CN207432758U - Hot forming tool with punching functions - Google Patents
Hot forming tool with punching functions Download PDFInfo
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- CN207432758U CN207432758U CN201721360559.0U CN201721360559U CN207432758U CN 207432758 U CN207432758 U CN 207432758U CN 201721360559 U CN201721360559 U CN 201721360559U CN 207432758 U CN207432758 U CN 207432758U
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Abstract
A kind of hot forming tool with punching functions, including upper die and lower die；Upper mold includes cope plate and upper cut-off-die；Lower die includes lower template, lower mold body, lower cut-off-die and shaping mould, it is characterized in that：The hot forming tool is additionally provided with hole punched device, hole punched device includes piercing knife, thimble, thimble seat and thimble resetting spring, piercing knife is arranged in upper mold, thimble, thimble seat and thimble resetting spring are arranged in lower die, shaping mould is equipped with the thimble through hole moved towards up and down, and thimble is in thimble through hole, and thimble lower end is connected with thimble seat, thimble resetting spring applies thimble seat upward active force, and thimble through hole is mutually aligned with punching cutter position.The utility model can disposably complete to be molded, punch and shearing manipulation, produce the porose plastic products of single band, be conducive to improve production efficiency, and can ensure that punch position is accurate, it is ensured that product quality；And piercing knife will not be subject to excessive resistance in punching, and not easily damaged, service life is long.
Description
Technical field
The utility model is related to thermal forming devices, and in particular to it is a kind of for thermoforming machine have punching functions heat into
Pattern has.
Background technology
Traditional thermoforming machine production with porose plastic products when, usually in rack successively be equipped with molding machine,
Hole punched device and shear are equipped with hot forming tool in molding machine.When making plastic products, plastic sheet is added first
Heat makes plastic sheet reach forming temperature；When plastic sheet by heating passes through molding machine, hot forming tool makes plastic sheet
Material is molded；Molded plastic sheet then reaches hole punched device, is punched by hole punched device on plastic products；After punching,
Molded plastic sheet reaches shear, and plastic products are cut out coming by shear from molded plastic sheet,
Obtain single plastic products.Since thermoforming machine needs to set mutually independent molding machine, hole punched device and shear,
Therefore thermoforming machine structure is not compact enough, and manufacture cost is higher, and floor space is larger.It moreover, must position when punching and shearing
Accurately, qualified plastic products could be obtained, therefore it is required that hole punched device and shear can be to molded plastic sheets
It is accurately positioned, but most of hole punched devices and shear can't carry out molded plastic sheet accurately to determine at present
Position, so that punch position, clipped position are often offset slightly from the position of actual requirement, generates substantial amounts of substandard products and waste product.
Existing one kind is used to make plastic products（Such as plastic cup, plastics box, plastic closure）Hot forming tool,
It can complete shaping, shear action.This hot forming tool includes upper die and lower die；Upper mold generally includes cope plate, upper cut-off-die
With binder ring, upper cut-off-die is mounted on cope plate, and upper cut-off-die has a cavity, and the inner edge of usually upper cut-off-die lower end is upper shear knife
Sword, 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；Under lower die includes
Template, lower cut-off-die, shaping mould and knock-pin, lower cut-off-die are fixedly mounted in lower template, under usually the outer rim of cut-off-die upper end is down
Shearing knife edge, down cut blade match with upper shearing knife edge, and shaping mould is fixedly mounted in lower template and in lower cut-off-die
Inside, the bottom of shaping mould are equipped with movable die block, and the upper end connection of movable die block and knock-pin, the lower end of knock-pin is extend out to down
Template lower section simultaneously connects knock-pin installing plate.When making plastic products, plastic sheet is heated first, reaches into plastic sheet
Type temperature；Plastic sheet by heating is by forming area, hot forming tool molding at this time, through positive pressure thermoforming or negative pressure heat
Shaping, makes plastic sheet be close to shaping mould；Formed sheet after shaping is completed shearing by upper shearing knife edge and down cut blade and is moved
Make, plastic products are cut out coming from formed sheet, obtain single plastic products；Then knock-pin installing plate, knock-pin
Rise with movable die block compared with lower template, plastic products are ejected from shaping mould, plastic products is made to depart from shaping mould；Then
It dries to plastic products, plastic products is blown off hot forming tool.For being not required to for the product of punching, this hot forming tool
Single plastic products can be obtained after the demoulding.But for the product that needs punch, then hot forming tool must also be demoulded
The plastic products obtained afterwards are transferred to the hole punched device in addition set and are punched, it is necessary to increase staff and equipment investment,
Production efficiency is relatively low；Moreover, must be accurately positioned during punching to plastic products, it is actually subjected to if punch position is offset slightly from
The position asked will then generate substandard products and waste product.
