CN103552230B

CN103552230B - Multifunctional manipulator for plastic product molding

Info

Publication number: CN103552230B
Application number: CN201310551652.XA
Authority: CN
Inventors: 张礼华; 张萍; 邱建成
Original assignee: Jiangsu University of Science and Technology; Suzhou Tongda Machinery Co Ltd
Current assignee: Jiangsu University of Science and Technology; Suzhou Tongda Machinery Co Ltd
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2015-07-22
Anticipated expiration: 2033-11-08
Also published as: CN103552230A

Abstract

The invention discloses a multifunctional manipulator for plastic product molding, belonging to the technical field of industrial automatic mechanical devices. The multifunctional manipulator comprises a parison supporting and releasing mechanism, a wrist joint mechanism and a wrist joint horizontal displacement driving mechanism, wherein the parison support and releasing mechanism is used for supporting or releasing a parison, the wrist joint mechanism is used for enabling the parison supporting and releasing mechanism to alternately rotate between a parison extrusion station and a parison huffing and molding station and is connected with the parison supporting and releasing mechanism, and the wrist joint horizontal displacement driving mechanism is fixed on a hollow plastic product molding machine in a used state and is also connected with the wrist joint mechanism. The multifunctional manipulator has the advantages that the extracted parison can be immediately introduced into a left half mold and a right half mold and can be immediately returned to the parison extrusion station for parison extraction, so that the operation continuity of the parison extrusion mechanism, a huffing and molding mechanism and a mold opening and closing mechanism can be embodied, and the molding efficiency of a plastic product can be improved; the molding efficiency is high, so that the used amount of equipment can be reduced, the equipment cost can be saved, the working amount of equipment maintenance is alleviated, the labor is saved, and the energy saving is realized.

Description

The multifunction manipulator of plastic product forming

Technical field

The invention belongs to industrial automation mechanical device technical field, be specifically related to a kind of multifunction manipulator of plastic product forming, as the servicing unit of plastic product molding machine, to be transferred to inflation shaping station shaping for inflation shaping mechanism inflation for the parison for being extruded by the parison extrusion mechanism by plastic product molding machine.

Background technology

Along with improving constantly of macromolecular material development level, make the application of plastic products obtain remarkable expansion on the one hand, effectively promote the automaticity of the equipment for the production of plastic products on the other hand.In order to the satisfied high accuracy to plastic products, high-quality and high efficiency production requirement, various auxiliary equipment is widely used in the automated production of plastics machinery.

Known plastic product molding machine is in the process making plastic products, usually by parison extrusion mechanism extruded parisons, parison (also can claim blank) enters the clasp mould mechanism being arranged in and namely corresponding to below parison extrusion mechanism, then shaping by inflation shaping mechanism inflation, after inflation is shaping, clasp mould mechanism die sinking, the left and right mould bases of configuration of making to face each other is scolded out, make the left and right half module phase mutual exclusion be separately positioned on left and right mould bases open, the shaping plastic products of inflation are deviate from from left and right half module simultaneously; Then left and right mould bases closes up in opposite directions, make the closed i.e. matched moulds mutually of the left and right half module on left and right mould bases, while matched moulds, the parison extruded by parison extrusion mechanism is seized on both sides by the arms again in left and right half module, more then shaping by inflation shaping mechanism inflation, so repeat.Aforesaid clasp mould mechanism can see the matched mould locking mechanism of Chinese patent CN2705301Y(plastic hollow formation machine), the big-and-middle-sized hollow plastic mold clamping mechanism of CN201784086U() and CN101031405B(mold closing mechanism), etc.

Be commonly industry by above-mentioned known plastic product molding machine for a long time to the mode of plastic product forming accepted, and do not hear all the time to have and the report of querying is short of to it, but through the careful observation of the applicant and objective analysis and think that this molding mode exists following drawback: one, due in the inflation mechanism process shaping to the preform blowup being arranged in left and right half module, parison extrusion mechanism is in standby i.e. wait state, thus has a strong impact on the shaping efficiency of plastic products; They are two years old, in order to meet capacity requirements, plastic products production firm is made up with the complete machine quantity increasing plastic product molding machine usually, thus cause equipment investment cost to increase, managing and protecting and maintenance load increase simultaneously to equipment, and drop into the increase of manpower quantity, finally cause plastic products to lose cheapness; Its three, because parison extrusion mechanism, inflation shaping mechanism exist standby, be thus unfavorable for save support these mechanisms run energy consumption.

For above-mentioned prior art situation, very there is necessity of improvement, the applicant has done long-term and useful exploration and trial for this reason, finally technical field described below is defined, and carried out simulated test in the laboratory of the applicant plant area taking under secrecy provision, result shockingly shows desirable technique effect.

Summary of the invention

Task of the present invention be to provide a kind of contribute to significantly improving plastic products shaping efficiency, be conducive to reducing hollow plastic product molding machine complete machine input quantity and use to save equipment cost and alleviate and manage and protect with the workload of keeping in repair to equipment and save human input and be of value to remarkable economize energy consumption and use the multifunction manipulator of the plastic product forming embodying the energy-saving economic spirit of economizing type that the current whole society advocates.

Task of the present invention has been come like this, a kind of multifunction manipulator of plastic product forming, comprises one and helps relieving mechanism for the parison helped by parison or discharge; One helps relieving mechanism to extrude between station and preform blowup shaping station alternately pivotal wrist joint mechanism at parison for making described parison, and this wrist joint mechanism and parison help relieving mechanism to be connected; One for ordering about the wrist joint horizontal displacement driving mechanism of described wrist joint mechanism together with the horizontal displacement of described parison support relieving mechanism, and this wrist joint horizontal displacement driving mechanism is fixed in a state of use on hollow plastic product molding machine and with described wrist joint mechanism and is connected.

In a specific embodiment of the present invention, described parison helps relieving mechanism to comprise a left side, right jig arm, a pair left, right adsorbent equipment, left fixing Attraction block, right fixing Attraction block and jig arm closing device, left, right jig arm forms concurrency relation each other, a pair left adsorbent equipment be arranged on left jig arm one end and towards the side of right jig arm, a pair right adsorbent equipment be arranged in the position corresponding to a pair left adsorbent equipment right jig arm one end and towards the side of left jig arm, left fixing Attraction block is fixed on left jig arm towards the side of right jig arm and between described a pair left adsorbent equipment, right fixing Attraction block is fixing Attraction block position corresponding to a described left side is fixed on the side of right jig arm towards left jig arm, and between described a pair right adsorbent equipment, jig arm closing device is arranged on a left side, the other end of left jig arm and right jig arm is positioned between right jig arm, described wrist joint mechanism is connected with jig arm closing device together with described wrist joint horizontal displacement driving mechanism.

