CN101774273B - All-in-one machine for vacuum forming, molding and punching - Google Patents

All-in-one machine for vacuum forming, molding and punching Download PDF

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Publication number
CN101774273B
CN101774273B CN2010101152304A CN201010115230A CN101774273B CN 101774273 B CN101774273 B CN 101774273B CN 2010101152304 A CN2010101152304 A CN 2010101152304A CN 201010115230 A CN201010115230 A CN 201010115230A CN 101774273 B CN101774273 B CN 101774273B
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China
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punching
finished
mould
cylinder
frame
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CN2010101152304A
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Chinese (zh)
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CN101774273A (en
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蔡健伟
包能胜
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汕头市金兴机械有限公司
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Publication of CN101774273A publication Critical patent/CN101774273A/en
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Publication of CN101774273B publication Critical patent/CN101774273B/en

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Abstract

The invention relates to an all-in-one machine for vacuum forming, molding and punching, comprising a rack, a material traction device, a heating device, a forming unit, a punching device and a control device; wherein a top die platform and a bottom die platform of the forming device are provided with moulding moulds which are thereupon provided with a convex part or a concave part for forming a light trapping bump on plastic sheets; the punching device comprises a punching shear mechanism, a guide rail which moves frontwards and backwards and a photocell eye for detecting the light trapping bump; the guide rail is arranged in the front of the punching shear mechanism, the photocell eye is arranged in the front of the punching shear mechanism and is connected with a corresponding input terminal corresponding to the control device.In the invention, when forming is carried out, the light trap bump can be formed on the plastic sheet, the flaky plastic products can be prevented from transversely displacing by the guide of the guide rail, the photocell eye can be used to detect the light trap bump and the control device can be used to lead the material traction device to convey the flaky plastic products to preset distance, so that the longitudinal position of the plastic products is accurate when the plastic products enter the punching shear mechanism and the flaky plastic products can accurately arrive at the preset position of the punching mechanism.

Description

All-in-one machine for vacuum forming, molding and punching

Technical field

The present invention relates to plastic molding equipment, specifically, relate to a kind of all-in-one machine for vacuum forming, molding and punching.

Background technology

Plastic sheet can pass through thermoforming process and process plastic products, adopts plastic uptake technology or blow molding process usually, and is corresponding, and thermoforming machine has two kinds of plastic suction forming apparatus and blow molding machines usually.Wherein, plastic suction forming apparatus utilizes negative pressure to make plastic sheet be close to shaping mold cavity after making it softening to plastic sheet heating, forms the plastic products of definite shape.

Existing plastic suction forming apparatus (like all-in-one machine for vacuum forming, molding and punching) generally includes frame, material draw-gear, heater, shaped device, blanking units and control device; Material draw-gear, heater, shaped device and blanking units all are located on the frame; Under the control of control device; Material draw-gear, shaped device and blanking units are by preset program work; The material draw-gear is transported to heater, shaped device with plastics materials, heats successively, moulding, through obtaining plastic products in blocks after the hot briquetting; Blanking units carries out die-cut processing to plastic products in blocks subsequently, forms each independently plastic products unit (being finished product).

The effect of blanking units is in type plastic products to be carried out punching handle, and forms each independently plastic products unit.Blanking units generally comprises down the punching mould, goes up punching mould and last punching mould lift drive mechanism; Size, the shape of the size of last punching mould, shape and following punching mould are complementary; Following punching mould is installed on the frame, is connected above the punching mould and with last punching mould lift drive mechanism under last punching mould is in.The effect of last punching mould lift drive mechanism is to drive last punching mould to move up and down, and adopts motor, hydraulic cylinder or cylinder that power is provided usually.Common above-mentioned blanking units also is provided with guiding mechanism; Guiding mechanism can guide punching mould and following punching mould position matched moulds exactly; Guiding mechanism generally comprises guide pillars and bushes; Guide pillar is fixedly mounted on the frame vertically, and guide pin bushing is fixedly mounted on the punching mould, and guide pin bushing is enclosed within on the guide pillar slidably; Perhaps guide pin bushing is fixedly mounted on the frame, and guide pillar is fixedly mounted on the punching mould vertically, and guide pillar is in the guide pin bushing and with guide pin bushing and is slidingly matched.During work, treat that the plastic products of punching are transported to down on the punching mould; Under the effect of last punching mould lift drive mechanism, last punching mould moves down, and with following punching mould matched moulds, plastic products are carried out punching handle, punching goes out each independently plastic products unit; Subsequently, under the effect of last punching mould lift drive mechanism, last punching mould moves up; Last punching mould separates with following punching mould; The plastic products that accomplish punching this moment withdraw from down the punching mould, are transported to down on the punching mould with one section stylish plastic products, wait for the next round punching.Though this blanking units can be accomplished punching automatically, and go up punching mould and following punching mould usually can the position matched moulds exactly, when plastic products get into down the punching mould; Plastic products often can not entirely accurate ground arrive the precalculated position, but deviation slightly, like this; When last punching mould moves downward and during with following punching mould matched moulds; The punching position of last punching mould and following punching mould can not be aimed at the actual plastic products unit outline line that requires on the plastic products fully, the position of promptly departing from the outline line of actual requirement slightly, like this; The plastic products unit that obtains after the punching often can not meet actual requirement fully, will produce many substandard products.

At present, when finished product is collected, generally adopt manual work to stack and count; The finished product that transfer out from blanking units this moment often is deposited in together mussily, therefore needs more staff, and labour intensity is big; Production efficiency is low, and the easy inaccurate situation of occurrence count.

In addition; Shaped device general using negative pressure makes the plastic sheet moulding; Shaped device comprises patrix platform, counterdie platform and folding mould controlling organization; Wherein on patrix platform or the counterdie platform mould is installed, mould has shaping mold cavity and outlet passageway, and outlet passageway one end is communicated with shaping mold cavity, the other end is connected vacuum extractor.Plastic sheet gets into shaped device (also can heater be installed in the position corresponding with shaped device usually) after heating through heater; Under the driving of folding mould controlling organization, the plastic sheet that patrix platform and counterdie platform matched moulds, patrix platform and counterdie platform will pass through heating clamps; Vacuum extractor extracts the gas between plastic sheet and the shaping mold cavity subsequently, makes plastic sheet be close to the inwall of shaping mold cavity, accomplishes moulding.When the product surface shape is big than complicacy or plastic sheet thickness, plastic sheet and shaping mold cavity inwall untight situation of fitting appears easily, consequently produce substandard products, qualification rate is low, and molding time is long, and production efficiency is low.

Summary of the invention

Technical problem to be solved by this invention provides a kind of all-in-one machine for vacuum forming, molding and punching; The blanking units of this all-in-one machine for vacuum forming, molding and punching can carry out die-cut on the accurate position of in type plastic products in blocks, obtains satisfactory plastic products unit.The technical scheme that adopts is following:

A kind of all-in-one machine for vacuum forming, molding and punching; Comprise frame, material draw-gear, heater, shaped device, blanking units and control device; Material draw-gear, heater, shaped device and blanking units all are located on the frame; Shaped device is located at the heater rear, and blanking units is located at the shaped device rear; Shaped device comprises patrix platform, counterdie platform and folding mould controlling organization, on patrix platform or the counterdie platform mould is installed; Blanking units comprises punching mechanism; Punching mechanism comprises following punching mould, goes up punching mould and last punching mould lift drive mechanism; Following punching mould is installed on the frame; Last punching mould is in down punching mould top and is connected with last punching mould lift drive mechanism, it is characterized in that: said mould is provided with and is used on plastic sheet moulding the be in the light lug boss or the lower concave part of projection; The guide rail of trend and the photocell eye that can detect the projection that is in the light before and after blanking units also comprises, guide rail is located at punching mechanism the place ahead, and photocell eye is located at punching mechanism the place ahead, and photocell eye is connected with the corresponding input of control device.