The content of the invention
The technical problem to be solved by the utility model is to provide a kind of hot forming tool with punching functions, this heat
Molding die can disposably complete to be molded, punch and shearing manipulation, produce the porose plastic products of single band, and punching
Cutter has longer service life.The technical solution of use is as follows：
A kind of hot forming tool with punching functions, including upper die and lower die；Upper mold includes cope plate and upper cut-off-die, on
Cut-off-die is mounted on cope plate and is in below cope plate, and upper cut-off-die has a cavity；Lower die include lower template, lower mold body, under
Cut-off-die and shaping mould, lower mold body are mounted in lower template and are in above lower template, and lower cut-off-die is mounted in lower mold body and is in
Above lower mold body, shaping mould is arranged on the inside of lower cut-off-die, it is characterized in that：The hot forming tool is additionally provided with hole punched device, punching
Device includes piercing knife, thimble, thimble seat and thimble resetting spring, and piercing knife is arranged in upper mold and is in the cavity of cut-off-die
Interior, thimble, thimble seat and thimble resetting spring are arranged in lower die, and shaping mould is equipped with the thimble through hole moved towards up and down, thimble
It is in thimble through hole, thimble lower end is connected with thimble seat, and thimble resetting spring applies thimble seat on upward active force, thimble
Through hole is mutually aligned with punching cutter position.
In general, under die opening state, the upper surface of thimble is concordant with thimble through hole upper end（That is the upper surface of thimble and shaping
The upper surface of mould bottom is concordant）.
Above-mentioned hot forming tool when being molded, being cooled down to plastic sheet, piercing knife close to plastic sheet, thimble it is upper
End face is concordant with the upper surface of shaping mould bottom；Then, cut-off-die coordinates with upper cut-off-die to the formed sheet progress after setting instantly
During shearing, piercing knife is moved downward compared with lower die, is inserted to thimble through hole, while thimble is to needing the position of punching on formed sheet
It plays a supporting role, in this way, while piercing knife is inserted into thimble through hole, the downward retraction thimble through hole of thimble, so as in matrix band
It is punched on material.Above-mentioned shearing, punching are carried out at the same time, so as to obtain the porose plastic products of single band.Since piercing knife is being beaten
Thimble retracted downward during hole, thus piercing knife will not be subject to excessive resistance, not easily damaged, service life is long.
In preferred embodiment, above-mentioned hole punched device further includes adjusting nut seat, piercing knife locating shaft, location nut, lower punching
Cutter shaft, piercing knife cushion pad, upper punching cutter shaft and pressure adjusting screw；Adjusting nut seat is mounted on cope plate, adjusting nut
Seat top has the screw hole moved towards up and down, and piercing knife locating shaft has an external thread section（I.e. piercing knife locating shaft is equipped with outer spiral shell
One section of line）, the external thread section of adjusting nut seat, location nut with piercing knife locating shaft engages（That is piercing knife locating shaft
External thread section is arranged in the screw hole of adjusting nut seat and is engaged with adjusting nut seat, and location nut is mounted on piercing knife locating shaft
On external thread section）, location nut is in above adjusting nut seat, and location nut and adjusting nut seat are jointly by upper mold board clamping；
The mounting hole moved towards up and down, lower punching cutter shaft, piercing knife cushion pad, upper punching cutter shaft and pressure tune are equipped in piercing knife locating shaft
Section screw rod is sequentially arranged at from bottom to top in the mounting hole, lower punching cutter shaft, piercing knife cushion pad, upper punching cutter shaft, pressure tune
Section screw rod is in close contact successively, and lower punching cutter shaft lower end self installation hole lower end is stretched out and is connected with piercing knife, tool at the top of mounting hole
There is the internal thread engaged with the external screw thread of pressure adjusting screw.By rotation pressure adjusting screw rod, pressure adjusting screw is adjusted
The depth of mounting hole is inserted into, so as to adjust the compressed degree of piercing knife cushion pad, the punching pressure of piercing knife can be adjusted
Section.By adjusting the height of piercing knife locating shaft, the height of piercing knife can be adjusted.