In another specific embodiment of the present invention, described a pair left adsorbent equipment respectively comprises left pivotable Attraction block, left negative pressure suction tube and left pivotable Attraction block brake function cylinder, one end of left pivotable Attraction block is articulated and connected in the side of described left jig arm towards described right jig arm, and the other end of left pivotable Attraction block is configured to free end, and be configured with towards the side of right jig arm the left Attraction block air-inlet grille communicated with the left pivotable Attraction block chamber of left pivotable Attraction block at left pivotable Attraction block, one end of left negative pressure suction tube is stretched in left pivotable Attraction block chamber, and the other end of left negative pressure suction tube is connected with depression generator, left pivotable Attraction block brake function cylinder is fixed on the side of left hip lock to right jig arm with horizontal boom state, and the left pivotable Attraction block brake function cylinder post of this left pivotable Attraction block brake function cylinder is being articulated and connected with described left pivotable Attraction block through after left jig arm, the structure of described a pair right adsorbent equipment is identical with described a pair left adsorbent equipment, a described left side is fixed Attraction block and is configured with the left side fixing Attraction block with a left side towards the side of described right jig arm and fixes the left side that Attraction block chamber communicates and fix Attraction block grid, and fix in Attraction block chamber the one end of introducing and having a left fixing Attraction block air intake duct on a left side, and the other end of the fixing Attraction block air intake duct in this left side is connected with depression generator, it is identical that Attraction block is fixed on the described right side structure of fixing Attraction block and a described left side.

In another specific embodiment of the present invention, described jig arm closing device comprises a left side, right sliding panel, first, second guide rod, guide rod seat fixed head, rack tooth roller box, first, second tooth bar and sliding panel folding acting cylinder, left sliding panel is fixed on the other end of described left jig arm, right sliding panel is fixed on the other end of described right jig arm, and it is left, right sliding panel is parallel, first, second guide rod with mutually parallel stateful connection on a left side, between right sliding panel, and one first guide rod seat is fixed with at the middle part of the length direction of the first guide rod, and be fixed with one second guide rod seat at the middle part of the length direction of the second guide rod and in the position corresponding to the first guide rod seat, one end of guide rod seat fixed head and the bottom of the first guide rod seat are fixed, the bottom of the other end and the second guide rod seat is fixed, rack tooth roller box to be fixed on guide rod seat fixed head and to correspond to first, between second guide rod seat, in this rack tooth roller box, pivotable is provided with a tooth bar mate gear, one end of first tooth bar is connected on left sliding panel, the other end to be stretched in rack tooth roller box and to engage with the side of tooth bar mate gear, one end of second tooth bar is connected on right sliding panel, the other end to be stretched in rack tooth roller box and to engage with the opposite side of tooth bar mate gear, sliding panel folding acting cylinder is arranged with horizontally-arranged state, and one end of this sliding panel folding acting cylinder is fixed on guide rod fixed head by folding acting cylinder holder, and the other end is stretched over outside right sliding panel, and the sliding panel folding acting cylinder post of this sliding panel folding acting cylinder is connected with left sliding panel, a left side is made under the work of sliding panel folding acting cylinder, right sliding panel scold out each other motion or move toward one another time, a described left side, right jig arm also scolds out motion or move toward one another simultaneously each other, described wrist joint mechanism to be connected between the first described guide rod seat and the second guide rod seat together with described wrist joint horizontal displacement driving mechanism and to be positioned at first, the top of the second guide rod seat.

In another specific embodiment of the present invention, described wrist joint mechanism comprises terminal pad seat fixed head, terminal pad seat, terminal pad, double threaded screw gyroaxis, rotary gear box, swiveling gear activates tooth bar, driving-belt connecting plate and tooth bar acting cylinder, one end of terminal pad seat fixed head and the top of the first described guide rod seat are fixed, the other end of terminal pad seat fixed head and the top of the second described guide rod seat are fixed, terminal pad seat is fixed on terminal pad seat fixed head towards upper side and is positioned at the middle part of terminal pad seat fixed head, the central authorities of this terminal pad seat are configured with a nut and step down chamber, terminal pad is fixed on terminal pad seat, tooth bar acting cylinder is fixed on the side of driving-belt connecting plate towards rotary gear box with level, swiveling gear activates one end of tooth bar and is fixedly connected with the tooth bar acting cylinder post of tooth bar acting cylinder, the other end is stretched in rotary gear box, and rotary gear box be fixed on driving-belt connecting plate towards under side, single-revolution gear is provided with rotationally in this rotary gear box, this swiveling gear and swiveling gear activate tooth bar and engage, the upper end of double threaded screw gyroaxis is bearing on driving-belt connecting plate rotationally, middle part is connected with described swiveling gear flat key, and the lower end of double threaded screw gyroaxis is fixed on described terminal pad, described wrist joint horizontal displacement driving mechanism is connected on described driving-belt connecting plate.

Also have in a specific embodiment of the present invention, a dead eye is offered on described driving-belt connecting plate and corresponding to the position of described swiveling gear, the upper end of described double threaded screw gyroaxis leans out swiveling gear and is configured with a double end screw-bearing seat, this double threaded screw bearing block is equipped with a bearing, and this bearing matches with described dead eye.

More of the present invention and in a specific embodiment, on described driving-belt connecting plate and towards on side be provided with a pair first roller mount and a pair second roller mount, a pair first roller mount are fixed on one end of driving-belt connecting plate with the state faced each other, and each pivot in aspectant side of these a pair first roller mount is provided with one first roller, a pair second roller mount are fixed on the other end of driving-belt connecting plate with mutual aspectant state, and each pivot in mutual aspectant side of a pair second roller mount is provided with one second roller, wherein: a pair described first rollers and a pair second rollers roll with described wrist joint horizontal displacement driving mechanism and coordinate.

