A kind of semi-automatic thermal shrinking package machine
Technical field
The present invention relates to a kind of film sealing machine, more particularly to a kind of semi-automatic thermal shrinking package machine.
Background technology
Thermal contraction machine is also referred to as shrinker, and shrink packaging machine is one of more advanced packing method in market.Except comprising itself
Advantage outside, can also lower split, the stolen possibility of product;Fill suitable for more than one piece article hard-pressed bale and pallet packing.Thermal contraction
Machine is widely used in vial, foamed glue, carton, toy, electronics, electrical equipment, stationery, books, disc, hardware & tools, daily
Product, medicine, cosmetics, beverage, fruit, souvenir label and other items packaging.
Thermal contraction machine generally comprises two conveyer belts for arranging along the longitudinal direction, and one is used for conveying and has covered the to be packaged of film
Thing, is provided with sealing-cutting device;Another enters above thermal contraction device.When various sizes of article is packed, need to adjust
So that film is evenly distributed on band packing material after shrinking, prior art passes through for the position of the sealing line on whole thing to be packaged
The height of the conveyer belt arranged near sealing-cutting device is adjusted, and sealing cutter and sealing seat is made in the middle part sealing film of thing to be packaged,
This mode can transmit interband and form difference in height at two, and prior art enables thing to be packaged more smoothly passing by guided plate
Interband is sent to change.But when difference in height is larger, thing to be packaged run-off the straight when interband conversion is transmitted is larger, it may occur that incline
, the film for being wrapped in beyond the region of objective existence to be packaged is now in soft fluffy state, is susceptible to skew, occurs the position of sealing line inclined
Move, so as to cause the sealing line of thermal contraction rear film not at the middle part of thing to be packaged, packaging quality difference and unsightly.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of semi-automatic thermal shrinking package machine,
On the basis of the position of sealing line can be adjusted, film is made not shift in course of conveying.
For achieving the above object, the invention provides following technical scheme:A kind of semi-automatic thermal shrinking package machine, its feature
It is:Including frame, thermal contraction device, sealing seat, heat-sealing knife rest, the first conveyer belt and the second transmission in the frame, are provided with
Band, the sealing seat are arranged on the top of the first conveyer belt, and first conveyer belt and the second conveyer belt are along the longitudinal direction successively
Arrange, first conveyer belt is adapted with the second belt heights, and second conveyer belt is arranged in thermal contraction device, institute
State sealing seat ring to arrange around the adjacent both sides of the first conveyer belt, the side of the heat-sealing knife rest is hinged in frame, is arranged thereon
There is heat-sealing cutting knife, the heat-sealing knife rest is rotated by axle of hinged place, heat-sealing cutting knife is made closer or far from sealing seat, the envelope
Cut seat and heat-sealing knife rest can be moved up and down, to adjust the height distance between sealing line and the first conveyer belt.
As a further improvement on the present invention, gripper shoe is connected with below the sealing seat, the heat-sealing knife rest is hinged
On the supporting plate, motion thread hole is provided with the gripper shoe, rotatable being provided with vertically is prolonged in the frame
The screw mandrel stretched, the screw mandrel are threadedly coupled with motion thread hole;Or gripper shoe is connected with below the sealing seat, it is described
Heat-sealing knife rest is hinged in gripper shoe, is provided with the lifter rack for vertically extending, in the frame in the gripper shoe
Lifter wheel is rotatably mounted with, the lifter wheel is engaged with lifter rack.
As a further improvement on the present invention, the sealing seat includes the First being arranged in a mutually vertical manner and second, institute
Stating gripper shoe has two pieces, one of lower section for being connected to First, and another piece is connected to second lower section dorsad First
Side, the heat-sealing knife rest are hinged in the dorsad gripper shoe of First, offer motion thread in two pieces of gripper shoes
Hole, the screw mandrel have two, are threadedly coupled with two motion thread holes respectively.
As a further improvement on the present invention, installing rack is provided with the frame, the installing rack is arranged on gripper shoe
Lower section, the drive mechanism rotated for drive screw is installed on the installing rack, the drive mechanism includes handle, active
Axle, driven shaft, chain, are coaxially arranged with travelling gear on two screw mandrels, the chain is engaged with two travelling gears,
The driven shaft is coaxial fixed with two screw mandrels, is coaxially arranged with driven wheel of differential, the driving shaft thereon
It is horizontally set on installing rack, is coaxially arranged with drive bevel gear thereon, the driven wheel of differential is engaged with drive bevel gear, institute
State one end that handle is detachably arranged in driving shaft dorsad drive bevel gear.