In preferred embodiment, above-mentioned upper mold further includes binder ring, and binder is located in the cavity of cut-off-die, and piercing knife is in pressure
In the cavity for expecting ring, the lower face of binder ring matches with the upper surface of lower cut-off-die or shaping mould and position 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.In one concrete scheme, binder
Equipped with compression spring between ring and cope plate, binder ring can be made to treat molding plastic sheet when compressing spring contraction and apply one
Fixed pressure.In another concrete scheme, there is sealing ring on the outside of binder ring, form binder ring upper end and the cavity inner wall of upper cut-off-die
Pressure air chamber, pressure air chamber can be passed through compressed gas, and binder ring is enable to treat molding plastic sheet and applies certain pressure.
In another concrete scheme, equipped with compression spring between binder ring and cope plate, and there is sealing ring on the outside of binder ring, make binder ring
Upper end and the cavity inner wall of upper cut-off-die form pressure air chamber, and the combination using compression spring and compressed gas treats into binder ring
The plastic sheet of type applies certain pressure.
In a kind of preferred embodiment, above-mentioned shaping mould includes Bian Mo and movable die block, and side mould is mounted in lower mold body and is in
The inside of lower cut-off-die, movable die block are arranged on the inside of side mould；Lower die further includes knock-pin and knock-pin installing plate, knock-pin installation
Plate is arranged below lower template, and knock-pin upper end is connected with movable die block, and the lower end of knock-pin extend out to below lower template and connects
Knock-pin installing plate；The thimble through hole is arranged on movable die block, and knock-pin top is equipped with the spring connected with thimble through hole and holds
Chamber, thimble seat and thimble resetting spring are arranged in spring cavity volume, and thimble resetting spring is to compress spring, under thimble resetting spring
End is contacted with spring cavity volume bottom, and thimble resetting spring upper end is contacted with thimble seat.Under the action of thimble resetting spring, thimble
Seat and thimble have the trend moved upwards；When being punched, piercing knife insertion thimble through hole is simultaneously pressed downward thimble, at this time thimble
Resetting spring is compressed.
In more preferable scheme, 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 lower template
Connection, 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 die
When plate lifts, manage positive guide sleeve and slided along positive guide post is managed, bootable knock-pin installing plate, knock-pin more smoothly lift.
In more preferable scheme, above-mentioned lower template is equipped with the limit shaft moved towards up and down, and knock-pin installing plate is equipped with /V
Through hole, limit shaft are in limiting through hole, and limit shaft lower end is socketed with lower limit washer, and lower limit washer is in knock-pin installation
Below plate.During knock-pin installing plate declines, when the lower surface of knock-pin installing plate touches the upper surface of lower limit washer
When, knock-pin installing plate no longer declines.
In another preferred embodiment, above-mentioned shaping mould include while mould, can compared with while mould lifting the first movable mold and
The second movable mold that can be lifted compared with Bian Mo and the first movable mold, side mould are fixedly mounted in lower mold body and in lower cut-off-die
Inside, the first movable mold are arranged on the inside of side mould, and the second movable mold is arranged on the inside of the first movable mold；Lower die further includes ejection
Bar, knock-pin installing plate, interior ejector sleeve, inner top panel and inner top panel lifting cylinder；Knock-pin installing plate is arranged below lower template, top
Rod upper end is connected with the second movable mold, and the lower end of knock-pin extend out to below lower template and connects knock-pin installing plate；It is described
Thimble through hole is arranged in the second movable mold, and knock-pin top is equipped with the spring cavity volume connected with thimble through hole, thimble seat and thimble
Resetting spring is arranged in spring cavity volume, and thimble resetting spring is compression spring, thimble resetting spring lower end and spring cavity volume bottom
Portion contacts, and thimble resetting spring upper end is contacted with thimble seat；Inner top panel cavity volume is equipped in lower mold body, inner top panel holds arranged on inner top panel
In chamber, interior ejector sleeve is socketed on knock-pin and can be moved up and down along knock-pin, and interior ejection set upper side is connected with the first movable mold,
Interior ejector sleeve lower end is connected with inner top panel, and the cylinder body of inner top panel lifting cylinder is fixedly mounted in lower template, inner top panel lifting air
The piston rod of cylinder is connected upward and with inner top panel.When shaping mould is in shaping desired position, Bian Mo, the first movable mold and the
Two movable molds collectively form and the corresponding shaping mould of plastic products.The lifting of above-mentioned first movable mold is i.e. interior by an elevating mechanism
Top plate lifting cylinder controls, and the lifting of the second movable mold is by another elevating mechanism（Drive the mechanism of knock-pin installing plate lifting）
Control, by setting the stroke of two elevating mechanisms, it can be achieved that two stage mold unloading：In first order knockout course, the first movable mold and
Second movable mold synchronously rises or the first movable mold rises, and the edge of plastic products is made to depart from side mould；It was demoulded in the second level
Journey, the second movable mold continues to rise, and plastic products are ejected.