In an of the present invention and then specific embodiment, described wrist joint horizontal displacement driving mechanism comprises crossbearer, motor, reduction box, first, second drive pulley and driving-belt, a roller guide groove is respectively configured with in the side of the length direction of crossbearer and opposite side, first drive pulley is bearing in one end of crossbearer rotationally, second drive pulley is bearing in the other end of crossbearer rotationally, motor coordinates with reduction box transmission, and fixed together with the position and crossbearer that motor is corresponding to the first drive pulley or the second drive pulley by reduction box, the reduction gearbox output shaft of reduction box and the first drive pulley or the second drive pulley are in transmission connection, one end of driving-belt is nested with on the first drive pulley, the other end is nested with on the second drive pulley, and the middle part of driving-belt and described driving-belt connecting plate are fixed, a pair described first rollers and a pair second rollers and described roller guide groove form rolling pair.

Of the present invention again more and in a specific embodiment, the first described drive pulley and the second drive pulley are synchronous pulley, described driving-belt is Timing Belt, and described motor is the servomotor with rotating function.

In an again of the present invention and then specific embodiment, fixture block on a driving-belt is equipped at the middle part of described driving-belt, fixture block is equipped with clamping bar screws on a pair on the belt, on described driving-belt connecting plate and correspond to the position of fixture block on driving-belt be fixed with a driving-belt under fixture block, by clamping bar screws on a pair screws in fixture block under driving-belt, driving-belt is clamped on the belt, between lower fixture block.

The technique effect of technical scheme provided by the invention is: when the present invention is in the process extracted the parison extruded by parison extrusion mechanism, inflation mechanism is in the left side to clasp mould mechanism, the duty that preform blowup in right half module is shaping, and when the parison of extraction is transferred to inflation shaping station from the station of parison extrusion mechanism, because inflation mechanism has completed to a left side, the inflation of the previous parison in right half module is shaping, thus the parison of extraction can be introduced a left side in time, in right half module, and being back to parison in time, to extrude station extraction type bad, thus parison extrusion mechanism can be embodied, the continuity of movement of inflation shaping mechanism and clasp mould mechanism and be improved the shaping efficiency of plastic products, because shaping efficiency is high, thus can reduce equipment investment quantity, save equipment cost, alleviate workload to plant maintenance, save manpower and embody energy-conservation.

Accompanying drawing explanation

Fig. 1 is embodiments of the invention structure chart.

Fig. 2 helps mechanism parison to be in the schematic diagram of support state for parison shown in Fig. 1.

Fig. 3 is application examples schematic diagram of the present invention.

Detailed description of the invention

In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.

Every directionality concept relating to upper and lower, left and right and so on is all for the location status residing for the figure described in the following description, and can not be understood as particular determination of the present invention.

Embodiment:

Refer to Fig. 1 and Fig. 2; give a parison and help relieving mechanism 1; relieving mechanism 1 is helped to help illustrated parison 4 by this parison; and under support state, be transferred to clasp mould mechanism 5(Fig. 3 show); shaping by inflation mechanism inflation, the parison extrusion mechanism 61 of the hollow plastic product molding machine 6 that parison 4 is illustrated by Fig. 3 is extruded.Here the clasp mould mechanism 5 mentioned also can be described as plastic product molding machine structure (as follows).

Above mentioned parison helps the preferred structure of relieving mechanism 1 as follows: comprise left and right jig arm 11,12, a pair left adsorbent equipment 13, a pair right adsorbent equipment 14, left and right fixing Attraction block 15,16 and jig arm closing device 17, left and right jig arm 11,12 forms concurrency relation each other, and the channel-section steel that each preferred use shape of cross section is U-shaped makes.A pair left adsorbent equipment 13 is arranged on one end (front end of shown position state) of left jig arm 11, and towards the side of right jig arm 12, a pair right adsorbent equipment 14 is arranged on one end (front end of shown position state) of right jig arm 12 in the position corresponding to a pair left adsorbent equipment 13, and towards the side of left jig arm 11.Left fixing Attraction block 15 be fixed on left jig arm 11 towards the side of right jig arm 12 and a pair left adsorbent equipment 13 between, right fixing Attraction block 16 is fixed on right jig arm 12 towards the side of left jig arm 11 and between aforesaid a pair right adsorbent equipment 14 in the position corresponding to left fixing Attraction block 15.Jig arm closing device 17 to be arranged between left and right jig arm 11,12 and to be positioned at the other end (rear end of shown position state) of left jig arm 11 and right jig arm 12.

Because the structure of aforesaid a pair right adsorbent equipment 14, mounting means, function and operation principle etc. are identical with a pair left adsorbent equipment 13, and that the structure of Attraction block 16, mounting means are fixed in the aforesaid right side, Attraction block 15 is fixed on function and operation principle etc. and a left side is identical, although thus applicant is only described in detail for a pair left adsorbent equipment 13 and left fixing Attraction block 15 below, the understanding generation puzzlement of Attraction block 16 can't be fixed to a pair right adsorbent equipment 14 and the right side according to the reason of drawing inferences about other cases from one instance.

Above mentioned a pair left adsorbent equipment 13 respectively comprises left pivotable Attraction block 131, left negative pressure suction tube 132 and left pivotable Attraction block brake function cylinder 133, one end of left pivotable Attraction block 131 is articulated and connected in the side of left jig arm 11 towards right jig arm 12 by Attraction block bearing pin 1313, shown in figure, left jig arm 11 is provided with Attraction block axis pin base 111, and on left pivotable Attraction block 131, offer Attraction block pin shaft hole 1314, insert Attraction block bearing pin bore 1111 on Attraction block axis pin base 111 and Attraction block pin shaft hole 1314 successively by Attraction block bearing pin 1313 and one end of left pivotable Attraction block 131 is articulated and connected in left jig arm 11, the other end of left pivotable Attraction block 131 is configured to free end, and be configured with towards the side of right jig arm 12 the left Attraction block air-inlet grille 1312 communicated with the left pivotable Attraction block chamber 1311 of left pivotable Attraction block 131 at left pivotable Attraction block 131, left Attraction block air-inlet grille 1312 is just as the structure of shutter.One end of left negative pressure suction tube 132 is stretched in left pivotable Attraction block chamber 1311, and the other end of left negative pressure suction tube 132 and depression generator such as vavuum pump or similar device are connected.Left pivotable Attraction block brake function cylinder 133 is fixed on the side of left jig arm 11 back to right jig arm 12 with horizontal boom state, and the end of the left pivotable Attraction block brake function cylinder post 1331 of this left pivotable Attraction block brake function cylinder 133 connects bearing pin 13311 by cylinder post and left pivotable Attraction block 131 is articulated and connected.