As a further improvement on the present invention, guide pad is provided with the gripper shoe, offers on the guide pad and lead
Xiang Kong, is provided with the guide rod for vertically extending in the frame, the guide rod is inserted in pilot hole, and the guide pad can
Along guide rod sliding.
As a further improvement on the present invention, be provided with sliding rack in the frame, first conveyer belt, sealing seat,
Hot knife frame is arranged in sliding rack, the sliding rack can relative thermal constriction device or so sliding in frame, adjustment first pass
Send the relative position of band and the second conveyer belt.
As a further improvement on the present invention, slipping block is provided with the sliding rack, on the slipping block, offers cunning
Hole is moved, sliding bar in the frame, is provided with, the sliding bar is horizontally disposed and two ends extend along the longitudinal direction, the sliding bar
It is inserted in slip hole, the slipping block can be along sliding bar sliding.
As a further improvement on the present invention, the slipping block has four, the two one group phase for being separately mounted to sliding rack
To both sides, the sliding bar has two, and two sliding bars are arranged in parallel, and one group of sliding is passed through per sliding bar described in root
Block.
As a further improvement on the present invention, also include for fixing the fixed mechanism of sliding rack, the fixed mechanism bag
Long tooth bar, short tooth bar, fixed mount, swinging block, pull bar are included, the long tooth bar is arranged in frame, the fixed mount is arranged on to be slided
Move on frame, the slide opening for vertically extending, the top of the short tooth bar are offered on the top of long tooth bar, the fixed mount
End is provided with slide bar, and in the slide bar insertion slide opening, the slide bar can be in sliding up and down in slide opening, horizontally set on the slide bar
There is drive rod, on the fixed mount, be vertically provided with mounting hole, the mounting hole is interconnected with slide opening, the driving
Bar is stretched out from mounting hole, and the swinging block is hinged on fixed mount, and one end of the swinging block is provided with for dialing up drive
The clicking section of lever, the other end are provided with connecting portion, and one end and the connecting portion of the pull bar are hinged, are provided with and supply people on the other end
The grip part of grasping, the short tooth bar are engaged from top with long tooth bar, and short tooth bar is mutually locked with long tooth bar, when pull bar is moved out
It is dynamic, pull swinging block to rotate, be rotated up clicking section, dial up drive rod, lift short tooth bar, so as to release short tooth bar with
The locking of long tooth bar.
As a further improvement on the present invention, the sliding rack is provided with cover plate, the cover plate near the side of grip part
On be provided with through hole, the pull bar is arranged in through hole, and the grip part is stretched out from through hole, and the pull bar can be sliding in the through hole
Move, banking stop is fixed with the pull bar, spring on the pull bar, is arranged with, the spring and banking stop are arranged in cover plate
Cover plate is withstood in side, one end of the spring, and the other end withstands banking stop, inside pushing drawing rod.
Beneficial effects of the present invention, by the upper-lower position for changing sealing seat, to change sealing cutter with sealing seat closure
Height of the position with respect to conveyer belt, when the chest of differing heights is packed, closing position just can be adjusted to the middle part of chest, position
Closed line in the middle part of chest, the uniform force after thermal contraction, sound construction.The present invention is changed by changing the position of sealing seat
Closing position of the film on chest, relative to the existing position that sealing line is adjusted by adjusting one of conveyer belt, keeps away
Exempt to form difference of height in transmission interband, it is to avoid chest is in course of conveying because of difference of height run-off the straight, it is to avoid is inclined by chest and is drawn
The film for rising is rolled, it is to avoid the closed line for causing is rolled by film and is inclined, and then avoids being drawn by closed line inclination after thermal contraction
The discontinuity equalization for rising, hinge structure improve the intensity after film shrink, and more attractive.
Description of the drawings
Fig. 1 is the structure chart of the present invention;
Fig. 2 is the cut-away view of the present invention;
Fig. 3 is the overall structure figure of sealing seat and its drive mechanism;
Fig. 4 is the local structural graph of sealing seat and its drive mechanism;
Fig. 5 is the structure chart for sealing knife rest and its drive mechanism;
Structure charts of the Fig. 6 for fixed mechanism.
