Summary of the invention
The present invention is directed to the above-mentioned existing overlay film packaging facilities problem that structure is complicated, packaging speed is slow, proposes a kind of structure
Simply, the tire overlay film packing machine that work efficiency is high.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of tire overlay film packing machine, including rack and rack-mounted sealer unit and film feeding unit;
The sealer unit includes upper die and lower die;
The film feeding unit includes upper film feeder and lower film feeder;
The upper film feeder includes upper roller and upper collecting drum, and upper roller and upper collecting drum are located at sealer list
First two sides, being furled the upper film exported from upper roller by lower part of upper die onto upper collecting drum;
The lower film feeder includes lower roller and lower collecting drum, and lower roller and lower collecting drum are located at sealer list
First two sides, to by the lower film exported from lower roller by furling above lower die on lower collecting drum;
The upper mold is provided with nip portion, upper film and lower film to be pressed onto lower die and carry out heat seal;
The nip portion is cylindrical in shape, and there are two coaxial arrangements.
Preferably, being equipped with the supply unit for conveying tire in the rack, the supply unit includes along wheel
First conveyer belt, transfer device and the second conveyer belt that tire conveying direction is set gradually;
The first conveyer belt and the second conveyer belt are located at the lower die two sides, and the transfer device includes opposite sets
The two transhipment components set, the lower die are located between transhipment component;
The transhipment component includes guide rail, gripper cylinder and driver, and the gripper cylinder is slidably mounted on guide rail, institute
It states guide rail both ends and each extends over first conveyer belt and the second conveyer belt, driver is affixed on the rack, and is connected with gripper cylinder,
To drive gripper cylinder to slide on guide rail.
Preferably, the driver is driving cylinder, driving cylinder is fixedly mounted on the rack, and the cylinder body with gripper cylinder
It is connected.
Preferably, being equipped with the heater for being heated to it in the nip portion.
Preferably, the nip portion includes the hot knife of main part and annular, the hot knife passes through connecting column and master
Body portion is connected;
The broach shell of annular is set on the hot knife, the connecting column passes through the mounting hole of broach shell top setting, so that
Broach shell is slided along connecting column, and the broach shell bottom end is equipped with the port for stretching out hot knife;
Compressed spring is set on the connecting column, described compressed spring one end is withstood on main part, and the other end withstands on knife
On the end face for covering top.
Preferably, being equipped with blanking cylinder in the lower die, blanking cylinder is connected with platen, to drive platen to go up and down;
The compressed portion is that the first nip portion and the second nip portion on the inside of the first nip portion, the platen are located at
On the inside of second nip portion.
Preferably, the lower die is provided centrally with waste discharge mouth, the waste discharge mouth is aligned with platen.
Preferably, the upper film feeder further comprises idler roller on idler roller and second on first, described first
Idler roller is located at the left and right sides of lower part of upper die on upper idler roller and second, is tensioned on idler roller and second on described first
The height and position of roller is below upper roller and upper collecting drum;
The upper film exported on the upper roller passes through idler roller retracting on idler roller and second on first to upper collection
On roller;
The lower film feeder further comprises the first lower idler roller and the second lower idler roller, the described first lower idler roller and
Second lower idler roller is located at lower die two sides, on described first on idler roller and second top surface of idler roller with the top of lower die
Face is concordant, and the height and position of the described first lower idler roller and the second lower idler roller is above lower roller and lower collecting drum;
The lower film exported on the lower roller is furled by the first lower idler roller and the second lower idler roller to lower collection
On roller.
Compared with prior art, the advantages and positive effects of the present invention are:
1, upper and lower two panels film is thermally bonded by tire overlay film packing machine by the pressings of upper die and lower die, and by tire packet
It covers in the film, device structure is simple, and operating procedure is few, the fast speed of overlay film packaging, and packaging operation is high-efficient.
2, the supply unit being arranged can be realized the continuous productive process of tire overlay film packaging, improve tire overlay film packaging operation
Automation, and improve packing work efficiency.Where two sections of conveyer belts and mold between station, is clamped by cylinder and realize tire
Transhipment, equipment is simple, and motion is few, and work efficiency is high, and the operating of transfer device will not influence the conveying of film.
