CN215323695U

CN215323695U - Opening device of film packaging machine

Info

Publication number: CN215323695U
Application number: CN202121603533.0U
Authority: CN
Inventors: 张契卿; 张玉青; 张燕青; 赵国强; 王才令
Original assignee: Shanghai Yongqing Environmental Protection New Material Co ltd
Current assignee: Shanghai Yongqing Environmental Protection New Material Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-28
Anticipated expiration: 2031-07-14

Abstract

The utility model provides an opening device of a film packaging machine, which comprises a rectangular front frame and a rectangular rear frame, wherein a first roller is arranged between the left upper corners of the front frame and the rear frame, and the other three corners of the front frame and the rear frame are connected through cross rods; the middle parts of the front frame and the rear frame are respectively connected with vertical rods, and two vertical rods are respectively provided with a film grabbing assembly moving up and down along the vertical rods; the front frame and the rear frame are provided with a cutting device, a heat sealing device and a bag mouth sucking device from top to bottom, the cutting device is used for separating films, the heat sealing device is used for heat sealing a bag mouth, and the bag mouth sucking device is used for sucking and opening the bag mouth. The utility model is provided with the film grabbing component, the cutting device, the heat sealing device and the bag mouth sucking device which work in a matching way, the process is smooth and continuous, manual operation is not needed, and time and labor are saved.

Description

Opening device of film packaging machine

Technical Field

The utility model belongs to the field of packaging equipment, and particularly relates to an opening device of a film packaging machine.

Background

A lot of current commodities all need the tectorial membrane, and the wrapping bag can be opened through the manual work, then packs into the product in the wrapping bag of opening, and at the production line encapsulation, the wrapping bag after the encapsulation just can make things convenient for the transportation of product. However, the conventional methods for opening the packaging bags are all that the packaging bags are manually opened, the manual opening of the packaging bags is low in efficiency, the whole packaging process is slowed down, the bag openings for opening the packaging bags are too small to facilitate the product filling, the bag openings are too large, more manpower and time cost are required to be consumed, and the efficiency is not improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the opening device of the film packaging machine, which completely gets rid of the manual work and realizes the full-automatic film opening.

The technical scheme for solving the technical problems is as follows: the opening device of the film packaging machine comprises a rectangular front frame and a rectangular rear frame, wherein a first roller is arranged between the front frame and the upper left corner of the rear frame, and the other three corners of the front frame and the rear frame are connected through cross rods; a second roller wheel parallel to the cross rod is connected between the top of the front frame and the top of the rear frame, a film bypasses the first roller wheel and the second roller wheel to vertically and downwards transmit, vertical rods are respectively connected to the middle parts of the front frame and the rear frame, and membrane grabbing assemblies moving up and down along the vertical rods are respectively arranged on the two vertical rods; a cutting device, a heat sealing device and a bag mouth sucking device are arranged on the front frame and the rear frame from top to bottom; the cutting device comprises a left cutting device and a right cutting device which are symmetrical, the left cutting device comprises a first fixing plate fixed on the left sides of the front frame and the rear frame, a first air cylinder which points to the film vertically is fixed on the first fixing plate, and the first air cylinder is connected with a cutting knife which is parallel to the cross rod through a telescopic rod; the heat sealing device comprises a left heat sealing device and a right heat sealing device which are symmetrical, the left heat sealing device comprises a second fixing plate fixed on the left sides of the front frame and the rear frame, a second air cylinder which points to the film vertically is fixed on the second fixing plate, and the second air cylinder is connected with a heating rod which is parallel to the cross rod through a telescopic rod; inhale sack device and inhale the sack device on the right side including the left side of symmetry, a left side is inhaled the sack device and is including fixing preceding frame with the left third fixed plate of after-frame, be fixed with perpendicular orientation on the third fixed plate the third cylinder of film, the third cylinder be connected with one through the telescopic link with the parallel vertical vacuum of horizontal pole inhales the gas board.

