Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of Full-automatic film sealing packer
Detection conveying mechanism, makes to keep between thing to be packaged fixed range.
For achieving the above object, the technical scheme is that the inspection of a kind of Full-automatic film sealing packer
Survey conveying mechanism, including frame, for placing the film roll of thin film, for carrying thin film and by thin-film covering on thing to be packaged
Film feeding set film device, for the sealing-cutting device of sealing thin film and send thing device for carry thing to be packaged, described film roll, send
Membrane cover film device, sealing-cutting device and send thing device to be arranged in frame, wherein, send thing device that thing to be packaged is transported to film feeding
Set film device carries out mantle, is transported to sealing-cutting device afterwards and carries out sealing, it is characterised in that send thing device to include in a word described in:
The first conveyer belt being arranged in frame and the second conveyer belt, described first conveyer belt and the second conveyer belt are provided with for adjusting
Saving the detection governor motion of thing spacing to be packaged, described detection governor motion includes that being arranged on the first conveyer belt transmits near second
First photoelectric sensor of one end of band and be arranged on second conveyer belt the second photoelectric sensing near one end of the first conveyer belt
Device, described first photoelectric sensor and the second photoelectric sensor communicate to connect with the first conveyer belt and the second conveyer belt respectively,
When the first photoelectric sensor or the second photoelectric sensor detect thing to be packaged, the first conveyer belt and second transmits
Band runs simultaneously;When the first photoelectric sensor and the second photoelectric sensor are all not detected by thing to be packaged, the second conveyer belt stops
Only.
As a further improvement on the present invention, described frame is provided with for installing the first photoelectric sensor and the second light
The mounting assembly of electric transducer, described mounting assembly includes connecting seat, sensor installing plate, fastening bolt and connection button, described
First photoelectric sensor and the second photoelectric sensor are respectively and fixedly installed on different sensor installing plates, on described installing plate
Offering screwed hole, described connection seat offers link slot, described connection button includes the first connecting portion and being wholely set
One Access Division, described first connecting portion through link slot and is threadeded with the screwed hole on installing plate, is made the first Access Division card
Connecting on seat, being arranged on installing plate slip on connection seat, described first photoelectric sensor and the second photoelectric sensor
On be provided with stationary plane, described stationary plane props up connection seat, described frame offers screwed hole, described connection seat is offered
Having regulating tank, described fastening bolt to include the second connecting portion and the second Access Division, described second connecting portion passes regulating tank, makes the
Two Access Divisions prop up connection seat, by being arranged in frame of connection seat slip.
As a further improvement on the present invention, described film feeding set film device includes the membrane being arranged on the second conveyer belt side
Device, near film roll arrange put film device and be arranged on the first conveyer belt both sides up and down turn over film set square, wherein, thin
One end of film, after film roll pulls out, first passes through and puts film device again through turning over the receiving sky of film set square turnover one opening of formation
Between, then film drawing device merges opening and pulls thin film, and described film drawing device mutually links with putting film device, to regulate thin film
Rate of tension, described film drawing device includes membrane motor, upper belt-wheel assembly and lower pulley assemblies, and described membrane motor is fixed on frame
On, described upper belt-wheel assembly and lower pulley assemblies is close to each other and is formed betwixt for carrying the conveying gap of thin film, described
Upper belt-wheel assembly includes upper mounting plate, the first driving gear, the first driven gear, upper cingulum and upper regulating wheel, described upper installation
Plate is fixedly mounted in frame, and described first driving gear, the first driven gear and upper regulating wheel are rotatably mounted to peace
On dress plate, described upper cingulum is enclosed within the first driving gear, the first driven gear and upper regulating wheel, and described lower pulley assemblies includes
Lower installation board, the second driving gear, the second driven gear, lower cingulum and lower regulating wheel, described lower installation board is fixedly mounted on machine
On frame, described second driving gear, the second driven gear and lower regulating wheel are rotatably mounted on upper mounting plate, described lower tooth
Band is enclosed within the first driving gear, the first driven gear and upper regulating wheel, and described upper belt-wheel assembly and lower pulley assemblies are arranged
Having the drive mechanism making upper belt-wheel assembly with lower pulley assemblies synchronous axial system, described drive mechanism includes same with the first driving gear
The first travelling gear and the second travelling gear of being coaxially disposed of the second driving gear that axle is arranged and be co-axially located at second actively
Connection gear between gear and the second travelling gear, described second travelling gear and the engagement of the first travelling gear, described connection
Gear is connected with membrane motor-driven.