Behind the plastic sheet entering shaped device through the heater heating; When being shaped to plastic products in blocks, the position that lug boss on plastic sheet and the mould or lower concave part are corresponding forms the projection (projection that is in the light is on the clout between the plastic products unit usually) that is in the light; Plastic products in blocks get into punching mechanism under the guiding of guide rail, the effect of guide rail is to prevent plastic products transverse shift in blocks, and the lateral attitude is accurate when making plastic products in blocks get into punching mechanism; When photocell eye detects when being in the light projection; Photocell eye produces the signal of telecommunication to control device; After control device is handled this signal of telecommunication; Send a control signal to corresponding driving device in the material draw-gear (drive unit adopts servomotor usually); Make the material draw-gear send plastic products in blocks to preset distance (preset distance is that the test point of photocell eye and plastic products in blocks get into the distance between the precalculated position in the punching mechanism, and this distance can be confirmed through the revolution that servomotor is set) back operation suspension, thereby plastic products position in blocks is sent into punching mechanism exactly.The effect of photocell eye and control device is that lengthwise position is accurate when making plastic products in blocks get into punching mechanism.Because guide rail can accurately limit the lateral attitude of plastic products in blocks, and photocell eye and control device can accurately be controlled the lengthwise position of plastic products in blocks, therefore plastic products in blocks can arrive the precalculated position in the punching mechanism in the position exactly.

Photocell eye can be located at the correct position in punching mechanism the place ahead, as long as can detect the projection that is in the light smoothly.Usually, can on guide rail, be provided for placing the groove or the hole of photocell eye, photocell eye is installed in this groove or the hole; Photocell eye also can be located at the rear end of guide rail, and a side and the position of perhaps being located at guide rail are higher than guide rail, perhaps are located at the top of guide rail.Photocell eye comprises emission element and receiving-member; Usually; Emission element and receiving-member are located at the both sides of the projection that is in the light respectively and are aimed at each other; The signal output part of receiving-member is connected with the corresponding input of control device, when receiving-member does not receive the light of emission element emission, is judged to be to detect and is in the light projection and outputs signal to control device.In a concrete scheme; The guide rail top is provided with a photocell eye installing plate; The lower surface of photocell eye installing plate is provided with one can let the strip groove that projection passes through that is in the light; The emission element of photocell eye and receiving-member are installed in respectively on the two side of strip groove and each other and aim at, and the projection that is in the light this moment is molded on the upper surface of plastic sheet.In addition; Also can reflection part and receiving-member be located at the same side of the projection that is in the light; Reflection part emission light is when receiving-member receives the emission element emission and during by the light of the projection reflection of being in the light, is judged to be to detect and is in the light projection and outputs signal to control device.

Preferred guide rail top is provided with at least one holding pad, and plastic products in blocks pass through between holding pad and guide rail, and holding pad can be pressed to guide rail with plastic products in blocks, prevents plastic products dislocation in blocks better.Preferred guide rail top is provided with two holding pads; Two holding pads are in the both sides of guide rail respectively, like this, and when the both sides of plastic products in blocks form convex edge or the groove of longitudinal extension; Two holding pads respectively with two convex edges or groove fit, prevent plastic products transverse shift in blocks better.

Preferred above-mentioned blanking units also comprises the guide rail position governor motion, and the guide rail position governor motion comprises holder, moves seat, adjusting screw(rod), adjusting nut and adjusting handle, and holder is fixedly mounted on the frame; Adjusting screw(rod) is installed on the holder through bearing; Adjusting screw(rod) and guide rail are parallel to each other, and adjusting handle is installed in an end of adjusting screw(rod), adjusting nut and adjusting screw(rod) engagement; Mobile seat is installed on the adjusting nut, and guide rail is installed in and moves on the seat.Through rotating adjusting handle, adjusting screw(rod) is rotated, thereby adjusting nut, mobile seat and guide rail are moved forward or backward.

In order more in type plastic products in blocks to be positioned, preferred above-mentioned punching mould down is provided with the plastic products location structure.Above-mentioned plastic products location structure is used to treat the location of die-cut plastic products in blocks, makes to treat that die-cut plastic products in blocks are limited at position accurately when getting into the punching mould.

Above-mentioned plastic products location structure can be several location nails of being located at down on the punching mould upper surface; In this case; The mould of shaped device is provided with on the lower surface that can make plastic sheet to form with corresponding groove is followed closely in the location and becomes sprig or shaping groove; Like this; Shaped device makes to form on the lower surface of plastic sheet and the corresponding groove of location nail when making plastic sheet be shaped to plastic products in blocks, and groove is on the clout between the plastic products unit usually.When plastic products got into the punching mould in flakes, the groove on its lower surface was enclosed within the location and nails on, and plastic products in blocks are accurately positioned in down on the punching mould.

Above-mentioned plastic products location structure also can be several detents of being located at down on the punching mould upper surface; In this case; The mould of shaped device is provided with on the lower surface that can make plastic sheet and forms with the shaping groove of the corresponding projection of detent or become sprig; Like this; Shaped device makes on the lower surface of plastic sheet to form and the corresponding projection of detent when making plastic sheet be shaped to plastic products in blocks, and projection is on the clout between the plastic products unit usually.When plastic products got into the punching mould in flakes, the projection on its lower surface embedded in the detent, and plastic products in blocks are accurately positioned in down on the punching mould.

In addition; Above-mentioned plastic products location structure can be several location nails and several detents of being located at down on the punching mould upper surface; That is to say that certain several position on following punching mould upper surface are provided with the location nail, detent is set in other certain several position.

The above-mentioned punching mould lift drive mechanism of going up can adopt existing structure, for example cylinder, hydraulic cylinder, cam mechanism or slider-crank mechanism etc., and wherein cam mechanism and slider-crank mechanism adopt motor that power is provided usually.Preferred above-mentioned punching and shearing device also comprises guiding mechanism, and guiding mechanism can adopt existing structure (for example guide pin bushing and guide pillar cooperatively interact structure).

In order to realize stacking automatically and counting of finished product, reduce staff's labour intensity, enhance productivity, and counting to be accurately, preferred above-mentioned all-in-one machine for vacuum forming, molding and punching also comprises finished product collection device, finished product collection device comprises releasing mechanism and stacks mechanism; Stack mechanism and comprise finished product admittance mechanism and finished product delivery device; Finished product admits mechanism to comprise the elevating mechanism that finished product admits plate and driving finished product to admit plate to go up and down; Finished product admits plate to be located at the releasing mechanism below; And finished product admits plate to be positioned at punching mould below down, and elevating mechanism is installed on the frame, and finished product admits plate to be connected with elevating mechanism; The finished product delivery device comprises push pedal and translation mechanism, and push pedal vertically is provided with, and the extreme lower position that the position of push pedal and finished product can reach when admitting plate to descend is corresponding, and push pedal is connected with the outputting power end of translation mechanism, and translation mechanism is installed on the frame.

Releasing mechanism generally comprises and breaks away from cylinder, push rod, travel(l)ing rest and push jack, and the cylinder body that breaks away from cylinder is fixedly mounted on punching mould or the frame, preferably is arranged on the punching mould; Push rod is installed on the piston rod that breaks away from cylinder through travel(l)ing rest; The end of push rod stretches in last punching mould and is connected with push jack in being located at the punching mould; Push jack can be in punching mechanism under the effect of push rod the punching mould, move up and down in the punching mould down, the shape of push jack and size and the last punching mould of punching mechanism, down punching mould (following punching mould is generally tubular) shape with big or small, be complementary.When breaking away from the air cylinder driven push rod when moving downward, the push jack on the push rod also moves downward because the punching mould is cylindric down, so push jack can be directionally the individual plastic goods that come out of punching from releasing in the punching mould down.Usually; Following punching mould is provided with a plurality of punching form units down; Last punching mould is provided with a plurality of punching form units of going up, last punching form unit and one by one correspondence identical with following punching form unit quantity, but last punching form unit and following punching form unit once punching go out a finished product; Push jack is identical with following punching form unit quantity and corresponding one by one.