The film grabbing device is further arranged in such a way that the tops of the two vertical rods are connected with a cross beam, the film grabbing component comprises a n-shaped lifting plate positioned below the cross beam, a lifting driving device is connected between the middle of the lifting plate and the cross beam, and two ends of the lower part of the lifting plate are respectively connected with a clamping jaw component used for grabbing the edge of a film.

The utility model is further set that the clamping jaw assembly comprises a connecting block, a bottom plate and two clamping jaws, the connecting block is fixed at the lower end part of the lifting plate, the bottom plate is connected to the connecting block, a clamping jaw cylinder is fixed on the bottom plate, the clamping jaw cylinder is connected with a deformation block through a telescopic rod, a V-shaped groove pointing to the film is formed in the deformation block, and guide grooves perpendicular to the telescopic direction of the clamping jaw cylinder are formed in the bottom plates on two sides of the deformation block; the clamping jaw comprises a left clamping jaw and a right clamping jaw which are symmetrical, the left clamping jaw comprises a push rod and a clamping rod which are vertically connected through a first part, the bottom of the first part is embedded in the guide groove, and a second part embedded in the V-shaped groove is arranged at the free end of the inner side of the push rod.

The utility model is further provided that the lifting drive device is a screw drive device.

The film support comprises two upright posts positioned on the left sides of the front frame and the rear frame and a film reel connected to the upright posts, and the film reel is positioned on the left side of the first roller and is parallel to the first roller.

The utility model is provided with a membrane grasping assembly, a cutting device, a heat sealing device and a bag mouth sucking device. The film grabbing component grabs the edges of the two sides of the film and pulls downwards, the vacuum suction plates clamp the film, the film grabbing component ascends to the upper portion of the cutting device and clamps the film at the position, the heating rod clamps the film and carries out heat sealing, the film is cut by the cutting knife, and the bag openings facing downwards are opened by the vacuum suction plates at the two sides. The working process is smooth and continuous, manual operation is not needed, and time and labor are saved.

Drawings

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

FIG. 2 is a schematic structural view of a lifting plate and a connecting block;

FIG. 3 is a schematic top view of the jaw assembly;

fig. 4 is a schematic structural diagram of a film.

Wherein, 1, a front frame; 2. a rear frame; 3. a first roller; 4. a second roller; 5. a cross bar; 6. a vertical rod; 7. a cutting device; 8. a heat sealing device; 9. a suction bag opening device; 10. a first fixing plate; 11. a first cylinder; 12. cutting; 13. a second fixing plate; 14. a second cylinder; 15. a heating rod; 16. a third fixing plate; 17. a third cylinder; 18. a vacuum suction plate; 19. a cross beam; 20. a lifting plate; 21. connecting blocks; 22. a base plate; 23. a clamping jaw cylinder; 24. a deformation block; 25. a V-shaped groove; 26. a guide groove; 27. a push rod; 28. a clamping bar; 29. a first member; 30. a second component; 31. a column; 32. a film roll.

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.

The utility model provides an opening device of a film packaging machine, which is taken as an embodiment of the utility model and is shown in figure 1, and comprises a front frame 1 and a rear frame 2 which are rectangular, wherein a first roller 3 is arranged between the left upper corners of the front frame 1 and the rear frame 2, and the other three corners of the front frame 1 and the rear frame 2 are connected through a cross bar 5. The middle of the top of the front frame 1 and the middle of the top of the rear frame 2 are connected with second rollers 4 parallel to the cross rod 5, the thin film bypasses the first rollers 3 and the second rollers 4 to vertically drive downwards, the middle parts of the front frame 1 and the rear frame 2 are respectively connected with vertical rods 6, and two vertical rods 6 are respectively provided with a film grabbing component moving up and down along the vertical rods 6.