As a further improvement on the present invention, put film device described in include putting film motor, for regulating thin film rate of tension
Strainer and for pulling the film discharging roller of thin film, described in put film motor and be fixedly mounted in frame, described film discharging roller is rotatable
Be arranged in frame, described strainer includes tensioning frame, for the roll shaft of stretch wrap film, for regulating the weight of tensioning frame
Hammer into shape, be used for regulating the travel switch of membrane motor speed and for stirring the eccentric of travel switch, fixing on described tensioning frame
Being provided with installation axle, the two ends of described installation axle are rotatably mounted in frame, and described tensioning frame is rotatable by installing axle
Be arranged in frame, described film discharging roller is connected with putting film motor-driven, and described travel switch is connected with membrane its communications, institute
Stating weight and be fixed on one end of tensioning frame, described roll shaft is arranged on the tensioning frame other end relative to weight, described film discharging roller with
Roll shaft interval is arranged, and one end of thin film pulls out from film roll, is first wrapped on roll shaft, then through film discharging roller, pulls downward on roll shaft,
Described travel switch is arranged in frame, and described eccentric is arranged on installation axle near one end of travel switch.
As a further improvement on the present invention, described second conveyer belt includes conveyer belt and is connected with membrane motor-driven
Conveying assembly, described conveying assembly includes driving shaft, support shaft, conveyer belt, two driven shafts, described driving shaft, driven shaft and
Support shaft is rotatably mounted in frame, and described conveyer belt is coated on driving shaft and driven shaft, and described support shaft is arranged on
Below conveyer belt and prop up conveyer belt, one end of described driving shaft is provided with the 3rd driving gear, and one end of described driven shaft sets
Being equipped with the 3rd driven gear, described 3rd driving gear and the 3rd driven gear are connected by chain drive, described driving shaft
The other end is provided with the 4th driving gear, and described 4th driving gear is connected by chain drive with being connected gear.
As a further improvement on the present invention, described upper mounting plate and lower installation board are provided with for regulating film position
Preset mechanism, described preset mechanism is arranged between the first conveyer belt and film drawing device, and described preset mechanism includes guiding
Wheel assembly, lower guide wheel assemblies and adjustable plate, under described lower guide wheel assemblies includes lower directive wheel and is enclosed within lower directive wheel
Rubber ring, described lower directive wheel is rotatably mounted on lower installation board, and described adjustable plate is fixedly mounted on lower installation board, institute
State guide wheel assemblies and include regulating block, upper directive wheel, fixed plate, regulation spring, upper rubber ring and regulation bolt, described regulation
Block is rotatably mounted on upper mounting plate, and described upper directive wheel is rotatably mounted on regulating block, and described fixed plate is installed
On upper mounting plate, described fixed plate offering screwed hole, described regulation bolt is threadeded with screwed hole, described regulation bullet
One end of spring is fixed on regulation bolt, and described regulating block offers the circular groove that the other end for regulation spring inserts, described
The other end of regulation spring inserts circular groove and fixing with regulating block is connected, promotes regulating block, so that leading under upper directive wheel is close
To wheel.
As a further improvement on the present invention, the adjusting means for regulating object location to be packaged, described regulation are also included
Device include the first adjusting rod for regulating object location to be packaged and the second adjusting rod and for regulate the second adjusting rod with
The governor motion of the first adjusting rod distance, described first adjusting rod and the second adjusting rod are separately positioned on the two of the first conveyer belt
Side, described first adjusting rod and governor motion are arranged in frame.
As a further improvement on the present invention, described governor motion includes the tooth bar being fixed in frame, the setting of slip
The regulation tooth block put the conditioning box in frame, being arranged on conditioning box and the adjusting part regulating tooth block for movement, described
Second adjusting rod is arranged on conditioning box, and described adjusting part includes the pull bar being arranged on conditioning box of slip, rotatable
The swinging block being arranged on conditioning box, the fixed block being fixed on conditioning box and with regulation tooth block fix the adjusting rod being connected,
Offering chute on described fixed block, described adjusting rod passes chute, by being arranged on conditioning box of regulation tooth block slip, institute
The one end stating swinging block is hinged with pull bar, and the other end is used for promoting adjusting rod, makes regulation tooth block separate with tooth bar.