3, broach shell is installed, broach shell can first contact be above thin when upper die and lower die press on the hot knife of upper mold setting
Upper film is pressed on the lower film in lower die by film, to the pressure holding of upper layer and lower layer film is fixed in lower die, thus anti-
When only upper film is not in contact with lower film, the heated fusing of upper film, to guarantee the fitting of upper layer and lower layer film.
4, the platen of upper mold installation cylinder driving can release the waste material for being located at tire inner ring after heat bonding, under
The waste discharge mouth at mould center is rejected to outside mold, prevents waste material from staying in lower die, influences the packaging operation of subsequent tyre.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments
In.
In the description of the present invention, it should be noted that the instruction such as term "inner", "outside", "upper", "lower", "front", "rear"
Orientation or positional relationship be positional relationship based on the figure, be merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and cannot manage
Solution is indication or suggestion relative importance.
As shown in Fig. 1 to 5, the present invention provides a kind of tire overlay film packing machine, including rack 1 and rack-mounted
Sealer unit 2 and film feeding unit 3.
Sealer unit 2 includes upper mold 21 and lower die 22.
Film feeding unit 3 includes upper film feeder 31 and lower film feeder 32.
For the film of tire overlay film packaging, it is divided into film 41 and lower film 42.It is upper thin for the ease of storing and using
Film 41 furls the film roll in formation on the first mandrel in band-like;Lower film 42 furls on the second mandrel in band-like, is formed
Lower film roll.
Upper film feeder 31 includes upper roller 311 and upper collecting drum 312, and upper roller 311 and upper collecting drum 312 are distinguished
Positioned at 2 two sides of sealer unit.
In order to enable what upper film 41 continued to extract out from upper film roll, upper film roll needs are rotatably mounted to
On conveying roller 311.When upper roller 311 is only arranged one, upper roller 311 is penetrated into the first mandrel, makes the first mandrel
It can rotate on upper roller 311 or be rotated synchronously with upper roller 311, so that film roll be enable to rotate;When upper defeated
When roller 311 being sent to be arranged two, upper film roll is placed directly between two upper rollers 311, upper film roll and two upper conveyings
The roll surface of roller 311 is in rolling contact, so that film roll be made to rotate.
The upper film 41 extracted out from upper film roll is furled by 21 lower section of upper mold onto upper collecting drum 312.Upper collection
Its rotation of the motor driven that roller 312 connects, so that lasting pull upper film 41 from upper film roll, and by under upper mold 21
Side.
Lower film feeder 32 includes lower roller 321 and lower collecting drum 322, and lower roller 321 and lower collecting drum 322 are distinguished
Positioned at 2 two sides of sealer unit.
In order to enable what lower film 42 continued to extract out from lower film roll, lower film roll needs are rotatably mounted to down
On conveying roller 321.When lower roller 321 is only arranged one, lower roller 321 is penetrated into the second mandrel, makes the second mandrel
It can rotate on lower roller 321 or be rotated synchronously with lower roller 321, so that lower film roll be enable to rotate;Instantly defeated
When roller 321 being sent to be arranged two, lower film roll is placed directly between two lower rollers 321, lower film roll with two under convey
The roll surface of roller 321 is in rolling contact, so that lower film roll be made to rotate.
The lower film 42 extracted out from lower film roll is furled by 22 top of lower film onto lower collecting drum 322.Upper collection
Its rotation of the motor driven that roller 322 connects, so that lasting pull lower film 42 from lower film roll, and passes through lower film 22
On.
Lifting cylinder 7 is installed in rack 1, lifting cylinder 7 is connected with upper mold 21, so that upper mold 21 is driven to be gone up and down,
Lower die 22 is packed in rack 1.
Upper mold 21 is provided with nip portion 21 ', and nip portion 21 ' is cylindrical in shape, and there are two coaxial arrangements.
The annular space 6 for accommodating tire is equipped between two nip portion 21 '.
