Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of film envelope based on sealing packing machine
Cut packing method, the spacing of adjust automatically object to be packaged.
To achieve the above object, the present invention provides following technical solutions:A kind of film sealing based on sealing packing machine
Packing method, it is characterised in that:Including
Step 1:Film device is covered using sending object device that object to be packaged is transported to film feeding;
Step 2:Film device transporting thin film is covered using film feeding, and is in font by film fold, then send object device that will wait wrapping
Dress object is sent in film;
Step 3:Send object device that object to be packaged is transported to lateral seal, film is transported to side seal by film feeding set film device
Device carries out side seal to film using lateral seal, makes the side-closed of film, form one and be looped around beyond the region of objective existence to be packaged
Set;
Step 4:Send object device that object to be packaged is transported to longitudinal sealing device, film is transported to longitudinal sealing by film feeding set film device
Device carries out longitudinal sealing to film using longitudinal sealing device, a part of thin film separation is come out, object to be packaged is enclosed in separation
In film out, packaging is completed;
Object device is sent to include rack, inline the first conveyer belt in rack, second pass described in step 1
Send band and third conveyer belt, wherein object and film to be packaged are put into from the first conveyer belt, pass through the first conveyer belt, second successively
Conveyer belt and third conveyer belt, the lateral seal described in step 3 are arranged in the side of the second conveyer belt, described in step 4
Longitudinal sealing device be arranged between the second conveyer belt and third conveyer belt, first conveyer belt is close to one end of the second conveyer belt
It is provided with the first photoelectric sensor, second conveyer belt is provided with the second photoelectric sensor close to one end of the first conveyer belt,
Second conveyer belt is provided with third photoelectric sensor close to one end of third conveyer belt,
When the first photoelectric sensor or the second photoelectric sensor detect object to be packaged, the first conveyer belt, the second transmission
Band and third conveyer belt normal operation;
When object to be packaged is not detected in the second photoelectric sensor and the first photoelectric sensor, the second conveyer belt stops,
When third photoelectric sensor detects object to be packaged, the first conveyer belt, the second conveyer belt and third conveyer belt out of service one
Section preset time, longitudinal sealing device carries out longitudinal sealing to film in this time,
When the second conveyer belt stops, lateral seal stops the side seal to film, and film feeding covers film device and stops conveying film;
When the second conveyer belt is run, lateral seal carries out side seal to film, and film feeding set film device continues to convey film.
As a further improvement on the present invention, the film feeding set film device described in step 2 exists including putting film device, being arranged
The film drawing device of second conveyer belt side and it is arranged and turns over film set square in the both sides up and down of the first conveyer belt, is set in the rack
It is equipped with the film roll for placing film, the film device of putting is arranged close to film roll, wherein is drawn from film roll one end of film
After going out, first passes through and put film device using the fold of film set square is turned over, form the accommodation space of one side opening, then film drawing device closes
And be open and pull film, the film drawing device with put film device and mutually link, to adjust the rate of tension of film, the membrane dress
It sets including membrane motor, upper belt-wheel component and lower band wheel assembly, the membrane motor is fixed on the rack, the upper belt-wheel component
Close to each other with lower band wheel assembly and form conveying gap for conveying film therebetween, the upper belt-wheel component includes upper peace
Loading board, the first driving gear, the first driven gear, upper tooth band and upper tensioning wheel, the upper mounting plate are fixedly mounted in rack,
First driving gear, the first driven gear and upper tensioning wheel are rotatably mounted on upper mounting plate, the upper tooth band set
On the first driving gear, the first driven gear and upper tensioning wheel, the lower band wheel assembly includes lower installation board, the second driving tooth
Wheel, the second driven gear, lower tooth band and lower tensioning wheel, the lower installation board are fixedly mounted in rack, second driving tooth
Wheel, the second driven gear and lower tensioning wheel are rotatably mounted on lower installation board, the lower tooth band be sleeved on the second driving gear,
On second driven gear and lower tensioning wheel, being provided on the upper belt-wheel component and lower band wheel assembly makes upper belt-wheel component and lower band
The transmission mechanism that wheel assembly rotates synchronously, the transmission mechanism includes the first driving cog being coaxially disposed with the first driving gear
The second transmission gear and be co-axially located at the second driving gear and the second transmission gear that wheel and the second driving gear are coaxially disposed
Between connection gear, second transmission gear engages with the first transmission gear, the connection gear and membrane motor drive
Connection.
