rack 254 can be driven to move rightwards, the gear 253 can rotate, the second rack 255 can be driven to move leftwards, the first heat-sealing knife 26 can be driven to move leftwards, and the first heat-sealing knife 26 and the second heat-sealing knife 27 can be contacted.

The working principle is as follows: when the packaging film heat-sealing device is used, a packaging film is firstly rolled from a material pipe 3, the packaging film is heat-sealed into a cylinder through the heat-sealing assembly 12, the packaging film is pulled down through the film-pulling assembly 13, meanwhile, food is filled from the material pipe 3, the cam 23 can be driven to rotate through the rotation of the driving main shaft 22, the change of the traction assembly 24 can be further realized, the position adjustment of the movable column 243 can be realized, when the movable column 243 moves towards the right side, the second heat-sealing knife 27 can be driven to move towards the right side, the first rack 254 can be driven to move towards the right side, the second rack 255 can be driven to move towards the left side through the arrangement of the gear 253, the first heat-sealing knife 26 can be driven to move towards the left side, the contact between the first heat-sealing knife 26 and the second heat-sealing knife 27 can be realized, and the heat-sealing and the packaging film can be cut off.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a food packaging machinery draws membrane packing to use heat-seal shutdown mechanism, includes pressing mechanism (1), heat-seal subassembly (12) and draws membrane module (13), its characterized in that: the pressing mechanism (1) comprises a vertical plate (11), a heat-sealing assembly (12) is arranged on the right side of the vertical plate (11), a film pulling assembly (13) is arranged on the left side of the vertical plate (11), a material pipe (3) penetrates through the upper portion of the vertical plate (11), a heat-sealing cutting assembly (2) is connected to the lower portion of the vertical plate (11), the heat-sealing cutting assembly (2) comprises a supporting plate (21), a main shaft (22) is connected to the lower portion of the supporting plate (21), a cam (23) is connected to the outer portion of the main shaft (22), a traction assembly (24) is connected to the right side of the cam (23), an adjusting assembly (25) is connected to the right side of the traction assembly (24), and a first heat-sealing knife (26) and a second heat-sealing knife (27) are arranged inside the adjusting assembly (25).

2. The heat-seal cutting mechanism for stretch film packaging of a food packaging machine according to claim 1, wherein: the outside of main shaft (22) sets up through belt pulley drive mechanism and draws the drive shaft interconnect of membrane subassembly (13), and belt pulley drive mechanism top is provided with tensioning ware, ball bearing has all been cup jointed at the both ends of main shaft (22).

3. The heat-seal cutting mechanism for stretch film packaging of a food packaging machine according to claim 1, wherein: the traction assembly (24) comprises a guide wheel (241), the right side of the guide wheel (241) is connected with a connecting groove (242), the right side of the connecting groove (242) is connected with a movable column (243), the outside of the movable column (243) is connected with a spring (244), the right side of the movable column (243) is connected with a second heat sealing knife (27), the outside of the movable column (243) is provided with a limiting plate (245), a guide column (246) penetrates through the inside of the limiting plate (245), and the outside of the limiting plate (245) is connected with a mounting plate (247).

4. A heat-seal cutting mechanism for stretch film packaging of a food packaging machine according to claim 3, wherein: the guide wheel (241) is in contact connection with the cam (23), the guide wheel (241) is in rotation connection with the connecting groove (242) through a rotating pin, the movable column (243) penetrates through the center of the limiting plate (245), the diameter of the spring (244) is larger than that of the movable column (243), the outer diameter of the spring (244) is smaller than that of the connecting groove (242), and the mounting plate (247) is located on the left side of the shell (251).

5. The heat-seal cutting mechanism for stretch film packaging of a food packaging machine according to claim 1, wherein: the adjusting assembly (25) comprises a shell (251), a rotating shaft (252) is connected to the inside of the shell (251), a gear (253) is connected to the outside of the rotating shaft (252), a first rack (254) is connected to the upper portion of the gear (253), and a second rack (255) is connected to the lower portion of the gear (253).

6. The heat-seal cutting mechanism for stretch film packaging of a food packaging machine according to claim 5, wherein: the first heat-sealing knife (26) and the second heat-sealing knife (27) are in sliding connection with the shell (251), the gear (253) is in rotating connection with the inner cavity of the shell (251) through the rotating shaft (252), the first rack (254) is in meshed connection with the gear (253), the first rack (254) is arranged at two ends of the second heat-sealing knife (27), the second rack (255) is arranged at two ends of the first heat-sealing knife (26), and the first rack (254) and the second rack (255) are both located in the inner cavity of the shell (251).