In more preferable preferred embodiment, nylon washer is installed, nylon washer is in the second movable mold on above-mentioned interior ejector sleeve
Underface, nylon washer plays cushioning effect when the second movable mold declines, and can reduce rushing for the internal ejector sleeve of the second movable mold
Hit power.
In more preferable scheme, 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 lower template
Connection, 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 die
When plate lifts, manage positive guide sleeve and slided along positive guide post is managed, bootable knock-pin installing plate, knock-pin more smoothly lift.
In more preferable scheme, above-mentioned lower template is equipped with the limit shaft moved towards up and down, and knock-pin installing plate is equipped with /V
Through hole, limit shaft are in limiting through hole, and limit shaft lower end is socketed with lower limit washer, and lower limit washer is in knock-pin installation
Below plate.During knock-pin installing plate declines, when the lower surface of knock-pin installing plate touches the upper surface of lower limit washer
When, knock-pin installing plate no longer declines.
The shape and size design in the hole that the cutting edge shape and size of above-mentioned piercing knife are beaten as needed, common are cross
Shape blade, linear type blade etc..
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.
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.
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 utility model is equipped with shaping mould, upper cut-off-die, lower cut-off-die and hole punched device, disposably can complete to be molded, punch
And shearing manipulation, the porose plastic products of single band are produced, is conducive to improve production efficiency, and can ensure that punch position
Accurately, it is ensured that product quality；And piercing knife will not be subject to excessive resistance in punching, and not easily damaged, service life is long.
Description of the drawings
Fig. 1 is the structure diagram of the preferred embodiment in the utility model（Molding state）；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, this hot forming tool with punching functions includes upper mold 1 and lower die 2.The present embodiment
Hot forming tool for making plastic closure.
Upper mold 1 includes cope plate 11 and upper cut-off-die 12, and upper cut-off-die 12 is mounted on cope plate 11 and is under cope plate 11
Side, upper cut-off-die 12 have a cavity.
Upper mold 1 further includes binder ring 13, and binder ring 13 is arranged in the cavity of upper cut-off-die 12, and the lower face of binder ring 13 is under
The upper surface of cut-off-die 23 matches and position is corresponding.Binder ring 13 can move up and down in the cavity of upper cut-off-die 12, molding
When binder ring 13 sheet material is pressed in lower die 2.Compression spring 14 is housed in the present embodiment between binder ring 13 and cope plate 11,
Compression spring 14 can make binder ring 13 treat molding plastic sheet application certain pressure when shrinking.
Lower die 2 includes lower template 21, lower mold body 22, lower cut-off-die 23 and shaping mould 24, and lower mold body 22 is mounted on lower template 21
It goes up and is in 21 top of lower template, lower cut-off-die 23 is mounted in lower mold body 22 and is in 22 top of lower mold body, and shaping mould 24 is arranged on
The inside of lower cut-off-die 23.
Hot forming tool is additionally provided with hole punched device, and hole punched device is answered including piercing knife 15, thimble 25, thimble seat 26 and thimble
Position spring 27, piercing knife 15 are arranged in upper mold 1 and are in the cavity of cut-off-die 12（Piercing knife 15 is in pressure in the present embodiment
In the cavity for expecting ring 13）, thimble 25, thimble seat 26 and thimble resetting spring 27 are arranged in lower die 2.