As a further improvement on the present invention, the film device of putting includes putting film motor, for adjusting film rate of tension
Strainer and film discharging roller for pulling film, the film motor of putting are fixedly mounted in rack, and the film discharging roller is rotatable
Be mounted on rack on, the strainer includes tensioning frame, the roll shaft for stretch wrap film, the weight for adjusting tensioning frame
Hammer, the travel switch for adjusting membrane motor speed and the eccentric wheel for stirring travel switch, it is fixed on the tensioning frame
Installation axle is installed, the both ends of the installation axle are rotatably mounted in rack, and the tensioning frame is rotatable by installation axle
Be mounted on rack on, the film discharging roller is connect with film motor drive is put, and the travel switch is connect with membrane communications, institute
State one end that weight is fixed on tensioning frame, the roll shaft is mounted on the other end of the tensioning frame relative to weight, the film discharging roller with
Roll shaft interval is arranged, and one end of film is pulled out from film roll, is first wrapped on roll shaft, using film discharging roller, is pulled downward on roll shaft,
The travel switch is mounted in rack, and the eccentric wheel is mounted on installation axle close to one end of travel switch.
As a further improvement on the present invention, second conveyer belt includes conveyer belt and is connect with membrane motor drive
Conveying assembly, the conveying assembly include driving shaft, support shaft, two driven shafts, and the driving shaft, driven shaft and support shaft can
Rotation is mounted in rack, and the conveyer belt is coated on driving shaft and driven shaft, and the support shaft is arranged under conveyer belt
Side simultaneously resists conveyer belt, and one end of the driving shaft is provided with third driving gear, and one end of the driven shaft is provided with third
Driven gear, the third driving gear are connected with third driven gear by chain drive, and the other end of the driving shaft is set
It is equipped with the 4th driving gear, the 4th driving gear is connect with connection gear by chain drive.
As a further improvement on the present invention, the lateral seal described in step 3 includes for cutting simultaneously closed film
Side seal cutter, the heating rod for heated side sealing cutter and the driving device for driving side sealing cutter, the heating rod are fixed
In the side of side seal cutter, the driving device includes connecting seat, the cylinder that is fixed on upper mounting plate, is arranged on cylinder
One end of piston rod, the connecting seat is connect with side seal cutter, and the other end is connect with piston rod, and the cylinder connects with external air source
It connects, junction is provided with control valve, and the control valve is communicated to connect with third photoelectric sensor.
As a further improvement on the present invention, further include conveying gap upper and lower position regulating step:It is same using regulating device
The upper and lower position of step section upper belt-wheel component and lower band wheel assembly, to adjust the upper and lower position in conveying gap;
The regulating device includes adjustment seat, sliding assembly and control assembly, and the adjustment seat is fixed on the rack, described
Control assembly control sliding assembly slides in adjustment seat, and the sliding assembly includes the first connecting plate, the second connecting plate, third
Connecting plate, second connecting plate and third connecting plate slip are arranged in the both sides of adjustment seat, and the upper mounting plate is under
Mounting plate is fixedly mounted on the second connecting plate and third connecting plate, and first connecting plate is fixed on the second connecting plate and third
The top of connecting plate, the control assembly include mounting plate, handwheel and lead screw, and the mounting plate is fixedly mounted on the top of adjustment seat
End, the lead screw are rotatably mounted on mounting plate, and threaded hole is offered on first connecting plate, and the lead screw passes through peace
It is threadedly coupled with threaded hole after loading board, the handwheel is coaxially fixed on the top of lead screw.
