CN215040727U

CN215040727U - Folding stereo bag film roll unfolding device

Info

Publication number: CN215040727U
Application number: CN202120768512.8U
Authority: CN
Inventors: 黄松; 彭衡湘; 符德龙
Original assignee: Foshan Songchuan Zhuguan Intelligent Equipment Co ltd
Current assignee: Foshan Songchuan Zhuguan Intelligent Equipment Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-07
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a folding three-dimensional bag membrane book expander relates to three-dimensional bag packaging machinery technical field. The utility model comprises a fixed plate, two inner side expansion plates and two outer limiting plates, wherein the two inner side expansion plates and the two outer limiting plates are arranged at the two sides of the fixed plate in a mirror symmetry manner and comprise a first expansion piece and a second expansion piece, the interval between the two expansion pieces is gradually increased along the advancing direction of the folded three-dimensional bag, and the widths of the two expansion pieces are gradually increased; the two outer limiting plates respectively comprise two limiting parts, the interval between the two limiting parts is gradually increased along the advancing direction of the packaging film, and the width of the two limiting parts is gradually reduced along the advancing direction of the folded three-dimensional bag; the first limiting member is positioned between the two spreading members, and the second spreading member is positioned between the two limiting members. The utility model discloses a folding three-dimensional bag membrane book expander expandes to be neutral, through the restriction and the cooperation of each expansion board for difficult emergence offset when folding three-dimensional bag membrane book expandes, also convenient adjustment when taking place the skew.

Description

Folding stereo bag film roll unfolding device

Technical Field

The utility model relates to a three-dimensional bag packaging machinery technical field especially relates to the folding indentation equipment technical field of three-dimensional bag, and more specifically says and relates to a folding three-dimensional bag membrane book expandes ware.

Background

The three-dimensional bag is a common food packaging bag at present, and is also called as an M-shaped bag because two sides of the three-dimensional bag are provided with M-shaped indentations. When the three-dimensional bag is manufactured, the traditional forming mode is a roller extrusion mode, and the traditional roller extrusion forming mode is a mode of forming three-dimensional bag marks through rolling extrusion of a concave wheel and a cam. However, the existing roller extrusion forming device has complicated mechanism and low efficiency, and particularly, the rollers are concentric, so that the indentation position changes frequently and wrinkles easily appear.

In order to solve the problems, a folding and die-pressing forming mode is provided, and when the folding and die-pressing forming mode is adopted, a flat packaging film is firstly folded into an M shape in advance, then an indentation is made through a film pressing roller, and the packaging film with the indentation is unfolded.

The patent application comprises a rack, wherein a folding mechanism for folding a flat packaging film in the advancing process, a preheating mechanism for preheating the folded packaging film and a shaping mechanism for carrying out hot-press forming on the preheated packaging film are sequentially connected to the rack, a feeding assembly for conveying the packaging film is further arranged on the rack, an expansion plate is arranged in the three-dimensional bag manufacturing device, a flat laying guide rod is arranged at the tail end of the expansion plate, and the flat laying guide rod inclines towards the outer side of the transmission direction of the packaging film, so that the packaging film is unfolded to a flat laying state after being subjected to crease forming.

In the prior art, the unfolding plate is adopted to unfold the folded three-dimensional bag film roll after being folded and indented, when the unfolding plate is used for unfolding, the unfolded film roll is easy to deflect, the conveying of the unfolded packaging film is influenced, and the normal operation of the subsequent unfolded packaging film secondary rolling procedure or the material packaging procedure directly input into a packaging machine can be influenced; and when the packaging film roll after being unfolded deviates, the unfolding plate of the existing structure cannot adjust the packaging film roll which deviates.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and deficiencies in the prior art, the utility model provides a folding three-dimensional bag film roll unfolder, the utility model aims to solve the problem that the packaging film roll after the unfolding device unfolds the folding three-dimensional bag among the prior art easily generates the offset in transportation process, and is difficult for adjusting. The utility model provides a folding three-dimensional bag membrane book expander through the cooperation of each expansion board, realizes the gradual expansion of folding three-dimensional bag packaging film book to the three-dimensional bag membrane book of preliminary expansion of conical roller suppression through the expander afterbody makes it progressively expand, and the back is carried to a later process through carry over pinch rolls traction. The utility model discloses a folding three-dimensional bag membrane book expander expandes to be neutral, through the restriction and the cooperation of each expansion board for difficult emergence offset when folding three-dimensional bag membrane book expandes, also convenient adjustment when taking place the skew.