Beneficial effects of the present invention, controls the first conveyer belt and by the first photoelectric sensor and the second photoelectric sensor
The operating of two conveyer belts, thus dynamically adjust the distance between thing to be packaged, make to keep between thing to be packaged fixed range, and then make thin
Film can be evenly distributed on the surface of thing to be packaged when sealing, improves packaging quality, and reduces the loss of thin film.
Detailed description of the invention
Below in conjunction with the embodiment given by accompanying drawing, the present invention is described in further detail.
Referring to figs. 1 through shown in Fig. 6, the detection conveying mechanism of a kind of Full-automatic film sealing packer of the present embodiment, bag
Including rack 1, for place thin film film roll 2, for carry thin film and by thin-film covering on thing to be packaged film feeding mantle dress
Put 3, for the sealing-cutting device of sealing thin film and send thing device 4, described film roll 2, film feeding mantle for carry thing to be packaged
Device 3, sealing-cutting device and send thing device 4 to be arranged in frame 1, wherein, send thing device 4 that thing to be packaged is transported to film feeding set
Film device 3 carries out mantle, is transported to sealing-cutting device afterwards and carries out sealing, it is characterised in that send thing device 4 to include in a word described in:
The the first conveyer belt s1 being arranged in frame 1 and the second conveyer belt s2, described first conveyer belt s1 and the second conveyer belt s2 sets
Being equipped with the detection governor motion for regulating thing spacing to be packaged, described detection governor motion includes being arranged on the first conveyer belt s1
Near the first photoelectric sensor c1 of one end of the second conveyer belt s2 be arranged on the second conveyer belt s2 near the first conveyer belt s1
One end the second photoelectric sensor c2, described first photoelectric sensor c1 and the second photoelectric sensor c2 respectively with first transmit
Band s1 and the second conveyer belt s2 communication connection, when the first photoelectric sensor c1 or the second photoelectric sensor c2 detects thing to be packaged
Time, the first conveyer belt c1 and the second conveyer belt c2 synchronous operation;When the first photoelectric sensor c1 and the second photoelectric sensor c2 is equal
When being not detected by thing to be packaged, the second conveyer belt s2 stops.Thing to be packaged is from the first conveyer belt s1 the second conveyer belt s2's dorsad
One end enters, and the first conveyer belt s1 carries to be packaged to the direction of the second conveyer belt s2, when the first photoelectric sensor c1 detects
During to thing to be packaged, the first conveyer belt s1 and the second conveyer belt s2 continues to run with, by thing to be packaged to the second photoelectric sensor c2
Conveying, when the second photoelectric sensor c2 detects thing to be packaged, the first conveyer belt s1 and the second conveyer belt s2 continues to run with, when
Thing to be packaged leaves the second photoelectric sensor c2 and the first photoelectric sensor c1 is not detected by next thing to be packaged, thing to be packaged
Between distance beyond preset range, the second conveyer belt s2 stops, and makes thing to be packaged stop, waiting that the first conveyer belt s1 is by the next one
Thing to be packaged conveying is close, and when the first photoelectric sensor c1 detects next thing to be packaged, thing to be packaged is treated with the next one
Distance between packing material is suitable for, and starts the second pipeline, synchronizes to transport thing to be packaged and next one thing to be packaged.By above-mentioned step
Suddenly, the distance between thing to be packaged is dynamically adjusted, and makes thin film can be evenly distributed on thing to be packaged, facilitates subsequent packages to walk
Rapid carrying out, improves packaging quality, and reduces the loss of thin film.