As a further improvement on the present invention, further include dress film step:It is lifted upper belt-wheel component using operating mechanism, it will be thin
Film is packed into conveying gap, then puts down upper belt-wheel component, and film is clipped in conveying gap and is conveyed;
The operating mechanism includes connecting rod, regulating wheel and handle, and the handle is wholely set with regulating wheel, the adjusting
Wheel is rotatably mounted on the first connecting seat, and one end of the connecting rod is hinged with regulating wheel, and the other end is cut with scissors with upper mounting plate
It connects.
As a further improvement on the present invention, further include that film pricks hole step:It is just being detached from film roll using hole pricking device
Film on open up stomata;
The hole pricking device close to film roll be arranged, the hole pricking device include mounting rod, connecting seat, mounting shell, pinwheel,
Spring, the mounting rod are fixedly mounted in rack, and the connecting seat is mounted on mounting rod, the rotatable peace of mounting shell
On connecting seat, one end of the spring is fixedly connected with connecting seat, and the other end is fixedly connected with mounting shell, the mounting shell
On offer buckling groove, the spring pulls mounting shell, so that the cell wall of buckling groove is resisted connecting seat, or the inner wall of mounting shell is made to support
Firmly connecting seat, the pinwheel are rotatably mounted in mounting shell.
Beneficial effects of the present invention detect the position of object to be packaged using photoelectric sensor, and according to the position of object to be packaged
The operational process of confidence breath control conveyer belt, dynamically adjusts the distance between object to be packaged, the distance controlling between object to be packaged is made to exist
In preset range, to enable film it is uniform, it is smooth be distributed on object to be packaged, reduction leaked caused by film distributional difference
Packet, the problems such as film is long, the product for keeping packaging complete is neat uniform.
Specific implementation mode
The present invention is described in further detail below in conjunction with the embodiment given by attached drawing.
Shown in Fig. 6, a kind of film sealing packing method based on sealing packing machine of the present embodiment is special
Sign is:Including
Step 1:Film device is covered using sending object device that object to be packaged is transported to film feeding;
Step 2:Film device transporting thin film is covered using film feeding, and film is turned down u-shaped, then send object device that will wait for
Packing material is sent in film;
Step 3:Send object device that object to be packaged is transported to lateral seal b, film is transported to side seal by film feeding set film device
Device b carries out side seal to film using lateral seal b, makes the side-closed of film, form one and be looped around beyond the region of objective existence to be packaged
Set;
Step 4:Send object device that object to be packaged is transported to longitudinal sealing device z, film is transported to longitudinal sealing by film feeding set film device
Device z carries out longitudinal sealing to film using longitudinal sealing device z, a part of thin film separation is come out, and object to be packaged is enclosed in point
It separates out in the film come, completes packaging;
The object device that send described in step 1 includes rack 1, inline the first conveyer belt s1 in rack 1,
Two conveyer belt s2 and third conveyer belt s3, wherein object and film to be packaged are put into from the first conveyer belt s1, are passed through first successively and are passed
Band s1, the second conveyer belt s2 and third conveyer belt s3, the lateral seal b described in step 3 is sent to be arranged the second conveyer belt s2's
Side, the longitudinal sealing device z described in step 4 are arranged between the second conveyer belt s2 and third conveyer belt s3, first transmission
The first photoelectric sensor c1, the second conveyer belt s2 is provided with close to the first transmission close to one end of the second conveyer belt s2 with s1
One end with s1 is provided with the second photoelectric sensor c2, and the second conveyer belt s2 is provided with close to one end of third conveyer belt s3
Third photoelectric sensor c3;
When the first photoelectric sensor c1 or the second photoelectric sensor c2 detect object to be packaged, the first conveyer belt c1,
Two conveyer belt c2 and third conveyer belt c3 normal operations;
When object to be packaged is not detected in the second photoelectric sensor c2 and the first photoelectric sensor c1, the second conveyer belt s2
Stop;
When third photoelectric sensor c3 detects object to be packaged, the first conveyer belt s1, the second conveyer belt s2 and third pass
Band s3 one preset time out of service is sent, longitudinal sealing device z carries out longitudinal sealing to film in this time;
When the second conveyer belt s2 stops, lateral seal b stops the side seal to film, and film feeding covers film device and stops transporting thin
Film;
When the second conveyer belt s2 operations, lateral seal b carries out side seal to film, and film feeding covers film device and continues transporting thin
Film.