Under the original state, elevating mechanism admits plate to be raised to the position near following punching mould lower surface finished product; After last punching mould and following punching mould matched moulds are gone out finished product, break away from the air cylinder driven push rod and move downward, the push jack on the push rod also moves downward, push jack can be directionally the finished product that comes out of punching release from descending in the punching mould, finished product is dropped on the finished product admittance plate; Then die sinking, push jack reset, and elevating mechanism drives finished product and admits plate to move down certain distance, reserves the space of admitting finished product, prepares to admit the next group finished product; When push jack is released finished product once more in following punching mould, on the finished product before finished product is stacked to; When the finished product that piles up reached predetermined quantity, elevating mechanism drives admitted plate to drop to extreme lower position; Translation mechanism drives push pedal finished product is released finished product admittance plate outside, is returned to the origin-location with the rear drive push pedal; Elevating mechanism admits plate to be raised to down the lower surface of punching mould finished product once more, so circulates.Preferably, make push jack release finished product at every turn, all produce a light pressure effect on the plate admitting, the finished product of release tightly is enclosed within on the previous finished product through the distance of admitting between plate and push jack rationally is set, make finished product pile up more neat, finishing room is compacter.Because finished product generally is plastic containers such as cup, lid, dish, box, pile up easily neatly, in the process of admitting finished product; Each finished product is all produced a light pressure effect, and finished product has piled up one by one and has tightly overlapped, and finished product is released finished product admit the plate outside; Even topple over; Can not cause yet and be scattered in disorderly, the staff easily with stacked collection of finished products and be deposited into the finished product rest area, does not increase staff's labour intensity in the same old way.

Admit between plate and push jack apart under the bigger situation at finished product; For reaching fast lifting and the purpose of accurately locating, as preferred version of the present invention, above-mentioned elevating mechanism comprises subordinate's elevating mechanism, lifting platform and higher level's elevating mechanism; Subordinate's elevating mechanism is installed on the frame; The outputting power end of subordinate's elevating mechanism is connected with lifting platform, and higher level's elevating mechanism is installed on the lifting platform, and the outputting power end of higher level's elevating mechanism admits plate to be connected with finished product.Subordinate's elevating mechanism drives lifting platform and does the oscilaltion campaign, and higher level's elevating mechanism drives finished product and admits plate to do the oscilaltion campaign, and both actions can be carried out also can carrying out respectively simultaneously; In the time will driving the rising of finished product admittance plate, both move simultaneously, drive lifting platform and finished product respectively and admit plate to rise, and accelerate the rate of climb of finished product admittance plate, the time that saving is risen; When admitting in the finished product process, when the control finished product admitted plate progressively to descend, at this moment the distance that needs accurately control to descend can realize through fine setting subordinate elevating mechanism; After finished product has been admitted,, admit plate to drop to above the lifting platform fast finished product as long as make the action of higher level's elevating mechanism.Adopt the two-stage elevating mechanism, subordinate can be used to accurate control and progressively descends, but then fast rise and decline fast of higher level had so both taken into account speed, reached the purpose of accurate control again.

For further reaching accurate location and constitutionally stable purpose, as further preferred version of the present invention, above-mentioned subordinate elevating mechanism comprises servomotor, bearing, nut and screw rod; Nut is installed on the frame through bearing, the axis of bearing along the vertical direction, nut and coaxial bearing setting; Screw rod be in the screw of nut and with the nut engagement, the upper end of screw rod connects lifting platform; Servomotor is installed on the frame, and an end of servomotor and nut is in transmission connection.The rotating shaft of servomotor can be in transmission connection through gear train or chain-drive mechanism and nut.The outer ring of bearing is fixed on the frame, and the nut periphery is fixedly connected with the inner ring of bearing, and nut can only rotate around axis under the restriction of bearing; Servomotor and nut are in transmission connection, and driver nut is rotated, because nut can only rotate in the fixed position, the screw rod that is through in the screw is done corresponding the rising or descending motion under the effect of nut.Rotate through the driven by servomotor nut; Screw rod is moved up and down; Though its translational speed is slow, can reaches the distance that accurate control screw rod moves up and down through the rotation of control servomotor, thereby reach the distance that accurate control finished product admits plate to move down; On the finished product before the finished product that makes push jack at every turn push all tightly is enclosed within, reach the purpose of neatly piling up.Screw rod can adopt ball screw, the threaded rod that also can adopt other to cooperate with nut.In the preferred version, subordinate's elevating mechanism is provided with two groups of bearings, nut and screw rods, and the upper end symmetry of two screw rods is connected the lower surface of lifting platform.Use two ball screws to come the supporting elevation platform, play the stressed effect of sharing, make structure more firm simultaneously.Subordinate's elevating mechanism also can (as comprise two chains, chain be vertically installed, and each is connected the both sides of lifting platform with a chain, and servomotor and drive sprocket are in transmission connection through chain-drive mechanism; When servomotor drives the drive sprocket rotation; Chain moves up and down along with moving and drive lifting platform), gear drive (as comprise rack and pinion, vertically install, and tooth bar one end is connected with lifting platform by tooth bar; The rack and pinion engagement, gear and servomotor are in transmission connection; When the servomotor driven gear rotated, tooth bar moved up and down along with moving and drive lifting platform) wait transmission mechanism drive lifting platform to move up and down; But above-mentioned chain-drive mechanism and gear drive exist support degree not enough, unstable and be difficult to accurately shortcoming such as location, general less employing.

For reaching purpose simple and compact for structure, as the present invention's preferred version further, above-mentioned higher level's elevating mechanism comprises lift cylinder, and the cylinder body of lift cylinder is installed on the lifting platform, and the piston rod of lift cylinder admits plate to be connected up and with finished product.Higher level's elevating mechanism also can through chain-drive mechanism (as comprise two chains, chain is vertically installed, finished product admit plate both sides each be connected with a chain, motor and drive sprocket are in transmission connection; When the driven by motor drive sprocket rotates; Chain admits plate to move up and down along with moving and drive finished product), gear drive (as comprise rack and pinion, vertically install, and tooth bar one end is connected with finished product admittance plate by tooth bar; The rack and pinion engagement, gear is connected with drive of motor; When motor driven gear rotated, tooth bar admitted plate to move up and down along with moving and drive finished product) wait transmission mechanism to drive finished product admittance plate to move up and down; Shortcomings such as but above-mentioned chain-drive mechanism and gear drive exist, and support degree is not enough, instability and structure are not compact, general less employing.

For reaching the structure purpose of compact more; As the present invention's further preferred version again, above-mentioned translation mechanism comprises flat-removing air cyclinder, and the flat-removing air cyclinder along continuous straight runs is provided with; The cylinder body of flat-removing air cyclinder is installed on the frame, and the piston rod of flat-removing air cyclinder is connected with push pedal.When the piston rod of flat-removing air cyclinder stretches, can drive push pedal generation translation.In addition, translation mechanism also can adopt motor as power source, and motor can (as comprise two chains, each be connected the both sides of push pedal with a chain, and motor and drive sprocket are in transmission connection through chain-drive mechanism; When the motor drives drive sprocket rotated, chain was along with moving and drive the push pedal translation), (as comprise rack and pinion, tooth bar one end is connected with push pedal gear drive, and rack and pinion meshes, and gear is connected with electric-motor drive; When the motor drives gear rotated, tooth bar was along with moving and drive the push pedal translation) wait transmission mechanism drive push pedal translation.

