CN207432762U - Inside and outside linkage ejecting type hot forming tool - Google Patents
Inside and outside linkage ejecting type hot forming tool Download PDFInfo
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- CN207432762U CN207432762U CN201721357528.XU CN201721357528U CN207432762U CN 207432762 U CN207432762 U CN 207432762U CN 201721357528 U CN201721357528 U CN 201721357528U CN 207432762 U CN207432762 U CN 207432762U
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- die
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Abstract
A kind of inside and outside linkage ejecting type hot forming tool, including upper die and lower die；Upper mold includes cope plate, upper cut-off-die installing plate and multiple upper cut-off-dies；Lower die includes lower template, lower mold body, lower cut-off-die installing plate, knock-pin installing plate, multiple lower cut-off-dies, multiple shaping moulds and at least one knock-pin, and shaping mould includes Bian Mo and movable die block, and knock-pin installing plate is arranged below lower template, it is characterized in that：The hot forming tool further includes inner top panel and multiple interior mandrils, and inner top panel cavity volume is equipped in lower mold body, and inner top panel is arranged in inner top panel cavity volume, and movable die block is connected with the upper end of corresponding interior mandril, and the lower end of each interior mandril is connected with inner top panel；Each knock-pin upper end is connected with inner top panel, and the lower end of each knock-pin extend out to below lower template and connects knock-pin installing plate.The utility model is when the quantity and/or arrangement mode of forming unit change without needing to change lower template, and smaller size can be used in lower template, advantageously reduces equipment cost and energy consumption.
Description
Technical field
The utility model is related to thermal forming devices, specifically, are related to a kind of inside and outside linkage for thermoforming machine and eject
Formula hot forming tool.
Background technology
Existing one kind is used to make plastic containers（Such as plastic cup, plastic casing, plastic tub）Hot forming tool, can
Complete shaping, shear action.This hot forming tool includes upper die and lower die；Upper mold include cope plate, upper cut-off-die installing plate and
Multiple upper cut-off-dies, upper cut-off-die installing plate are mounted on cope plate, and upper cut-off-die installing plate is equipped with multiple upper cut-off-die cavity volumes, upper cut-off-die
And one-to-one corresponding identical with upper cut-off-die cavity volume quantity, upper cut-off-die are arranged in upper cut-off-die cavity volume, and upper cut-off-die has a cavity；Lower die bag
Lower template, lower mold body, lower cut-off-die installing plate, knock-pin installing plate, multiple lower cut-off-dies, multiple shaping moulds and multiple knock-pins are included,
Lower mold body is mounted in lower template and is in above lower template, and lower cut-off-die installing plate is mounted in lower mold body and is in lower mold body
Side, lower cut-off-die is identical with upper cut-off-die quantity and corresponds（The inner edge of cut-off-die lower end is usually gone up as upper shearing knife edge, on lower cut-off-die
The outer rim at end is down cut blade, and down cut blade matches with upper shearing knife edge）, lower cut-off-die installing plate be equipped with it is multiple under cut
Mould cavity volume, lower cut-off-die is identical with lower cut-off-die cavity volume quantity and corresponds, and shaping mould is identical with lower cut-off-die quantity and corresponds,
Knock-pin is identical with shaping mould quantity and corresponds, and lower cut-off-die is arranged in lower cut-off-die cavity volume, and shaping mould includes Bian Mo and activity
Bed die, side mould is mounted in lower mold body and the inside in corresponding lower cut-off-die, the upper end of movable die block and corresponding knock-pin
Connection, knock-pin installing plate are arranged below lower template, and the lower end of each knock-pin extend out to below lower template and connects knock-pin
Installing plate.
Above-mentioned upper mold also typically includes multiple binder rings, and binder ring is identical with upper cut-off-die quantity and corresponds, binder ring
In the cavity of upper cut-off-die, binder ring can move up and down in the cavity of upper cut-off-die, and sheet material is pressed on by binder ring during molding
In lower die.Upper mold also typically includes multiple stretching heads, multiple stretch rods, stretch rod installing plate and stretch rod installing plate elevating control
Mechanism, stretching head is identical with upper cut-off-die quantity and corresponds, and stretch rod is identical with stretching head quantity and corresponds, stretching head
In the cavity of upper cut-off-die, stretch rod lower end connection stretching head, each stretch rod upper end is all connected with stretch rod installing plate, stretch rod
Installing plate connects stretch rod installing plate lifting control mechanism.In the case of binder ring being equipped in the cavity of upper cut-off-die, above-mentioned drawing
Extension head is in the cavity of binder ring.
In above-mentioned hot forming tool, shaping mould, lower cut-off-die, knock-pin, upper cut-off-die, binder ring and stretching head composition shaping are single
Member, the plastic plastic containers of a forming unit.Above-mentioned side mould is used for the side wall of molded plastic container, marginal portion；It is living
Dynamic bed die is used for the shaping of plastic containers bottom.In general, multiple forming units in hot forming tool are in the way of multiple lines and multiple rows
Arrangement.
When making plastic containers, plastic sheet is heated first, plastic sheet is made to reach forming temperature；By the modeling of heating
Media sheet passes through forming area, and hot forming tool molds at this time, and under the drive of stretch rod, each stretching head is in the cavity of upper cut-off-die
It inside moves downward, plastic sheet is pre-stretched, plastic sheet shape and size is made to be approached with product；Then, through positive pressure heat
Shaping（Or negative pressure thermoforming）, plastic sheet is made to be close to shaping mould；Formed sheet after shaping by upper cut-off-die upper shearing knife edge
Shear action is completed with the down cut blade of lower cut-off-die, plastic containers are cut out coming from formed sheet, obtain single modeling
Material container；Then knock-pin installing plate drives each knock-pin and each movable die block to rise compared with lower template, by plastic containers from
It is ejected in shaping mould, plastic containers is made to depart from shaping mould；Then dry to plastic containers, plastic containers are blown off thermoforming mould
Tool.