Film feeder by film be laid on the first conveyer belt s1, the second conveyer belt s2 and third conveyer belt s3 and by its into
Row conveying, object to be packaged enter from the first conveyer belt s1 backwards to one end of the second conveyer belt s2, and the first conveyer belt s1 will be to be packaged
Object to the direction of the second conveyer belt s2 convey, when the first photoelectric sensor c1 detects object to be packaged, the first conveyer belt s1 with
Second conveyer belt s2 is continued to run with, and by object to be packaged to the second photoelectric sensor c2 conveyings, and is entered in film, when the second photoelectricity
When sensor c2 detects object to be packaged, the first conveyer belt s1 and the second conveyer belt s2 are continued to run with, when object to be packaged leaves
When next object to be packaged is not detected in two photoelectric sensor c2 and the first photoelectric sensor c1, the distance between object to be packaged exceeds
Preset range, the second conveyer belt s2 stop, and object to be packaged is made to stop, and the first conveyer belt s1 is waited for convey next object to be packaged
It is close.When the first photoelectric sensor c1 detects next object to be packaged, between object to be packaged and next object to be packaged away from
From being suitble to, start the second pipeline, it is synchronous to transport object to be packaged and next object to be packaged, by object to be packaged toward third photoelectric transfer
Sensor c3 conveyings, when third photoelectric sensor c3 detects object to be packaged, the first conveyer belt s1, the second conveyer belt s2 and third
Conveyer belt s3 stops a period of time, and this period is about 5 seconds, and in this period, longitudinal sealing device z carries out sealing to film, so
Object to be packaged afterwards is transported on third conveyer belt s3, into subsequent packaging step.Longitudinal sealing device z in the present invention is packet
Common packaging system in installation tool, repeats no more secondary.Through the above steps, the distance between object to be packaged is able to dynamically adjust
It is whole, so that film is evenly distributed on object to be packaged, facilitate the progress of subsequent packages step, improves packaging quality, and reduce
The loss of film.
As a kind of improved specific implementation mode, the film feeding set film device described in step 2 includes putting film device F, setting
Set the second sides conveyer belt s2 film drawing device L and be arranged and turn over film set square, institute in the both sides up and down of the first conveyer belt s1
The film roll 2 being provided in rack 1 for placing film is stated, the film device F of putting is arranged close to film roll 2, wherein film
One end first passes through after the pull-out of film roll 2 and puts film device F using the fold of film set square is turned over, the receiving for forming one side opening is empty
Between, then film drawing device L, which merges, is open and film, the film drawing device L is pulled mutually to link with film device F is put, thin to adjust
The rate of tension of film, the film drawing device L include membrane motor L1, upper belt-wheel component L2 and lower band wheel assembly L3, the membrane electricity
Machine L1 is fixed in rack 1, and the upper belt-wheel component L2 and lower band wheel assembly L3 are close to each other and formed therebetween for conveying
The conveying gap 5 of film, the upper belt-wheel component L2 include upper mounting plate L21, the first driving gear L22, the first driven gear
L23, upper tooth are fixedly mounted on L24 and upper tensioning wheel L25, the upper mounting plate L21 in rack 1, first driving gear
L22, the first driven gear L23 and upper tensioning wheel L25 are rotatably mounted on upper mounting plate L21, and the upper tooth band L24 is sleeved on
On first driving gear L22, the first driven gear L23 and upper tensioning wheel L25, the lower band wheel assembly L3 includes lower installation board
L31, the second driving gear L32, the second driven gear L33, lower tooth band L34 and lower tensioning wheel L35, the lower installation board L31 are solid
Dingan County is in rack 1, the second driving gear L32, the second driven gear L33 and the rotatable installations of lower tensioning wheel L35
On lower installation board L31, the lower tooth band L34 is sleeved on the second driving gear L32, the second driven gear L33 and lower tensioning wheel L35