When tire carries out plastic sealing pack, tire is lain low and is placed into lower die 22, under the driving of lifting cylinder 7, upper mold
21 fall, and merge upper mold 21 and lower die 22.
When tire is placed into lower die 22, lower film 42 is pressed in lower die 22 by tire.
During upper mold 21 is fallen, 21 ' bottom end of nip portion contacts upper film 41, and is pushed down on, thus upper
Mould 21 and the merging of lower die 22 are to press to upper film 41 on lower film 42.
The existing common heater such as the electrothermal tube installed in upper mold 21, upper mold 21 is heated, thus by the upper film of pressing
41 and lower film 42 heat bonding.
When upper mold 21 and lower die 22 merge, tire is entered in annular space 6, keeps film 41 and lower film 42 hot sticky
The position of conjunction is located at the inside of tyre rim and the outside of tire tread, and tire is packaged into upper layer and lower layer film.
In order to realize the streamlined operation of tire overlay film packaging, supply unit 5 is installed in rack 1.
Supply unit 5 includes first conveyer belt 51, transfer device 53 and the second conveyer belt 52 set gradually.
First conveyer belt 51 and the second conveyer belt 52 distinguish 22 two sides of lower die, and transfer device 53 includes being oppositely arranged
Two transhipment components 53 ', lower die 22 are located between transhipment component 53 '.
Transporting component 53 ' includes guide rail 531, gripper cylinder 532 and driver 533, and gripper cylinder 532 is packed in guide rail
On the slide 534 being slidably installed on 531,531 both ends of guide rail each extend over first conveyer belt 51 and the second conveyer belt 52, driver
533 are fixed in rack 1, and are connected with gripper cylinder 532, to drive gripper cylinder 532 to slide on guide rail 531.
Driver 533 can be driving cylinder, and driving cylinder is packed in rack 1, and is connected with slide 534, directly to cunning
Seat 534 is pushed and pulled, so that slide 534 be made to slide along guide rail.
Motor can also be used in driver 533, and motor is packed on slide 534, passes through the gear and guide rail installed on main shaft
The rack gear engagement of 531 sides setting, to make slide 534 slide along guide rail 531 by gear transmission structure.
When driver 533 is using motor, screw structure driving slide 534, the rotatable peace of the screw rod of lead screw can also be used
In rack 1, and it is coaxial with guide rail 531, and the nut of lead screw is fixed on slide 534, electric motor driven screw rotation, thus logical
Lead screw transmission is crossed, driving slide 534 slides.
Tire is placed into first conveyer belt 51, and tire is sent to 22 side of lower die by first conveyer belt 51.
Driver drives slide 534 mobile, and two gripper cylinders 532 slide into tire two sides with slide 534, clamps gas
The piston rod of cylinder 532 stretches out, so that tire be gripped.
Driver drives slide 534 mobile, and two gripper cylinders 532 that hold tire is made to be moved to lower die two sides, presss from both sides
The piston rod for holding cylinder 532 is withdrawn, and tire is placed in lower die 22.
After being placed into the tire completion overlay film packaging in lower die 22, the piston rod of two gripper cylinders 532 stretches out again, will
The tire that packaging is completed grips.
Driver drives slide 534 mobile, and two gripper cylinders 532 that hold the tire that packaging is completed is made to be moved to the
The piston rod of two conveyer belts, 52 two sides, gripper cylinder 532 is withdrawn, and the tire for packing completion is placed on the second conveyer belt 52,
It is sent out by the second conveyer belt 52.
Tire first passes through first conveyer belt 51 and is sent to 22 side of lower die, is sent in lower die 22 by transfer device 53 and carries out overlay film
Packaging, then be sent on the second conveyer belt 52 and sent out by transfer device 53, it realizes tire overlay film and packs to form streamlined operation, mention
High packing work efficiency.
It in order to avoid upper film 41 is before pressing on lower film 42, is heated and disconnects by upper mold, nip portion 21 ' includes master
The hot knife 212 in body portion 211 and annular, hot knife 212 are connected by connecting column 213 with main part 211.