In order to solve the problems existing in the prior art, the utility model discloses a realize through following technical scheme:

the folding three-dimensional bag film roll unfolding device comprises a fixed plate, an inner side unfolding plate I, an inner side unfolding plate II, an outer limiting plate I and an outer limiting plate II, wherein the fixed plate is perpendicular to the inner side unfolding plate I and the inner side unfolding plate II; the inner side expansion plate I and the inner side expansion plate II are arranged on two sides of the bottom of the fixed plate in a mirror symmetry manner; the outer limiting plates I and the outer limiting plates II are symmetrically distributed on two sides of the fixing plate in a mirror image mode; the inner side unfolding plate I and the inner side unfolding plate II respectively comprise a first unfolding piece and a second unfolding piece, a gap is formed between the first unfolding piece and the second unfolding piece, and the gap between the first unfolding piece and the second unfolding piece is gradually increased along the advancing direction of the folded three-dimensional bag; the widths of the first unfolding piece and the second unfolding piece are gradually increased along the advancing direction of the folded three-dimensional bag; the outer limiting plates I and II respectively comprise a first limiting piece and a second limiting piece, an interval is formed between the first limiting piece and the second limiting piece, and the interval is gradually increased along the advancing direction of the packaging film; the widths of the first limiting piece and the second limiting piece are gradually reduced along the advancing direction of the folded three-dimensional bag; the first limiting member is positioned between the first spreading member and the second spreading member, and the second spreading member is positioned between the first limiting member and the second limiting member; the output end of the folding three-dimensional bag on the fixing plate is provided with a swinging block, one end of the swinging block is hinged on the fixing plate, and the other end of the swinging block is provided with a conical roller.

The conical rollers are arranged in two numbers and are symmetrically arranged on two sides of the swinging block through rotating shafts.

The conical roller is a roller shaft with two conical ends, and the middle part of the roller shaft is connected to the swinging block in a shaft mode.

The spreader also comprises a guide pillar and an adjusting rod, the guide pillar and the adjusting rod are arranged in parallel, and the fixing plate is fixed on the guide pillar; the outer limiting plate I and the outer limiting plate II are connected with the guide pillar in a sliding fit mode through the guide sleeve; the outer limiting plate I and the outer limiting plate II are connected with the adjusting rod through adjusting tooth sockets, and the adjusting rod is matched with the adjusting tooth sockets to adjust the positions of the outer limiting plate I and the outer limiting plate II.

And the outer sides of the outer limiting plate I and the outer limiting plate II are both provided with fixed reinforcing plates.

Compared with the prior art, the utility model discloses profitable technological effect who brings shows:

1. the utility model provides a folding three-dimensional bag membrane book expander through the cooperation of each expansion board, realizes the gradual expansion of folding three-dimensional bag packaging film book to the three-dimensional bag membrane book of preliminary expansion of conical roller suppression through the expander afterbody makes it progressively expand, and the back is carried to a later process through carry over pinch rolls traction. The utility model discloses a folding three-dimensional bag membrane book expander expandes to be good to neutrality, through the restriction and the cooperation of each expansion board for difficult emergence offset when folding three-dimensional bag membrane book expandes.

