CN102673013A

CN102673013A - Inner plastic bag folding and lengthening device

Info

Publication number: CN102673013A
Application number: CN2011100539511A
Authority: CN
Inventors: 陈安康
Original assignee: SHANGHAI AILU PAPER PACKAGE CO Ltd
Current assignee: SHANGHAI AILU PAPER PACKAGE CO Ltd
Priority date: 2011-03-07
Filing date: 2011-03-07
Publication date: 2012-09-19
Anticipated expiration: 2031-03-07
Also published as: CN102673013B

Abstract

The invention discloses an inner plastic bag folding and lengthening device, which comprises a first air shaft. The first air shaft passes through the central core drum of an outer paper roll and is placed on an outer paper support, a first servo motor is mounted under the outer paper support, an outer paper tension controller is mounted at the paper position of the outer paper support, a second air shaft passes through the central core drum of a rolled drum-like plastic inner bag and is placed on the drum-like plastic inner bag support, a second servo motor is mounted under the drum-like plastic inner bag support, a drum-like plastic inner bag tension controller is mounted at the paper position of the drum-like plastic inner bag support, an upper pendulum shaft is mounted on a vertical wallboard, one end of a first strip-shaped tooth is fixed on the upper pendulum shaft, and the first strip-shaped tooth is engaged with a first gear. The inventive folding and lengthening device increases the total volume of the drum-like plastic inner bag, and avoids breakage of the inner plastic bag after filling.

Description

The folding growth device that adds of plastics inner bag

Technical field

The present invention relates to packaging bag manufacturing equipment field, the folding growth device that adds of particularly a kind of plastics inner bag.

Background technology

At present, along with hygienic requirements was high more originally, the inside of most paper bags all is asked to place a tubular plastics inner bag; Form one compound paper bag structure, take place, and traditional manufacturing equipment is when making this paper bag that liner tubular plastics inner bag arranged with the rough sledding of avoiding material to contact the back moisture absorption, taint of odour, pollution etc. with paper; Can only accomplish tubular plastics inner bag with the equally long bag type of outside paper, and, be that the square end that is square, bottom is during compound paper bag if the client need ask; If tubular plastics inner bag is with the still equally long structure of outer paper; Because the overall volume of inner bag is littler than outside paper bag, after will occurring loading goods, inner bag is stretched, elongates; Perhaps support the serious consequence of bad inner bag, cause the packing failure.

Summary of the invention

Technical problem to be solved by this invention provides that a kind of plastics inner bag is folding to add growth device, and it has increased the total measurement (volume) of tubular plastics inner bags, the appearance of the phenomenon of having avoided after the can plastics inner bag being burst.

For solveing the technical problem, the invention provides that a kind of plastics inner bag is folding to add growth device, it is characterized in that; It comprises first gas expansion shaft, outer paper paper frame, first servomotor, outer paper force controller, second gas expansion shaft, tubular plastics inner bag frame, second servomotor, tubular plastics inner bag tension force system device, wall plate, goes up balance staff, the first bar shaped tooth, first gear, holder, the 3rd servomotor, bottom roller, cylinder, cylinder block, second gear, the 4th servomotor, the second bar shaped tooth, combining station, combination stack roller, shaping mechanism, head, cutting knife, the 5th servomotor; First gas expansion shaft is through in the intermediate core tube of the outer paper that is rolled into web-like and is placed on the outer paper paper frame, in the bottom of outer paper paper frame first servomotor is installed, and at the paper position of outer paper paper frame the outer paper force controller has been installed; Second gas expansion shaft is through in the intermediate core tube of the tubular plastics inner bag that is rolled into web-like and is placed on the tubular plastics inner bag frame; And second servomotor is installed in the bottom of tubular plastics inner bag frame, and at the paper position of tubular plastics inner bag frame tubular plastics inner bag tension force system device is installed, balance staff is being installed on the wall plate; One of the first bar shaped tooth is fixed on the balance staff; First gear in the first bar shaped tooth interlock, and first gear is installed on the holder, in the bottom of holder the 3rd servomotor is arranged; The axle head of the 3rd servomotor is connecting first gear through reductor; Next door at last pendulum roller also is equipped with bottom roller, and two terminations of bottom roller all are equipped with cylinder, and cylinder is installed on the cylinder block; Cylinder, cylinder block are fixed together with the second bar shaped tooth; The 4th servomotor also is installed on the wall plate, and the 4th servomotor is connecting second gear, and second gear is with the second bar shaped tooth interlock; Combination stack roller is installed in the middle part of combining station; Shaping mechanism is installed in the place ahead of head, and the bag tube of forming cuts through cutting knife, and cutting knife is by the 5th driven by servomotor that is installed in the head bottom.

Positive progressive effect of the present invention is: plastics inner bag of the present invention is folding to be added growth device and has highly intelligent; Can make the various various paper bags that need in one deck or multi-layered paper, place tubular plastics inner bag rapidly and accurately; The plastics inner bag compound paper bag of producing in this manner that lengthening is arranged; Do not make moist, not taint of odour, the plastics inner bag is not easy to be stretched, to draw bad again, can realize the needs of the totally-enclosed packing of material.