For reaching accurate location and constitutionally stable purpose, as another kind of preferred version of the present invention, said elevating mechanism comprises servomotor, bearing, nut and screw rod; Nut is installed on the frame through bearing, the axis of bearing along the vertical direction, nut and coaxial bearing setting; Screw rod be in the screw of nut and with the nut engagement, the upper end of screw rod connects finished product and admits plate; Servomotor is installed on the frame, and an end of servomotor and nut is in transmission connection.Screw rod preferably adopts ball screw.Adopt at elevating mechanism under the situation of single-stage up-down mode; When finished product admits the lifting distance of plate identical; The stroke of single-stage elevating mechanism is equivalent to the twice of the stroke of each elevating mechanism in the two-stage elevating mechanism; Spatially be difficult to arrange, and the accurate control and the zooming control that progressively descend at a slow speed are difficult to reach unified.

In order to reach the purpose of automatic counting; The scheme that is more preferably as the present invention; The lift cylinder of the flat-removing air cyclinder (or motor) of the disengaging cylinder of above-mentioned releasing mechanism, finished product delivery device, finished product admittance mechanism and servomotor are electrically connected with a counter controller respectively and constitute a counting mechanism, and above-mentioned counter controller is located on the frame; Break away from cylinder and be electrically connected with the input of counter controller, the flat-removing air cyclinder of translation mechanism (or motor), finished product admit the lift cylinder and the servomotor of mechanism to be electrically connected with the output of counter controller.The function of counter controller is: when counter controller receives a certain periodic actuating signal, begin counting; When counting reached in advance setting value of counter controller, counter controller just can be exported a control signal and make the parts work that is connected with its output.

The operation principle of above-mentioned counting mechanism is: go up the every up-down of punching mould once, accomplish a punching, the piston rod that breaks away from cylinder is flexible once; One push jack of releasing mechanism breaks away from a finished product; Number of counter controller meter, and the output control signal is given servomotor, the servomotor rotation; Driver nut is rotated, and screw rod drives lifting platform and moves down certain distance; When breaking away from the flexible number of times of cylinder piston rod when reaching in advance setting value of counter controller; Lifting platform drops to frame bottom extreme lower position; Finished product admits the number of the article that whenever build up on the plate number of times flexible with breaking away from cylinder piston rod identical; At this moment, counter controller just can be exported a control signal and make the lift cylinder work that is connected with its output, the piston rod withdrawal of lift cylinder; Admit plate to drop to above the lifting platform finished product; And through exporting flat-removing air cyclinder or the motor work that another control signal makes the finished product delivery device that is connected with its output behind the suitable time-delay, drive push pedal stacked finished product is released finished product admittance plate outside, be returned to the origin-location then; Subsequently, the counting zero clearing of counter controller is sent control signal and is given servomotor and lift cylinder; Screw rod promotes lifting platform; Lift cylinder promotes finished product and admits plate to rise simultaneously, admits plate to arrive at down the lower surface of punching mould up to finished product, waits for receiving the next group finished product.

In the preferred above-mentioned shaped device, mould has shaping mold cavity and outlet passageway, and outlet passageway one end is communicated with shaping mold cavity, the other end is communicated with vacuum extractor; Counterdie platform or patrix platform are provided with and the corresponding binder ring of mould, and the shape of binder ring and size and shaping mold cavity wall are complementary, and the cavity of binder ring is communicated with blowning installation.During moulding, under the driving of folding mould controlling organization, the plastic sheet that patrix platform and counterdie platform matched moulds, patrix platform and counterdie platform will pass through heating clamps; Vacuum extractor extracts the gas between plastic sheet and the shaping mold cavity subsequently, and blowning installation is blown into gas in the cavity of binder ring, utilize negative pressure and malleation to act on the plastic sheet simultaneously; Make plastic sheet fit tightly inwall at shaping mold cavity; Accomplish moulding, Forming Quality is good, and qualification rate is high; And shaping speed is fast, and production efficiency is high.

Above-mentioned folding mould controlling organization can adopt existing structure, can the patrix platform goes up and down and the counterdie platform is fixedly mounted on the frame, also can the patrix platform be fixedly mounted on the frame and the counterdie platform goes up and down, also can patrix platform and the equal liftable of counterdie platform; The device that drives the up-down of patrix platform or counterdie platform can adopt cylinder, hydraulic cylinder or cam mechanism etc.

In a concrete scheme; Patrix platform and the equal liftable of counterdie platform; Above-mentioned folding mould controlling organization comprises hydraulic cylinder and following hydraulic cylinder; The cylinder body of last hydraulic cylinder and following hydraulic cylinder is installed on the frame, and the piston rod of last hydraulic cylinder is connected down and with the patrix platform, and the piston rod of following hydraulic cylinder is connected up and with the counterdie platform.In addition; Go up and down exactly in order to make patrix platform and counterdie platform position; Preferred frame is provided with four guide pillars; Be respectively equipped with four guide pin bushings on patrix platform and the counterdie platform, four guide pin bushings on the patrix platform are socketed on four guide pillars correspondingly, and four guide pin bushings on the counterdie platform are socketed on four guide pillars correspondingly.

Common above-mentioned outlet passageway is communicated with vacuum extractor through escape pipe, and escape pipe is provided with the vacuum valve that is used to control escape pipe conducting/cut-out; The cavity of binder ring is communicated with blowning installation through gas blow pipe, and gas blow pipe is provided with the purge valve that is used to control gas blow pipe conducting/cut-out.

The edge of plastic products has enough sheet materials to stretch when making moulding; Make its draw ratio smaller; Thereby make the sheet thickness at sheet thickness and other positions at plastic products edge approaching, make the strength ratio at plastic products edge better, preferred above-mentioned shaped device also comprises drawing mechanism.In a kind of concrete scheme, drawing mechanism comprises stretching head, stretching head installing plate and draft cylinder, and stretching head is installed on the stretching head installing plate, and stretching head is located in the cavity of binder ring, and the stretching head installing plate connects the piston rod of draft cylinder; In the another kind of concrete scheme; Drawing mechanism comprises stretching head, stretch, stretch installing plate and draft cylinder, and stretch one end connects stretching head, and stretching head is located in the cavity of binder ring; The stretch other end connects the stretch installing plate, and the stretch installing plate connects the piston rod of draft cylinder.When binder was located on the patrix platform, the cylinder body of draft cylinder can be installed on the patrix platform, and is fixed under the situation on the frame at the patrix platform, and the cylinder body of draft cylinder also can be installed on the frame.When binder was located on the counterdie platform, the cylinder body of draft cylinder can be installed on the counterdie platform, and is fixed under the situation on the frame at the counterdie platform, and the cylinder body of draft cylinder also can be installed on the frame.Draft cylinder is used to drive stretch and moves up and down; Under the drive of stretch, stretching head can move up and down in the cavity of binder ring.The shape and the article shape of stretching head are similar, and undersized is in goods, and the surface of stretching head is normally smooth.During matched moulds; Under the drive of stretch, stretching head rises in the cavity of binder ring (when binder is located on the counterdie platform) or descends (when binder is located on the patrix platform), and plastic sheet is carried out prestretched; Make plastic sheet shape and size and goods approaching, and then further moulding.

Shaped device of the present invention is when being shaped to plastic products in blocks with plastic sheet, and the position that lug boss on plastic sheet and mould or lower concave part are corresponding forms the projection that is in the light; Plastic products in blocks get into punching mechanism under the guiding of guide rail, guide rail can prevent plastic products transverse shift in blocks, and the lateral attitude is accurate when making plastic products in blocks get into punching mechanism; When photocell eye detects when being in the light projection; Photocell eye produces the signal of telecommunication to control device; Control device sends a control signal to corresponding driving device in the material draw-gear after this signal of telecommunication is handled, and makes the material draw-gear send plastic products in blocks to behind preset distance operation suspension; Lengthwise position was accurate when like this, photocell eye and control device can make plastic products in blocks get into punching mechanism; Because guide rail can accurately limit the lateral attitude of plastic products in blocks; And photocell eye and control device can accurately be controlled the lengthwise position of plastic products in blocks; Therefore plastic products in blocks can arrive the precalculated position in the punching mechanism in the position exactly; It is die-cut to make that blanking units can carry out on the accurate position of in type plastic products in blocks, obtains satisfactory plastic products unit.