The lower end of above-mentioned each knock-pin extend out to below lower template and connects knock-pin installing plate, in order to supply each knock-pin
Usually have by the design method of, above-mentioned lower template following two.A kind of design method of above-mentioned lower template is, in lower template
Equipped with multiple ejection rod through-holes, knock-pin is identical with knock-pin number of openings and corresponds, and knock-pin is in corresponding ejection
In rod through-hole, in this way, when the quantity and/or arrangement mode of forming unit change, knock-pin and knock-pin number of openings
And/or arrangement mode also changes, and needs to change lower template, adds equipment cost；Moreover, the quantity in forming unit is more
In the case of, since knock-pin number of openings is excessive, under there is sufficiently large lifting capacity, it is necessary to increase in order to ensure lower template
The area and/or thickness of template, that is, need larger lower template, which not only adds equipment cost, and increases lower die
Total weight, fix in upper mold, energy consumption is larger under the open mold operating mode of lower die lifting.Another design of above-mentioned lower template
Mode is to be equipped with the total through hole of a knock-pin in the centre of lower template, and all knock-pins are in the total through hole of the knock-pin,
In this way, when the quantity of forming unit increases or arrangement mode changes, if knock-pin exceeds the scope of the total through hole of knock-pin,
Lower template is then needed to change, adds equipment cost；And in a fairly large number of of forming unit, the total through hole of knock-pin
Perforated area is larger, in order to ensure lower template has sufficiently large lifting capacity, it is necessary to increase the area and/or thickness of lower template
Degree, that is, need larger lower template, so add equipment cost, and increase the total weight of lower die, fixes in upper mold, lower die
Energy consumption is larger under the open mold operating mode of lifting.In brief, using traditional ejection Design mode so that lower template is led to
It is poor with property, and larger, heavier lower template is generally required, add equipment cost and energy consumption.
The content of the invention
The technical problem to be solved by the utility model is to provide the ejecting type hot forming tool that links inside and outside one kind, this heat
Molding die is when the quantity and/or arrangement mode of forming unit change without needing to change lower template, and lower template can adopt
With smaller size, so as to advantageously reduce equipment cost and energy consumption.The technical solution of use is as follows：
A kind of inside and outside linkage ejecting type hot forming tool, including upper die and lower die；Upper mold includes cope plate, upper cut-off-die is installed
Plate and multiple upper cut-off-dies, upper cut-off-die installing plate are mounted on cope plate and are in below cope plate, and upper cut-off-die installing plate is equipped with
Multiple upper cut-off-die cavity volumes, upper cut-off-die is identical with upper cut-off-die cavity volume quantity and corresponds, and upper cut-off-die is arranged in upper cut-off-die cavity volume, on
Cut-off-die has a cavity；Lower die includes lower template, lower mold body, lower cut-off-die installing plate, knock-pin installing plate, multiple lower cut-off-dies, more
A shaping mould and at least one knock-pin, lower mold body are mounted in lower template and are in above lower template, lower cut-off-die installing plate peace
It in lower mold body and is in above lower mold body, lower cut-off-die is identical with upper cut-off-die quantity and corresponds, on lower cut-off-die installing plate
Equipped with multiple lower cut-off-die cavity volumes, lower cut-off-die is identical with lower cut-off-die cavity volume quantity and corresponds, shaping mould and lower cut-off-die quantity phase
Same and one-to-one corresponding, lower cut-off-die are arranged in lower cut-off-die cavity volume, and shaping mould includes Bian Mo and movable die block, and side mould is mounted on lower mold body
It goes up and is in the inside of corresponding lower cut-off-die, knock-pin installing plate is arranged below lower template, it is characterized in that：The hot forming tool
Inner top panel and multiple interior mandrils are further included, inner top panel cavity volume is equipped in lower mold body, inner top panel is arranged in inner top panel cavity volume, interior mandril
And one-to-one corresponding identical with shaping mould quantity, movable die block are connected with the upper end of corresponding interior mandril, and the lower end of each interior mandril is equal
It is connected with inner top panel；Each knock-pin upper end is connected with inner top panel, and the lower end of each knock-pin extend out to below lower template and connects
Connect knock-pin installing plate.
In above-mentioned hot forming tool, shaping mould, lower cut-off-die, interior mandril, upper cut-off-die, binder ring and stretching head composition shaping are single
Member, the plastic plastic containers of a forming unit.When above-mentioned hot forming tool makes plastic containers, complete shaping, cutting
After cutting, knock-pin installing plate drives each knock-pin, inner top panel to rise compared with lower template, at the same inner top panel drive each interior mandril and
Each movable die block rises compared with lower template, and plastic containers are ejected from each shaping mould, and plastic containers is made to depart from shaping mould.