Description of drawings

Fig. 1 is the folding structural representation that adds growth device of plastics inner bag of the present invention.

Principle schematic when Fig. 2 works for going up balance staff and bottom roller among the present invention.

The specific embodiment

Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the present invention that intactly explains.

As shown in Figure 1, plastics inner bag of the present invention is folding to add that growth device comprises first gas expansion shaft 2, outer paper paper frame 3, first servomotor 4, outer paper force controller 5, second gas expansion shaft 7, tubular plastics inner bag frame 8, second servomotor 9, tubular plastics inner bag tension force system device 10, wall plate 11, goes up balance staff 12, the first bar shaped tooth 13, first gear 14, holder 15, the 3rd servomotor 16, bottom roller 17, cylinder 18, cylinder block 19, second gear 20, the 4th servomotor 21, the second bar shaped tooth 22, chute 23, other work stations 24, combining station 25, combination superpose roller 26, shaping mechanism 27, head 28, cutting knife 29, the 5th servomotor 30, output mechanism 31 and master control computer 32.

First gas expansion shaft 2 is through in the intermediate core tube of the outer paper 1 that is rolled into web-like and is placed on the outer paper paper frame 3; In the bottom of outer paper paper frame 3 first servomotor 4 is installed; The rotation that first servomotor 4 first gas expansion shaft 2 through gear drive; First gas expansion shaft 2 rotates and is driving the paper roll rotation; Paper is just put from paper roll, at outer paper paper frame 3 about three meters paper positions of having emitted outer paper force controller 5 has been installed, and forms unreeling and tension control system of outer paper 1 like this.

Similarly; Second gas expansion shaft 7 is through in the intermediate core tube of the tubular plastics inner bag 6 that is rolled into web-like and is placed on the tubular plastics inner bag frame 8; And second servomotor 9 is installed in the bottom of tubular plastics inner bag frame 8; The rotation that second servomotor 9 second gas expansion shaft 7 through gear drive is being equipped with tubular plastics inner bag tension force system device 10 from tubular plastics inner bag frame 8 about three meters paper positions, and above element is formed unreeling and tension control system of tubular plastics inner bag 6.

Balance staff 12 is being installed on the wall plate 11; One of the first bar shaped tooth 13 is fixed on the balance staff 12, and 13 interlocks of the first bar shaped tooth first gear, 14, the first gears 14 and are installed on the holder 15; The 3rd servomotor 16 is arranged in the bottom of holder 15; The axle head of the 3rd servomotor 16 through reductor connecting first gear, 14, the three servomotors 16 controlling first gear 14 clockwise, speed change rotation widdershins, the oblique line directions that the rotation of first gear 14 has driven the first bar shaped tooth 13 again moves up and down; Because an end of the first bar shaped tooth 13 is fixed on the pendulum roller 12, the speed change that has just driven last pendulum roller 12 tiltedly goes up, the motion under oblique.Next door at last pendulum roller 12 also is equipped with bottom roller 17, and two terminations of bottom roller 17 all are equipped with cylinder 18, and cylinder 18 is installed on the cylinder block 19; Cylinder 18, cylinder block 19 are fixed together with the second bar shaped tooth 22, can freely along with moving of the second bar shaped tooth 22, and the 4th servomotor 21 also is installed on wall plate 11; The 4th servomotor 21 is connecting second gear 20 through reductor; Second gear 20 is with 22 interlocks of the second bar shaped tooth, the 4th servomotor 21 controlling second gear 20 clockwise, speed change rotation widdershins, the rotation of second gear 20 has driven the move left and right of the second bar shaped tooth 22 again; Because an end of the second bar shaped tooth 22 is fixed on the bottom roller 17; Just driven the speed change move left and right of bottom roller 17, when bottom roller 17 moved to chute 23 belows, cylinder 18 was released; Bottom roller 17 can be raised by cylinder 18, and the height that raises is greater than the peak of last pendulum roller 12.When cylinder 18 was regained, bottom roller 17 fell the positive bottom of getting back to chute 23,21 counter-rotatings of the 4th servomotor, and second gear 20 drives the second bar shaped tooth, 22, the second bar shaped teeth, 22 drive bottom rollers 17 and gets back to original position.Above element constitutes the folding growth device that adds of plastics inner bag.

