CN103223732A - Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag - Google Patents
Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag Download PDFInfo
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- CN103223732A CN103223732A CN2013101821538A CN201310182153A CN103223732A CN 103223732 A CN103223732 A CN 103223732A CN 2013101821538 A CN2013101821538 A CN 2013101821538A CN 201310182153 A CN201310182153 A CN 201310182153A CN 103223732 A CN103223732 A CN 103223732A
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Abstract
The invention provides a continuous feeding and cutting device for a bag bottom sealing strip of a square bottom valve bag. The continuous feeding and cutting device comprises a coiled material uncoiling device, a continuous feeding device and a cutting device, wherein the cutting device comprises upper and lower hob shafts which are driven by a pair of helical gears and are arranged between two rack wallboards; a cutting instantaneous stopping device of which the axial movement stroke is smaller than the thickness of the helical gear is arranged on one side of the upper hob shaft or the lower hot shaft; and the cutting instantaneous stopping device can drive the helical gear to generate axial displacement on an opposite contact surface to make the upper hob shaft and the lower hot shaft generate relative circumferential displacement, so that a displacement clearance is formed between cutting edges of an upper cutter and a lower cutter which are respectively arranged on the upper hob shaft and the lower hob shaft, and cutting is stopped. A redundant waste rejecting mechanism is eliminated; the generation of a wasted sealing strip caused by rotation of a hob can be avoided when the previous process of a metronomic bag-making machine fails; and the machine can normally operate.
Description
Technical field
The present invention relates to the package packing machine field, continuous feeding, the location cutter sweep of the bag underseal bar in the especially square bottom valve pocket Bag Making Machine.
Background technology
In the manufacturing process of square bottom valve pocket, after opening at tubular sheet material two ends, being folded into hexagon, at first need to paste the valve port bar at an end of tubular; Then, two ends are folding Central Line at the bottom of the bag respectively, cross folding in opposite directions, form at the bottom of rectangular bag after, need to paste a bag end emulsion sheet, at the bottom of the closing bag or sack.Can the bag end cover strip of paper used for sealing and cover at the bag end accurately, fully, avoid common " gas well " phenomenon that is folded to form as far as possible, for the quality of sack with and packaged products crucial meaning is arranged, especially for the packing of granular goods, the existence of gas well, can cause material from leakage, contaminated environment during the can transportation.In the storage process, malaria also can enter in the bag by being folded to form " gas well ", influences the quality of connection with wrapping of piece.At present, the strip of paper used for sealing at the bottom of the above-mentioned stickup side bottom valve pocket bag is generally supplied with web form.
In addition, the can of square bottom valve pocket is brick-shaped later on, makes things convenient for piling.For the advertising of packaging product and false proof, propaganda such as printing firm or name of product mark at the bottom of being everlasting bag and on the sack face, therefore often need typographic(al) mark in advance on the bag underseal bar coiled material of square bottom valve pocket, increased technical difficulty for the feed of strip of paper used for sealing and location cutting.
Different with common package packing machine coiled material feed situation also has, because square bottom valve pocket mostly is heavily packaging bag, usually adopting the plastic-coated composite braided fabric is base material, the density of material scope is every square metre of 60～120 gram, the width range of coiled material is 80～180 millimeters, and the Cutting Length scope is 230～480 millimeters, so the roll diameter of square bottom valve pocket bag underseal bar is big, generally to surpass 600 millimeters, reach 1000 millimeters.Coil diameter is big more, and tension variation is just big.This also is different from the feed situation of common pouch-packaged film coil.
There are two kinds for the method for coiled material feed, location cutting is common in the prior art: 1. continuous feeding, location cutting; 2. gap feed, location cutting.Because moulding volume side's bottom valve pocket bag base material is the plastics flexible materials, tension force is difficult to accurate control, even adopt gap feed, the location cutting of servo-drive, motion module control, because the influence of carrying rotary inertia, frictional force and the motor moment acceleration and deceleration of roller, cutting roller to produce, can cause bag error of underseal bar cutting, can be enough to influence bag end covering strip of paper used for sealing cover at a bag end accurately, fully, influences the sack quality.
In view of above-mentioned factors, in square bottom valve pocket Bag Making Machine, the mode of clearance-type feed, location cutting is not generally adopted in valve port bar, especially feed, the cutting of bag underseal bar, and adopts the mode of continuous feeding, location cutting.But when adopting the mode of continuous feeding, location cutting, because the power of cutting comes from bag power of sheet transmission, in case the preceding road of Bag Making Machine technology goes wrong, as carry scarce bag, even adopt sensor to detect on pipeline, a bag underseal bar cuts off, and be transferred to paste position rapidly, cause unnecessary waste product strip of paper used for sealing,, just must influence the stickup shaping of follow-up normal bag sheet if do not reject.This has just produced one and how to have rejected waste product, to guarantee the problem of the normal operation of machine.Prior art is in the transmission path before bag underseal bar arrives paste position at the solution of the problems referred to above, increases by a mechanical type rejecting mechanism.As CN2875790Y, the device that CN2875793Y and CN1034649C provided is such, and is loaded down with trivial details but such mechanism is complicated, and job insecurity.