On, being provided on the upper belt-wheel component L2 and lower band wheel assembly L3 makes upper belt-wheel component L2 be rotated synchronously with lower band wheel assembly L3
Transmission mechanism, the transmission mechanism include with the first transmission gear L4 of the first driving gear L22 coaxial arrangement, with the second master
The the second transmission gear L5 and be co-axially located at the second driving gear L32 and the second transmission gear L5 that moving gear L32 is coaxially disposed
Between connection gear L6, the second transmission gear L5 engages with the first transmission gear L4, the connection gear L6 and membrane
Motor L1 is sequentially connected.Film is placed in film roll 2, after one end pull-out of film, is first bypassed and is put film device F, then pass through
Upper and lower two are turned over film set square, are turned over film set square and are turned down film, the accommodation space of one side opening are formed, by the first conveyer belt s1
Packet is in accommodation space, and the film of lower section is at the gap between by the first conveyer belt s1 and the second conveyer belt s2, from gap
Through top, the object to be packaged on the first conveyer belt s1 is also transported to the second conveyer belt s2 at this moment, enters in accommodation space,
Then film enters conveying gap 5, and opening is closed, and membrane motor L1 drives connection gear L6 rotations, to drive the second transmission
Gear L5 rotations drive the first transmission gear L4 rotations, and then make the first driving gear L22 and the second driving gear L32 rotations,
Tooth band L24 and lower tooth band L34 are rotated in drive, and upper tooth band L24 and lower tooth band L34 clamp film, pull film movement.Upper tensioning
The setting of wheel L25 makes tooth band L24 be in three-legged structure, and the ability that the upper tooth of raisings is tensioned with L24 holdings, lower tensioning wheel L35's sets
Set also is to enable film to continue to convey in this way, to ensure that upper tooth clamps the power of film with L24 and lower tooth band 34.
As a kind of improved specific implementation mode, the film device F of putting includes putting film motor F2, for adjusting film
The strainer of tightness and film discharging roller F3 for pulling film, the film motor F2 of putting is fixedly mounted in rack 1, described to put
Deflector roll F3 is rotatably mounted in rack 1, and the strainer includes tensioning frame F1, the roll shaft F4 for stretch wrap film, use
In the weight F5, the travel switch F6 for adjusting membrane motor L1 rotating speeds that adjust tensioning frame F1 and for stirring travel switch F6
Eccentric wheel F7, the tensioning frame F1 on be installed with installation axle F8, the both ends of the installation axle F8 are rotatably mounted to
In rack 1, the tensioning frame F1 is rotatably mounted to by installation axle F8 in rack 1, the film discharging roller F3 and puts film motor
F2 is sequentially connected, and the travel switch F6 is communicated to connect with membrane motor L1, and the weight F5 is fixed on one end of tensioning frame F1,
The roll shaft F4 is mounted on the other ends of the tensioning frame F1 relative to weight F5, and the film discharging roller F3 is arranged with the intervals roll shaft F4, thin
One end of film is pulled out from film roll 2, is first wrapped on roll shaft F4, using film discharging roller F3, is pulled downward on roll shaft F4, the stroke
Switch F6 is mounted in rack 1, and the eccentric wheel F7 is mounted on installation axle F8 close to one end of travel switch F6.It is described to put film dress
The membrane speed of F put film speed and be more than membrane motor L1 is set, putting the film between film device F and film drawing device L can gradually increase
Adding, relaxation, weight F5 adjusts the position of tensioning frame F1, increases the distance between roll shaft F4 and film drawing device L, and pull film,
To make film keep tensioning, when tensioning frame F1 rotates to certain position, eccentric wheel F7 stirs travel switch F6, accelerates membrane electricity
The membrane speed of machine L1, the pulling force of film become larger, and adjust tensioning frame F1 toward back rotation, and eccentric wheel F7 leaves travel switch F6, draws
Film motor L1's slows.So dynamic adjusts, and so that film is in the state of a tensioning always, keeps film straight, make
Film is evenly distributed in the surface of object to be packaged, improves packaging quality.