Hole punched device further includes adjusting nut seat 16, piercing knife locating shaft 17, location nut 18, lower punching cutter shaft 19, punching
Hole knife cushion pad 110, upper punching cutter shaft 111 and pressure adjusting screw 112；Adjusting nut seat 16 is mounted on cope plate 11, is adjusted
16 top of section nut seat has the screw hole 161 moved towards up and down, and piercing knife locating shaft 17 has an external thread section 171（That is piercing knife
Locating shaft 17 is equipped with externally threaded one section）, the external screw thread of adjusting nut seat 16, location nut 18 with piercing knife locating shaft 17
Section 171 engages（I.e. the external thread section 171 of piercing knife locating shaft 17 is arranged in the screw hole 161 of adjusting nut seat 16 and with adjusting spiral shell
Female seat 16 engages, and location nut 18 is mounted on the external thread section 171 of piercing knife locating shaft 17）, location nut 18 is in adjusting
16 top of nut seat, location nut 18 and adjusting nut seat 16 jointly clamp cope plate 11（Piercing knife is determined with this configuration
Position axis 17 is fixed on cope plate 11）；It is equipped with the mounting hole 172 that moves towards up and down in piercing knife locating shaft 17, lower punching cutter shaft 19,
Piercing knife cushion pad 110, upper punching cutter shaft 111 and pressure adjusting screw 112 are sequentially arranged at the mounting hole 172 from bottom to top
In, lower punching cutter shaft 19, piercing knife cushion pad 110, upper punching cutter shaft 111, pressure adjusting screw 112 are in close contact successively, under
19 lower end self installation hole of punching cutter shaft, 172 lower end is stretched out and is connected with piercing knife 15, and 172 top of mounting hole has to be adjusted with pressure
The internal thread of the external screw thread engagement of screw rod 112.By rotation pressure adjusting screw rod 112, adjustable pressure adjusting screw 112 is inserted into
The depth of mounting hole 172, so as to adjust the compressed degree of piercing knife cushion pad 110, can to the punching pressure of piercing knife 15 into
Row is adjusted.By adjusting the height of piercing knife locating shaft 17, the height of piercing knife 15 can be adjusted.
In the present embodiment, shaping mould 24 include while mould 241, can compared with while mould 241 lift the first movable mold 242, with
And the second movable mold 243 that can be lifted compared with 241 and first movable mold 242 of side mould, side mould 241 are fixedly mounted on lower mold body 22
It goes up and is in the inside of lower cut-off-die 23, the first movable mold 242 is arranged on the inside of side mould 241, and the second movable mold 243 is arranged on first and lives
The inside of dynamic model 242；Lower die 2 further includes knock-pin 28, knock-pin installing plate 29, interior ejector sleeve 210, inner top panel 211 and interior top
Plate lifting cylinder 212；Knock-pin installing plate 28 is arranged on 21 lower section of lower template, and 28 upper end of knock-pin is connected with the second movable mold 243,
The lower end of knock-pin 28 extend out to 21 lower section of lower template and connects knock-pin installing plate 28；Second movable mold 243 is equipped with up and down
The thimble through hole 213 of trend, thimble 25 are in thimble through hole 213, and 25 lower end of thimble is connected with thimble seat 26, thimble through hole
213 are mutually aligned with 15 position of piercing knife；28 top of knock-pin is equipped with the spring cavity volume 214 connected with thimble through hole 213, thimble
Seat 26 and thimble resetting spring 27 are arranged in spring cavity volume 214, and thimble resetting spring 27 is to compress spring, thimble resetting spring
27 lower ends are contacted with 214 bottom of spring cavity volume, and 27 upper end of thimble resetting spring is contacted with thimble seat 26（Thimble resetting spring 27 is right
Thimble seat 26 applies upward active force）；Inner top panel cavity volume 215 is equipped in lower mold body 22, inner top panel 211 is arranged on inner top panel cavity volume
In 215, interior ejector sleeve 210 is socketed on knock-pin 28 and can be moved up and down along knock-pin 28, interior 210 upper end of ejector sleeve and first
Movable mold 242 connects, and interior 210 lower end of ejector sleeve is connected with inner top panel 211, and the cylinder body 2121 of inner top panel lifting cylinder 212 is fixed
In lower template 21, the piston rod 2122 of inner top panel lifting cylinder 212 is connected upward and with inner top panel 211.Interior ejector sleeve
Nylon washer 216 is installed, nylon washer 216 is in the underface of the second movable mold 243 on 210.When shaping mould 24 be in into
During type desired position, side mould 241, the first movable mold 242 and the second movable mold 243 collectively form corresponding with plastic products
Shaping mould.The lifting of first movable mold 242 is controlled by one elevating mechanism, that is, inner top panel lifting cylinder 212, the second movable mold 243
Lifting is by another elevating mechanism（Drive the mechanism of knock-pin installing plate lifting）Control, by the row for setting two elevating mechanisms
Journey is, it can be achieved that two stage mold unloading：In first order knockout course, the first movable mold 242 and the 243 synchronous rising of the second movable mold or
First movable mold 242 rises, and the edge of plastic products is made to depart from side mould 241；In second level knockout course, the second movable mold 243
Continue to rise, and plastic products are ejected.