1- frames, 2- thermal contraction devices, 3- sealing seats, 4- heat-sealing knife rests, the first conveyer belts of 5-, the second conveyer belts of 6-, 7-
Heat-sealing cutting knife, 8- bracing frames, 9- screw mandrels, 10- installing racks, 11- handles, 12- driving shafts, 13- driven shafts, 14- chains, 15- from
Dynamic bevel gear, 16- drive bevel gears, 17- guide pads, 18- guide rods, 19- sliding racks, 20- slipping blocks, 21- sliding bars, 22- length
Tooth bar, 23- short tooth bars, 24- fixed mounts, 25- swinging blocks, 26- pull bars, 27- slide bars, 28- drive rods, 29- mounting holes, 30- are dialled
Dynamic portion, 31- connecting portions, 32- grip parts, 33- cover plates, 34- springs, 35- banking stops, 36- travelling gears, 37- cylinders.
Specific embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in Fig. 6, a kind of semi-automatic thermal shrinking package machine of the present embodiment, it is characterised in that:Including frame
1, thermal contraction device 2, sealing seat 3, heat-sealing knife rest 4, the first conveyer belt 5 and the second conveyer belt 6, institute are provided with the frame 1
The top that sealing seat 3 is arranged on the first conveyer belt 5 is stated, first conveyer belt 5 is set along the longitudinal direction successively with the second conveyer belt 6
Put, first conveyer belt 5 is adapted with 6 height of the second conveyer belt(Described adaptation refers to the transmission of the first conveyer belt 5 herein
The height of the transmission plane of the height in face and the second conveyer belt 6 has the less height for making film not shift in transmitting procedure
Degree is poor, or the transmission plane of the first conveyer belt 5 and the second conveyer belt 3 is at grade), second conveyer belt 6 arranges
In thermal contraction device 2, the sealing seat 3 is arranged around the adjacent both sides of the first conveyer belt 5, the side of the heat-sealing knife rest 4
It is hinged in frame 1, is provided with heat-sealing cutting knife 7, the heat-sealing knife rest 4 is rotated by axle of hinged place, makes heat-sealing-cutting
Knife 7 can be moved up and down closer or far from sealing seat 3, the sealing seat 3 and heat-sealing knife rest 4, to adjust sealing line and the first transmission
With the height distance between 5.Operating personnel's startup power supply is switched, and is warmed up machinery, and makes the heating of heat-sealing cutting knife 7 arrive uniform temperature, so
Afterwards thing to be packaged is put in the film of folding, then the film for being built-in with thing to be packaged is placed on the first conveyer belt 5, so
Afterwards film stretching is come, is placed on sealing seat 3, by flip-flop toggle sealing-cutting device, seal knife rest 4 and pushed away by a cylinder 37
Dynamic rotation, makes heat-sealing cutting knife 7 rotate towards sealing seat 3, and heat-sealing cutting knife 7 is inconsistent with sealing seat 3 so as to film thermal deformation,
Thing to be packaged is enclosed in film.Then 37 return of cylinder, drives heat-sealing 4 return of knife rest, then the first conveyer belt 5 and second
Conveyer belt 6 starts, and film and thing to be packaged are sent to the second conveyer belt 6 by the first conveyer belt 5, the second conveyer belt 6 by film and
Thing to be packaged is sent in thermal contraction device 2, film temperature distortion in the thermal contraction device 2, is retracted to thing surface to be packaged, and second
The thing to be packaged that thermal contraction is completed is sent thermal contraction device 2 by conveyer belt 6.When the thing to be packaged of differing heights is packed, pass through
Sealing seat 3 is moved up and down with heat-sealing knife rest 4, makes sealing line be located at the middle part of thing to be packaged.Relative to the first conveyer belt 5 of adjustment
Height mode, in transportation, film will not shift, it is to avoid sealing line shifts because of membrane excursion, it is ensured that envelope
Tangent line is located in the middle part of thing to be packaged, improves packaging quality.
Used as a kind of improved specific embodiment, the lower section of the sealing seat 3 is connected with gripper shoe 8, the hot knife
Frame 4 is hinged in gripper shoe 8, and motion thread hole is provided with the gripper shoe 8, rotatable in the frame 1 to be provided with edge
The screw mandrel 9 that vertical direction extends, the screw mandrel 9 are threadedly coupled with motion thread hole;Or the lower section connection of the sealing seat 3
There is gripper shoe 8, the heat-sealing knife rest 4 is hinged in gripper shoe 8, and the liter for vertically extending is provided with the gripper shoe 8
Drop tooth bar, is rotatably mounted with lifter wheel in the frame 1, the lifter wheel is engaged with lifter rack.Needing to adjust
During the height of whole sealing seat 3, rotary screw rod 9 drives sealing seat 3 and heat-sealing knife rest 4 to move up and down, and simple structure is easy to operate,
It is stable;Or lifter wheel is rotated, drive lifter rack to move up and down, so as to drive on sealing seat 3 and heat-sealing knife rest 4
Lower movement.