As a kind of improved specific implementation mode, the second conveyer belt s2 include conveyer belt s23 and with membrane motor
The conveying assembly that L1 is sequentially connected, the conveying assembly includes driving shaft s21, support shaft s22, two driven shaft s24, the master
Moving axis s21, driven shaft s24 and support shaft s22 are rotatably mounted in rack 1, and the conveyer belt s23 is coated on driving shaft
On s21 and driven shaft s24, the support shaft s22 is arranged below conveyer belt s23 and resists conveyer belt s23, the driving shaft
One end that one end of s21 is provided with third driving gear s25, the driven shaft s24 is provided with third driven gear s26, described
Third driving gear s25 is connected with third driven gear s26 by chain drive, and the other end of the driving shaft s21 is provided with
4th driving gear s27, the 4th driving gear s27 are connect with connection gear L6 by chain drive.Membrane motor L1 turns
It is dynamic, the s25 rotations of third driving gear are driven, the s26 rotations of third driven gear are driven, to drive driving shaft s21 to rotate, to
So that conveyer belt s23 is run, object to be packaged is conveyed, so set, film drawing device L and the second conveyer belt s2 are used in conjunction with membrane motor
L1 makes the transmission of film is synchronous with the conveying of object to be packaged to carry out, film is made to be evenly distributed on object to be packaged, improves packaging matter
Amount.
As a kind of improved specific implementation mode, the lateral seal b described in step 3 includes for cutting and closing
Side seal cutter b1, the heating rod for heated side sealing cutter b1 and the driving device for driving side sealing cutter b1 of film, institute
The side that heating rod is fixed on side seal cutter b1 is stated, the driving device includes connecting seat b2, is fixed on upper mounting plate L21
Cylinder b3, the piston rod b4, the connecting seat b2 being arranged on cylinder b3 one end connect with side seal cutter b1, the other end and work
Stopper rod b4 connections, the cylinder b3 are connect with external air source, and junction is provided with control valve, the control valve and third photoelectricity
Sensor c3 communication connections.When object to be packaged is not detected in third photoelectric sensor c3, side seal cutter b1 passes through conveying gap
5, sealing is carried out to the side of film, film drawing device L pulls film, makes film continue to convey to side seal cutter b1, when third light
When electric transducer c3 detects object to be packaged, the air pressure in cylinder changes, and so that piston rod b4 is moved up, side seal cutter b1 leaves
Film stops the sealing to film.The transmission of film stops at this time, if side seal cutter b1 also keeps sealing state, can continue
The film on its side is heated, makes film thermoplastic deformation, influences packaging quality.