When the quantity and/or arrangement mode of forming unit change, the quantity and/or arrangement mode of interior mandril are corresponding
Ground changes, and at this time when being reequiped to lower die, need to only disconnect the connection between knock-pin upper end and inner top panel, install
After new lower mold body, lower cut-off-die installing plate, lower cut-off-die, shaping mould, interior mandril and inner top panel, then by new inner top panel and each ejection
Bar upper end connects, you can new lower die is formed, in this way, lower template and knock-pin have saved equipment cost, simultaneously all without needing to change
Retrofit process faster, saves the time.Moreover, limitation of the quantity of knock-pin from forming unit quantity, need to only be set a small amount of
Knock-pin, therefore compared with the prior art, the knock-pin number of openings in lower template is few or the total through hole of knock-pin
Perforated area is smaller, so as to it is advantageously ensured that lower template only needs smaller area and/or thickness with enough intensity, you can
Ensure that lower template has sufficiently large lifting capacity, be conducive to reduce the total weight of lower die, fix in upper mold, lower die lifting is opened
Energy consumption greatly reduces under molding operating mode.Under normal circumstances, the surrounding of lower template is only slightly in the outer of lower mold body surrounding
Side, thus the miniaturization of hot forming tool is advantageously implemented, equipment cost has both been saved, can also reduce the occupation of land face of equipment
Product.
For example, knock-pin, which is typically provided with four, can ensure that inner top panel, each interior mandril and each movable die block smoothly lift,
And it is more to be molded element number, such as three rows ten arrange（Traditional approach needs 30 knock-pins）, the five-element eight arrange（Traditional approach needs
40 knock-pins）Etc., in contrast, the quantity of knock-pin needed for the utility model is far less than traditional approach.
In preferred embodiment, above-mentioned lower template is equipped with the positive guide post of pipe moved towards up and down, manages positive guide post upper end and connects with lower template
It connects, knock-pin installing plate, which is equipped with, manages positive guide sleeve, manages positive guide post and is in the positive guide sleeve of pipe.Knock-pin installing plate is compared with lower template
During lifting, manage positive guide sleeve and slided along positive guide post is managed, bootable knock-pin installing plate, knock-pin, inner top panel and interior mandril are more flat
Quietly lift.
In preferred embodiment, above-mentioned each knock-pin lower part is separately installed with a upper limit washer, the lower face of upper limit washer
It is in close contact with the upper surface of knock-pin installing plate, each upper limit washer height is consistent；In knock-pin installing plate uphill process, when
When the upper surface of upper limit washer touches the lower surface of lower template, knock-pin installing plate no longer rises.It is above-mentioned in preferred embodiment
Lower template is equipped with the limit shaft moved towards up and down, and knock-pin installing plate is equipped with limiting through hole, and limit shaft is in limiting through hole,
Limit shaft lower end is equipped with lower limit washer, and lower limit washer is in below knock-pin installing plate；Knock-pin installing plate declined
Cheng Zhong, when the lower surface of knock-pin installing plate touches the upper surface of lower limit washer, knock-pin installing plate no longer declines.It is logical
Setting upper limit washer and/or lower limit washer are crossed, can more accurately control the lifting travel of knock-pin installing plate.
In preferred embodiment, above-mentioned lower die further includes multiple shaping thimbles, and shaping thimble is identical with interior mandril quantity and one by one
It is corresponding；The shaping thimble guide hole moved towards up and down is equipped in interior mandril, movable die block is equipped with shaping thimble through hole, is molded thimble
In the surface of shaping thimble guide hole, shaping thimble is in shaping thimble guide hole and shaping thimble through hole for through hole, into
Type thimble lower end is connected with lower template, and shaping thimble upper end is extend out to above movable die block（It is molded thimble upper end and is higher than dump bottom
The upper surface of mould）.Interior mandril may be guided in above-mentioned shaping thimble, movable die block more smoothly lifts；In addition, on above-mentioned shaping thimble
The part that end protrudes from movable die block upper surface forms the part of shaping mould, and when shaping can be in the lower surface of plastics cavity volume bottom
Groove is formed, which can be used in packaging process to the precise positioning of plastic containers.
In preferred embodiment, be equipped with the inner top panel lead that moves towards up and down in above-mentioned inner top panel cavity volume, inner top panel lead with
Lower mold body is fixedly connected；Inner top panel is equipped with inner top panel guide sleeve, which is socketed on inner top panel lead.It is logical
The cooperation of inner top panel guide sleeve and inner top panel lead is crossed, inner top panel, interior mandril, movable die block is enable more smoothly to lift.
In general, being equipped with exhaust passage in above-mentioned lower die, the cavity of shaping mould is in communication with the outside by exhaust passage.It can be in lower die
Multiple through holes connected with inner top panel cavity volume, the exhaust outlet as exhaust passage are set on plate；Inner top panel cavity volume is logical as exhaust
The part in road.
In preferred embodiment, above-mentioned upper mold further includes multiple binder rings, and binder ring is identical with upper cut-off-die quantity and corresponds,
Binder is located in the cavity of cut-off-die, and the upper surface of the lower face of binder ring and lower cut-off-die or shaping mould matches and position
It is corresponding.Binder ring can move up and down in the cavity of upper cut-off-die, and sheet material is pressed in lower die by binder ring during molding.One is specific
In scheme, equipped with compression spring between binder ring and cope plate, when compressing spring contraction binder ring can be made to treat molding modeling
Media sheet applies certain pressure.In another concrete scheme, there is sealing ring on the outside of binder ring, make binder ring upper end and upper cut-off-die
Cavity inner wall forms pressure air chamber, and pressure air chamber can be passed through compressed gas, binder ring is enable to treat molding plastic sheet and is applied
Add certain pressure.In another concrete scheme, have equipped with compression spring between binder ring and cope plate, and on the outside of binder ring close
Seal makes binder ring upper end and the cavity inner wall of upper cut-off-die form pressure air chamber, using the combination of compression spring and compressed gas
Binder ring is made to treat molding plastic sheet and applies certain pressure.