Used as a kind of improved specific embodiment, the sealing seat 3 includes the First and second being arranged in a mutually vertical manner
Seat, the gripper shoe 8 has two pieces, one of lower section for being connected to First, and another piece is connected to second lower section dorsad the
The side of one, the heat-sealing knife rest 4 are hinged in the gripper shoe 8 of dorsad First, are offered in two pieces of gripper shoes 8
Motion thread hole, the screw mandrel 9 have two, are threadedly coupled with two motion thread holes respectively.Two pieces of gripper shoes 8 are from supported on both sides
Sealing seat 3, makes the uniform force during moving up and down of sealing seat 3, lifts more steady.
As a kind of improved specific embodiment, installing rack 10 in the frame 1, is provided with, the installing rack 10 is arranged
The drive mechanism rotated for drive screw 9, the drive mechanism are installed on the lower section of gripper shoe 8, the installing rack 10
Including handle 11, driving shaft 12, driven shaft 13, chain 14, travelling gear 36, institute on two screw mandrels 9, are coaxially arranged with
State chain 14 to engage with two travelling gears 36, the driven shaft 13 is coaxial fixed with two screw mandrels 9, thereon
Driven wheel of differential 15 is coaxially arranged with, the driving shaft 12 is horizontally set on installing rack 10, is coaxially arranged with initiative taper thereon
Gear 16, the driven wheel of differential 15 are engaged with drive bevel gear 16, and the handle 11 is detachably arranged in driving shaft 12 and carries on the back
To one end of drive bevel gear 16.Operating personnel rotate handle 11, drive driving shaft 12 rotate, by drive bevel gear 16 and from
Dynamic bevel gear 15 is driven, and drives driven shaft 13 to rotate, and then drives two 9 synchronous axial systems of screw mandrel, drive sealing seat 3 smoothly on
Lower movement.
As a kind of improved specific embodiment, guide pad 17 is provided with the gripper shoe 8, on the guide pad 17
Pilot hole is offered, the guide rod 18 for vertically extending in the frame 1, is provided with, the guide rod 18 is inserted into pilot hole
In, the guide pad 17 can be along 18 sliding of guide rod.When bracing frame 8 is moved up and down, the guiding bracing frame sliding about 8 of guide rod 18 is prevented
Only bracing frame 8 shifts during upper and lower sliding, and then prevents sealing seat 3 from offseting, and sealing seat 3 is more stably moved
It is dynamic.
As a kind of improved specific embodiment, sliding rack 19 in the frame 1, is provided with, first conveyer belt 5,
Sealing seat 3, heat-sealing knife rest 4 be arranged in sliding rack 19, the sliding rack 19 can in frame 1 relative thermal constriction device 2 or so
Sliding, adjusts the relative position of the first conveyer belt 5 and the second conveyer belt 6.To make film shrunk on thing to be packaged, and shrinking
Shi Buhui lumps, and during sealing, thing to be packaged is placed near the both sides of heat-sealing cutting knife 7, so that the sealing film of parcel thing to be packaged is big
It is little suitable, will not lump in thermal contraction.And during thermal contraction, need for thing to be packaged to move to thermal contraction device 2
Center, film is uniformly contracted on thing to be packaged, thing to be packaged size change when, cannot make to treat
Packing material is located at the centre position of thermal contraction device 2.Existing semi-automatic thermal shrinking package machine will be waited to wrap by a guided plate
Dress thing is directed to the centre position of thermal contraction device 2.But film is in soft fluffy state when not contracted, is moving along guided plate
During, film can shift, and cause the sealing line of film to shift, and reduce the quality and aesthetics of packaging.This
The bright setting by sliding rack 19, drives the first conveyer belt 5, the 7 overall left and right sliding of sealing seat 3 and heat-sealing cutting knife, makes different chis
The front of center of the very little thing to be packaged in sealing in thermal contraction device 2, the packing material after the completion of sealing is by the
One conveyer belt 5 and the second conveyer belt 6 are transported in thermal contraction device 2 and carry out thermal contraction, and in course of conveying, film does not send skew,
Make sealing line be maintained at the center of thing to be packaged, improve the aesthetics of packaging quality and packaging.