An above mentioned left side is fixed Attraction block 15 and is configured with the left side fixing Attraction block 15 with a left side towards the side of right jig arm 12 and fixes the left side that Attraction block chamber 151 communicates and fix Attraction block grid 152, and fix in Attraction block chamber 151 one end of introducing and having a left fixing Attraction block air intake duct 153 on a left side, and the other end that Attraction block air intake duct 153 is fixed on this left side with aforesaid depression generator as vavuum pump or similar device are connected.

When illustrated parison 4 enters between left and right jig arm 11,12, left and right jig arm 11,12 move toward one another is made under the work of jig arm closing device 17, until the side of parison 4 is corresponding with the left adsorbent equipment of a pair in left jig arm 11 13 and a left fixing Attraction block 15, the other end of parison 4 is corresponding with the right adsorbent equipment of a pair in right jig arm 12 14 and a right fixing Attraction block 16 simultaneously.Now under the work of aforementioned negative pressure generating means, for a pair left adsorbent equipment 13 and a left fixing Attraction block 15, worked by left pivotable Attraction block brake function cylinder 133, left pivotable Attraction block brake function cylinder post 1331 is stretched outside cylinder body, the free end promoting left pivotable Attraction block 131 reclines to parison 4, being at left pivotable Attraction block air-inlet grille 1312 seemingly contacts under non-contacting state with parison 4, because left negative pressure suction tube 132 is bled to left pivotable Attraction block chamber 1311, thus touch along with outside air makes the surface of parison 4 and left Attraction block air-inlet grille 1312 paste from the introducing of left pivotable Attraction block air-inlet grille 1312, left fixing Attraction block 15, parison 4 also adsorbs by a pair right adsorbent equipment 14 and right fixing Attraction block 16 simultaneously.Owing to being embodied by negative inspiratory pressure the support mode of parison 4, thus parison 4 can not be undermined, such as, surface that is flat and even dirty and parison 4 can not be pressed from both sides.

Preferably, aforesaid left pivotable Attraction block brake function cylinder 133 adopts cylinder, if but select with oil cylinder, so should be considered as equivalent substitution and still belong to technology contents category disclosed by the invention.

Above mentioned jig arm closing device 17 is preferably but not the structure be definitely limited to is as follows: comprise a left side, right sliding panel 171, 172, first, second guide rod 173, 174, guide rod seat fixed head 175, rack tooth roller box 176, first, second tooth bar 177, 178 and sliding panel folding acting cylinder 179, left sliding panel 171 is fixed on the other end (rear end shown in Fig. 1) of aforementioned left jig arm 11 by one group of left sliding panel hold-down screw 1711, and at left sliding panel 171, the side of right sliding panel 172 is provided with one first guide pin bushing 1712 and one second guide pin bushing 1713, right sliding panel 172 is fixed on the other end (rear end shown in Fig. 1) of aforementioned right jig arm 12 by one group of right sliding panel hold-down screw 1721, and at right sliding panel 172, the side of left sliding panel 171 is provided with one the 3rd guide pin bushing 1722 and one the 4th guide pin bushing 1723.As shown in Figure 1, left and right sliding panel 171,172 parallel.First guide rod 173 and the second guide rod 174 with mutually parallel stateful connection between left and right sliding panel 171,172, specifically: one end of the first guide rod 173 is being slidably matched with the first guide pin bushing 1712 through after left sliding panel 171, the other end is being slidably matched with the 3rd guide pin bushing 1722 through after right sliding panel 172, and be respectively provided with one first back-up ring 1732 in one end of the first guide rod 173 and the end of the other end, be fixed with one first guide rod seat 1731 at the middle part of the length direction of the first guide rod 173 first guide rod seat hold-down screw 17311; One end of second guide rod 174 is being slidably matched with the second guide pin bushing 1713 through after left sliding panel 171, the other end is being slidably matched with the 4th guide pin bushing 1723 through after right sliding panel 172, and be respectively provided with one second back-up ring 1742 in one end of the second guide rod 174 and the end of the other end, be fixed with one second guide rod seat 1741 at the middle part of the length direction of the second guide rod 174 second guide rod seat hold-down screw 17411.One end of guide rod seat fixed head 175 and the bottom of the first guide rod seat 1731 are fixed, and the bottom of the other end and the second guide rod seat 1741 is fixed.Rack tooth roller box 176 to be fixed on guide rod seat fixed head 175 and to correspond between first, second guide rod seat 1731,1741, and in this rack tooth roller box 176, pivot arranges and is namely provided with a tooth bar mate gear 1761 rotationally.One end of first tooth bar 177 is being connected on left sliding panel 171 through limiting nut 1771 by the first tooth bar after left sliding panel 171, and the other end of the first tooth bar 177 is stretched in rack tooth roller box 176 and engage with the side of aforementioned rack mate gear 1761.One end of second tooth bar 178 is being connected on right sliding panel 172 through limiting nut 1781 by the second tooth bar after right sliding panel 172, and the other end of the second tooth bar 178 is stretched in rack tooth roller box 176 and engage with the opposite side of tooth bar mate gear 1761.Sliding panel folding acting cylinder 179 is arranged with horizontally-arranged state, one end (i.e. head) of the cylinder body of this sliding panel folding acting cylinder 179 is fixed on aforementioned guide rod fixed head 175 by folding acting cylinder holder 1792, and the other end of cylinder body (i.e. afterbody) is stretched over outside right sliding panel 172 in the position corresponding to the cylinder body resigning hole 1724 be opened on right sliding panel 172, and the sliding panel folding acting cylinder post 1791 of this sliding panel folding acting cylinder 179 is connected with left sliding panel 171.

Applicant it should be noted that: described sliding panel folding acting cylinder 179 also can be turned round 180 ° and arrange, and in this case, sliding panel folding acting cylinder post 1791 is connected with right sliding panel 172.In addition, sliding panel folding acting cylinder 179 uses cylinder in the present embodiment, but also can use oil cylinder, specifically as the description left pivotable Attraction block being caused to an acting cylinder 133.