In a kind of preferred embodiment, upper mold further includes drawing mechanism, drawing mechanism include multiple stretching heads, multiple stretch rods,
Stretch rod installing plate and stretch rod installing plate lifting control mechanism, stretching head is identical with upper cut-off-die quantity and corresponds, and stretches
Bar is identical with stretching head quantity and corresponds, and stretching head is arranged in the cavity of upper cut-off-die, stretch rod lower end connection stretching head, respectively
Stretch rod upper end extend out to above cope plate and connects stretch rod installing plate, stretch rod installing plate connection stretch rod installing plate liter
Control mechanism drops.In the case of being equipped with binder ring in the cavity of upper cut-off-die, above-mentioned stretching head is in the cavity of binder ring.On
Stating stretch rod installing plate lifting control mechanism can be arranged on cope plate；In the case where upper mold is fixed in rack, stretch rod peace
Loading board lifting control mechanism can be also arranged in rack.Stretch rod installing plate lifting control mechanism is transported for driving above and below stretch rod
It is dynamic；Under the drive of stretch rod, stretching head can move up and down in the cavity of upper cut-off-die.When stretch rod installing plate elevating control machine
During structure driving stretch rod installing plate lifting, stretch rod installing plate, each stretch rod, one lifting of each stretching head, when stretching head declines
Formed sheet is treated to be pre-stretched.Stretch rod installing plate lifting control mechanism may include draft cylinder, and stretch rod installing plate connects
Connect the piston rod of draft cylinder；The cylinder body of draft cylinder can be mounted on cope plate；In the case where upper mold is fixed in rack,
The cylinder body of draft cylinder can be also mounted in rack.In order to which stretching head is made steadily to move, it is equipped with up and down more preferably on cope plate
The stretch rod guide sleeve of trend, stretch rod are in stretch rod guide sleeve and are oriented to interplanting with stretch rod and be slidably matched.
In another preferred embodiment, upper mold further includes upper die body and drawing mechanism, and drawing mechanism includes multiple stretching heads, more
A interior stretch rod, interior stretch rod installing plate, at least one stretch rod, stretch rod installing plate and stretch rod installing plate elevating control machine
Structure；Upper die body is mounted on cope plate and is in below cope plate, and upper cut-off-die installing plate is mounted on upper die body and is in upper mold
Below body；Interior stretch rod installing plate cavity volume is equipped in upper die body, interior stretch rod installing plate is arranged in interior stretch rod installing plate cavity volume；
Stretching head is identical with upper cut-off-die quantity and corresponds, and interior stretch rod is identical with stretching head quantity and corresponds, and stretching head is set
In in the cavity of upper cut-off-die, interior stretch rod lower end connects stretching head, and each interior stretch rod upper end is connected with interior stretch rod installing plate；
Each stretch rod lower end is connected with interior stretch rod installing plate, and each stretch rod upper end extend out to above cope plate and connects stretch rod
Installing plate, stretch rod installing plate connection stretch rod installing plate lifting control mechanism.Equipped with binder ring in the cavity of upper cut-off-die
In the case of, above-mentioned stretching head is in the cavity of binder ring.In order to which stretching head is made steadily to move, more preferably it is equipped on cope plate
The stretch rod guide sleeve moved towards up and down, stretch rod are in stretch rod guide sleeve and are oriented to interplanting with stretch rod and be slidably matched.On
Drawing mechanism is stated as inside and outside coordinated type, when the driving stretch rod installing plate lifting of stretch rod installing plate lifting control mechanism, is stretched
Bar installing plate, each stretch rod, interior stretch rod installing plate, each interior stretch rod, one lifting of each stretching head, stretching head are treated when declining
Formed sheet is pre-stretched.When the quantity and/or arrangement mode of forming unit change, stretching head, interior stretch rod
Quantity and/or arrangement mode correspondingly change, at this time when being reequiped to upper mold, only need to disconnect stretch rod lower end with it is interior
New upper die body, upper cut-off-die installing plate, upper cut-off-die, interior stretch rod and interior stretching are installed in connection between stretch rod installing plate
After bar installing plate, then new interior stretch rod installing plate is connected with each stretch rod lower end, you can new upper mold is formed, in this way, on
Template and stretch rod have saved equipment cost, while retrofit process is faster, saves the time all without needing to change.Moreover, stretch rod
Quantity from forming unit quantity limitation, only a small amount of stretch rod need to be set（Such as four）, therefore compared with existing
Technology, on cope plate for stretch rod by number of openings it is few, so as to it is advantageously ensured that cope plate has enough intensity, only need
Smaller area and/or thickness, you can ensure that cope plate has enough intensity, be advantageously implemented the small-sized of hot forming tool
Change, both save equipment cost, can also reduce the floor space of equipment.
In addition, to shorten molding cycle, circulating cooling water route in mold is usually also set up, shaping mould is cooled down, is made
Product fast cooling shaping.
The inner edge of usually upper cut-off-die lower end is upper shearing knife edge, and the outer rim of lower cut-off-die upper end is down cut blade, down cut
Blade matches with upper shearing knife edge.
During shaping, it can be fixed on upper mold in rack, lower die is lifted compared with upper mold；Can also lower die be fixed on rack
On, upper mold is lifted compared with lower die.
The lower template of the utility model has versatility, when the quantity and/or arrangement mode of forming unit change,
Lower template and knock-pin have saved equipment cost, while retrofit process is faster, saves the time all without needing to change；Moreover, ejection
The quantity of bar only need to set a small amount of knock-pin from the limitation of forming unit quantity, therefore compared with the prior art, under
Knock-pin number of openings in template is few or the perforated area of the total through hole of knock-pin is smaller, so as to it is advantageously ensured that lower template
With enough intensity, smaller area and/or thickness are only needed, you can ensure that lower template has sufficiently large lifting capacity, have
Beneficial to the total weight for reducing lower die, energy consumption greatly reduces under the open mold operating mode that upper mold is fixed, lower die lifts.