2. The utility model discloses set up pendulum piece and toper running roller at the output of folding three-dimensional bag membrane book expander, can arrange in order the packaging film that tentatively expandes, the M crease of conical running roller design messenger packaging film is evenly expanded, can not appear the fold, also further ensured the centering nature of the packaging film after expanding, prevent that it from taking place the skew. And the M crease corresponds on conical running roller and the packaging film, does not influence the crease effect on the one hand, and on the other hand also can spread the crease, causes the fold when preventing follow-up transport.

3. The utility model discloses a folding three-dimensional bag membrane roll expander, still include guide pillar and regulation pole, conveniently adjust the position of outer limiting plate I and outer limiting plate II to conveniently change interior expansion board and outer limiting plate, in order to adapt to the membrane bag shaping of different packing specifications; the position of the three-dimensional bag film roll can be adjusted by adjusting the positions of the outer limiting plate I and the outer limiting plate II, so that the position of the three-dimensional bag film roll which is cheap to generate can be conveniently adjusted.

4. The utility model discloses all be provided with fixed reinforcing plate in outer restriction board I and the II outsides of outer restriction board. The stability of outer restriction board I and outer restriction board II has been strengthened, provides stronger holding power for outer restriction board I and outer restriction board II, prevents to take place deformation, skew.

Drawings

FIG. 1 is a schematic view of the explosion structure of the folding bag film roll unwinder of the present invention;

FIG. 2 is a three-dimensional structure diagram of the folding three-dimensional bag film roll spreader in use;

FIG. 3 is a schematic top view of the unfolding device for a folded three-dimensional bag film roll of the present invention;

reference numerals: 1. the fixed plate, 2, inboard expansion board I, 3, inboard expansion board II, 4, outer limiting plate I, 5, outer limiting plate II, 6, first expansion piece, 7, second expansion piece, 8, first restriction piece, 9, second restriction piece, 10, pendulum piece, 11, toper running roller, 12, guide pillar, 13, adjust the pole, 14, adjust the facing, 15, fixed reinforcing plate.

Detailed Description

The technical solution of the present invention is further elaborated in detail with reference to the drawings attached to the specification. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to the attached

drawings

1, 2 and 3 of the specification, the embodiment discloses a folding three-dimensional bag film roll unfolding device, which comprises a fixed plate 1, an inner side unfolding plate I2, an inner side unfolding plate II 3, an outer limiting plate I4 and an outer limiting plate II 5, wherein the fixed plate 1 is perpendicular to the inner side unfolding plate I2 and the inner side unfolding plate II 3; the inner side expansion plate I2 and the inner side expansion plate II 3 are arranged on two sides of the bottom of the fixed plate 1 in a mirror symmetry mode; the outer limiting plates I4 and the outer limiting plates II 5 are symmetrically distributed on two sides of the fixing plate 1 in a mirror image mode; the inner side unfolding plate I2 and the inner side unfolding plate II 3 respectively comprise a first unfolding piece 6 and a second unfolding piece 7, a gap is formed between the first unfolding piece 6 and the second unfolding piece 7, and the gap between the first unfolding piece 6 and the second unfolding piece 7 is gradually increased along the advancing direction of the folded three-dimensional bag; the widths of the first unfolding member 6 and the second unfolding member 7 are gradually increased along the advancing direction of the folded three-dimensional bag; the outer limiting plates I4 and II 5 respectively comprise a first limiting piece 8 and a second limiting piece 9, and a gap is formed between the first limiting piece 8 and the second limiting piece 9 and gradually increases along the advancing direction of the packaging film; the widths of the first limiting member 8 and the second limiting member 9 are gradually reduced along the advancing direction of the folded three-dimensional bag; said first limit element 8 is located between the first development 6 and the second development 7, said second development 7 is located between the first limit element 8 and the second limit element 9; the output end of the folding three-dimensional bag on the fixing plate 1 is provided with a swing block 10, one end of the swing block 10 is hinged on the fixing plate 1, and the other end of the swing block 10 is provided with a conical roller 11.