When sliding panel folding acting cylinder 179 works, such as make sliding panel folding acting cylinder post 1791 to cylinder body intrinsic displacement, driven the direction displacement of left sliding panel 171 sliding panel 172 to the right by sliding panel folding acting cylinder post 1791, and under the synergy matched with tooth bar mate gear 1761 at the first tooth bar 177 and the second tooth bar 178, make the direction displacement of right sliding panel 172 sliding panel 171 left.Because left and right sliding panel 171,172 is connected with aforesaid left and right jig arm 11,12 respectively, therefore left and right sliding panel 171,172 in opposite directions displacement time and closing movement time drive left and right jig arm 11,12 to make corresponding sports, vice versa.

Please see Fig. 1 by emphasis, giving one helps relieving mechanism 1 to extrude the wrist joint mechanism 2 alternately turning round (or claiming alternating movement) between station and preform blowup shaping station (i.e. folding die worker position) at parison for making aforesaid parison, and this wrist joint mechanism 2 and parison help relieving mechanism 1 to be connected.

Above mentioned wrist joint mechanism 2 preferably but not the structure be definitely limited to is as follows: comprise terminal pad seat fixed head 21, terminal pad seat 22, terminal pad 23, double threaded screw gyroaxis 24, rotary gear box 25, swiveling gear activate tooth bar 26, driving-belt connecting plate 27 and tooth bar acting cylinder 28, one end of terminal pad seat fixed head 21 is fixed with the top (top) of the first fixed head screw 211 with aforesaid first guide rod seat 1731, and the other end of terminal pad seat fixed head 21 adopts the second fixed head screw 212 to fix with the top (top) of aforesaid second guide rod seat 1741.Terminal pad seat 22 is fixed towards upper side by terminal pad seat hold-down screw 222 and terminal pad seat fixed head 21, and is positioned at the middle position of the length direction of terminal pad seat fixed head 21, is configured with a nut steps down chamber 221 in the central authorities of this terminal pad seat 22.Terminal pad 23 is fixed by one group of terminal pad screw 231 and the flange screw hole 2231 be formed on the adapting flange 223 on terminal pad seat 22 top.Tooth bar acting cylinder 28 by tooth bar acting cylinder seat 281 with the horizontally-arranged state of level be fixed on driving-belt connecting plate 27 towards under side (namely towards the side of rotary gear box 25), swiveling gear activates one end of tooth bar 26 and is fixedly connected with the tooth bar acting cylinder post of tooth bar acting cylinder 28, also swiveling gear can be activated tooth bar 26 is directly formed on the tooth bar acting cylinder post of tooth bar acting cylinder 28, that is swiveling gear is activated tooth bar 26 and merge into parts with tooth bar acting cylinder post, the other end that swiveling gear activates tooth bar 26 is stretched in rotary gear box 25, and rotary gear box 25 with one group of gear-box hold-down screw 252 be fixed on driving-belt connecting plate 27 towards under side, single-revolution gear 251 is provided with rotationally in this rotary gear box 25, this swiveling gear 251 and swiveling gear activate tooth bar 26 and engage.The upper end of double threaded screw gyroaxis 24 is bearing on driving-belt connecting plate 27 rotationally, middle part is connected with swiveling gear 251 flat key, and the lower end of double threaded screw gyroaxis 24 is fixed on terminal pad 23 by lock nut 242, this lock nut 242 corresponds to aforesaid nut and to step down chamber 221.

As shown in Figure 1, a dead eye 271 is offered on aforesaid driving-belt connecting plate 27 and corresponding to the middle position of aforementioned swiveling gear 251, and the upper end of aforementioned double threaded screw gyroaxis 24 leans out the centre bore 2511 of swiveling gear 251, and be configured with a double end screw-bearing seat 241, this double threaded screw bearing block 241 is equipped a bearing 2411, this bearing 2411 matches with aforesaid dead eye 271, namely be arranged in dead eye 271, nut 2412 pairs of bearings 2411 are limited spacing by the bearing screwed on the double threaded screw bearing block 241 of double threaded screw gyroaxis 24.Be configured with a flat key 243 at the middle part of double threaded screw gyroaxis 24 and corresponding to the position in aforesaid central hole 2511, this flat key 243 coordinates with flat key groove 25111 key on the hole wall being opened in centre bore 2511.

On aforesaid driving-belt connecting plate 27 and towards on side be provided with a pair first roller mount 272 and a pair second roller mount 273, a pair first roller mount 272 are fixed on one end of driving-belt connecting plate 27 with the first roller mount screw 2722 with the state faced each other, and each pivot in aspectant side of these a pair first roller mount 272 is provided with one first roller 2721.A pair second roller mount 273 are fixed on the other end of driving-belt connecting plate 27 with the second roller mount screw 2732 with mutual aspectant state, and each pivot in aspectant side of these a pair second roller mount 273 is provided with one second roller 2731, wherein: a pair first rollers 2721 and a pair second rollers 2731 all roll with the wrist joint horizontal displacement driving mechanism 3 that will describe and coordinate below.

Aforesaid tooth bar acting cylinder 28 is selected in the present embodiment with cylinder, but does not refuse to use oil cylinder, specifically as the explanation to left pivotable Attraction block brake function cylinder 133.When tooth bar acting cylinder 28 works, such as, when tooth bar acting cylinder post stretches outside cylinder body, move swiveling gear by tooth bar acting cylinder cornice and activate tooth bar 26, be meshed with swiveling gear 251 because this swiveling gear activates tooth bar 26, thus activating tooth bar 26 by this swiveling gear makes swiveling gear 251 rotate, again because double threaded screw gyroaxis 24 is connected (flat key 243 coordinates with flat key groove 25111) with swiveling gear 251 key, thus double threaded screw gyroaxis 24 is driven to rotate by swiveling gear 251, also because double threaded screw gyroaxis 24 is fixedly connected with terminal pad 23 by lock nut 242, thus twin-screw gyroaxis 24 drives terminal pad 23 to rotate, and then to be fixedly connected with terminal pad seat 22 and terminal pad seat 22 is fixedly connected with terminal pad seat fixed head 21 and terminal pad seat fixed head 21 helps first of the jig arm closing device 17 of relieving mechanism 1 with parison due to terminal pad 23, second guide rod 173, on 174 first, second guide rod seat 1731, 1741 are fixedly connected with, therefore terminal pad seat 22 is driven to turn round by terminal pad 23, terminal pad seat fixed head 21 is driven to turn round by terminal pad seat 22, finally jig arm closing device 17 is driven to turn round by terminal pad seat fixed head 21 by the first guide rod seat 1731 and the second guide rod seat 1741, whole parison is made to help relieving mechanism 1 to turn round.When tooth bar acting cylinder 28 reverse operation; such as, when its tooth bar acting cylinder post is to cylinder body intrinsic displacement; so the rotation direction of above-mentioned parts is contrary; thus making parison help relieving mechanism 1 alternating movement between two stations, the parison that two said here stations are aforesaid parison extrusion mechanism 61 extrudes alternating movement between the station of station and clasp mould mechanism 5 and plastic product forming station (also i.e. inflation shaping station).