Description of the drawings
Fig. 1 is the structure diagram of the preferred embodiment in the utility model 1（Molding, pretensioned state）；
Fig. 2 is the structure diagram of the preferred embodiment in the utility model 2（Molding, pretensioned state）；
Fig. 3 is the structure diagram of the preferred embodiment in the utility model 3（Molding, pretensioned state）.
Specific embodiment
Embodiment 1
As shown in Figure 1, this inside and outside linkage ejecting type hot forming tool includes upper mold 1 and lower die 2.
Upper mold 1 includes cope plate 11, upper cut-off-die installing plate 12 and multiple upper cut-off-dies 13, and upper cut-off-die installing plate 12 is mounted on upper
In template 11 and be in the lower section of cope plate 11, upper cut-off-die installing plate 12 is equipped with multiple upper cut-off-die cavity volumes 14, upper cut-off-die 13 with it is upper
14 quantity of cut-off-die cavity volume is identical and corresponds, and upper cut-off-die 13 is arranged in upper cut-off-die cavity volume 14, and upper cut-off-die 13 has a cavity.
Upper mold 1 further includes multiple binder rings 15, and binder ring 15 is identical with upper 13 quantity of cut-off-die and corresponds, binder ring 15
In the cavity of upper cut-off-die 13, the lower face of binder ring 15 matches with the upper surface of lower cut-off-die 25 and position is corresponding.
Binder ring 15 can move up and down in the cavity of upper cut-off-die 13, and sheet material is pressed in lower die 2 by binder ring 15 during molding.This implementation
In example, when shrinking binder ring 15 can be made right equipped with compression spring 114, compression spring 114 between binder ring 15 and cope plate 11
Plastic sheet to be formed applies certain pressure.
Upper mold 1 further includes drawing mechanism, and drawing mechanism includes multiple stretching heads 16, multiple stretch rods 17, stretch rod installation
Plate 18 and stretch rod installing plate lifting control mechanism, stretching head 16 is identical with upper 13 quantity of cut-off-die and corresponds, stretch rod 17
And one-to-one corresponding identical with 16 quantity of stretching head, stretching head 16 are arranged in the cavity of upper cut-off-die 13（Stretching head 16 in the present embodiment
It is in the cavity of binder ring 15）, 17 lower end of stretch rod connection stretching head 16, each 17 upper end of stretch rod extend out to cope plate 11
Top simultaneously connects stretch rod installing plate 18, and stretch rod installing plate 18 connects stretch rod installing plate lifting control mechanism.In cope plate
11 are equipped with the stretch rod guide sleeve 19 that moves towards up and down, stretch rod 17 be in stretch rod guide sleeve 19 and with stretch rod guide sleeve
19 are slidably matched.Stretch rod installing plate lifting control mechanism is used to that each stretch rod 17 to be driven to move up and down；In stretch rod 17
Under drive, stretching head 16 can move up and down in the cavity of upper cut-off-die 13.Stretch rod installing plate lifting control mechanism may include to draw
Cylinder is stretched, stretch rod installing plate connects the piston rod of draft cylinder；The cylinder body of draft cylinder can be mounted on cope plate；In upper mold
In the case of being fixed in rack, the cylinder body of draft cylinder can be also mounted in rack.
Lower die 2 includes lower template 21, lower mold body 22, lower cut-off-die installing plate 23, knock-pin installing plate 24, multiple lower cut-off-dies
25th, multiple shaping moulds 26 and at least one（Such as four）Knock-pin 27, lower mold body 22 are mounted in lower template 21 and are in lower die
21 top of plate, lower cut-off-die installing plate 23 are mounted in lower mold body 22 and are in 22 top of lower mold body, lower cut-off-die 25 and upper cut-off-die 25
Quantity is identical and corresponds, and lower cut-off-die installing plate 23 is equipped with multiple lower cut-off-die cavity volumes 28, lower cut-off-die 25 and lower cut-off-die cavity volume
28 quantity are identical and correspond, and shaping mould 26 is identical with lower 25 quantity of cut-off-die and corresponds, and lower cut-off-die 25 is arranged on lower cut-off-die
In cavity volume 28, shaping mould 26 includes side mould 261 and movable die block 262, and side mould 261 is mounted in lower mold body 22 and in corresponding
The inside of lower cut-off-die 25, knock-pin installing plate 24 are arranged on 21 lower section of lower template.This hot forming tool further includes inner top panel 29 and more
A interior mandril 210 is equipped with inner top panel cavity volume 211 in lower mold body 22, and inner top panel 29 is arranged in inner top panel cavity volume 211, interior mandril 210
The upper end of and one-to-one corresponding identical with 26 quantity of shaping mould, movable die block 262 and corresponding interior mandril 210 connects, each interior mandril
210 lower end is connected with inner top panel 29；Each 27 upper end of knock-pin is connected with inner top panel 29, and the lower end of each knock-pin 27 is stretched
Go out to 21 lower section of lower template and connect knock-pin installing plate 24.
Lower template 21 is equipped with the positive guide post 212 of pipe moved towards up and down, manages positive 212 upper end of guide post and is connected with lower template 21, pushes up
Rod installing plate 24, which is equipped with, manages positive guide sleeve 213, manages positive guide post 212 and is in the positive guide sleeve 213 of pipe.Knock-pin installing plate 24 is opposite
When lower template 21 lifts, manage positive guide sleeve 213 and slided along the positive guide post 212 of pipe.