Lower template 21 is equipped with the positive guide post 217 of pipe moved towards up and down, manages positive 217 upper end of guide post and is connected with lower template 21, pushes up
Rod installing plate 29, which is equipped with, manages positive guide sleeve 218, manages positive guide post 217 and is in the positive guide sleeve 218 of pipe.Knock-pin installing plate 29 is opposite
When lower template 21 lifts, manage positive guide sleeve 218 and slided along the positive guide post 217 of pipe, bootable knock-pin installing plate 29, knock-pin 28 are more
Smoothly to lift.
Lower template 21 is equipped with the limit shaft 219 moved towards up and down, and knock-pin installing plate 29 is equipped with limiting through hole 220, limit
Position axis 219 is in limiting through hole 220, and 219 lower end of limit shaft is socketed with lower limit washer 221, and lower limit washer 221 is in top
29 lower section of rod installing plate.During knock-pin installing plate 29 declines, when the lower surface of knock-pin installing plate 29 touches lower limit
During the upper surface of position washer 221, knock-pin installing plate 29 no longer declines.
The shape and size design in the hole that the cutting edge shape and size of piercing knife 15 are beaten as needed, common are cross
Blade, linear type blade etc..
The inner edge of upper 12 lower end of cut-off-die is upper shearing knife edge, and the outer rim of lower 23 upper end of cut-off-die is down cut blade, down cut
Blade matches with upper shearing knife edge.
In addition, for shortening molding cycle, circulating cooling water route 222 in mold is usually also set up, shaping mould is cooled down,
Make product fast cooling shaping.
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.
Before production, the height and position where piercing knife 15 is first regulated, makes it with needing the position punched on plastic products
It is corresponding；And pass through pressure adjusting screw 112, adjust the compressed degree of piercing knife cushion pad 110, the punching to piercing knife 15
Pressure is adjusted.
When making plastic products, 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 lower die 2 rises at this time, and hot forming tool molding, compression spring 14 applies binder ring 13 downwards
Thrust, binder ring 13 is made to be pressed on sheet material on the upper surface of lower cut-off-die 23, the cavity of plastic sheet and upper cut-off-die 12 it
Between formed shaping gas chamber；It states then up in shaping gas chamber and is passed through compressed gas, under the action of compressed air, plastic sheet is tight
Paste shaping mould 24（The upper surface of thimble 25 is concordant with the upper surface of the second movable mold 243 at this time）；With circulating cooling in rear mold
Water route 222 is passed through cooling water, and finishing die 24 is cooled down, formed sheet is shaped；Then lower die 2 further rises, punching
Knife 15 moves downward compared with lower die 2 and is inserted into thimble through hole 213（Thimble 25 contracts downwards under the promotion of piercing knife 15 at this time
Enter thimble through hole 213）, punched on formed sheet（Punch position is the centre of plastic products）, meanwhile, on lower cut-off-die 23
The down cut blade of outer rim is held to coordinate with the upper shearing knife edge of upper 12 lower end inner edge of cut-off-die, the formed sheet after setting is cut
It cuts, plastic products is cut out coming from formed sheet, obtain the porose plastic products of single band；Subsequent lower die 2 declines, and moulds
Leave binder ring 13 in the edge of material products；Then, inner top panel lifting cylinder 212 is driven by inner top panel 211, interior ejector sleeve 210
First movable mold 242 rises compared with lower template 11, and knock-pin installing plate 29 drives 28 and second movable mold 243 of knock-pin opposite
Rise in lower template 11, plastic products are ejected；Then dry to plastic products, plastic products are blown off hot forming tool, from
And complete one-step hot moulding process.Then lower die 2 rises, and the first movable mold 242 and the second movable mold 243 is made to return back to shaping institute
The position needed prepares thermoforming process next time.