As a kind of detailed description of the invention improved, described frame 1 is provided with for installing the first photoelectric sensor c1
With the mounting assembly of the second photoelectric sensor c2, described mounting assembly includes connecting seat B1, sensor installing plate B2, fastening bolt
B3 and connection button B4, described first photoelectric sensor c1 and the second photoelectric sensor c2 are respectively and fixedly installed to different sensors
On installing plate B2, described installing plate B2 offers screwed hole, described connection seat B1 offers link slot B5, described connection button
B4 includes the first connecting portion and the first Access Division B42 being wholely set, described first connecting portion through link slot B5 and with installation
Screwed hole on plate B2 is threaded, makes the first Access Division B42 be stuck on connection seat B1, by being arranged on of installing plate B2 slip
Connect on seat B1, described first photoelectric sensor c1 and the second photoelectric sensor c2 is provided with stationary plane c11, described fixing
Face c11 props up connection seat B1, described frame 1 offers screwed hole, described connection seat B1 offers regulating tank B6, described tightly
Fixing bolt B3 includes the second connecting portion and the second Access Division B32, and described second connecting portion passes regulating tank B6, makes the second Access Division
B32 props up connection seat B1, by being arranged in frame 1 of connection seat B1 slip.Connect seat B1 slip is arranged on frame 1
On, thus adjust the first photoelectric sensor c1 and the height of the second photoelectric sensor c2, setting of sensor installing plate B2 slip
Putting and connecting on seat B1, thus regulate the first photoelectric sensor c1 and the distance of the second photoelectric sensor c2, it is right to enable the invention to
The thing to be packaged answering different volumes is adjusted, and enables the invention to be applicable to different things to be packaged, increases the use of the present invention
Scope.
As a kind of detailed description of the invention improved, described film feeding set film device 3 includes being arranged on the second conveyer belt s2 mono-
The film drawing device L of side, near film roll 2 arrange put film device F and be arranged on the first conveyer belt s1 both sides up and down turn over film
Set square, wherein, one end of thin film, after film roll 2 pulls out, first passes through and puts film device F again through turning over the turnover of film set square, shape
Becoming the receiving space of an opening, then film drawing device L merges opening pull thin film, described film drawing device L with put film device F
Mutually linkage, to regulate the rate of tension of thin film, described film drawing device L includes membrane motor L1, upper belt-wheel assembly L2 and lower belt wheel
Assembly L3, described membrane motor L1 are fixed in frame 1, described upper belt-wheel assembly L2 and lower pulley assemblies L3 is close to each other and
Forming the conveying gap 5 for carrying thin film therebetween, described upper belt-wheel assembly L2 includes upper mounting plate L21, the first driving gear
L22, the first driven gear L23, upper cingulum L24 and upper regulating wheel L25, described upper mounting plate L21 is fixedly mounted in frame 1,
Described first driving gear L22, the first driven gear L23 and upper regulating wheel L25 are rotatably mounted on upper mounting plate L21,
Described upper cingulum L24 is enclosed within the first driving gear L22, the first driven gear L23 and upper regulating wheel L25, described lower band wheels
Part L3 includes lower installation board L31, the second driving gear L32, the second driven gear L33, lower cingulum L34 and lower regulating wheel L35, institute
State lower installation board L31 to be fixedly mounted in frame 1, described second driving gear L32, the second driven gear L33 and lower regulating wheel
L35 is rotatably mounted on upper mounting plate L21, and described lower cingulum L34 is enclosed within the first driving gear L22, the first driven gear
On L23 and upper regulating wheel L25, described upper belt-wheel assembly L2 and lower pulley assemblies L3 are provided with and make upper belt-wheel assembly L2 and lower band
The drive mechanism of wheel assembly L3 synchronous axial system, described drive mechanism includes the first biography being coaxially disposed with the first driving gear L22
The second travelling gear L5 that moving gear L4 and the second driving gear L32 is coaxially disposed and be co-axially located at the second driving gear L32
And connection gear L6, described second travelling gear L5 and the first travelling gear L4 engagement that second between travelling gear L5, described
Connect gear L6 to be in transmission connection with membrane motor L1.Thin film is placed in film roll 2, after one end pull-out of thin film, first walks around and puts
Film device F, is then passed through upper and lower two and turns over film set square, turns over film set square and is turned down by thin film, and the receiving forming an opening is empty
Between, the first conveyer belt s1 is wrapped in receiving space in, the thin film of lower section through the first conveyer belt s1 and the second conveyer belt s2 it
Between gap time, from gap through top, the thing to be packaged on the first conveyer belt s1 is transported to the second conveyer belt s2 the most at this moment,
Enter into receiving space in, then thin film enter conveying gap 5, opening close, membrane motor L1 band be dynamically connected gear L6 rotate,
Thus drive the second travelling gear L5 to rotate, drive the first travelling gear L4 to rotate, and then make the first driving gear L22 and second
Driving gear L32 rotates, and in drive, cingulum L24 and lower cingulum L34 rotates, and upper cingulum L24 and lower cingulum L34 clamps thin film, draws
Dynamic film movement.The setting of upper regulating wheel L25 makes cingulum L24 be three-legged structure, and in raising, cingulum L24 keeps the energy of tensioning
Power, the setting of lower regulating wheel L35 is also such, thus ensures that upper cingulum L24 and lower cingulum 34 clamp the power of thin film, makes thin film energy
Persistently carry.