Each 27 lower part of knock-pin is separately installed with a upper limit washer 214, the lower face of upper limit washer 214 and knock-pin
The upper surface of installing plate 24 is in close contact, and each upper limit washer 214 is highly consistent；In 24 uphill process of knock-pin installing plate, when
When the upper surface of upper limit washer 214 touches the lower surface of lower template 21, knock-pin installing plate 24 no longer rises.Lower template 21
The limit shaft 215 moved towards up and down is equipped with, knock-pin installing plate 24 is equipped with limiting through hole 216, and limit shaft 215 is in /V and leads to
In hole 216,215 lower end of limit shaft is equipped with lower limit washer 217, and lower limit washer 217 is in 24 lower section of knock-pin installing plate；
During knock-pin installing plate 24 declines, when the lower surface of knock-pin installing plate 24 touches the upper surface of lower limit washer 217
When, knock-pin installing plate 24 no longer declines.
Exhaust passage is equipped in lower die 2, the cavity of shaping mould 26 is in communication with the outside by exhaust passage.It can be in lower template 21
Multiple through holes connected with inner top panel cavity volume 211, the exhaust outlet as exhaust passage are set；Inner top panel cavity volume 211 is as exhaust
A part for passage.
In addition, to shorten molding cycle, circulating cooling water route in mold is usually also set up, shaping mould is cooled down, is made
Product fast cooling shaping.
The inner edge of upper 13 lower end of cut-off-die is upper shearing knife edge, and the outer rim of lower 25 upper end of cut-off-die is down cut blade, down cut
Blade matches with upper shearing knife edge.
In this hot forming tool, shaping mould 26, lower cut-off-die 25, interior mandril 210, upper cut-off-die 13, binder ring 15 and stretching head
16 composition forming units, the plastic plastic containers of a forming unit.
The operation principle of brief description once this hot forming tool：
During shaping, upper mold 1 is fixed in rack, and lower die 2 is lifted compared with upper mold 1.
When making plastic containers, plastic sheet is heated first, plastic sheet is made to reach forming temperature；By the modeling of heating
Media sheet passes through forming area, and hot forming tool molds at this time, and compression spring 114 applies binder ring 15 downward thrust, makes
Sheet material is pressed on the upper surface of lower cut-off-die 25 by binder ring 15, and shaping is formed between the cavity of plastic sheet and upper cut-off-die 13
Gas chamber；Then stretch rod installing plate lifting control mechanism driving stretch rod installing plate 18 declines, stretch rod installing plate 18, each stretching
Bar 17, each stretching head 16 decline together；Stretching head 16 is pre-stretched plastic sheet；Then compressed air enters above-mentioned shaping
In gas chamber, under the action of compressed air, plastic sheet is close to shaping mould 26, is molded plastic sheet；And it is cycled into mold
Cooling water is passed through in cooling water channel to cool down shaping mould 26, and formed sheet is made to shape；Subsequent stretch rod installing plate lifting control
Mechanism processed drives stretch rod installing plate 18, each stretch rod 17, each stretching head 16 to rise together, and stretching head 16 returns back to cut-off-die 13
Cavity in；Then lower die 2 is further up, the down cut blade of lower 25 upper end outer rim of cut-off-die and upper 13 lower end inner edge of cut-off-die
Upper shearing knife edge cooperation, shears the formed sheet after setting, and plastic containers are cut out coming from formed sheet；Then
Lower die 2 declines, and the edge of plastic containers leaves binder ring 15；Subsequent knock-pin installing plate 24 drives each knock-pin 27, inner top panel
29 rise compared with lower template 21, while inner top panel 29 drives each interior mandril 210 and each movable die block 262 compared with lower template 21
Rise, plastic containers are ejected from each shaping mould 26, plastic containers is made to depart from shaping mould 26；Then can be blown to plastic containers
Wind blows off plastic containers hot forming tool, so as to complete one-step hot moulding process.Subsequent knock-pin installing plate 24, knock-pin
27th, inner top panel 29, each interior mandril 210 decline and each movable die block 232 are driven to drop to position needed for shaping, prepare next time hot
Forming process.
When the quantity and/or arrangement mode of forming unit change, the quantity and/or arrangement mode of interior mandril 210
It correspondingly changes, at this time when being reequiped to lower die 2, need to only disconnect the company between 27 upper end of knock-pin and inner top panel 29
It connects, after installing new lower mold body, lower cut-off-die installing plate, lower cut-off-die, shaping mould, interior mandril and inner top panel, then by new interior top
Plate is connected with each knock-pin upper end, you can forms new lower die.
The quantity of knock-pin 27 from forming unit quantity limitation, only a small amount of knock-pin 27 need to be set, for example,
There are four knock-pin 27 is set, you can ensure that inner top panel 29, each interior mandril 210 and each movable die block 262 smoothly lift, and be molded
Element number can be 30（Three rows ten arrange）, 40（The five-element eight arrange）Etc..
Embodiment 2
As shown in Fig. 2, the present embodiment and embodiment 1 are differing principally in that：In the present embodiment, lower die 2 further includes multiple
Thimble 218 is molded, shaping thimble 218 is identical with interior 29 quantity of mandril and corresponds；It is equipped with what is moved towards up and down in interior mandril 29
Thimble guide hole 219 is molded, movable die block 262 is equipped with shaping thimble through hole 220, and shaping thimble through hole 220 is in shaping top
The surface in needle guide hole 219, shaping thimble 218 are in shaping thimble guide hole 219 and shaping thimble through hole 220, shaping
218 lower end of thimble is connected with lower template 21, and 218 upper end of shaping thimble extend out to 262 top of movable die block（It is molded on thimble 218
End is higher than the upper surface of movable die block 262）.Mandril 29, movable die block 262 more smoothly lift in shaping thimble 218 is bootable；
In addition, the part that shaping thimble 218 upper end protrudes from 262 upper surface of movable die block forms the part of shaping mould 26, during shaping
Groove can be formed in the lower surface of plastics cavity volume bottom, which can be used in packaging process to the precise positioning of plastic containers.