Wherein, a cutting device 7, a heat sealing device 8 and a bag suction opening device 9 are arranged on the front frame 1 and the rear frame 2 from top to bottom. The cutting device 7 comprises a left cutting device 7 and a right cutting device 7 which are symmetrical, the left cutting device 7 comprises a first fixing plate 10 fixed on the left sides of the front frame 1 and the rear frame 2, a first air cylinder 11 which points to the film vertically is fixed on the first fixing plate 10, and the first air cylinder 11 is connected with a cutting knife 12 which is parallel to the cross rod 5 through a telescopic rod. The heat sealing device 8 comprises a left heat sealing device 8 and a right heat sealing device 8 which are symmetrical, the left heat sealing device 8 comprises a second fixing plate 13 fixed on the left sides of the front frame 1 and the rear frame 2, a second air cylinder 14 which points to the film vertically is fixed on the second fixing plate 13, and the second air cylinder 14 is connected with a heating rod 15 which is parallel to the cross rod 5 through an expansion rod. Inhale sack device 9 and inhale sack device 9 including the left side of symmetry, the left side is inhaled sack device 9 and is including fixing at the left third fixed plate 16 of preceding frame 1 and rear frame 2, is fixed with the third cylinder 17 of vertical directional film on the third fixed plate 16, and third cylinder 17 is connected with a vertical vacuum suction plate 18 parallel with horizontal pole 5 through the telescopic link, and the external air exhaust system of vacuum suction plate 18. Referring to fig. 4, the film is shown in an opened state in which the top and bottom surfaces of the film are attached to each other when not opened, and vacuum suction plates 18 are provided to act on the top and bottom surfaces of the film, respectively.

When the embodiment works, firstly, the film grabbing component grabs the two side edges of the film and pulls the two side edges downwards to the lower part of the vacuum suction plate 18, the vacuum suction plate 18 clamps the film in the middle, and the film grabbing component ascends to the upper part of the cutting device 7 and clamps the film at the position. Then, the heating rods 15 on both sides of the heat sealing device 8 are clamped by the stretching action of the first air cylinder 11 to heat seal the middle films together. The knife 12 is then tightened under the action of the extension of the second cylinder 14 and severs the film at a location above the heat seal. Finally, the vacuum suction plates 18 on both sides open the downward bag opening under the retraction of the third air cylinder 17.

Specifically, the tops of the two vertical rods 6 are connected with a cross beam 19, the film grabbing component comprises an n-shaped lifting plate 20 located below the cross beam 19, a lifting driving device (the lifting driving device is not drawn in the attached drawing) is connected between the middle of the lifting plate 20 and the cross beam 19, the lifting driving device can use a screw rod driving device and the like, and two ends of the lower portion of the lifting plate 20 are respectively connected with a clamping jaw component used for grabbing the edge of the film.

Further, referring to fig. 3, which is a top view of the clamping jaw assembly, the clamping jaw assembly includes a connecting block 21, a bottom plate 22 and two clamping jaws, the connecting block 21 is fixed at the lower end of the lifting plate 20, the bottom plate 22 is connected to the connecting block 21, a clamping jaw cylinder 23 is fixed on the bottom plate 22, the clamping jaw cylinder 23 is connected to a deformation block 24 through a telescopic rod, a V-shaped groove 25 pointing to a film is formed on the deformation block 24, and guide grooves 26 perpendicular to the telescopic direction of the clamping jaw cylinder 23 are formed on the bottom plates 22 at two sides of the deformation block 24. The clamping jaw comprises a left clamping jaw and a right clamping jaw which are symmetrical and are respectively positioned on two side edges of the film, the left clamping jaw comprises a push rod 27 and a clamping rod 28 which are vertically connected through a first part 29, the bottom of the first part 29 is embedded in a guide groove 26, and the free end of the inner side of the push rod 27 is provided with a second part 30 embedded in a V-shaped groove 25. The film edge is positioned between the two clamping rods 28, the deformation block 24 is pushed out by the clamping jaw assembly under the pushing action of the clamping jaw air cylinder 23, the two first components 29 move close to each other in the V-shaped groove 25, the two second components 30 move close to each other in the guide groove 26, the distance between the two clamping rods 28 is reduced, and finally the film is clamped. Conversely, the retraction of the gripper assembly by the gripper cylinder 23 draws the deformation block 24 closer, the two first parts 29 moving away in the V-shaped groove 25, the two second parts 30 moving away in the guide groove 26, the distance between the two clamping bars 28 increasing, releasing the film.