Description of drawings

Fig. 1 is the general structure sketch map of the preferred embodiment of the present invention;

Fig. 2 is the structural representation of shaped device in the preferred embodiment of the present invention;

Fig. 3 is the structural representation of blanking units and finished product collection device in the preferred embodiment of the present invention;

Fig. 4 is the structural representation of blanking units and another state of finished product collection device in the preferred embodiment of the present invention;

Fig. 5 is the A-A cutaway view of Fig. 3;

Fig. 6 is the B-B cutaway view of Fig. 3;

Fig. 7 is the left view (broken section) of photocell eye installing plate among Fig. 3.

The specific embodiment

As shown in Figure 1; This all-in-one machine for vacuum forming, molding and punching comprises frame 1, material draw-gear 2, heater 3, shaped device 4, blanking units 5, finished product collection device 6 and control device; Material draw-gear 2, heater 3, shaped device 4 and blanking units 5 all are located on the frame 1; Shaped device 4 is located at heater 3 rears, and blanking units 5 is located at shaped device 4 rears; The place ahead of heater 3 is provided with unreeling structure 7, and the rear of blanking units 5 is provided with clout rolling-up mechanism 8.

Material draw-gear 2 is made up of many groups feeding roller, comprises one group of feed roller group 21, the profiled section feeding roller group 22 of being located at shaped device 4 rear ends of being located at heater 3 front ends, die-cut section three roller groups such as feeding roller group 23 being located at blanking units 5 rear ends.Feed roller group 21, profiled section feeding roller group 22 and die-cut section feeding roller group 23 all are provided with at least one drive roll; Drive roll is driven by servomotor; The drive roll of these three roller groups can adopt same servomotor to drive, and also can adopt a servomotor to drive respectively.

Heater 3 comprises heating plate 31 and following heating plate 32, and last heating plate 31 is installed on the frame 1 with following heating plate 32, leaves the gap that supplies plastic sheet 10 to pass through between last heating plate 31 and the following heating plate 32.

As shown in Figure 2, shaped device 4 comprises patrix platform 42, counterdie platform 43, folding mould controlling organization and drawing mechanism.

Mould 44 is installed on the patrix platform 42, and mould 44 has shaping mold cavity 45 and outlet passageway 46, and outlet passageway 46 1 ends are communicated with shaping mold cavity 45, the other end is communicated with vacuum extractor; Counterdie platform 43 is provided with and mould 44 corresponding binder rings 47, and the shape of binder ring 47 and size and shaping mold cavity wall 48 are complementary, and the cavity 49 of binder ring 47 is communicated with blowning installation.Mould 44 be provided be used on the upper surface of plastic sheet 10 moulding be in the light projection 11 lower concave part (figure do not draw lower concave part) and can make the shaping groove (shaping groove does not draw among the figure) that forms on the lower surface of plastic sheet 10 with location nail 515 corresponding grooves.

Folding mould controlling organization comprises hydraulic cylinder 410 and following hydraulic cylinder 411; The cylinder body 4101 of last hydraulic cylinder 410 and the cylinder body 4111 of following hydraulic cylinder 411 are installed on the frame 1; The piston rod 4102 of last hydraulic cylinder 410 is connected down and with patrix platform 42, and the piston rod 4112 of following hydraulic cylinder 411 is connected up and with counterdie platform 43.Frame 1 is provided with four guide pillars 412; Patrix platform 42 is provided with four guide pin bushings 413; Counterdie platform 43 is provided with four guide pin bushings 414; Four guide pin bushings 413 on the patrix platform 42 are socketed on four guide pillars 412 correspondingly, and four guide pin bushings 414 on the counterdie platform 43 are socketed on four guide pillars 412 correspondingly.

Outlet passageway 46 is communicated with vacuum extractor through escape pipe 415, and escape pipe 415 is provided with the vacuum valve 416 (vacuum valve 416 is magnetic valve) that is used to control escape pipe 415 conducting/cut-outs; The cavity 49 of binder ring 47 is communicated with blowning installation through gas blow pipe 417, and gas blow pipe 417 is provided with the purge valve 418 (purge valve 418 is magnetic valve) that is used to control gas blow pipe 417 conducting/cut-outs.

Drawing mechanism comprises stretching head 419, stretching head installing plate 420 and draft cylinder 421; Stretching head 419 is installed on the stretching head installing plate 420; Stretching head 419 is located in the cavity 49 of binder ring 47; Stretching head installing plate 420 connects the piston rod 4212 of draft cylinder 421, and the cylinder body 4211 of draft cylinder 421 is installed on the counterdie platform 43.The shape and the article shape of stretching head 419 are similar, and undersized is in goods, stretching head 419 ganoid.

Like Fig. 3-shown in Figure 6; Blanking units 5 comprises punching mechanism; Punching mechanism comprises following punching mould 51, goes up punching mould 52 and last punching mould lift drive mechanism, and following punching mould 51 is installed on the frame 1, and last punching mould 52 is in following punching mould 51 tops and is connected with last punching mould lift drive mechanism.

The guide rail 53 of trend and the photocell eye 54 that can detect the projection 11 that is in the light before and after blanking units 5 also comprises, guide rail 53 is located at punching mechanism the place ahead, and photocell eye 54 is located at punching mechanism the place ahead, and photocell eye 54 is connected with the corresponding input of control device.

Guide rail 53 tops are provided with photocell eye installing plate 55; As shown in Figure 7; The lower surface of photocell eye installing plate 55 is provided with one and can lets on the two side 57 that the strip groove 56 that projection 11 passes through that is in the light, the emission element 541 and the receiving-member 542 of photocell eye 54 be installed in strip groove 56 respectively and aim at each other.

Guide rail 53 tops are provided with the both sides that 58, two holding pads 58 of two holding pads are in guide rail 53 respectively.

Blanking units 5 also comprises the guide rail position governor motion; The guide rail position governor motion comprises holder 59, moves seat 510, adjusting screw(rod) 511, adjusting nut 512 and adjusting handle 513; Holder 59 is fixedly mounted on the frame 1, and adjusting screw(rod) 511 is installed on the holder 59 through bearing 514, and adjusting screw(rod) 511 is parallel to each other with guide rail 53; Adjusting handle 513 is installed in an end of adjusting screw(rod) 511; Adjusting nut 512 and adjusting screw(rod) 511 engagements move seat 510 and are installed on the adjusting nut 512, and guide rail 53 is installed in and moves on the seat 510.

Following punching mould 51 is provided with the plastic products location structure.In the present embodiment, above-mentioned plastic products location structure is four location nails 515 being located at down on punching mould 51 upper surfaces.

Last punching mould lift drive mechanism can adopt existing structure, for example cylinder, hydraulic cylinder, cam mechanism or slider-crank mechanism etc., and wherein cam mechanism and slider-crank mechanism adopt motor that power is provided usually; Punching and shearing device also comprises guiding mechanism, and guiding mechanism can adopt existing structure (for example guide pin bushing and guide pillar cooperatively interact structure).With reference to figure 5, present embodiment adopts motor 516 and assistant cylinder to go up punching mould lift drive mechanism, the up-down of punching mould 52 in the control 517 common compositions; Motor 516 is in transmission connection through slider-crank mechanism and last punching mould 52; The cylinder body of assistant cylinder 517 is installed on the frame 1, and the piston rod of assistant cylinder 517 is connected down and with last punching mould 52; Above-mentioned slider-crank mechanism belongs to this area mechanism commonly used, does not describe in detail at this.