As a kind of detailed description of the invention improved, described in put film device F and include putting film motor F2, open for regulating thin film
The strainer of tightness and for pulling the film discharging roller F3 of thin film, described in put film motor F2 and be fixedly mounted in frame 1, described in put
Film roller F3 is rotatably mounted in frame 1, and described strainer includes tensioning frame F1, the roll shaft F4 for stretch wrap film, use
In the weight F5 of regulation tensioning frame F1, for regulating the travel switch F6 of membrane motor L1 rotating speed and being used for stirring travel switch F6
Eccentric F7, described tensioning frame F1 is installed with installation axle F8, the two ends of described installation axle F8 are rotatably mounted to
In frame 1, described tensioning frame F1 by install axle F8 be rotatably mounted in frame 1, described film discharging roller F3 with put film motor
F2 is in transmission connection, and described travel switch F6 and membrane motor L1 communicates to connect, and described weight F5 is fixed on one end of tensioning frame F1,
Described roll shaft F4 is arranged on the tensioning frame F1 other end relative to weight F5, and described film discharging roller F3 and roll shaft F4 interval is arranged, thin
One end of film pulls out from film roll 2, is first wrapped on roll shaft F4, then through film discharging roller F3, pulls downward on roll shaft F4, described stroke
Switch F6 is arranged in frame 1, and described eccentric F7 is arranged on installation axle F8 near one end of travel switch F6.Described film of putting fills
That puts F puts the film speed membrane speed more than membrane motor L1, and putting the thin film between film device F and film drawing device L can gradually increase
Add, lax, the position of weight F5 regulation tensioning frame F1, increase the distance between roll shaft F4 and film drawing device L, and pull thin film,
So that thin film keeps tensioning, when tensioning frame F1 rotates to certain position, eccentric F7 stirs travel switch F6, accelerates membrane electricity
The membrane speed of machine L1, the pulling force of thin film becomes big, and regulation tensioning frame F1 leaves travel switch F6 toward back rotation, eccentric F7, draws
Film motor L1 slows.The most dynamically adjust, make thin film be in the state of a tensioning all the time, keep thin film straight, make
Thin film is evenly distributed in the surface of thing to be packaged, improves packaging quality.
As improve a kind of detailed description of the invention, described second conveyer belt s2 include conveyer belt s23 and with membrane motor
The conveying assembly that L1 is in transmission connection, described conveying assembly includes driving shaft s21, support shaft s22, conveyer belt s23, two driven shafts
S24, described driving shaft s21, driven shaft s24 and support shaft s22 be rotatably mounted in frame 1, and described conveyer belt s23 is coated with
On driving shaft s21 and driven shaft s24, described support shaft s22 is arranged on below conveyer belt s23 and props up conveyer belt s23, described
One end of driving shaft s21 is provided with the 3rd driving gear s25, and one end of described driven shaft s24 is provided with the 3rd driven gear
S26, described 3rd driving gear s25 and the 3rd driven gear s26 are connected by chain drive, another of described driving shaft s21
End is provided with the 4th driving gear s27, described 4th driving gear s27 and is connected by chain drive with being connected gear L6.Membrane
Motor L1 rotates, and drives the 3rd driving gear s25 to rotate, and drives the 3rd driven gear s26 to rotate, thus drives driving shaft s21
Rotating, so that conveyer belt s23 runs, carry thing to be packaged, be arranged such, film drawing device L and the second conveyer belt s2 makes jointly
With membrane motor L1, make the conveying with thing to be packaged that transmits of thin film synchronize to carry out, make thin film be evenly distributed on thing to be packaged,
Improve packaging quality.