Please still see Fig. 1, give for ordering about the wrist joint horizontal displacement driving mechanism 3 of aforesaid wrist joint mechanism 2 together with the horizontal displacement of parison support relieving mechanism 1, this wrist joint horizontal displacement driving mechanism 3 is fixed on hollow plastic product molding machine 6 in a state of use, and is connected with wrist joint mechanism 2.

Aforesaid wrist joint horizontal displacement driving mechanism 3 preferably but not the structure be definitely limited to is as follows: comprise crossbearer 31, motor 32, reduction box 33, first, second drive pulley 34, 35 and driving-belt 36, a roller guide groove 311 is respectively configured with in the side of the length direction of crossbearer 31 and opposite side, first drive pulley 34 is bearing in one end (left end of shown position) of crossbearer 31 rotationally by the first belt wheel axle bed 341, second drive pulley 35 is bearing in the other end (right-hand member of shown position) of crossbearer 31 rotationally by the second belt wheel axle bed 351, motor 32 coordinates with reduction box 33 transmission, and fixed together with the position and crossbearer 31 that motor 32 is corresponding to the second drive pulley 35 by reduction box 33, the reduction gearbox output shaft of reduction box 33 and the first drive pulley 34 or the second drive pulley 35 are in transmission connection, one end of driving-belt 36 is nested with on the first drive pulley 34, the other end is nested with on the second drive pulley 35, and the middle part of driving-belt 36 and aforesaid driving-belt connecting plate 27 are fixed, aforesaid a pair first rollers 2721 and a pair second rollers 2731 form rolling pair with described roller guide groove 311.Aforesaid reduction box 33 also can transfer to the left end of crossbearer 31 together with motor 32, namely fix in the position and crossbearer 31 that correspond to the first drive pulley 34, and be in transmission connection with the first drive pulley 34.

Preferably, the first drive pulley 34 and the second drive pulley 35 are synchronous pulley, and aforesaid driving-belt 36 is Timing Belt, and aforesaid motor 32 is for having the servomotor of rotating function.

As shown in Figure 1, fixture block 361 on a driving-belt is equipped at the middle part of aforementioned drive band 36, fixture block 361 is equipped with clamping bar screws 3611 on a pair on the belt, on aforesaid driving-belt connecting plate 27 and correspond to the position of fixture block 361 on driving-belt be fixed with a driving-belt under fixture block 274, by clamping bar screws 3611 on a pair screws in fixture block 274 under driving-belt, driving-belt 36 is clamped on the belt, between lower fixture block 361,274.

In order to avoid producing interference effect to driving-belt 36, be thus configured with driving-belt slot to make way 312 in the bottom of the length direction of crossbearer 31.

When motor 32 works, such as, when motor 32 rotates forward and namely works clockwise, reduction box 33 is driven by motor 32, the second drive pulley 35 is driven by reduction box 33, driving-belt 36 is driven by the second drive pulley 35, thus make driving-belt 36 in the crossbearer chamber 313 of crossbearer 31 around the motion of first, second drive pulley 34,35, and drive driving-belt connecting plate 27 displacement to the right by driving-belt 36.When motor 32 reverses and namely works counterclockwise, the so aforesaid direction of motion is contrary, and driving-belt connecting plate 27, to left dislocation, makes wrist joint mechanism 2 help relieving mechanism 1 or alternating movement left to the right together with parison therefrom.

Application examples:

Refer to Fig. 3 and composition graphs 1 and Fig. 2; on above mentioned crossbearer 31 and towards on side be fixed with a pair (being not limited to a pair) frame holder 314(Fig. 1 and Fig. 3 and show); this pair of frame holder 314 is fixed (Fig. 3 shows) with the frame of above mentioned hollow plastic product molding machine 6; and namely the side being positioned at frame is positioned at the right side of state shown in Fig. 3, also show clasp mould mechanism 5 in figure 3.When parison extrusion mechanism 61 extruded parisons 4 of hollow plastic product molding machine 6, because parison of the present invention helps relieving mechanism 1 to correspond to the below of parison extrusion mechanism 61, so, the parison 4 that parison extrusion mechanism 61 is extruded enters a left side, right jig arm 11, between 12, when the length of parison 4 reaches technological requirement, a left side is made by the work of jig arm closing device 17, right jig arm 11, 12 move toward one another, and then a pair left adsorbent equipment 13, a pair right adsorbent equipment 14, left fixing Attraction block 15 and the right side are fixed Attraction block 16 and are worked simultaneously and held by parison 4, specifically can help the description of relieving mechanism 1 to parison above see applicant.In this process, clasp mould mechanism 5 is in the parison 4 previously introduced just by the shaping state of inflation shaping mechanism inflation.Then wrist joint mechanism 2 works; parison is made to help relieving mechanism 1 to extrude from parison the station place that station returns back to clasp mould mechanism 5 by applicant to the description of the course of work of wrist joint mechanism 2 above; wrist joint Shui Jia displacement drive mechanism 3 is in running order simultaneously; wrist joint mechanism 2 is made to help relieving mechanism 1 from the left end end movement to the right of crossbearer 31 together with parison, specifically by solid line and the dotted line signal of Fig. 3.When being arrived the station of clasp mould mechanism 5 by the parison 4 of seizing on both sides by the arms between left and right jig arm 11,12; die opening state is in because clasp mould mechanism 5 has completed the shaping of previous parison 4; next parison 4 is incorporated between the left and right half module of clasp mould mechanism 5; now; aforesaid left and right adsorbent equipment 13,14, left and right fixing Attraction block 15,16 quits work; i.e. depression generator break-off; and under the work of jig arm closing device 17; left and right jig arm 11,12 is scolded out, thus parison 4 is released into clasp mould mechanism 5.Now parison extrusion mechanism 61 is in and is tending towards extruding complete state by next parison 4, and in this state, make due to the reverse operation of wrist joint horizontal displacement driving mechanism 3 and wrist joint mechanism 2 parison help relieving mechanism 1 to turn back to parison and extrude station place, make left and right jig arm 11,12 move toward one another by the work of jig arm closing device 17, and aforesaid a pair left and right adsorbent equipment 13,14, left and right fixing Attraction block 15,16 again enters duty and seized on both sides by the arms by parison 4.The high efficiency production embodied hollow plastic product so repeatedly, because be configured on hollow plastic product molding machine 6 due to the present invention, the working time thus efficiently utilizing parison extrusion mechanism 61 and clasp mould mechanism 5 is poor.In addition; if be respectively equipped with a multifunction manipulator of the present invention in the both sides of the frame of hollow plastic product molding machine 6; and improve the type bad extruded velocity of parison extrusion mechanism 61 and be equipped with a clasp mould mechanism 5 again in the left side of hollow plastic product molding machine 6, so and then can increase work efficiency.

