CN211892216U

CN211892216U - Bag bottom closing mechanism for composite bag production

Info

Publication number: CN211892216U
Application number: CN202020355550.6U
Authority: CN
Inventors: 艾武球
Original assignee: Fuzhou Dongxiang Jinfeng Plastic Packaging Co ltd
Current assignee: Fuzhou Dongxiang Jinfeng Plastic Packaging Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-10
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a be used for compound bag production to use bag bottom closing mechanism, which comprises a frame, the top welding of frame has first U type frame, and is two sets of the cylinder body has all been welded at the top of first U type frame, the internally mounted of cylinder body has the spring, the lower extreme of spring is equipped with the limiting plate, the internally mounted of first U type frame has the lower roller that matches with last roller, and is two sets of the welding has the fixed plate between the first U type frame, install hot sword on the output shaft of first cylinder, install with last hot sword assorted lower hot sword at the top of frame. When closed compound bag bottom, pass the compound bag from two sets of roller, lower roller between, then drive by first cylinder and go up hot sword cooperation down the hot sword and carry out the back cover to the compound bag, go up the roller and receive the extrusion force of spring in the cylinder body, be favorable to tightening the compound bag, prevent in the back cover, cause the fold, improve the involution quality.

Description

Bag bottom closing mechanism for composite bag production

Technical Field

The utility model relates to a compound bag production technical field specifically is a be used for compound bag production to close mechanism at bottom of bag.

Background

The composite bag is suitable for vacuum packaging or general packaging of food, electronic products, chemical engineering, medicine, tea, precision instruments and national defense products. In the production process of the composite bag, bottom sealing work is required. According to the difference of selected materials, adopt the mode of sewing up or utilize the hot melt adhesive to glue usually, utilize manual operation to go to realize above-mentioned two kinds of connected modes usually for production efficiency is comparatively lower and product quality is unstable, can cause the fold in the back cover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for compound bag production to pass at bottom of bag closing mechanism, with compound bag from two sets of last rollers, down between the roller, then drive by first cylinder and go up hot sword cooperation down hot sword and carry out the back cover to compound bag, go up the roller and receive the extrusion force of spring in the cylinder body, be favorable to tightening compound bag, prevent in the back cover, cause the fold, improve the involution quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a closed mechanism at bottom of bag for compound bag production, includes the frame, the top welding of frame has first U type frame, and is two sets of the cylinder body has all been welded at the top of first U type frame, the internally mounted of cylinder body has the spring, the lower extreme of spring is equipped with the limiting plate, the bottom welding of limiting plate has the bracing piece, the lower extreme welding of bracing piece has second U type frame, the roller is installed in the internal rotation of second U type frame, the internally mounted of first U type frame has the lower roller that matches with last roller, and is two sets of the welding has the fixed plate between the first U type frame, first cylinder is installed to the bottom of fixed plate, install hot sword on the output shaft of first cylinder, install at the top of frame with last hot sword assorted lower hot sword.

Preferably, a second cylinder is installed on one side of the first U-shaped frame, an upper cutter is installed on an output shaft of the second cylinder, and a lower cutter matched with the upper cutter is installed at the top of the rack.

Preferably, the top of the first U-shaped frame is provided with a limiting hole, a limiting rod is inserted into the limiting hole, and the lower end of the limiting rod is welded to the top of the second U-shaped frame.

Preferably, the inside of the limiting hole is inserted with a linear bearing, and the linear bearing is sleeved outside the limiting rod.

Preferably, one end of the lower roll shaft is mounted on an output shaft of the motor through a coupling, and the motor is fixed on the side portion of the frame through a mounting plate.

Preferably, one end of the rack is provided with a collecting box.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses mainly by the frame, a U type frame, the cylinder body, go up the roller, the roller down, go up hot sword, parts such as hot sword down constitute, in closed composite bag bottom, pass composite bag from two sets of last rollers, down between the roller, then drive by a cylinder and go up hot sword cooperation down and carry out the back cover to composite bag, go up the roller and receive the extrusion force of spring in the cylinder body, be favorable to tightening composite bag, prevent in the back cover, cause the fold, improve the involution quality.

Drawings

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

FIG. 2 is a schematic view of a cross-sectional front view of a first U-shaped frame according to the present invention;

fig. 3 is a schematic view of the sectional structure of the cylinder body of the present invention.

In the figure: 1. a frame; 2. a first U-shaped frame; 3. a cylinder body; 4. a spring; 5. a limiting plate; 6. a support bar; 7. a second U-shaped frame; 8. an upper roll shaft; 9. a lower roll shaft; 10. a fixing plate; 11. a first cylinder; 12. feeding a hot knife; 13. a lower hot knife; 14. a second cylinder; 15. an upper cutter; 16. a lower cutter; 17. a limiting hole; 18. a limiting rod; 19. a linear bearing; 20. a motor; 21. mounting a plate; 22. and a collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a be used for compound bag production to use bag end closing mechanism, which comprises a frame 1, the top welding of frame 1 has first U type frame 2, cylinder body 3 has all been welded at the top of two sets of first U type frame 2, the internally mounted of cylinder body 3 has spring 4, the lower extreme of spring 4 is equipped with limiting plate 5, the bottom welding of limiting plate 5 has bracing piece 6, the lower extreme welding of bracing piece 6 has second U type frame 7, the inside rotation of second U type frame 7 installs last roller 8, the internally mounted of first U type frame 2 have with last roller 8 assorted lower roll axle 9, the welding has fixed plate 10 between two sets of first U type frames 2, first cylinder 11 is installed to the bottom of fixed plate 10, install hot sword 12 on the output shaft of first cylinder 11, install with last hot sword 12 assorted lower hot sword 13 at the top of frame 1.