As shown in Figure 2, on put roller 12 with greater than the oblique upper motion of the speed of bottom roller 17 to bottom roller 17, also arrived the oblique upper of bottom roller 17 with tubular plastics inner bag 6; Quicken reposition then, when last pendulum roller 12 quickened to return, bottom roller 17 quickened to move right; The outside that breaks away from the Z font; Raised by cylinder 18, surpass the peak of Z font, at this moment; The folding plastics inner bag that has extended that is the Z font continues from the below forwards to pass through from bottom roller 17 belows, and bottom roller 17 is left behind by cylinder 18 and got back to original position then.In the inner placement of paper tubular plastics inner bag, can also tubular plastics inner bag folded a Z font; The two ends of tubular plastics inner bag are equally long with outside paper; But because the folding existence of this Z font has been arranged, the total length of tubular plastics inner bag has just been grown than the paper of outside, because the increase of length; Thereby increased the total measurement (volume) of tubular plastics inner bags, the appearance of the phenomenon of having avoided after the can plastics inner bag being burst.

Other work stations 24 are installed in that the plastics inner bag is folding to be added after the growth device; Combination stack roller 26 is installed in the middle part of combining station 25, and shaping mechanism 27 is installed in the place ahead of head 28, bag tube the cutting through cutting knife 29 of forming; Cutting knife 29 is driven by the 5th servomotor 30 that is installed in the head bottom; And cut the bag tube of forming according to the speed rotation of setting, and cutting the back by output mechanism 31 outputs, all above-mentioned servomotors are all by master control computer 32 calculation control.

At first with outer paper 1 paper roll and plastics inner bag volume according to the mode of Fig. 1 be placed on the outer paper support 3 with tubular plastics inner bag frame 8 on; Outer paper 1 and tubular plastics inner bag 6 are under the control of outer paper force controller 5 and tubular plastics inner bag tension force system device 10; Under the control of first servomotor 4 and second servomotor 9, unreel, outer paper 1 and the tubular plastics inner bag 6 that unreels out passes the folding growth device that adds of plastics inner bag, through folding lengthening; The plastics inner bag partly is the Z font; Continue be pulled bag work such as the some glue that passes through other work stations 24, clip with outer paper together, get into combining station 25, get into shaping mechanisms 27 through combination stack roller 26; Get into head 28 again; Under the control of the 5th servomotor 30, cutting knife 29 cuts according to the bag tube of technological parameter with forming, via output mechanism 21 outputs.

The movement velocity that the speed that unreels of the speed that unreels of outer paper 1, tubular plastics inner bag 6, plastics inner bag is folding to add the movement velocity that goes up pendulum roller 12, bottom roller 17 and last head 28 upper cutters 29 of growth device all be by master control computer 32 through COMPREHENSIVE CALCULATING, command afterwards first servomotor 4, second servomotor 9, the 3rd servomotor 16, the 4th servomotor 21 respectively coordination form.So plastics inner bag of the present invention is folding to be added growth device and has highly intelligent; Can make the various various paper bags that need in one deck or multi-layered paper, place tubular plastics inner bag rapidly and accurately; The plastics inner bag compound paper bag of producing in this manner that lengthening is arranged; Do not make moist, not taint of odour, the plastics inner bag is not easy to be stretched, to draw bad again, can realize the needs of the totally-enclosed packing of material.

Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these embodiments.Therefore, protection scope of the present invention is limited appended claims.

Claims

1. a plastics inner bag folds and adds growth device; It is characterized in that it comprises first gas expansion shaft, outer paper paper frame, first servomotor, outer paper force controller, second gas expansion shaft, tubular plastics inner bag frame, second servomotor, tubular plastics inner bag tension force system device, wall plate, goes up balance staff, the first bar shaped tooth, first gear, holder, the 3rd servomotor, bottom roller, cylinder, cylinder block, second gear, the 4th servomotor, the second bar shaped tooth, combining station, combination stack roller, shaping mechanism, head, cutting knife, the 5th servomotor, first gas expansion shaft is through in the intermediate core tube of the outer paper that is rolled into web-like and is placed on the outer paper paper frame; Bottom at outer paper paper frame is equipped with first servomotor; Paper position at outer paper paper frame has been installed the outer paper force controller, and second gas expansion shaft is through in the intermediate core tube of the tubular plastics inner bag that is rolled into web-like and is placed on the tubular plastics inner bag frame, and in the bottom of tubular plastics inner bag frame second servomotor is installed; Paper position at tubular plastics inner bag frame is equipped with tubular plastics inner bag tension force system device; Balance staff is being installed on the wall plate, and one of the first bar shaped tooth is fixed on the balance staff, and first gear in the first bar shaped tooth interlock; First gear is installed on the holder; In the bottom of holder the 3rd servomotor is arranged, the axle head of the 3rd servomotor is connecting first gear through reductor, on the next door of last pendulum roller bottom roller is installed also; Two terminations of bottom roller all are equipped with cylinder; Cylinder is installed on the cylinder block, and cylinder, cylinder block are fixed together with the second bar shaped tooth, and the 4th servomotor also is installed on the wall plate; The 4th servomotor is connecting second gear; Second gear is with the second bar shaped tooth interlock, and combination stack roller is installed in the middle part of combining station, and shaping mechanism is installed in the place ahead of head; The bag tube of forming cuts through cutting knife, and cutting knife is by the 5th driven by servomotor that is installed in the head bottom.