As a kind of detailed description of the invention improved, described upper mounting plate L21 and lower installation board L31 is provided with for adjusting
The preset mechanism Y, described preset mechanism Y of joint film position are arranged between the first conveyer belt s23 and film drawing device L, described pre-
Regulating mechanism Y includes that guide wheel assemblies Y1, lower guide wheel assemblies Y2 and adjustable plate Y3, described lower guide wheel assemblies Y2 lead under including
It is rotatably mounted to lower installation board to wheel Y21 and the lower rubber ring Y22, described lower directive wheel Y21 being enclosed within lower directive wheel Y21
On L31, described adjustable plate Y3 is fixedly mounted on lower installation board L31, described upper guide wheel assemblies Y1 include regulating block Y11, on
Directive wheel Y12, fixed plate Y13, regulation spring Y14, upper rubber ring Y15 and regulation bolt Y16, described regulating block Y11 is rotatable
Be arranged on upper mounting plate L21, described upper directive wheel Y12 is rotatably mounted on regulating block Y11, described fixed plate Y13
Being arranged on upper mounting plate L21, described fixed plate Y13 offers screwed hole, described regulation bolt Y16 is with screwed hole screw thread even
Connecing, one end Y14 of described regulation spring is fixed on regulation bolt Y16, described regulating block Y11 offers for regulation spring
The circular groove that other end Y14 inserts, the other end of described regulation spring Y14 inserts circular groove and fixing with regulating block Y11 is connected, promotion
Regulating block Y11, so that upper directive wheel Y12 is near lower directive wheel Y21.Thin film is before entering film drawing device L, and its both sides first pass through
Between upper directive wheel Y12 and lower directive wheel, the distance of regulation both sides, upper directive wheel Y12 floats setting, makes the directive wheel Y12 can
With elevated, in increase, directive wheel Y12 and the spacing of lower directive wheel Y21, facilitate thin film to put into, and after thin film is put into, regulates spring
Directive wheel Y12 return in Y14 promotion, and the position of directive wheel Y12 can be regulated when thin film carries, make directive wheel Y12 pair
The power of thin film dynamically regulates, and makes thin film be difficult to be staved when changing the direction of motion.By preset mechanism Y, thin film is made to enter
Before film drawing device L, advanced line position adjusts, and mutually presses close to, facilitates film drawing device L to pull thin film.
As a kind of detailed description of the invention improved, also include adjusting means T for regulating object location to be packaged, described
Adjusting means T includes the first adjusting rod T1 and the second adjusting rod T2 for regulating object location to be packaged and for regulation second
Adjusting rod T2 and the governor motion of the first adjusting rod T1 distance, described first adjusting rod T1 and the second adjusting rod T2 is separately positioned on
The both sides of the first conveyer belt s1, described first adjusting rod T1 and governor motion are arranged in frame 1.Thing to be packaged is through first
Time in the middle of adjusting rod T1 and the second adjusting rod T2, adjust the position of thing to be packaged so that it is position is fixed, so that thin film can be uniformly
It is distributed in the surface of thing to be packaged.It is provided with governor motion, makes adjusting means can be suitable for various sizes of thing to be packaged.
As improve a kind of detailed description of the invention, described governor motion include the tooth bar T11 being fixed in frame 1, can
The conditioning box T12 being arranged in frame 1 of sliding, the regulation tooth block T13 being arranged on conditioning box T12 and for mobile regulation tooth
The adjusting part of block T13, described second adjusting rod T2 is arranged on conditioning box T12, and described adjusting part includes setting of slip
The swinging block T15 that put the pull bar T14 on conditioning box T12, is rotatably mounted on conditioning box T12, it is fixed on conditioning box T12
On fixed block T17 and with regulation tooth block T13 fix the adjusting rod T16 being connected, described fixed block T17 offers chute, institute
State adjusting rod T16 and pass chute, by being arranged on conditioning box T12 of regulation tooth block T13 slip, the one of described swinging block T15
Holding hinged with pull bar T14, the other end is used for promoting adjusting rod T16, makes regulation tooth block T13 separate with tooth bar T11.Pull pull bar
T14, drives swinging block T15 to rotate, and swinging block T15 promotes adjusting rod T16 to move up, and drives fixed block T17 to move up, from
And make regulation tooth block T13 move up, leave tooth bar T11, make conditioning box T12 slip, promote conditioning box T12 thus regulate the
The two adjusting rod T2 position relative to the first adjusting rod T1, makes adjusting means be applicable to different things to be packaged.
In sum, the present invention dynamically adjusts the distance between thing to be packaged, makes to keep between thing to be packaged fixed range, makes thin
Film can be evenly distributed on the surface of thing to be packaged when sealing, improves packaging quality, and reduces the loss of thin film.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, 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
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also
Should be regarded as protection scope of the present invention.