In addition, being equipped with the inner top panel lead 221 moved towards up and down in the present embodiment, in inner top panel cavity volume 211, inner top panel is led
It is fixedly connected to column 221 with lower mold body 21；Inner top panel 29 is equipped with inner top panel guide sleeve 222, which is socketed
On inner top panel lead 221.27 lower part of knock-pin of the present embodiment is not provided with upper limit washer 214.
Remaining structure of the present embodiment is same as Example 1.
Embodiment 3
As shown in figure 3, the present embodiment is different from the concrete structure for being differing principally in that drawing mechanism of embodiment 2.
In the present embodiment, upper mold 1 further includes upper die body 110；Drawing mechanism includes multiple stretching heads 16, multiple interior stretch rods
111st, interior stretch rod installing plate 112, at least one stretch rod 17, stretch rod installing plate 18 and stretch rod installing plate elevating control machine
Structure；Upper die body 110 is mounted on cope plate 11 and is in 11 lower section of cope plate, and upper cut-off-die installing plate 12 is mounted on upper die body 110
It goes up and is in 110 lower section of upper die body；Interior stretch rod installing plate cavity volume 113, interior stretch rod installing plate 112 are equipped in upper die body 110
In interior stretch rod installing plate cavity volume 113；Stretching head 16 is identical with upper 13 quantity of cut-off-die and corresponds, interior stretch rod 111
And one-to-one corresponding identical with 16 quantity of stretching head, stretching head 16 are arranged in the cavity of upper cut-off-die 13（Stretching head 16 in the present embodiment
It is in the cavity of binder ring 15）, interior 111 lower end of stretch rod connects stretching head 16, each interior 111 upper end of stretch rod with interior stretching
Bar installing plate 112 connects；Each 17 lower end of stretch rod is connected with interior stretch rod installing plate 112, and each 17 upper end of stretch rod is stretched out
To 11 top of cope plate and stretch rod installing plate 18 is connected, stretch rod installing plate 18 connects stretch rod installing plate elevating control machine
Structure.Be equipped with the stretch rod guide sleeve 19 that moves towards up and down on cope plate 21, stretch rod 17 be in stretch rod guide sleeve 19 and with
Stretch rod guide sleeve 19 is slidably matched.
The drawing mechanism of the present embodiment is inside and outside coordinated type, when stretch rod installing plate lifting control mechanism driving stretch rod peace
When loading board 18 lifts, stretch rod installing plate 18, each stretch rod 17, interior stretch rod installing plate 112, each interior stretch rod 111, each stretching
First 16 1 lifting, stretching head 16 are treated formed sheet when declining and are pre-stretched.
When the quantity and/or arrangement mode of forming unit change, stretching head 16, interior stretch rod 111 quantity and/
Or arrangement mode correspondingly changes, and at this time when being reequiped to upper mold 1, only need to disconnect 17 lower end of stretch rod and interior stretching
New upper die body, upper cut-off-die installing plate, upper cut-off-die, interior stretch rod and interior stretch rod are installed in connection between bar installing plate 112
After installing plate, then new interior stretch rod installing plate is connected with each stretch rod lower end, you can form new upper mold.Stretch rod 17
Quantity only need to set a small amount of stretch rod from the limitation of forming unit quantity（Such as four）.
Remaining structure of the present embodiment is same as Example 2.
Claims (10)
1. a kind of inside and outside linkage ejecting type hot forming tool, including upper die and lower die；Upper mold includes cope plate, upper cut-off-die installing plate
With multiple upper cut-off-dies, upper cut-off-die installing plate is mounted on cope plate and is in below cope plate, and upper cut-off-die installing plate is equipped with more
A upper cut-off-die cavity volume, upper cut-off-die is identical with upper cut-off-die cavity volume quantity and corresponds, and upper cut-off-die is arranged in upper cut-off-die cavity volume, is above cut
Mold has a cavity；Lower die includes lower template, lower mold body, lower cut-off-die installing plate, knock-pin installing plate, multiple lower cut-off-dies, multiple
Shaping mould and at least one knock-pin, lower mold body are mounted in lower template and are in above lower template, lower cut-off-die installing plate installation
It in lower mold body and is in above lower mold body, lower cut-off-die is identical with upper cut-off-die quantity and corresponds, and is set on lower cut-off-die installing plate
There are multiple lower cut-off-die cavity volumes, lower cut-off-die is identical with lower cut-off-die cavity volume quantity and corresponds, and shaping mould is identical with lower cut-off-die quantity
And correspond, lower cut-off-die is arranged in lower cut-off-die cavity volume, and shaping mould includes Bian Mo and movable die block, and side mould is mounted in lower mold body
And the inside in corresponding lower cut-off-die, knock-pin installing plate are arranged below lower template, it is characterized in that：The hot forming tool is also
Including inner top panel and multiple interior mandrils, inner top panel cavity volume is equipped in lower mold body, inner top panel is arranged in inner top panel cavity volume, interior mandril with
Shaping mould quantity is identical and corresponds, the upper end connection of movable die block and corresponding interior mandril, the lower end of each interior mandril with
Inner top panel connects；Each knock-pin upper end is connected with inner top panel, and the lower end of each knock-pin extend out to below lower template and connects
Knock-pin installing plate.