Further include conveying 5 upper and lower position regulating step of gap as a kind of improved specific implementation mode:It is filled using adjusting
The upper and lower position for being adjusted in synchronism upper belt-wheel component L2 and lower band wheel assembly L3 is set, to adjust the upper and lower position in conveying gap 5;
The regulating device includes adjustment seat t1, sliding assembly and control assembly, and the adjustment seat t1 is fixed on rack 1
On, the control assembly control sliding assembly slides in adjustment seat, and the sliding assembly includes the first connecting plate t3, the second company
Fishplate bar t4, third connecting plate t5, the second connecting plate t4 and third connecting plate t5 slips are arranged the two of adjustment seat t1
Side, the upper mounting plate L21 and lower installation board L31 are fixedly mounted on the second connecting plate t4 and third connecting plate t5, and described
One connecting plate t3 is fixed on the top of the second connecting plate t4 and third connecting plate t5, and the control assembly includes mounting plate t2, hand
Wheel t6 and lead screw t7, the mounting plate t2 are fixedly mounted on the top of adjustment seat t1, and the lead screw t7 is rotatably mounted to pacify
On loading board t2, offer threaded hole on the first connecting plate t3, the lead screw t7 pass through after mounting plate t2 with threaded hole screw thread
Connection, the handwheel t6 are coaxially fixed on the top of lead screw t7.Operating personnel rotate handwheel t6, and rotary screw rod t7 passes through screw thread
Transmission drives the first connecting plate t3 to be moved along adjustment seat t1, and the second connecting plate t4 and third connecting plate t4 follow the first connecting plate t3
It is mobile, upper mounting plate L21 and lower installation board L31 movements are driven, to drive upper belt-wheel component L2 synchronous with lower band wheel assembly L3
It is mobile, the position in conveying gap 5 is adjusted, the present invention is made to be suitable for the object to be packaged of different height.
Further include dress film step as a kind of improved specific implementation mode:It is lifted upper belt-wheel component using operating mechanism
Film is packed into conveying gap 5, then puts down upper belt-wheel component L2, film is clipped in conveying gap 5 and is conveyed by L2;
The operating mechanism includes connecting rod p1, regulating wheel p2 and handle p3, and the handle p3 and regulating wheel p2 is integrally set
It setting, the regulating wheel p2 is rotatably mounted on the first connecting seat b2, and one end of the connecting rod p1 and regulating wheel p2 are hinged,
The other end is hinged with upper mounting plate L21.Rotational handle p3 makes eccentric wheel p2 rotate, and connecting rod p1 movements is driven, on pulling
Mounting plate L21 movements, make upper belt-wheel component L2 be moved backwards to lower band wheel assembly L3, increase conveying gap 5, when not actuated, side
Just film enters conveying gap 5.
Further include that film pricks hole step as a kind of improved specific implementation mode:Using hole pricking device be just detached from it is thin
Stomata is opened up on the film of deflector roll 2;
The hole pricking device is arranged close to film roll 2, and the hole pricking device includes mounting rod z1, connecting seat z2, mounting shell
Z3, pinwheel z4, spring z5, the mounting rod z1 are fixedly mounted in rack 1, and the connecting seat z2 is mounted on mounting rod z1,
The mounting shell z3 is rotatably mounted on connecting seat z2, and one end of the spring z5 is fixedly connected with connecting seat z2, another
End is fixedly connected with mounting shell z3, and buckling groove is offered on the mounting shell z3, and the spring z5 pulls mounting shell z3, makes clamping
The cell wall of slot resists connecting seat z2, or the inner wall of mounting shell z3 is made to resist connecting seat z2, and the pinwheel z4 is rotatably mounted to
In mounting shell z3.Operating personnel push mounting shell z3, change the direction of spring z5 pulling force, to change mounting shell z3 and connecting seat
The contact point of z2 makes mounting shell z3 keep different conditions, and when the cell wall of buckling groove is connect with connecting seat z2, pinwheel z4 leaves thin
Film facilitates the installation of film.When conveying film, mounting shell z3 is pushed, changes the state of mounting shell z3, makes the inner wall of mounting shell z3
Connecting seat z2 is blocked, pinwheel z4 is made to resist film, for film in conveying, pinwheel z4 is rolled on film pricks hole, empty in pyrocondensation
Gas is excluded from hole.
In conclusion the position of object to be packaged is detected using photoelectric sensor, and according to the location information control of object to be packaged
The operational process of conveyer belt processed dynamically adjusts the distance between object to be packaged, makes the distance controlling between object to be packaged in preset range
It is interior, to enable film it is uniform, it is smooth be distributed on object to be packaged, reduce bottom pour ladle, film caused by film distributional difference
The problems such as long, the product for keeping packaging complete are neat uniform.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.