As a kind of improved specific embodiment, slipping block 20, the slipping block 20 in the sliding rack 19, are provided with
On offer slip hole, be provided with sliding bar 21 in the frame 1, the sliding bar 21 is horizontally disposed and two ends along the longitudinal direction
Extend, the sliding bar 21 is inserted in slip hole, and the slipping block 20 can be along 21 sliding of sliding bar.Slided by slipping block 20
Sliding on bar 21 is moved, the left and right sliding of sliding rack 19 is realized, simple structure is reliable.
Used as a kind of improved specific embodiment, the slipping block 20 has four, and two one group is separately mounted to sliding
The opposite sides of frame 19, the sliding bar 21 have two, and two sliding bars 21 are arranged in parallel, per sliding bar 21 described in root
Through one group of slipping block 20.This structure supports sliding racks 19 from multiple points, makes the sliding rack 19 will not be because receiving in slipping
Power is irregular to shift, and makes 19 steady sliding of sliding rack.
As a kind of improved specific embodiment, also include for fixing the fixed mechanism of sliding rack 19, the fixation
Mechanism includes long tooth bar 22, short tooth bar 23, fixed mount 24, swinging block 25, pull bar 26, and the long tooth bar 22 is arranged in frame 1,
The fixed mount 24 is arranged in sliding rack 19, is offered along vertically side on the top of long tooth bar 22, the fixed mount 24
To the slide opening for extending, the top of the short tooth bar 23 is provided with slide bar 27, and in the insertion slide opening of the slide bar 27, the slide bar 27 can
In slide opening, upper and lower sliding, is horizontally arranged with drive rod 28, vertically arranges on the fixed mount 24 on the slide bar 27
There is mounting hole 29, the mounting hole 29 is interconnected with slide opening, and the drive rod 28 is stretched out from mounting hole 29, the swinging block 25
It is hinged on fixed mount 24, one end of the swinging block 25 is provided with for dialing up the clicking section 30 of drive rod 28, another
End is provided with connecting portion 31, and one end and the connecting portion 31 of the pull bar 26 are hinged, and the grasping grasped for people is provided with the other end
Portion 32, the short tooth bar 23 are engaged from top with long tooth bar 22, and short tooth bar 23 is mutually locked with long tooth bar 22, when pull bar 26 it is outside
It is mobile, pull swinging block 25 to rotate, be rotated up clicking section 30, dial up drive rod 28, lift short tooth bar 23, so as to solve
Except short tooth bar 23 and the locking of long tooth bar 22.Under general state, short tooth bar 23 prevents sliding rack with the intermeshing of long tooth bar 22
19 unexpected slidings;When needing to move sliding rack 19, operating personnel pull grip part 32 laterally, pull pull bar 26 to be moved out
It is dynamic, swinging block 25 is rotated, is rotated up clicking section 30, clicking section 30 is contacted with drive rod 28, promotes slide bar 27 to move up,
Short tooth bar 23 is separated with long tooth bar 22, now operating personnel promote sliding rack 19, transmit 19 sliding of sliding rack, adjustment first
With 5 position, after having adjusted, the inside pushing drawing rod 26 of operating personnel makes to stir 30 and rotates down, and separates with drive rod 28,
As Action of Gravity Field, short tooth bar 23 are moved down, engage with long tooth bar 22, fixed sliding rack 19.
Used as a kind of improved specific embodiment, the sliding rack 19 is provided with cover plate near the side of grip part 32
33, through hole is provided with the cover plate 33, the pull bar 26 is arranged in through hole, and the grip part 32 is stretched out from through hole, described
Pull bar 26 can be fixed with banking stop 35 in sliding in through hole, the pull bar 26, and spring 34 is arranged with the pull bar 26, described
Spring 34 and banking stop 35 are arranged on the inside of cover plate 33, and cover plate 33 is withstood in one end of the spring 34, and the other end withstands banking stop
35, inside pushing drawing rod 26.Make pull bar 26 return to original state, drive swinging block 25 to rotate, rotate down clicking section 30, with
Drive rod 28 is separated, and as Action of Gravity Field, short tooth bar 23 are moved down, is engaged with long tooth bar 22, fixed sliding rack 19.In sliding
After the completion of frame 19 is adjusted, spring 34 promotes 23 self-return of short tooth bar, the step of simplifying sliding rack 19 and adjust, and can avoid behaviour
Make personnel after the adjustment to sliding rack 19 is completed, forget to lock sliding rack 19.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.