In other embodiments, shaping mould includes Bian Mo and movable die block, and side mould is mounted in lower mold body and is in down and cuts
The inside of mould, movable die block are arranged on the inside of side mould；Lower die further includes knock-pin and knock-pin installing plate, and knock-pin installing plate is set
Below lower template, knock-pin upper end is connected with movable die block, and the lower end of knock-pin extend out to below lower template and connects ejection
Bar installing plate；The thimble through hole is arranged on movable die block, and knock-pin top is equipped with the spring cavity volume connected with thimble through hole, top
Needle stand and thimble resetting spring are arranged in spring cavity volume, and thimble resetting spring is compression spring, thimble resetting spring lower end with
Spring cavity volume bottom contacts, and thimble resetting spring upper end is contacted with thimble seat.Under the action of thimble resetting spring, thimble seat and
Thimble has the trend moved upwards；When being punched, piercing knife insertion thimble through hole is simultaneously pressed downward thimble, and thimble resets at this time
Spring is compressed.
Claims (10)
1. a kind of hot forming tool with punching functions, including upper die and lower die；Upper mold includes cope plate and upper cut-off-die, above cuts
Mould is mounted on cope plate and is in below cope plate, and upper cut-off-die has a cavity；Lower die include lower template, lower mold body, under cut
Mould and shaping mould, lower mold body are mounted in lower template and are in above lower template, under lower cut-off-die is mounted in lower mold body and is in
Above die body, shaping mould is arranged on the inside of lower cut-off-die, it is characterized in that：The hot forming tool is additionally provided with hole punched device, punching dress
It puts including piercing knife, thimble, thimble seat and thimble resetting spring, piercing knife is arranged in upper mold and is in the cavity of cut-off-die
Interior, thimble, thimble seat and thimble resetting spring are arranged in lower die, and shaping mould is equipped with the thimble through hole moved towards up and down, thimble
It is in thimble through hole, thimble lower end is connected with thimble seat, and thimble resetting spring applies thimble seat on upward active force, thimble
Through hole is mutually aligned with punching cutter position.
2. hot forming tool according to claim 1, it is characterized in that：The hole punched device further includes adjusting nut seat, punching
Hole knife locating shaft, location nut, lower punching cutter shaft, piercing knife cushion pad, upper punching cutter shaft and pressure adjusting screw；Adjusting nut
Seat is mounted on cope plate, and adjusting nut seat top has the screw hole moved towards up and down, and piercing knife locating shaft has an external thread section,
The external thread section of adjusting nut seat, location nut with piercing knife locating shaft engages, and location nut is in above adjusting nut seat,
Location nut and adjusting nut seat are jointly by upper mold board clamping；The mounting hole moved towards up and down, undershoot are equipped in piercing knife locating shaft
Hole cutter shaft, piercing knife cushion pad, upper punching cutter shaft and pressure adjusting screw are sequentially arranged at from bottom to top in the mounting hole, undershoot
Hole cutter shaft, piercing knife cushion pad, upper punching cutter shaft, pressure adjusting screw are in close contact successively, lower punching cutter shaft lower end self installation
Hole lower end is stretched out and is connected with piercing knife, has the internal thread engaged with the external screw thread of pressure adjusting screw at the top of mounting hole.
3. hot forming tool according to claim 1, it is characterized in that：The upper mold further includes binder ring, and binder is located on
In the cavity of upper cut-off-die, piercing knife is in the cavity of binder ring, the lower face of binder ring and the upper end of lower cut-off-die or shaping mould
Face matches and position is corresponding.