2. inside and outside linkage ejecting type hot forming tool according to claim 1, it is characterized in that：The lower template is equipped with upper
The positive guide post of pipe of lower trend is managed positive guide post upper end and is connected with lower template, and knock-pin installing plate, which is equipped with, manages positive guide sleeve, manages positive guide post
In the positive guide sleeve of pipe.
3. inside and outside linkage ejecting type hot forming tool according to claim 1, it is characterized in that：Each knock-pin lower part
One upper limit washer is not installed, the lower face of upper limit washer is in close contact with the upper surface of knock-pin installing plate, each upper limit
Position washer height is consistent.
4. inside and outside linkage ejecting type hot forming tool according to claim 1, it is characterized in that：The lower template is equipped with upper
The limit shaft of lower trend, knock-pin installing plate are equipped with limiting through hole, and limit shaft is in limiting through hole, the installation of limit shaft lower end
There is lower limit washer, lower limit washer is in below knock-pin installing plate.
5. inside and outside linkage ejecting type hot forming tool according to claim 1, it is characterized in that：The lower die further includes multiple
Thimble is molded, shaping thimble is identical with interior mandril quantity and corresponds；The shaping thimble moved towards up and down is equipped in interior mandril to lead
Draw hole, movable die block is equipped with shaping thimble through hole, and shaping thimble through hole is on the surface of shaping thimble guide hole, shaping top
Pin is in shaping thimble guide hole and shaping thimble through hole, and shaping thimble lower end is connected with lower template, and shaping thimble upper end is stretched
Go out to above movable die block.
6. according to the ejecting type hot forming tool that links inside and outside claim 1-5 any one of them, it is characterized in that：The inner top panel
The inner top panel lead moved towards up and down is equipped in cavity volume, inner top panel lead is fixedly connected with lower mold body；Inner top panel is equipped with interior
Top plate guide sleeve, the inner top panel guide sleeve are socketed on inner top panel lead.
7. according to the ejecting type hot forming tool that links inside and outside claim 1-5 any one of them, it is characterized in that：The upper mold is also
Including multiple binder rings, binder ring is identical with upper cut-off-die quantity and corresponds, and binder is located in the cavity of cut-off-die, binder
The lower face of ring matches with the upper surface of lower cut-off-die or shaping mould and position is corresponding.
8. according to the ejecting type hot forming tool that links inside and outside claim 1-5 any one of them, it is characterized in that：The upper mold is also
Including drawing mechanism, drawing mechanism includes multiple stretching heads, multiple stretch rods, stretch rod installing plate and the lifting of stretch rod installing plate
Control mechanism, stretching head is identical with upper cut-off-die quantity and corresponds, and stretch rod is identical with stretching head quantity and corresponds, and draws
Extension head is in the cavity of upper cut-off-die, and stretch rod lower end connection stretching head, each stretch rod upper end is extend out to above cope plate simultaneously
Connect stretch rod installing plate, stretch rod installing plate connection stretch rod installing plate lifting control mechanism.
9. according to the ejecting type hot forming tool that links inside and outside claim 1-5 any one of them, it is characterized in that：The upper mold is also
Including upper die body and drawing mechanism, drawing mechanism includes multiple stretching heads, multiple interior stretch rods, interior stretch rod installing plate, at least
One stretch rod, stretch rod installing plate and stretch rod installing plate lifting control mechanism；Upper die body is mounted on cope plate and is in
Below cope plate, upper cut-off-die installing plate is mounted on upper die body and is in below upper die body；Interior stretch rod is equipped in upper die body to pacify
Loading board cavity volume, interior stretch rod installing plate are arranged in interior stretch rod installing plate cavity volume；Stretching head is identical with upper cut-off-die quantity and one by one
Corresponding, interior stretch rod is identical with stretching head quantity and corresponds, and stretching head is arranged in the cavity of upper cut-off-die, interior stretch rod lower end
Stretching head is connected, each interior stretch rod upper end is connected with interior stretch rod installing plate；It is installed with interior stretch rod each stretch rod lower end
Plate connects, and each stretch rod upper end extend out to above cope plate and connects stretch rod installing plate, and the connection of stretch rod installing plate stretches
Bar installing plate lifting control mechanism.
10. inside and outside linkage ejecting type hot forming tool according to claim 9, it is characterized in that：The cope plate is equipped with
The stretch rod guide sleeve moved towards up and down, stretch rod are in stretch rod guide sleeve and are oriented to interplanting with stretch rod and be slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357528.XU CN207432762U (en) | 2017-10-20 | 2017-10-20 | Inside and outside linkage ejecting type hot forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357528.XU CN207432762U (en) | 2017-10-20 | 2017-10-20 | Inside and outside linkage ejecting type hot forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432762U true CN207432762U (en) | 2018-06-01 |
Family
ID=62293413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357528.XU Withdrawn - After Issue CN207432762U (en) | 2017-10-20 | 2017-10-20 | Inside and outside linkage ejecting type hot forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207432762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599365A (en) * | 2017-10-20 | 2018-01-19 | 汕头市源鑫模具有限公司 | Inside and outside linkage ejecting type hot forming tool |
-
2017
- 2017-10-20 CN CN201721357528.XU patent/CN207432762U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599365A (en) * | 2017-10-20 | 2018-01-19 | 汕头市源鑫模具有限公司 | Inside and outside linkage ejecting type hot forming tool |
| CN107599365B (en) * | 2017-10-20 | 2023-07-25 | 广东源鑫精密模具科技有限公司 | Internal and external linkage ejection type thermal forming die |
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