Summary of the invention
Technical matters to be solved by this invention is to solve the low problem of plastic inflatable bag manufacturing equipment production efficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides a kind of continuous plastic film charging bag manufacturing machine, comprise frame riser and the confession film device, conveyer, gas filled device, heating closing device and the electrical control gear that are arranged on the frame riser, the described film device that supplies comprises mandrel assembly and the support that is used for the suit plastic sheeting roll coil of strip, described support is fixed on the left side of frame riser, the mandrel assembly rotate be arranged on the support and the axis of mandrel assembly vertical with the frame riser; Described conveyer comprises synchronous tape transport, is used to carry plastic film tape, synchronously is fixed with the branch lamina membranacea between the tape transport, this minute lamina membranacea to be level tabular; Described gas filled device comprises blowing engine and the blower that is attached thereto, blowing engine is fixed on the back of frame riser, the frame riser is provided with a blowing through hole, this blowing through hole is arranged on the right-hand of branch lamina membranacea and relative with the opening of plastic film bag, and the blowing through hole is connected with the air outlet of blowing engine by blower; Described heating closing device comprises horizontal backing plate and heating piece, and described horizontal backing plate is fixedly installed on the right-hand member of blowing through hole, and the heating piece is arranged on the top of horizontal backing plate; Described electrical control gear comprises heating unit, temperature detecting unit and control unit, and described heating unit is connected with the heating piece, and described control unit receives the temperature detecting unit temperature signal and at this temperature signal startup stepping motor during more than or equal to preset value.
In the such scheme, the described film device that supplies also comprises tension-adjusting gear, comprise mandrel assembly and support for film device, support is fixed on the left side of frame riser, the mandrel assembly comprises tie down screw, be set with the film volume sleeve that is used to install the plastic film bag volume on this tie down screw, the left end of tie down screw is fixed with locking lever, the outside face of film volume sleeve is step axle shape and right-hand member diameter less than left end, the left side that the small diameter portion of this film volume sleeve right-hand member is passed support and step surface and support offsets, the right-hand member of tie down screw passes and is spirally connected with adjusting handle after film is rolled up the right side of sleeve, is set with elastic caoutchouc cover and this elastic caoutchouc on the tie down screw and overlaps between locking lever and film volume sleeve; Described tension-adjusting gear comprises nutted rod, tensioning spring, swing arm, holder film bar and tension wheel, tension wheel is fixed on the right external part of the film volume sleeve between adjusting hand wheel and the support, holder film bar is parallel with the mandrel assembly respectively with nutted rod, holder film bar is fixed on the frame riser, its free end is provided with a curve, the middle and upper part and the support of swing arm are hinged, nutted rod is fixed on the other end of swing arm, the two ends of tensioning spring are connected with support with swing arm respectively, under the effect of tensioning spring, the upper end of swing arm is close on the outside face of tension wheel.
The present invention by supplying film continuously for film device, forms one by one air bag continuously through conveyer, gas filled device and closing device, and the continuous production of the air bag of realization has improved the production efficiency of plastic inflatable bag manufacturing equipment greatly.
The specific embodiment
The invention provides a kind of continuous plastic film charging bag manufacturing machine, comprise frame riser and the confession film device, conveyer, gas filled device, heating closing device and the electrical control gear that are arranged on the frame riser, be used for prefabricated continuous plastic film bag is put on the air, seals the banded continuous air bag of formation.
Below in conjunction with accompanying drawing the present invention is made detailed explanation.
The continuous plastic film bag that is applicable to continuous plastic film charging bag manufacturing machine of the present invention has structure as shown in Figure 1, it is folded in half into double-plastic band 100 by single layer plastics films or by last, stacked down two layers of plastic thin films is bonded plastic film tape 100 on the long limit of a side, from the fold position of plastic film tape 100 or bonding place 101 be provided with some vertical with this side respectively cemented side seams 102 this plastic film tape 100 be separated into a plurality of continuous opening bags, leave an intersegmental crack 103 between the edge of the front end of this cemented side seam 102 and another side of plastic film tape, cemented side seam 102 is provided with an exhausting hole 104, be used for continuous plastic film bag tear fracture, so this plastic film bag forms behind air bag according to actual needs, and tear fracture becomes one by one independently bag or several continuous inflating baies.