Last punching mould 52 is provided with a plurality of punching form units 519 of going up; Following punching mould is provided with a plurality of punching form units 518 down; Last punching form unit 519 is identical with following punching form unit 518 quantity and corresponding one by one; Go up punching form unit 519 and following punching form unit 518 corresponding plastic products unit for one, but last punching form unit 519 and following punching form unit 518 once punching go out a finished product.Following punching form unit 518 is tubular, and the shape of the cross section inner edge of following punching form unit 518 and size are consistent with the actual plastic products unit outline line that requires; On the gap that location nail 515 is arranged between each time punching form unit 518.The quantity of following punching form unit 518 and last punching form unit 519 is confirmed according to needs of production; When needs once carry out the punching processing to a plurality of plastic products unit; Following punching form unit 518 and last punching form unit 519 also correspondingly are provided with a plurality of; That is to say that last punching form unit 519 is identical with the quantity of the plastic products unit that carries out the punching processing simultaneously with the quantity of following punching form unit 518.

Finished product collection device 6 comprises releasing mechanism and stacks mechanism, stacks mechanism and comprises finished product admittance mechanism and finished product delivery device.

Releasing mechanism comprises disengaging cylinder 62, a plurality of push rod 63, travel(l)ing rest 64 and a plurality of push jack 65; The cylinder body 6211 that breaks away from cylinder 62 is fixedly mounted on the punching mould 52; Push rod 63 is installed in through travel(l)ing rest 64 on the piston rod 6212 that breaks away from cylinder 62, and the end of push rod 63 stretches on punching and shearing device in the punching mould 52 and is connected with push jack 65 in being located at punching mould 52.Push jack 65 can move up and down in punching mould 52, the following punching mould 51 on punching and shearing device under the effect of push rod 63, and the shape of push jack 65 is with size and last punching form unit 519, the shape and the size of punching form unit 518 (following punching form unit 518 is a tubular) are complementary down; Push jack 65 is identical with following punching form unit 518 quantity and corresponding one by one, push jack 65 and correspondingly connection identical with push rod 63 quantity, and all push rods 63 all are connected with travel(l)ing rest 64.

Finished product admits mechanism to comprise the elevating mechanism that finished product admits plate 614 and driving finished product to admit plate 614 to go up and down; Elevating mechanism comprises subordinate's elevating mechanism, lifting platform 612 and higher level's elevating mechanism; Subordinate's elevating mechanism comprises servomotor 68, bearing 69, nut 610 and ball screw 611, and higher level's elevating mechanism comprises lift cylinder 613; The outer ring of bearing 69 is fixed on the frame 1, its axis along the vertical direction, nut 610 is fixedly connected with the inwall of the inner ring of bearing 69 with bearing 69 coaxial settings a, end of nut 610 peripheries; Ball screw 611 be in the screw of nut 610 and with nut 610 engagements, the upper end of ball screw 611 connects lifting platform 612; Servomotor 68 is installed on the frame 1, and servomotor 68 is in transmission connection with the other end of nut 610 peripheries; The cylinder body 61311 of lift cylinder 613 is installed on the lifting platform 612, and the piston rod 61312 of lift cylinder 613 admits plate 614 to be connected up and with finished product.

The finished product delivery device comprises push pedal 615 and flat-removing air cyclinder 616; Push pedal 615 vertically is provided with; The extreme lower position that push pedal 615 can reach when admitting plate 614 to descend with finished product is corresponding; Flat-removing air cyclinder 616 along continuous straight runs settings, its cylinder body 61611 is installed on the frame 1, and its piston rod 61612 is connected with push pedal 615.

The lift cylinder 613 of the disengaging cylinder 62 of releasing mechanism, the flat-removing air cyclinder 616 of finished product delivery device, finished product admittance mechanism and servomotor 68 are electrically connected with counter controller respectively and constitute counting mechanism, and above-mentioned counter controller is located on the frame; Break away from cylinder 62 and be electrically connected with the input of counter controller, the flat-removing air cyclinder 616 of translation mechanism, finished product admit the lift cylinder 613 and the servomotor 68 of mechanism to be electrically connected with the output of counter controller.

Brief description is the operation principle of this shaped device once:

Material draw-gear 2 is delivered to heater 3, shaped device 4 and blanking units 5 successively with the plastic sheet on the unreeling structure 7 10; Heat successively, moulding and punching handle; Form single plastic products (being finished product) after the punching; Finished product is stacked and is counted by finished product collection device 6, and clout remaining after the punching is by 8 rollings of clout rolling-up mechanism.Specifically:

(1) under the drive of feed roller group 21 and profiled section feeding roller group 22, plastic sheet 10 gets into heater 3 and shaped device 4 successively;

When plastic sheet 10 was in the gap between heating plate 31 and the following heating plate 32, plastic sheet 10 was heated to the temperature that is suitable for moulding;

The plastic sheet 10 that has heated subsequently gets into shaped device 4; Shaped device 4 is when being shaped to plastic products in blocks 12 with plastic sheet 10; Make the location on following punching mould 51 upper surfaces that form on the lower surface of plastic products in blocks 12 with blanking units 5 follow closely 515 corresponding grooves; And make and form the projection 11 that is in the light on the upper surface of plastic products in blocks 12, above-mentioned be in the light projection 11 and and location nail 515 corresponding grooves all be on the clout between the plastic products unit;

The concrete course of work of shaped device 4 is: after the plastic sheet through heating arrives shaped device 4; The piston rod 4102 of last hydraulic cylinder 410 stretches out, and patrix platform 42 is descended, simultaneously; The piston rod 4112 of following hydraulic cylinder 411 stretches out; Counterdie platform 43 is risen, thereby make patrix platform 42 and counterdie platform 43 matched moulds, patrix platform 42 clamps with the plastic sheet that counterdie platform 43 will pass through heating; The piston rod 4212 of draft cylinder 421 stretches out subsequently, and stretching head 419 rises in the cavity 49 of binder ring 47, and plastic sheet is carried out prestretched; Then vacuum extractor extracts the gas between plastic sheet and the shaping mold cavity 45; Blowning installation is blown into gas in the cavity 49 of binder ring 47; Utilize negative pressure and malleation to act on simultaneously on the plastic sheet, make plastic sheet fit tightly inwall, accomplish moulding at shaping mold cavity 45.The piston rod 4212 of draft cylinder 421 shrinks subsequently, and stretching head 419 descends in the cavity 49 of binder ring 47; The piston rod 4102 of then going up hydraulic cylinder 410 shrinks, and patrix platform 42 is risen, and simultaneously, the piston rod 4112 of following hydraulic cylinder 411 shrinks, and counterdie platform 43 is descended, thereby make patrix platform 42 and counterdie platform open the plastic products demoulding in blocks in 43 minutes; Then the material draw-gear is sent into shaped device 4 with next section through the plastic sheet of heating, prepares to carry out the moulding of next round.