A second air cylinder 14 is installed on one side of the first U-shaped frame 2, an upper cutter 15 is installed on an output shaft of the second air cylinder 14, a lower cutter 16 matched with the upper cutter 15 is installed on the top of the frame 1, after the upper cutter 12 and the lower cutter 13 are used for bottom sealing, the motor drives the lower roller shaft 9 to rotate, the sewing position of the composite bag can be conveyed between the lower cutter 16 and the upper cutter 15, the upper cutter 15 is driven by the second air cylinder 14 to cut the composite bag, and a collecting box 22 is arranged at one end of the frame 1 to facilitate collection of the sewn composite bag.

Spacing hole 17 has been seted up at the top of first U type frame 2, the inside grafting of spacing hole 17 has linear bearing 19, the inside grafting of linear bearing 19 has gag lever post 18, the lower extreme of gag lever post 18 welds in the top of second U type frame 7, cooperation through spacing hole 17 and gag lever post 18 is favorable to limiting the angle of living second U type frame 7, prevent that the roller 8 from taking place to rotate, linear bearing 19 is favorable to reducing the frictional force of spacing hole 17 and gag lever post 18. Install the one end of roller 9 down on motor 20's output shaft through the shaft coupling, be convenient for drive roller 9 down and rotate to carry compound bag, motor 20 is fixed in the lateral part of frame 1 through mounting panel 21, and this mounting panel 21 is favorable to improving motor 20's stability.

The working principle is as follows: when the bottom of the composite bag is closed, the composite bag penetrates through the two groups of upper roll shafts 8 and the lower roll shafts 9, then the first cylinder 11 drives the upper hot knife 12 to be matched with the lower hot knife 13 to bottom the composite bag, the upper roll shafts 8 receive the extrusion force of the spring 4 in the cylinder body 3, the composite bag is favorably tightened, wrinkles are prevented from being caused in bottom sealing, sealing quality is improved, after the upper hot knife 12 and the lower hot knife 13 are used for bottom sealing, the motor 20 drives the lower roll shafts 9 to rotate, the sewing position of the composite bag can be conveyed between the lower cutter 16 and the upper cutter 15, the second cylinder 14 drives the upper cutter 15 to cut the composite bag, and the sewn composite bag is collected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for compound bag production to close mechanism with bag end, includes frame (1), its characterized in that: the welding of the top of frame (1) has first U type frame (2), and two sets of cylinder body (3) have all been welded at the top of first U type frame (2), the internally mounted of cylinder body (3) has spring (4), the lower extreme of spring (4) is equipped with limiting plate (5), the welding of the bottom of limiting plate (5) has bracing piece (6), the welding of the lower extreme of bracing piece (6) has second U type frame (7), the internal rotation of second U type frame (7) installs last roller (8), the internally mounted of first U type frame (2) has lower roller (9) with last roller (8) assorted, the welding has fixed plate (10) between two sets of first U type frame (2), first cylinder (11) is installed to the bottom of fixed plate (10), install on the output shaft of first cylinder (11) hot sword (12), and a lower hot knife (13) matched with the upper hot knife (12) is arranged at the top of the rack (1).

2. The bag bottom closure mechanism for use in the production of composite bags of claim 1, wherein: a second air cylinder (14) is installed on one side of the first U-shaped frame (2), an upper cutter (15) is installed on an output shaft of the second air cylinder (14), and a lower cutter (16) matched with the upper cutter (15) is installed at the top of the rack (1).

3. The bag bottom closure mechanism for use in the production of composite bags of claim 1, wherein: spacing hole (17) have been seted up at the top of first U type frame (2), the inside grafting of spacing hole (17) has gag lever post (18), the lower extreme of gag lever post (18) welds in the top of second U type frame (7).

4. The bag bottom closure mechanism for use in the production of composite bags of claim 3, wherein: the inside of spacing hole (17) is pegged graft and is had linear bearing (19), linear bearing (19) cup joint in the outside of gag lever post (18).

5. The bag bottom closure mechanism for use in the production of composite bags of claim 1, wherein: one end of the lower roll shaft (9) is mounted on an output shaft of the motor (20) through a coupler, and the motor (20) is fixed on the side portion of the rack (1) through a mounting plate (21).

6. The bag bottom closure mechanism for use in the production of composite bags of claim 1, wherein: and a collecting box (22) is arranged at one end of the rack (1).