Summary of the invention
Technical problem to be solved by this invention is: continuous feeding, location cutter sweep that a kind of bag of underseal bar is provided, preceding working procedure goes wrong on the beat-type Bag Making Machine, as carry when lacking bag, avoid rotating the hobboing cutter cutting and produce the waste product strip of paper used for sealing, the inspection rejects mechanism that cancellation is redundant guarantees the normal operation of machine.
The technical solution adopted for the present invention to solve the technical problems is: a kind of continuous feeding of side's bottom valve pocket bag underseal bar, location cutter sweep comprise coiled material unwinding device, continuous feeding device and cutter sweep; Described cutter sweep comprises by a pair of helical gear driving, is installed in the upper and lower cutter shaft between two blocks of frame wallboards; Side at last cutter shaft or following cutter shaft is equipped with the cutting wink stop device of move left and right stroke less than helical gear thickness; Described cutting wink stop device can promote or spur cutter shaft or following cutter shaft, make and be installed in cutter shaft or the helical gear generation axial displacement of cutter shaft axle head down, cause go up cutter shaft or down cutter shaft produce radial displacement simultaneously, the gap appears thereby make between the cutting edge of the upper slitter that is installed in respectively on the upper and lower cutter shaft and following cutter.
Described cutting wink stop device comprises the spindle nose cover that is connected with the axle head of last cutter shaft or following cutter shaft, and pneumatic actuating device, cylinder, cylinder mounting plate, cylinder connect support bar and cylinder piston connecting plate, and cylinder is installed on the cylinder mounting plate and connects support bar by cylinder and is fixedly mounted on the frame wallboard; Cylinder piston one end of cylinder is fixed on the cylinder piston connecting plate, and the cylinder piston connecting plate presses on the end face that is fixed on the spindle nose cover simultaneously; In the spindle nose cover bearing is installed, end cap of axle head fixed installation of last cutter shaft or following cutter shaft, end cap is pressed on the inner ring of bearing, and the outer ring of bearing is pushed down by a spacer ring, and the other end of this spacer ring is resisted against on the fixedly connected flat board of cylinder piston simultaneously.
For preventing that cylinder piston from rotating, the present invention also is provided with a stopping means between cylinder mounting plate and cylinder piston connecting plate; This stopping means comprises the alignment pin that is installed on the cylinder piston connecting plate, and is fastened on the grooved piece on the cylinder mounting plate, and described alignment pin is plugged in the notch of grooved piece.
Described cutting wink, stop device also can be connected with the axle head of right any one gear shaft of helical gear, and at this moment, described spindle nose overlaps and is connected with the axle head of gear shaft, and other modular construction is same as described above.
The present invention is by the axle head at a cutter shaft or gear shaft, connect one simple in structure, with the cylinder is the cutting wink stop device of executive component, drive helical gear on its contact Tooth, producing axial displacement, thereby make, produce relatively circumferentially displacement between the following cutter shaft, changed the fit clearance of two hobboing cutter cutting edges, produce circumferential misalignment, hobboing cutter can't be realized cooperating roller to cut about making, guaranteed that thus preceding working procedure goes wrong on the beat-type Bag Making Machine, as carry when lacking bag, can not produce unnecessary waste product strip of paper used for sealing, when saving base material, cancel redundant inspection rejects mechanism, fully guaranteed the stability and the reliability of production of machinery.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the cross-sectional schematic of coiled material of the present invention location cutting part;
Fig. 3 is the kerf cutter position view during for tool roller axis operate as normal of the present invention;
Fig. 4 produces kerf cutter position view after the axial displacement for tool roller axis of the present invention.
Among the figure: 1-bag underseal bar coiled material; 2-coiled material unwinding device; 3-continuous feeding device; The last helical gear of 4-; Helical gear under the 5-; The last cutter shaft of 6-; Cutter shaft under the 7-; The 8-cylinder; 9-cylinder mounting plate; The 10-cylinder connects support bar; 11-frame wallboard; 12-cylinder piston fixed connecting plate; 13-spindle nose cover; The 14-end cap; The 15-spacer ring; The 16-alignment pin; 17-grooved piece; The 18-bearing; The 19-upper slitter; Cutter under the 20-.