(2) plastic products 12 in blocks pass through between holding pad 58 and guide rail 53; Under the guiding of guide rail 53 and under the drive of die-cut section feeding roller group 23; Plastic products 12 in blocks get into punching mechanism; Be specially: the strip groove 56 of the projection 11 of being in the light through the lower surface of photocell eye installing plate 55, in the time of between the projection 11 that is in the light is through the emission element 541 of photocell eyes 54 and receiving-member 542, receiving-member 542 does not receive the light of emission element 541 emissions; Be judged to be photocell eye 54 and detect the projection 11 that is in the light this moment; Receiving-member 542 produces the signal of telecommunication to control device, after control device is handled this signal of telecommunication, sends a control signal to corresponding driving device in the material draw-gear (promptly driving the servomotor of die-cut section feeding roller group 23 runnings); Die-cut section feeding roller group 23 sent plastic products in blocks 12 to behind preset distance operation suspension; Plastic products 12 in blocks are transported to the precalculated position in the punching mechanism, and the groove on the lower surface of plastic products 12 in blocks is enclosed within down on the location nail 515 on punching mould 51 upper surfaces, like this; Plastic products 12 in blocks are accurately positioned in down on the punching mould 51, and it is die-cut to make that punching mechanism can carry out on the accurate position of plastic products in blocks 12;

(3) then, under the driving of last punching mould lift drive mechanism, last punching mould 52 descends, and last punching mould 52 and following punching mould 51 matched moulds are accomplished punching, obtain single plastic products; Under the driving of last punching mould lift drive mechanism, last punching mould 52 rises subsequently, and last punching mould 52 was opened with following punching mould in 51 minutes; Then clout withdraws from down punching mould 51 and by 8 rollings of clout rolling-up mechanism, next section plastic products 12 in blocks get into punching mould 51 simultaneously, for punching is next time got ready;

(4) servomotor 68 driver nut 610 are rotated, and ball screw 611 is moved up, and drive lifting platform 612 and move up; Simultaneously; The piston rod 61312 of lift cylinder 613 stretches out, and drives finished product and admits plate 614 to move up, and both cooperate; Up to finished product being admitted plate 614 rise to the position near following punching mould 51 lower surfaces, this moment, finished product collection device 6 can begin to collect finished product;

Last punching mould 52 is with following punching mould 51 matched moulds and after accomplishing punching; The piston rod 6212 that breaks away from cylinder 62 stretches out; Driving push rod 63 moves downward; Push jack 65 on the push rod 63 also moves downward and stretches into down in the punching mould 51, and push jack 65 finished product that comes out of punching gently is pressed in finished product with finished product and admits on the plate 614 from releasing in the punching mould 51 down; Then die sinking, push jack 65 resets, and servomotor 68 driver nut 610 are rotated; Ball screw 611 is moved down, drive lifting platform 612 and move down, make finished product admit plate 614 to move down certain distance; Vacate the space of admitting finished product, prepare to admit the next group finished product; Push jack 65 is released finished product once more in following punching mould 51, and light the pressure is stacked on the finished product before; When the finished product that piles up reaches predetermined quantity, piston rod 61312 withdrawals of lift cylinder 613, driving admittance plate 614 drops to the surperficial same plane with lifting platform 612, in frame 1 bottom extreme lower position; The piston rod 61612 of flat-removing air cyclinder 616 stretches out, and drives push pedal 615 and admits plate 614 to be pushed on the conveyer belt 14 from finished product in stacked individual plastic goods 13; Piston rod 61612 withdrawals of flat-removing air cyclinder 616 are returned to the origin-location with push pedal 615 subsequently; Servomotor 68 is worked with lift cylinder 613 once more simultaneously, admits plate 614 to be raised to down the lower surface of punching mould 51 finished product, so circulates.

The operation principle of above-mentioned counting mechanism is: go up the 52 every up-downs of punching mould once, accomplish a punching, the piston rod 6212 that breaks away from cylinder 62 stretches once; One push jack 65 of releasing mechanism breaks away from a finished product; Number of counter controller meter, and the output control signal is given servomotor 68, servomotor 68 rotations; Driver nut 610 is rotated, and ball screw 611 drives lifting platform 612 and moves down certain distance.When the piston rod that breaks away from cylinder 62 6212 flexible number of times reach in advance setting value of counter controller; Lifting platform 612 drops to frame 1 bottom extreme lower position; Finished product admits the number of the article that whenever build up on the plate 614 identical with the number of times that the stopper rod that breaks away from cylinder alive 62 6212 stretches; At this moment; Counter controller just can be exported a control signal and make lift cylinder 613 work that are connected with its output, and piston rod 61312 withdrawals of lift cylinder 63 admit plate 614 to drop on the same plane of lifting platform 612 finished product; And through another control signal of output behind the suitable time-delay flat-removing air cyclinder 616 of the finished product delivery device that is connected with its output is worked, drive push pedal 615 and admit plate 14 to release and be returned to the origin-location from finished product stacked finished product; Subsequently; The counting zero clearing of counter controller; Send control signal and give servomotor 68 and lift cylinder 613, ball screw 611 promotes lifting platform 612, and lift cylinder 613 promotes finished product and admits plate 614 to rise simultaneously; Admit plate 614 to arrive at down the lower surface of punching mould 51 up to finished product, wait for receiving the next group finished product.

In addition,, adjusting screw(rod) 511 is rotated, thereby adjusting nut 512, mobile seat 510 and guide rail 53 are moved forward or backward, to regulate the position of guide rail 53 through rotating adjusting handle 513.

In other embodiments, in the shaped device, also can on the counterdie platform mould be installed, the patrix platform is provided with and the corresponding binder ring of mould.Folding mould controlling organization can adopt existing other structure, can the patrix platform goes up and down and the counterdie platform is fixedly mounted on the frame, also can the patrix platform be fixedly mounted on the frame and the counterdie platform goes up and down; The device that drives the up-down of patrix platform or counterdie platform also can adopt cylinder or cam mechanism etc.Drawing mechanism also can comprise stretching head, stretch, stretch installing plate and draft cylinder; The stretch upper end connects stretching head; Stretching head is located in the cavity of binder ring, and the stretch upper end connects the stretch installing plate, and the stretch installing plate connects the piston rod of draft cylinder.When binder was located on the patrix platform, the cylinder body of draft cylinder can be installed on the patrix platform, and is fixed under the situation on the frame at the patrix platform, and the cylinder body of draft cylinder also can be installed on the frame.When binder is located on the counterdie platform, be fixed under the situation on the frame at the counterdie platform, the cylinder body of draft cylinder also can be installed on the frame.

Photocell eye can be located at the correct position in punching mechanism the place ahead, as long as can detect the projection that is in the light smoothly.Usually, can on guide rail, be provided for placing the groove or the hole of photocell eye, photocell eye is installed in this groove or the hole; Photocell eye also can be located at the rear end of guide rail, and a side and the position of perhaps being located at guide rail are higher than guide rail, perhaps are located at the top of guide rail.In addition; Also can reflection part and receiving-member be located at the same side of the projection that is in the light; Reflection part emission light is when receiving-member receives the emission element emission and during by the light of the projection reflection of being in the light, is judged to be to detect and is in the light projection and outputs signal to control device.

Above-mentioned plastic products location structure also can be several detents of being located at down on the punching mould upper surface; In this case; The mould of shaped device is provided with the shaping groove that forms on the lower surface that can make plastic sheet with the corresponding projection of detent; Like this; Shaped device makes on the lower surface of plastic sheet to form and the corresponding projection of detent when making plastic sheet be shaped to plastic products in blocks, and projection is on the clout between the plastic products unit usually.When plastic products got into the punching mould in flakes, the projection on its lower surface embedded in the detent, and plastic products in blocks are accurately positioned in down on the punching mould.In addition; Above-mentioned plastic products location structure can be several location nails and several detents of being located at down on the punching mould upper surface; That is to say that certain several position on following punching mould upper surface are provided with the location nail, detent is set in other certain several position.

In other embodiments, finished product admits mechanism only to be provided with second-grade lifting, comprises servomotor 68, bearing 69, nut 610 and ball screw 611 and finished product admittance plate 614, and the outer ring of bearing 69 is fixed on the frame 1, and its axis along the vertical direction; Nut 610 is fixedly connected with the inwall of the inner ring of bearing 69 with bearing 69 coaxial settings a, end of nut 610 peripheries; Ball screw 611 be in the screw of nut 610 and with nut 610 engagements, the upper end of ball screw 611 is connected with finished product admittance plate 614; Servomotor 68 is installed on the frame 1, and servomotor 68 is in transmission connection with the other end of nut 610 peripheries.