Fig. 2 is a perspective view of the present invention, Fig. 3 is for supplying the film device structural representation, as Fig. 2, shown in Figure 3, comprise mandrel assembly 11 and support 14 for film device, support 14 is fixed on the infeed end of frame riser 1, mandrel assembly 11 comprises tie down screw 113, be set with the film volume sleeve 114 that is used to install the plastic film bag volume on this tie down screw 113, the left end of tie down screw 113 is fixed with locking lever 111, the outside face of film volume sleeve 114 is step axle shape and the right-hand member diameter is less, the left side that the small diameter portion of these film volume sleeve 114 right-hand members is passed support 14 and step surface and support 14 offsets, the right-hand member of tie down screw 113 passes and is spirally connected with adjusting handle 115 after film is rolled up the right side of sleeve 114, is set with elastic caoutchouc cover 112 and this elastic caoutchouc cover 112 on the tie down screw 113 between locking lever 111 and film volume sleeve 114.Rotate adjusting hand wheel 115, hold locking lever 111, locking lever 111 indentation to the right so locking lever 111 pushes elastic caoutchouc cover 112 to the right, thereby rolls up its external diameter chap tensioner plastic film bag.
Also be provided with tension-adjusting gear for film device, as shown in Figure 4, described tension-adjusting gear comprises nutted rod 15, tensioning spring 18, swing arm 17, holder film bar 16 and tension wheel 13, tension wheel 13 is fixed on the right external part of the film volume sleeve 114 between adjusting hand wheel 115 and the support 14, holder film bar 16 is parallel with mandrel assembly 11 respectively with nutted rod 15, holder film bar 16 is fixed on the frame riser 1, its free end is provided with a curve, be used to stop that plastic film bag deviates from, the middle and upper part of swing arm 17 and support 14 are hinged, nutted rod 15 is fixed on the other end of swing arm 17, the two ends of tensioning spring 18 are connected with support 14 with swing arm 17 respectively, under the effect of tensioning spring 18, the upper end of swing arm 17 is close on the outside face of tension wheel 13.As shown in Figure 5, after plastic film bag was exported from supply film device continuously, walking around also from the lower surface of nutted rod 15, support entered conveyer in the upper surface of holder film bar 16.With reference to figure 5, when conveyer is worked, the plastic film bag tractive nutted rod 15 that makes progress, drive upwards swing of swing arm 17,, but roll up sleeve 114 normal rotation for the film of film device so tension wheel 13 is left in swing arm 17 upper ends, supply film continuously to conveyer, simultaneously tensioning spring 18 tensions produce elastic deformation, continuously in the membrane process, swing arm 17 upper ends according to plastic film bag to its upper end of pulling force automatic compensation of nutted rod 15 and the pressure between the tension wheel 13.When conveyer stopped, plastic film bag disappeared to the pulling force of nutted rod 15, and tensioning spring 18 resets, swing arm 17 is swung left, so tension wheel 13 is close in the upper end of swing arm 17 it is pinned, the mandrel 11 for film device is stopped operating, no longer supply film to conveyer.
Described conveyer comprises synchronous tape transport, synchronous belt drive mechanism is respectively by last, following driving wheel 21, on, following flower wheel 22 and respectively ring set on the driving wheel 21 and the flower wheel 22 that are positioned on the same horizon, be with 23 to form synchronously, on, following driving wheel 21 is arranged on discharge end, relative with 23 the flank of tooth synchronously, on, the thickness that equals plastic film bag synchronously with the spacing between 23 on the following driving wheel 21, driving wheel 21 is driven through gear case by stepping motor 24, move right continuously thereby drive plastic film bag, the output shaft that stepping motor 24 and gear case are fixed on the rear of riser 1 and gear case passes frame riser 1 and is connected with driving wheel 21.
On in the synchronous tape transport, be provided with branch lamina membranacea 25 between the following flower wheel 22, this minute lamina membranacea 25 to be the tabular and left end of level be wedge shape, after plastic film bag is exported from supply film device, arrive the wedge shaped tip place that divides lamina membranacea 25 through nutted rod 15 and holder film bar 16, by minute lamina membranacea 25 its peristome is strutted, flower wheel 22 right-hand is fixed with elastic pressuring clamping device up and down respectively up and down, wherein going up elastic pressuring clamping device will be pressed on the upper surface of branch lamina membranacea 25 by the upper strata plastic sheeting of last flower wheel output, and following elastic pressuring clamping device will be pressed on the lower surface of branch lamina membranacea 25 by lower floor's plastic sheeting of flower wheel output down.