The specific embodiment
As shown in Figure 1, the present invention includes coiled material unwinding device 2, the continuous feeding device 3 by the folder rod of a pair of servo-drive is formed cooperates the cutter sweep of forming by the last cutter shaft 6 of making relative rotary motion and following cutter shaft 7.Bag underseal bar coiled material 1 is given to deliver to the cutter sweep part continuously.
As shown in Figure 2, described cutter sweep comprises respectively by last helical gear 4 and counterrotating cutter shaft 6 and the following cutter shaft 7 gone up of following helical gear 5 drivings, upper slitter 19 and following cutter 20 have been installed respectively on the opposite position of last cutter shaft 6 and following cutter shaft 7, and last cutter shaft 6 and following cutter shaft 7 are installed between the pair of frame wallboard 11; Simultaneously, fixedly mounted a cutting wink stop device that is connected with last cutter shaft 6 in frame wallboard 11 outsides.
As shown in Figure 2, above-mentioned cutting wink, the concrete structure of stop device was: comprise that cylinder 8, cylinder mounting plate 9, cylinder connect support bar 10 and cylinder piston fixed connecting plate 12, cylinder 8 is installed on the cylinder mounting plate 9, and integral body connects support bar 10 by a pair of cylinder and is fixedly mounted on the frame wallboard 11; Cylinder piston one end of cylinder 8 is fixed on the cylinder piston fixed connecting plate 12;
As shown in Figure 2, above-mentioned cutting wink stop device and the concrete syndeton of last cutter shaft 6 be: at an end of last cutter shaft 6 spindle nose cover 13 is installed, in the spindle nose cover 13 bearing 18 is installed, to keep supplying cutter shaft 6 rotations, this end end face fixed installation end cap 14 of last cutter shaft 6, end cap 14 is pressed on the inner ring of bearing 18, and the outer ring of bearing 18 is pushed down by a spacer ring 15; And spacer ring 15 overlaps 13 end faces by the spindle nose of cylinder piston fixedly connected dull and stereotyped 12 and last cutter shaft 6 and cooperates and compress, and fixes with securing member;
As shown in Figure 2, above-mentioned cutting wink, stop device also comprised the stopping means that the piston rod of a restriction cylinder 8 rotates, it is by being installed in the alignment pin 16 on the cylinder piston connecting plate 12 and being fastened on the cylinder mounting plate 9 and the grooved piece 17 that cooperates with alignment pin 16 is formed, and alignment pin 16 is plugged in the notch of grooved piece 7.
During actual motion, as shown in Figure 2, the piston rod of cylinder 8 stretches out, to go up cutter shaft 6 and be pushed into Far Left, the blade of the following cutter 20 of installation just contacts on the upper slitter of installing on the cutter shaft 6 on this moment 19 and the following cutter shaft 7, as shown in Figure 3, at this moment, cutter sweep is in normal cutting duty, and bag underseal bar coiled material can be cut off by beat-type, is delivered to next station.
A current procedure goes wrong, and the piston rod indentation of cylinder 8 will be gone up cutter shaft 6 and is pulled to rightmost.At this moment go up helical gear 4 its with the contact-making surface of following helical gear 5 on produce axial displacement, make cutter shaft 6 with respect to the circumferential displacement of cutter shaft 7 generations down, the circumferential misalignment gap occurs thereby make between the cutting edge of upper slitter 19 and following cutter 20, as shown in Figure 4, a bag underseal bar coiled material can't be cut off this moment.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technical thought.The technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (4)
1. the continuous feeding cutter sweep of a square bottom valve pocket bag underseal bar, comprise coiled material unwinding device, continuous feeding device and cutter sweep, it is characterized in that: described cutter sweep comprises by a pair of helical gear driving, is installed in the upper and lower cutter shaft between two blocks of frame wallboards; Side at described upper and lower cutter shaft is equipped with the move left and right stroke less than the cutting wink stop device of helical gear to gear thickness; Described cutting wink stop device can be indirectly or is directly driven described helical gear to produce axial displacement on its relative contact, make cutter shaft and following cutter shaft produce circumferential relative displacement, misplacement space occurs thereby make between the cutting edge of the upper slitter that is installed in respectively on the upper and lower cutter shaft and following cutter.
2. the continuous feeding cutter sweep of side's bottom valve pocket bag underseal bar according to claim 1, it is characterized in that: described cutting wink stop device comprises the spindle nose cover that is connected with the axle head of last cutter shaft or following cutter shaft, and pneumatic actuating device, cylinder, cylinder mounting plate, cylinder connect support bar and cylinder piston connecting plate, and cylinder is installed on the cylinder mounting plate and connects support bar by cylinder and is fixedly mounted on the frame wallboard; Cylinder piston one end of cylinder is fixed on the cylinder piston connecting plate, and the cylinder piston connecting plate presses on the end face that is fixed on the spindle nose cover simultaneously; In the spindle nose cover bearing is installed, end cap of axle head fixed installation of last cutter shaft or following cutter shaft, end cap is pressed on the inner ring of bearing, and the outer ring of bearing is pushed down by a spacer ring, and the other end of this spacer ring is resisted against on the fixedly connected flat board of cylinder piston simultaneously.