In other embodiments, subordinate's elevating mechanism also can (as comprise two chains, chain be vertically installed, and each is connected the both sides of lifting platform with a chain, and servomotor and drive sprocket are in transmission connection through chain-drive mechanism; When servomotor drives the drive sprocket rotation; Chain moves up and down along with moving and drive lifting platform), gear drive (as comprise rack and pinion, vertically install, and tooth bar one end is connected with lifting platform by tooth bar; The rack and pinion engagement, gear and servomotor are in transmission connection; When the servomotor driven gear rotated, tooth bar moved up and down along with moving and drive lifting platform) wait transmission mechanism drive lifting platform to move up and down.Higher level's elevating mechanism also can through chain-drive mechanism (as comprise two chains, chain is vertically installed, finished product admit plate both sides each be connected with a chain, motor and drive sprocket are in transmission connection; When the driven by motor drive sprocket rotates; Chain admits plate to move up and down along with moving and drive finished product), gear drive (as comprise rack and pinion, vertically install, and tooth bar one end is connected with finished product admittance plate by tooth bar; The rack and pinion engagement, gear is connected with drive of motor; When motor driven gear rotated, tooth bar admitted plate to move up and down along with moving and drive finished product) wait transmission mechanism to drive finished product admittance plate to move up and down.Translation mechanism also can adopt motor as power source, and motor can (as comprise two chains, each be connected the both sides of push pedal with a chain, and motor and drive sprocket are in transmission connection through chain-drive mechanism; When the motor drives drive sprocket rotated, chain was along with moving and drive the push pedal translation), (as comprise rack and pinion, tooth bar one end is connected with push pedal gear drive, and rack and pinion meshes, and gear is connected with electric-motor drive; When the motor drives gear rotated, tooth bar was along with moving and drive the push pedal translation) wait transmission mechanism drive push pedal translation.

In other embodiments, ball screw 611 can adopt other threaded rod that cooperates with nut to replace.

Claims (8)

1. all-in-one machine for vacuum forming, molding and punching; Comprise frame, material draw-gear, heater, shaped device, blanking units and control device; Material draw-gear, heater, shaped device and blanking units all are located on the frame; Shaped device is located at the heater rear, and blanking units is located at the shaped device rear; Shaped device comprises patrix platform, counterdie platform and folding mould controlling organization, on patrix platform or the counterdie platform mould is installed; Blanking units comprises punching mechanism; Punching mechanism comprises following punching mould, goes up punching mould and last punching mould lift drive mechanism; Following punching mould is installed on the frame; Last punching mould is in down punching mould top and is connected with last punching mould lift drive mechanism, it is characterized in that: said mould is provided with and is used on plastic sheet moulding the be in the light lug boss or the lower concave part of projection; The guide rail of trend and the photocell eye that can detect the projection that is in the light before and after blanking units also comprises, guide rail is located at punching mechanism the place ahead, and photocell eye is located at punching mechanism the place ahead, and photocell eye is connected with the corresponding input of control device;
Said all-in-one machine for vacuum forming, molding and punching also comprises finished product collection device, and finished product collection device comprises releasing mechanism and stacks mechanism; Stack mechanism and comprise finished product admittance mechanism and finished product delivery device; Finished product admits mechanism to comprise the elevating mechanism that finished product admits plate and driving finished product to admit plate to go up and down; Finished product admits plate to be located at the releasing mechanism below; And finished product admits plate to be positioned at punching mould below down, and elevating mechanism is installed on the frame, and finished product admits plate to be connected with elevating mechanism; The finished product delivery device comprises push pedal and translation mechanism, and push pedal vertically is provided with, and the extreme lower position that the position of push pedal and finished product can reach when admitting plate to descend is corresponding, and push pedal is connected with the outputting power end of translation mechanism, and translation mechanism is installed on the frame;
In the said shaped device, mould has shaping mold cavity and outlet passageway, and outlet passageway one end is communicated with shaping mold cavity, the other end is communicated with vacuum extractor; Counterdie platform or patrix platform are provided with and the corresponding binder ring of mould, and the shape of binder ring and size and shaping mold cavity wall are complementary, and the cavity of binder ring is communicated with blowning installation.
2. all-in-one machine for vacuum forming, molding and punching according to claim 1; It is characterized in that: said guide rail top is provided with a photocell eye installing plate; The lower surface of photocell eye installing plate is provided with one and can lets on the two side that the strip groove that projection passes through that is in the light, the emission element of photocell eye and receiving-member be installed in strip groove respectively and aim at each other.
3. all-in-one machine for vacuum forming, molding and punching according to claim 1; It is characterized in that: said blanking units also comprises the guide rail position governor motion, and the guide rail position governor motion comprises holder, moves seat, adjusting screw(rod), adjusting nut and adjusting handle, and holder is fixedly mounted on the frame; Adjusting screw(rod) is installed on the holder through bearing; Adjusting screw(rod) and guide rail are parallel to each other, and adjusting handle is installed in an end of adjusting screw(rod), adjusting nut and adjusting screw(rod) engagement; Mobile seat is installed on the adjusting nut, and guide rail is installed in and moves on the seat.
4. all-in-one machine for vacuum forming, molding and punching according to claim 1 is characterized in that: said punching mould down is provided with the plastic products location structure; Said plastic products location structure is several location nail and/or several detents of being located at down on the punching mould upper surface; The mould of shaped device be provided with on the lower surface that can make plastic sheet form with the corresponding groove of location nail become sprig or shaping groove, and/or the mould of shaped device is provided with the shaping groove of formation and the corresponding projection of detent on the lower surface that can make plastic sheet or becomes sprig.
5. all-in-one machine for vacuum forming, molding and punching according to claim 1 is characterized in that: said elevating mechanism comprises subordinate's elevating mechanism, lifting platform and higher level's elevating mechanism; Subordinate's elevating mechanism comprises servomotor, bearing, nut and screw rod; Nut is installed on the frame through bearing, the axis of bearing along the vertical direction, nut and coaxial bearing setting; Screw rod be in the screw of nut and with the nut engagement, the upper end of screw rod connects lifting platform; Servomotor is installed on the frame, and an end of servomotor and nut is in transmission connection; Higher level's elevating mechanism comprises lift cylinder, and the cylinder body of lift cylinder is installed on the lifting platform, and the piston rod of lift cylinder admits plate to be connected up and with finished product.
6. all-in-one machine for vacuum forming, molding and punching according to claim 5 is characterized in that: said translation mechanism comprises flat-removing air cyclinder, and the flat-removing air cyclinder along continuous straight runs is provided with, and the cylinder body of flat-removing air cyclinder is installed on the frame, and the piston rod of flat-removing air cyclinder is connected with push pedal.
7. all-in-one machine for vacuum forming, molding and punching according to claim 6 is characterized in that: said releasing mechanism comprises disengaging cylinder, push rod, travel(l)ing rest and push jack, and the cylinder body that breaks away from cylinder is fixedly mounted on punching mould or the frame; Push rod is installed in through travel(l)ing rest on the piston rod that breaks away from cylinder, and the end of push rod stretches in last punching mould and is connected with push jack in being located at the punching mould.
8. all-in-one machine for vacuum forming, molding and punching according to claim 7; It is characterized in that: the lift cylinder of the disengaging cylinder of said releasing mechanism, the flat-removing air cyclinder of finished product delivery device, finished product admittance mechanism and servomotor are electrically connected with a counter controller respectively and constitute a counting mechanism, and counter controller is located on the frame; Break away from cylinder and be electrically connected with the input of counter controller, the flat-removing air cyclinder of translation mechanism, finished product admit the lift cylinder and the servomotor of mechanism to be electrically connected with the output of counter controller.
CN2010101152304A 2010-02-12 2010-02-12 All-in-one machine for vacuum forming, molding and punching CN101774273B (en)

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