The bottom surface of the M-shaped folded three-dimensional bag is wrapped outside the first unfolding pieces 6 of the inner side unfolding plate I2 and the inner side unfolding plate II 3, namely the first unfolding pieces 6 of the inner side unfolding plate I2 and the inner side unfolding plate II 3 are positioned in the folded three-dimensional bag; the first limiting pieces 8 of the outer limiting plates I4 and II 5 are correspondingly inserted into the V-shaped folding grooves on two sides of the M-shaped folded three-dimensional bag respectively, namely the first limiting pieces 8 of the outer limiting plates I4 and II 5 are positioned on the outer sides of two side faces of the folded three-dimensional bag and correspond to the positions of M-shaped folds; the second unfolding pieces 7 of the inner side unfolding plate I2 and the inner side unfolding plate II 3 are positioned in the folded three-dimensional bag and support the top surface of the folded three-dimensional bag; the middle seams of the folded three-dimensional bag are separated by a fixing plate 1; along the advancing direction of the folded three-dimensional bag, the interval between the first unfolding piece 6 and the second unfolding piece 7 is gradually increased; the widths of the first unfolding member 6 and the second unfolding member 7 are gradually increased along the advancing direction of the folded three-dimensional bag; the first restriction member 8 and the second restriction member 9 have a space therebetween, and the space is gradually increased in the advancing direction of the packaging film; the widths of the first limiting member 8 and the second limiting member 9 are gradually reduced along the advancing direction of the folded three-dimensional bag; the folding three-dimensional bag is in an unfolding state when the unfolding device is output, the crease of the folding three-dimensional bag film roll is arranged through the cone-shaped roller at the tail part, and the crease is unfolded to prevent the unfolded three-dimensional bag film roll from being folded during subsequent conveying.

As an embodiment of this embodiment, as shown in fig. 2, the folded three-dimensional bag unfolding device of the present application is installed on a mounting frame, and is abutted against a press roller device, the folded three-dimensional bag with M-shaped creases formed is input into the folded three-dimensional bag unfolding device of the present application, the folded three-dimensional bag packaging film roll is gradually unfolded through the cooperation of each unfolding member and a limiting member, and the initially unfolded three-dimensional bag film roll is pressed by a conical roller at the tail of the unfolding device to be gradually unfolded, and then is pulled by a pulling roller and conveyed to the next process. The utility model discloses a folding three-dimensional bag membrane book expander expandes to be good to neutrality, through the restriction and the cooperation of each expansion board for difficult emergence offset when folding three-dimensional bag membrane book expandes.

As still another embodiment of this embodiment, as shown in fig. 1 and 3, two tapered rollers 11 are provided and symmetrically installed on both sides of the swing block 10 through a rotation shaft.

In another embodiment of this embodiment, the tapered roller 11 is a roller shaft with two conical ends, and the middle of the roller shaft is coupled to the swing block 10.

The design of the tapered roller enables the M crease of the packaging film to be uniformly unfolded, no crease occurs, the centering performance of the unfolded packaging film is further ensured, and the packaging film is prevented from shifting. And the M crease corresponds on conical running roller and the packaging film, does not influence the crease effect on the one hand, and on the other hand also can spread the crease, causes the fold when preventing follow-up transport.

As another embodiment of this embodiment, as shown in fig. 1, 2 and 3, the spreader further includes a guide post 12 and an adjusting rod 13, the guide post 12 is disposed parallel to the adjusting rod 13, and the fixing plate 1 is fixed on the guide post 12; the outer limiting plate I4 and the outer limiting plate II 5 are connected with the guide pillar 12 in a sliding fit mode through guide sleeves; the outer limiting plate I4 and the outer limiting plate II 5 are connected with the adjusting rod 13 through an adjusting thread sleeve 14, and the adjusting rod 13 is matched with the adjusting thread sleeve 14 to adjust the positions of the outer limiting plate I4 and the outer limiting plate II 5. The positions of the outer limiting plate I4 and the outer limiting plate II 5 can be conveniently adjusted, so that the inner expanding plate and the outer limiting plate can be conveniently replaced, and the film bag forming machine is suitable for film bag forming with different packaging specifications; the position of the three-dimensional bag film roll can be adjusted by adjusting the positions of the outer limiting plate I4 and the outer limiting plate II 5, so that the position of the three-dimensional bag film roll which is cheap to generate can be conveniently adjusted.