In sum, technical scheme provided by the invention overcomes the shortcoming in prior art, completes invention task, objective embody applicant above describe technique effect.

Claims

1. a multifunction manipulator for plastic product forming, is characterized in that comprising one helps relieving mechanism (1) for the parison helped by parison or discharge, one helps relieving mechanism (1) to extrude between station and preform blowup shaping station alternately pivotal wrist joint mechanism (2) at parison for making described parison, and this wrist joint mechanism (2) and parison help relieving mechanism (1) to be connected, one for ordering about the wrist joint horizontal displacement driving mechanism (3) of described wrist joint mechanism (2) together with described parison support relieving mechanism (1) horizontal displacement, this wrist joint horizontal displacement driving mechanism (3) is fixed in a state of use on hollow plastic product molding machine and with described wrist joint mechanism (2) and is connected, described parison helps relieving mechanism (1) to comprise a left side, right jig arm (11, 12), a pair left, right adsorbent equipment (13, 14), left fixing Attraction block (15), right fixing Attraction block (16) and jig arm closing device (17), left, right jig arm (11, 12) concurrency relation is formed each other, a pair left adsorbent equipment (13) be arranged on left jig arm (11) one end and towards the side of right jig arm (12), a pair right adsorbent equipment (14) be arranged in the position corresponding to a pair left adsorbent equipment (13) right jig arm (12) one end and towards the side of left jig arm (11), left fixing Attraction block (15) is fixed on left jig arm (11) and is positioned between a pair described left adsorbent equipment (13) towards the side of right jig arm (12), right fixing Attraction block (16) is fixing Attraction block (15) position corresponding to a described left side is fixed on the side of right jig arm (12) towards left jig arm (11), and be positioned between a pair described right adsorbent equipment (14), jig arm closing device (17) is arranged on a left side, right jig arm (11, 12) other end of left jig arm (11) and right jig arm (12) is positioned between, described wrist joint mechanism (2) is connected with jig arm closing device (17) together with described wrist joint horizontal displacement driving mechanism (3), described a pair left adsorbent equipment (13) respectively comprises left pivotable Attraction block (131), left negative pressure suction tube (132) and left pivotable Attraction block brake function cylinder (133), one end of left pivotable Attraction block (131) is articulated and connected in the side of described left jig arm (11) towards described right jig arm (12), and the other end of left pivotable Attraction block (131) is configured to free end, and be configured with towards the side of right jig arm (12) the left Attraction block air-inlet grille (1312) communicated with the left pivotable Attraction block chamber (1311) of left pivotable Attraction block (131) left pivotable Attraction block (131), one end of left negative pressure suction tube (132) is stretched in left pivotable Attraction block chamber (1311), and the other end of left negative pressure suction tube (132) is connected with depression generator, left pivotable Attraction block brake function cylinder (133) is fixed on the side of left jig arm (11) back to right jig arm (12) with horizontal boom state, and left pivotable Attraction block brake function cylinder post (1331) of this left pivotable Attraction block brake function cylinder (133) is being articulated and connected with described left pivotable Attraction block (131) afterwards through left jig arm (11), the structure of described a pair right adsorbent equipment (14) is identical with described a pair left adsorbent equipment (13), a described left side is fixed Attraction block (15) and is configured with the left side fixing Attraction block (15) with a left side towards the side of described right jig arm (12) and fixes the left side that Attraction block chamber (151) communicates and fix Attraction block grid (152), and fix in Attraction block chamber (151) one end of introducing and having a left fixing Attraction block air intake duct (153) on a left side, and the other end of the fixing Attraction block air intake duct (153) in this left side is connected with depression generator, it is identical that Attraction block (15) is fixed on the described right side structure of fixing Attraction block (16) and a described left side.