The broach shell 214 of annular is set on hot knife 211, connecting column 213 passes through the mounting hole of 214 top of broach shell setting
215, so that broach shell 214 is slided along connecting column 213,214 bottom end of broach shell is equipped with the port 216 for stretching out hot knife 212.
Compressed spring 217 is set on connecting column 213,217 one end of compressed spring is withstood on main part 211, other end top
On the end face on 214 top of broach shell.
When upper mold 21 is not in contact with upper film 41, hot knife 212 is located in broach shell 214.Upper mold 21 is fallen, the bottom of broach shell 214
Film 41 in end in contact.Since broach shell 214 uses heat-barrier material, it will not make film 41 is heated to melt, to make broach shell 214 will
Upper film 41 presses to downwards on lower film 42, and then double-layer films is pressed together in lower die 22.Since broach shell 214 will be thin
Membrane pressure can not be moved down further in lower die 22, and upper mold 21 is further fallen, and hot knife 211 further moves down, and pass through broach shell
214 port 216 is stretched out, and the double-layer films pressed are contacted, so that double-layer films are thermally bonded, and will be located at two merged
Die inside and the cutting of the film in outside, to guarantee that above film 41 and lower film 42 can be pressed normally, make tire overlay film packet
It installs.
In order to make the film on the inside of tyre rim after thermal bonding, falls off from the packaging, blanking gas is installed in lower die 22
Cylinder 221, blanking cylinder 221 are connected with platen 222.
The second nip portion 21b ' that nip portion 21 ' is divided into the first nip portion 21a ' and is located on the inside of the first nip portion 21a ',
Platen 222 is located on the inside of the second nip portion 21b ', thus with the film into registration on the inside of tyre rim.
After the completion of tire overlay film packaging, blanking cylinder 221 pushes platen 222 to fall, thus by thin on the inside of tyre rim
Film is detached from from the packaging that heat bonding is formed, so that the film packaging being coated on tire be made to fill in ring, improves the beauty of packaging
Property.
Mould 22 is provided centrally with waste discharge mouth 223, and waste discharge mouth 223 is aligned with platen 222, so that disengaging will be pushed down by platen
Film be sent in waste discharge mouth 223, avoid film from staying in lower die 22, the overlay film of subsequent tyre packaging impacted, is protected
Demonstrate,prove the clean and tidy of equipment operating environment.
In order to guide upper film 41 to pass through below upper mold 21, upper film feeder 31 further comprises idler roller on first
Idler roller 314 on 313 and second, idler roller 314 is located at the left and right of 21 lower section of upper mold on idler roller 313 and second on first
Two sides.
The upper film 41 exported on upper roller 311 is arrived by the retracting of idler roller 314 on idler roller 313 and second on first
On upper collecting drum 312.
The height and position of idler roller 314 is below upper roller 311 and upper collecting drum on idler roller 313 and second on first
312, so that upper roller 311 is sent to the upper film 41 of collecting drum 312, pushes tensioning by two upper idler rollers, make film 41
By keeping smooth when 21 lower section of upper mold.
Lower film feeder 32 further comprises the first lower idler roller 323 and the second lower idler roller 324, the described first lower tensioning
Roller 323 and the second lower idler roller 324 are located at 22 two sides of lower die.
The lower film 42 exported on lower roller 321 is arrived by the first lower idler roller 323 and the second lower retracting of idler roller 324
On lower collecting drum 322.
Either flush of the top surface of idler roller 324 with lower die 22 on idler roller 323 and second on first, makes lower film 42
Upper surface along lower die 22 passes through, and when tire is placed into lower die 22, will not cause to pull to lower film 42, keeps lower film
42 it is smooth.
The height and position of first lower idler roller 323 and the second lower idler roller 324 is above lower roller 321 and lower collecting drum
322, so that lower roller 321 is sent to the lower film 42 of lower collecting drum 322, above pushes away tensioning by two lower idler rollers, make lower film 42
Keep smooth when passing through along 22 surface of lower die.
Upper film 41 and lower film 42 keep formation state by the space between upper mold 21 and lower die 22, to make upper mold
21 and lower die 22 when merging, double-layer films can fitting area maximize, avoid the formation of fold, guarantee heat bonding fastness.