4. according to claim 1-3 any one of them hot forming tools, it is characterized in that：The shaping mould includes Bian Mo and activity
Bed die, side mould is mounted in lower mold body and the inside in lower cut-off-die, movable die block are arranged on the inside of side mould；Lower die further includes top
Rod and knock-pin installing plate, knock-pin installing plate are arranged below lower template, and knock-pin upper end is connected with movable die block, knock-pin
Lower end extend out to below lower template and connect knock-pin installing plate；The thimble through hole is arranged on movable die block, on knock-pin
Portion is equipped with the spring cavity volume connected with thimble through hole, and thimble seat and thimble resetting spring are arranged in spring cavity volume, and thimble resets
Spring is compression spring, and thimble resetting spring lower end is contacted with spring cavity volume bottom, thimble resetting spring upper end and thimble seated connection
It touches.
5. hot forming tool according to claim 4, it is characterized in that：The lower template is equipped with the pipe moved towards up and down and just leads
Column 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 and is in the positive guide sleeve of pipe
In.
6. hot forming tool according to claim 4, it is characterized in that：The lower template is equipped with the /V moved towards up and down
Axis, knock-pin installing plate are equipped with limiting through hole, and limit shaft is in limiting through hole, and limit shaft lower end is socketed with lower limit pad
Circle, lower limit washer are in below knock-pin installing plate.
7. according to claim 1-3 any one of them hot forming tools, it is characterized in that：The shaping mould include side mould, can phase
The first movable mold lifted for side mould and the second movable mold that can be lifted compared with Bian Mo and the first movable mold, Bian Mogu
In the lower mold body and the inside in lower cut-off-die, the first movable mold is arranged on the inside of side mould for Dingan County, and the second movable mold is arranged on the
The inside of one movable mold；Lower die further includes knock-pin, knock-pin installing plate, interior ejector sleeve, inner top panel and inner top panel lifting cylinder；
Knock-pin installing plate is arranged below lower template, and knock-pin upper end is connected with the second movable mold, and the lower end of knock-pin extend out to lower die
Plate lower section simultaneously connects knock-pin installing plate；The thimble through hole is arranged in the second movable mold, and knock-pin top is equipped with to be led to thimble
The spring cavity volume of hole connection, thimble seat and thimble resetting spring are arranged in spring cavity volume, and thimble resetting spring is compression spring,
Thimble resetting spring lower end is contacted with spring cavity volume bottom, and thimble resetting spring upper end is contacted with thimble seat；It is equipped in lower mold body
Inner top panel cavity volume, inner top panel are arranged in inner top panel cavity volume, and interior ejector sleeve is socketed on knock-pin and can be moved up and down along knock-pin,
Interior ejection set upper side is connected with the first movable mold, and interior ejector sleeve lower end is connected with inner top panel, and the cylinder body of inner top panel lifting cylinder is consolidated
In lower template, the piston rod of inner top panel lifting cylinder is connected upward and with inner top panel for Dingan County.
8. hot forming tool according to claim 7, it is characterized in that：Nylon washer, Buddhist nun are installed on the interior ejector sleeve
Imperial washer is in immediately below the second movable mold.
9. hot forming tool according to claim 7, it is characterized in that：The lower template is equipped with the pipe moved towards up and down and just leads
Column 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 and is in the positive guide sleeve of pipe
In.
10. hot forming tool according to claim 7, it is characterized in that：The lower template is equipped with the /V moved towards up and down
Axis, knock-pin installing plate are equipped with limiting through hole, and limit shaft is in limiting through hole, and limit shaft lower end is socketed with lower limit pad
Circle, lower limit washer are in below knock-pin installing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721360559.0U CN207432758U (en) | 2017-10-21 | 2017-10-21 | Hot forming tool with punching functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721360559.0U CN207432758U (en) | 2017-10-21 | 2017-10-21 | Hot forming tool with punching functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432758U true CN207432758U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721360559.0U Active CN207432758U (en) | 2017-10-21 | 2017-10-21 | Hot forming tool with punching functions |
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| Country | Link |
|---|---|
| CN (1) | CN207432758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE544079C2 (en) * | 2018-12-20 | 2021-12-14 | Pulpac AB | Forming mould system and method for forming cellulose products |
-
2017
- 2017-10-21 CN CN201721360559.0U patent/CN207432758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE544079C2 (en) * | 2018-12-20 | 2021-12-14 | Pulpac AB | Forming mould system and method for forming cellulose products |
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