2. the multifunction manipulator of plastic product forming according to claim 1, it is characterized in that described jig arm closing device (17) comprises a left side, right sliding panel (171, 172), first, second guide rod (173, 174), guide rod seat fixed head (175), rack tooth roller box (176), first, second tooth bar (177, 178) and sliding panel folding acting cylinder (179), left sliding panel (171) is fixed on the other end of described left jig arm (11), right sliding panel (172) is fixed on the other end of described right jig arm (12), and it is left, right sliding panel (171, 172) parallel, first, second guide rod (173, 174) with mutually parallel stateful connection on a left side, right sliding panel (171, 172) between, and one first guide rod seat (1731) is fixed with at the middle part of the length direction of the first guide rod (173), and be fixed with one second guide rod seat (1741) at the middle part of the length direction of the second guide rod (174) and in the position corresponding to the first guide rod seat (1731), one end of guide rod seat fixed head (175) and the bottom of the first guide rod seat (1731) are fixed, the bottom of the other end and the second guide rod seat (1741) is fixed, rack tooth roller box (176) is fixed on guide rod seat fixed head (175) and goes up and correspond to first, second guide rod seat (1731, 1741) between, in this rack tooth roller box (176), pivotable is provided with a tooth bar mate gear (1761), one end of first tooth bar (177) is connected on left sliding panel (171), the other end to be stretched in rack tooth roller box (176) and to engage with the side of tooth bar mate gear (1761), one end of second tooth bar (178) is connected on right sliding panel (172), the other end to be stretched in rack tooth roller box (176) and to engage with the opposite side of tooth bar mate gear (1761), sliding panel folding acting cylinder (179) is arranged with horizontally-arranged state, and one end of this sliding panel folding acting cylinder (179) is fixed on guide rod fixed head (175) by folding acting cylinder holder (1792), and the other end is stretched at right sliding panel (172) outward, and sliding panel folding acting cylinder post (1791) of this sliding panel folding acting cylinder (179) is connected with left sliding panel (171), a left side is made under the work of sliding panel folding acting cylinder (179), right sliding panel (171, 172) when scolding out motion or move toward one another each other, a described left side, right jig arm (11, 12) also scold out motion or move toward one another each other simultaneously, described wrist joint mechanism (2) to be connected between described the first guide rod seat (1731) and the second guide rod seat (1741) together with described wrist joint horizontal displacement driving mechanism (3) and to be positioned at first, second guide rod seat (1731, 1741) top.

3. the multifunction manipulator of plastic product forming according to claim 2, it is characterized in that described wrist joint mechanism (2) comprises terminal pad seat fixed head (21), terminal pad seat (22), terminal pad (23), double threaded screw gyroaxis (24), rotary gear box (25), swiveling gear activates tooth bar (26), driving-belt connecting plate (27) and tooth bar acting cylinder (28), one end of terminal pad seat fixed head (21) and the top of described the first guide rod seat (1731) are fixed, the other end of terminal pad seat fixed head (21) and the top of described the second guide rod seat (1741) are fixed, terminal pad seat (22) is fixed on terminal pad seat fixed head (21) towards upper side and is positioned at the middle part of terminal pad seat fixed head (21), the central authorities of this terminal pad seat (22) are configured with a nut and step down chamber (221), terminal pad (23) is fixed on terminal pad seat (22), tooth bar acting cylinder (28) is fixed on the side of driving-belt connecting plate (27) towards rotary gear box (25) with level, one end that swiveling gear activates tooth bar (26) is fixedly connected with the tooth bar acting cylinder post of tooth bar acting cylinder (28), the other end is stretched in rotary gear box (25), and rotary gear box (25) be fixed on driving-belt connecting plate (27) towards under side, single-revolution gear (251) is provided with rotationally in this rotary gear box (25), this swiveling gear (251) and swiveling gear activate tooth bar (26) and engage, the upper end of double threaded screw gyroaxis (24) is bearing on driving-belt connecting plate (27) rotationally, middle part is connected with described swiveling gear (251) flat key, and the lower end of double threaded screw gyroaxis (24) is fixed on described terminal pad (23), described wrist joint horizontal displacement driving mechanism (3) is connected on described driving-belt connecting plate (27).

4. the multifunction manipulator of plastic product forming according to claim 3, it is characterized in that going up at described driving-belt connecting plate (27) and offering a dead eye (271) in the position corresponding to described swiveling gear (251), the upper end of described double threaded screw gyroaxis (24) leans out swiveling gear (251) and is configured with a double end screw-bearing seat (241), this double threaded screw bearing block (241) is equipped with a bearing (2411), and this bearing (2411) matches with described dead eye (271).

5. the multifunction manipulator of plastic product forming according to claim 3, it is characterized in that going up described driving-belt connecting plate (27) and being provided with a pair first roller mount (272) and a pair second roller mount (273) towards upper side, a pair first roller mount (272) are fixed on one end of driving-belt connecting plate (27) with the state faced each other, and each pivot in aspectant side of these a pair first roller mount (272) is provided with one first roller (2721), a pair second roller mount (273) are fixed on the other end of driving-belt connecting plate (27) with mutual aspectant state, and each pivot in mutual aspectant side of a pair second roller mount (273) is provided with one second roller (2731), wherein: a pair described first rollers (2721) and a pair second rollers (2731) are rolled with described wrist joint horizontal displacement driving mechanism (3) and coordinated.

6. the multifunction manipulator of plastic product forming according to claim 3, it is characterized in that described wrist joint horizontal displacement driving mechanism (3) comprises crossbearer (31), motor (32), reduction box (33), first, second drive pulley (34, 35) and driving-belt (36), a roller guide groove (311) is respectively configured with in the side of the length direction of crossbearer (31) and opposite side, first drive pulley (34) is bearing in one end of crossbearer (31) rotationally, second drive pulley (35) is bearing in the other end of crossbearer (31) rotationally, motor (32) coordinates with reduction box (33) transmission, and fixed together with the position and crossbearer (31) that motor (32) is corresponding to the first drive pulley (34) or the second drive pulley (35) by reduction box (33), the reduction gearbox output shaft of reduction box (33) and the first drive pulley (34) or the second drive pulley (35) are in transmission connection, one end of driving-belt (36) is nested with on the first drive pulley (34), the other end is nested with on the second drive pulley (35), and the middle part of driving-belt (36) and described driving-belt connecting plate (27) are fixed, a pair described first rollers (2721) and a pair second rollers (2731) form rolling pair with described roller guide groove (311).

7. the multifunction manipulator of plastic product forming according to claim 6, it is characterized in that described the first drive pulley (34) and the second drive pulley (35) are synchronous pulley, described driving-belt (36) is Timing Belt, and described motor (32) is for having the servomotor of rotating function.

8. the multifunction manipulator of plastic product forming according to claim 6, it is characterized in that being equipped with fixture block (361) on a driving-belt at the middle part of described driving-belt (36), on the belt fixture block (361) is equipped with clamping bar screws on a pair (3611), fixture block (274) on described driving-belt connecting plate (27) and under the position corresponding to fixture block (361) on driving-belt is being fixed with a driving-belt, by clamping bar screws (3611) on a pair screws in fixture block (274) under driving-belt, driving-belt (36) is clamped on the belt, lower fixture block (361, 274) between.