As still another embodiment of the present embodiment, as shown in fig. 1 and 3, a fixed reinforcing plate 15 is provided outside each of the outer limiting plates i 4 and ii 5. The stability of the outer limiting plate I4 and the outer limiting plate II 5 is strengthened, and strong supporting force is provided for the outer limiting plate I4 and the outer limiting plate II 5, so that deformation and deflection are prevented.

Claims

1. Folding three-dimensional bag membrane book expandes ware, its characterized in that: the device comprises a fixed plate (1), an inner side expansion plate I (2), an inner side expansion plate II (3), an outer limiting plate I (4) and an outer limiting plate II (5), wherein the fixed plate (1) is perpendicular to the inner side expansion plate I (2) and the inner side expansion plate II (3); the inner side expansion plate I (2) and the inner side expansion plate II (3) are arranged on two sides of the bottom of the fixed plate (1) in a mirror symmetry mode; the outer limiting plates I (4) and the outer limiting plates II (5) are symmetrically distributed on two sides of the fixing plate (1) in a mirror image mode; the inner side unfolding plate I (2) and the inner side unfolding plate II (3) respectively comprise a first unfolding piece (6) and a second unfolding piece (7), a gap is formed between the first unfolding piece (6) and the second unfolding piece (7), and the gap between the first unfolding piece (6) and the second unfolding piece (7) is gradually increased along the advancing direction of the folded three-dimensional bag; the widths of the first unfolding piece (6) and the second unfolding piece (7) are gradually increased along the advancing direction of the folded three-dimensional bag; the outer limiting plates I (4) and II (5) respectively comprise a first limiting piece (8) and a second limiting piece (9), a gap is formed between the first limiting piece (8) and the second limiting piece (9), and the gap gradually increases along the advancing direction of the packaging film; the widths of the first limiting piece (8) and the second limiting piece (9) are gradually reduced along the advancing direction of the folded three-dimensional bag; the first limit element (8) is located between the first spreading element (6) and the second spreading element (7), the second spreading element (7) is located between the first limit element (8) and the second limit element (9); the output end of the folding three-dimensional bag on the fixing plate (1) is provided with a swing block (10), one end of the swing block (10) is hinged on the fixing plate (1), and the other end of the swing block (10) is provided with a conical roller (11).

2. The roll unwinder of folded volumetric bag film as defined in claim 1, wherein: the two conical rollers (11) are symmetrically arranged on two sides of the swinging block (10) through rotating shafts.

3. The roll unwinder of folded volumetric bag film as defined in claim 1, wherein: the conical roller (11) is a roller shaft with two conical ends, and the middle part of the roller shaft is connected to the swinging block (10) in a shaft mode.

4. A folded volumetric bag film roll unwinder as defined in any of claims 1-3 wherein: the spreader also comprises a guide post (12) and an adjusting rod (13), the guide post (12) and the adjusting rod (13) are arranged in parallel, and the fixing plate (1) is fixed on the guide post (12); the outer limiting plate I (4) and the outer limiting plate II (5) are connected with the guide pillar (12) in a sliding fit manner through guide sleeves; the outer limiting plate I (4), the outer limiting plate II (5) and the adjusting rod (13) are connected through an adjusting tooth socket (14), and the adjusting rod (13) is matched with the adjusting tooth socket (14) to adjust the positions of the outer limiting plate I (4) and the outer limiting plate II (5).

5. A folded volumetric bag film roll unwinder as defined in any of claims 1-3 wherein: and the outer sides of the outer limiting plate I (4) and the outer limiting plate II (5) are both provided with fixed reinforcing plates (15).