3. the continuous feeding cutter sweep of side's bottom valve pocket bag underseal bar according to claim 1, it is characterized in that: described cutting wink stop device comprise the spindle nose cover that is connected with the axle head of right any one gear shaft of helical gear, and pneumatic actuating device, cylinder, cylinder mounting plate, cylinder connect support bar and cylinder piston connecting plate, and cylinder is installed on the cylinder mounting plate and connects support bar by cylinder and is fixedly mounted on the frame wallboard; Cylinder piston one end of cylinder is fixed on the cylinder piston connecting plate, and the cylinder piston connecting plate presses on the end face that is fixed on the spindle nose cover simultaneously; In the spindle nose cover bearing is installed, end cap of axle head fixed installation of last cutter shaft or following cutter shaft, end cap is pressed on the inner ring of bearing, and the outer ring of bearing is pushed down by a spacer ring, and the other end of this spacer ring is resisted against on the fixedly connected flat board of cylinder piston simultaneously.
4. according to the continuous feeding cutter sweep of claim 2 or 3 described side's bottom valve pocket bag underseal bars, it is characterized in that: between cylinder mounting plate and cylinder piston connecting plate one stopping means is set; This stopping means comprises the alignment pin that is installed on the cylinder piston connecting plate, and is fastened on the grooved piece on the cylinder mounting plate, and described alignment pin is plugged in the notch of grooved piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182153.8A CN103223732B (en) | 2013-05-15 | 2013-05-15 | Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310182153.8A CN103223732B (en) | 2013-05-15 | 2013-05-15 | Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223732A true CN103223732A (en) | 2013-07-31 |
| CN103223732B CN103223732B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310182153.8A Active CN103223732B (en) | 2013-05-15 | 2013-05-15 | Continuous feeding and cutting device for bag bottom sealing strip of square bottom valve bag |
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| Country | Link |
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| CN (1) | CN103223732B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691852A (en) * | 2014-11-25 | 2016-06-22 | 上海艾录包装股份有限公司 | Sealable valve port paper bag |
| CN106541618A (en) * | 2016-11-02 | 2017-03-29 | 荆门众意包装有限公司 | A kind of complex cement woven bag Scissoring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179851A (en) * | 1999-12-24 | 2001-07-03 | Nozaki Kogyo Kk | Bag manufacturing apparatus |
| CN201264387Y (en) * | 2008-08-08 | 2009-07-01 | 浙江华发生态科技有限公司 | Multifunctional flat cutter |
| CN102602043A (en) * | 2012-02-23 | 2012-07-25 | 成都海科机械设备制造有限公司 | Shearing device |
| CN203236755U (en) * | 2013-05-15 | 2013-10-16 | 常州市恒成塑料机械有限公司 | Continuous feeding and cutting device for square bottom valve bag bottom sealing strip |
-
2013
- 2013-05-15 CN CN201310182153.8A patent/CN103223732B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179851A (en) * | 1999-12-24 | 2001-07-03 | Nozaki Kogyo Kk | Bag manufacturing apparatus |
| CN201264387Y (en) * | 2008-08-08 | 2009-07-01 | 浙江华发生态科技有限公司 | Multifunctional flat cutter |
| CN102602043A (en) * | 2012-02-23 | 2012-07-25 | 成都海科机械设备制造有限公司 | Shearing device |
| CN203236755U (en) * | 2013-05-15 | 2013-10-16 | 常州市恒成塑料机械有限公司 | Continuous feeding and cutting device for square bottom valve bag bottom sealing strip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691852A (en) * | 2014-11-25 | 2016-06-22 | 上海艾录包装股份有限公司 | Sealable valve port paper bag |
| CN105691852B (en) * | 2014-11-25 | 2018-02-16 | 上海艾录包装股份有限公司 | A kind of sealable valve-port paper bag |
| CN106541618A (en) * | 2016-11-02 | 2017-03-29 | 荆门众意包装有限公司 | A kind of complex cement woven bag Scissoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103223732B (en) | 2015-07-08 |
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Effective date of registration: 20210527 Address after: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province Patentee after: Langxi pinxu Technology Development Co., Ltd Address before: 213115 Sanhekou Industrial Development Zone, Zhenglu Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HENGCHENG PLASTIC MACHINERY Co.,Ltd. |
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Effective date of registration: 20220107 Address after: 213000 No. 503, Changhe Road, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Changcheng Machinery Technology Co.,Ltd. Address before: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province Patentee before: Langxi pinxu Technology Development Co., Ltd |