As another embodiment, the present invention further comprises a film support, referring to fig. 1, the film support comprises two uprights 31 positioned at the left side of the front frame 1 and the rear frame 2, and a film roll 32 connected to the uprights 31, the film roll 32 being positioned at the left side of the first roller 3 and being parallel to the first roller 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The opening device of the film packaging machine is characterized by comprising a rectangular front frame and a rectangular rear frame, wherein a first roller is arranged between the front frame and the upper left corner of the rear frame, and the other three corners of the front frame and the rear frame are connected through cross rods; a second roller wheel parallel to the cross rod is connected between the top of the front frame and the top of the rear frame, a film bypasses the first roller wheel and the second roller wheel to vertically and downwards transmit, vertical rods are respectively connected to the middle parts of the front frame and the rear frame, and membrane grabbing assemblies moving up and down along the vertical rods are respectively arranged on the two vertical rods; a cutting device, a heat sealing device and a bag mouth sucking device are arranged on the front frame and the rear frame from top to bottom; the cutting device comprises a left cutting device and a right cutting device which are symmetrical, the left cutting device comprises a first fixing plate fixed on the left sides of the front frame and the rear frame, a first air cylinder which points to the film vertically is fixed on the first fixing plate, and the first air cylinder is connected with a cutting knife which is parallel to the cross rod through a telescopic rod; the heat sealing device comprises a left heat sealing device and a right heat sealing device which are symmetrical, the left heat sealing device comprises a second fixing plate fixed on the left sides of the front frame and the rear frame, a second air cylinder which points to the film vertically is fixed on the second fixing plate, and the second air cylinder is connected with a heating rod which is parallel to the cross rod through a telescopic rod; inhale sack device and inhale the sack device on the right side including the left side of symmetry, a left side is inhaled the sack device and is including fixing preceding frame with the left third fixed plate of after-frame, be fixed with perpendicular orientation on the third fixed plate the third cylinder of film, the third cylinder be connected with one through the telescopic link with the parallel vertical vacuum of horizontal pole inhales the gas board.

2. The opening device as claimed in claim 1, wherein a cross beam is connected to the top of each of the two vertical rods, the film-grasping assembly comprises a pi-shaped lifting plate located below the cross beam, a lifting driving device is connected between the middle of the lifting plate and the cross beam, and two clamping jaw assemblies for grasping the edge of the film are respectively connected to two ends of the lower portion of the lifting plate.

3. The opening device according to claim 2, wherein the clamping jaw assembly comprises a connecting block, a bottom plate and two clamping jaws, the connecting block is fixed at the lower end of the lifting plate, the bottom plate is connected to the connecting block, a clamping jaw cylinder is fixed on the bottom plate, the clamping jaw cylinder is connected with a deformation block through a telescopic rod, a V-shaped groove pointing to the film is formed in the deformation block, and guide grooves perpendicular to the telescopic direction of the clamping jaw cylinder are formed in the bottom plate on two sides of the deformation block; the clamping jaw comprises a left clamping jaw and a right clamping jaw which are symmetrical, the left clamping jaw comprises a push rod and a clamping rod which are vertically connected through a first part, the bottom of the first part is embedded in the guide groove, and a second part embedded in the V-shaped groove is arranged at the free end of the inner side of the push rod.

4. The opening device of claim 2, wherein the lift drive is a lead screw drive.

5. The opening device of any one of claims 1 to 4, further comprising a film support, the film support comprising two posts located on a left side of the front frame and the rear frame and a film roll attached to the posts, the film roll located on a left side of and parallel to the first roller.