Described gas filled device comprises blowing engine 31 and the blower that is attached thereto, blowing engine is fixed on the back of frame riser 1, frame riser 1 is provided with a blowing through hole 26, this blowing through hole 26 is arranged on the right-hand of branch lamina membranacea 25 and relative with the opening of plastic film bag, and blowing through hole 26 is connected by the air outlet of blower with blowing engine 31.
Described heating closing device comprises heating piece 42 and horizontal backing plate 41, described horizontal backing plate 41 is fixedly installed on the right-hand of blowing through hole, heating piece 42 is arranged on the top of horizontal backing plate 41, the opening part of plastic film bag continuously between heating piece 42 and the horizontal backing plate 41 by and be heated adhesive seal.
The upper end of heating piece 42 connects the change-over swith that is arranged on frame riser 1 top, rotating this change-over swith moves down and horizontal backing plate 41 applyings heating piece 42, be used for opening part heated sealant with the plastic film bag between heating piece 42 and the horizontal backing plate 41, the heating-up temperature of piece 42 of wherein generating heat is controlled by electrical control gear, and warm-up control adopts known technology.
Described electrical control gear comprises temperature detecting unit and control unit, described control unit receives the temperature signal of the heating piece that temperature detecting unit detects and starts stepping motor 24 during more than or equal to preset value in this temperature, do not reach setting value as heating-up temperature, stepping motor does not move.
Working process of the present invention is as follows:
Continuous plastic film bag volume is sleeved on on the volume of the film on the film device sleeve 114, its peristome is towards riser 1, before plastic film bag is introduced up and down conveyer, be introduced into the below of nutted rod, because an end of nutted rod is fixed on the fork, and the other end of fork is close to tension wheel, nutted rod is subjected to the effect of tensioning spring, being at ordinary times on the outside face that is close to tension wheel remains static tension wheel, when driving device is worked up and down, nutted rod is subjected to lifting on the tension of plastic film bag, make fork break away from tension wheel, be provided with holder film bar in the entrance of plastic film bag, play the effect of holder film and location, plastic film bag can not moved forward and backward, pass holder film bar after with the opening part of double-ply plastic film bag separately, penetrate the branch lamina membranacea respectively, on minute lamina membranacea, have driven pulley, this driven pulley will guide film to enter synchronous band, synchronous band be respectively equipped with up and down can adjustment pressure hold-down mechanism, make up and down that film is close on the branch lamina membranacea, in order to avoid cause gas leakage during inflation, translator unit is all undertaken by speed reduction gearing by synchronous dynamo, with constant speed operation.When plastic sheeting arrives midway location, speed reaches 18000 rev/mins high-speed blower by inflation through hole ejection high velocity air, powerful air-flow moment is full of sack, the sack of having heaved continues to enter closing device to the right, by the heated at constant temperature piece opening part of this plastic film bag is merged, under the state of constant speed, constant temperature, constant voltage, sealed firmly.
Be provided with in order to adjust the knob of high-speed blower wind-force at the rear portion of machine, to adapt to the bag film of different size, the start and stop of synchronous dynamo are jointly controlled by control unit and change-over switch, if promptly change-over switch is in manual position, control unit cuts off the power supply of synchronous dynamo, just starts synchronous dynamo when having only the temperature that is in auto state and heating piece when change-over switch to reach preset value.
Major functions and features of the present invention is:
1. production efficiency height, the present invention has realized the continuous production of plastic inflatable bag, has improved production efficiency greatly;
2. environmental protection: adopt degradable plastic films as products material;
3. stream time is long: the operation part adopts synchronous dynamo, and contact pointless control is reliable, improves the life-span;
4. fault-operation protection; When sealing temperature does not reach requirement, can not start shooting, force start the audible alarm prompting will occur, and stop heating automatically, thus the service life of improving Sealing strap;
5. heating pipe and temp probe are made of one dexterously, reduce the volume of heat block, improve the temperature control effect.
6. seal the temperature of heat block and carry out thermostatic control by high-precision intelligent temperature gage, temperature deviation is little, seals firmly not broken;
7. the high-speed blower air quantity is adjustable, to adapt to the sack of various different sizes;
8. be provided with heating indication, heating is finished indication, work indication, power supply indication and maloperation and is stopped to indicate;
9. be provided with elastic pressuring clamping device up and down, plastic film bag is operated steadily, air tight;
10. adopt self-actuating brake form, the tensile force of automatic compensation film for film device.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.