CN103587109B - The clamping apparatus of hollow plastic product molding machine - Google Patents
The clamping apparatus of hollow plastic product molding machine Download PDFInfo
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- CN103587109B CN103587109B CN201310545887.8A CN201310545887A CN103587109B CN 103587109 B CN103587109 B CN 103587109B CN 201310545887 A CN201310545887 A CN 201310545887A CN 103587109 B CN103587109 B CN 103587109B
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Abstract
A clamping apparatus for hollow plastic product molding machine, belongs to plastic molding machine technical field.Hollow plastic product molding machine comprises a left side, right mould bases, clamping apparatus comprises locked mode acting cylinder and lock pin locking mechanism, feature: connect lock pin at the end of locked mode acting cylinder post, lock pin forms sealed groove and lock pin head towards one end of lock pin locking mechanism, lock pin locking mechanism comprises sealed cylindrical shell, locking cover, locking cover drives acting cylinder and a pair half-conical cutting ferrule, at barrel, a pair guide pad is set towards the side of sealed cylinder chamber, a guide pad is slidably matched with the gathering sill that wherein half coni card puts, gathering sill on another guide pad and another half-conical cutting ferrule is slidably matched, described sealed groove matches with described sealed chamber, described lock pin head matches with described lock pin head cavity.Guarantee that left and right half modular ideal closes; Ensure result of use lastingly and reliably, life-extending; Save power consumption.
Description
Technical field
The invention belongs to plastic molding machine technical field, be specifically related to a kind of clamping apparatus of hollow plastic product molding machine.
Background technology
As the industry's knowledge of the reason; hollow plastic product molding machine comprises support, it is that mould bases mobile device on support and mould bases mobile device are in transmission connection to be located at and close up each other under the work of mould bases mobile device or left and right mould bases that phase mutual exclusion is opened and the mold closing mechanism that is arranged between left and right mould bases; one of them half module in a pair half module of blown plastic goods is arranged on left mould bases; and another half module is arranged on right mould bases, left and right mould corresponds to each other.When matched moulds, first worked by mould bases mobile device, left and right mould bases is closed up each other, is closed up together with a pair half module by left and right mould bases, worked by clamping apparatus after a pair half module closes up, make a pair half module locking.That is, the joint surface of a pair half module is made to be in sufficient closure state, shaping to the molten plastics inflation of the die cavity being positioned at a pair half module by the huffing device (the industry custom claims blow needle device) of hollow plastic product molding machine in this condition, the shaping rear clamping apparatus of inflation unlocks, and the direction displacement making left and right mould bases contrary towards each other by mould bases mobile device, because a pair half module is arranged on left and right mould bases, therefore a pair half module in company with left and right mould bases towards each other with direction displacement, the article removal that inflation is shaping.
As shown in the above description, hollow plastic product molding machine needs jointly to be coordinated by mould bases mobile device and clamping apparatus, just can complete the blowing to hollow plastic product, hollow plastic product is if the various containers being mainly used in logistic industry turnover goods or claiming the pallet of stacking goods and have a cavity volume with separate space are as code racking of drum with variously add human relations bucket etc.
The quality of the locked mode effect of clamping apparatus can have an impact to the quality of said hollow plastic products, such as, if the joint surface of a pair half module (land area) can not reliably close, so when huffing device inflation, the plastics (custom claims material) of melting can release from the gap of joint surface, hollow plastic product leaves overlap, and the quality and even cause having a strong impact on product is scrapped.
Technical information about clamping apparatus is no lack of and is seen in published Chinese patent literature; the achievement part of " matched mould locking mechanism of hollow plastic molding press " that application for a patent for invention publication number CN101502999A recommends is the matched mould locking mechanism that compensate for CN2705301Y(plastic hollow formation machine), CN2376374Y(is without pull bar clasp mould mechanism) and CN2505275Y(pair pull formula clamping) logical fraud, specifically can walk to the 2nd page of the 23rd row for the 1st page the 5th see the description of CN101502999A and Instructions Page 3 10-14 capable.
" magnetic mold closing device of hollow plastic product molding machine " (this patent is proposed by the applicant) that Chinese invention patent Authorization Notice No. CN101890805B provides eliminates 3 technology shortcomings of aforementioned CN101502999A, specifically can see the description of this CN101890805B the 0004th hurdle and 0017 hurdle.But this CN101890805B still exists 5 technical schemes being short of " clamping apparatus of hollow plastic product molding machine " (this patent is proposed by the applicant) provided by application for a patent for invention publication No. CN102848558A to be overcome, specifically can see the 0006th section, the description of this patent application and the 0009th section and the 0019th section.But still there is following shortcoming in this CN102848558A: one, because locked mode acting cylinder Zhu Qinqu mechanism is made up of a pair acting cylinder (patent application deserves to be called acting cylinder and lower acting cylinder) and the upper engagement fixture block be connected with the acting cylinder post of a pair acting cylinder respectively and lower engagement fixture block etc., and upper, the side faced each other of lower engagement fixture block is respectively configured with semicircular ring tooth, to engage with the cylinder post on the locked mode acting cylinder post of locked mode acting cylinder by semicircular ring tooth and by a left side, half module on right mould bases is in the matched moulds state of expectation, thus overall structure is comparatively complicated, give to manufacture and cause trouble with assembling, they are two years old, because semicircular ring tooth and cylinder post engaging tooth there will be wear phenomenon after perseveration, thus be difficult to maintain lasting fiting effect, because once there are wearing and tearing in semicircular ring tooth and/or cylinder post engaging tooth, the gap of tooth just increases gradually, locked mode effect weakens gradually, the final quality affecting hollow plastic product, on hollow plastic product, such as leave visible spue line or overlap impressively, unless changed aforesaid upper and lower engagement fixture block and locked mode acting cylinder in time, but change these parts and affect production efficiency on the one hand, increase use cost on the other hand, its three, due to needs outfit three oil cylinders or cylinder, thus not only increase and difficulty managed and protected to equipment, and be unfavorable for economize energy consumption.
In view of above-mentioned prior art, still have necessity of improvement, for this reason, the applicant has done positive and useful design, and carry out simulated test in the applicant plant area taking under strict secrecy provision, result proves practicable, and technical scheme described below produces under this background.
Summary of the invention
Task of the present invention be to provide a kind of contribute to becoming engagement system into Tenon fit system and use guarantee the left and right half module be separately positioned on left and right mould bases reliable closure effect, be conducive to avoiding wearing and tearing and use and ensure lasting service life and be of value to the quantity that reduces oil cylinder or cylinder and use the clamping apparatus of the hollow plastic product molding machine saving energy consumption.
Task of the present invention has been come like this, a kind of clamping apparatus of hollow plastic product molding machine, described hollow plastic product molding machine comprises the left mould bases and right mould bases that correspond to each other, described clamping apparatus comprises and is arranged on locked mode acting cylinder on described left mould bases and is arranged on described right mould bases and that position is corresponding with the locked mode acting cylinder post of locked mode acting cylinder lock pin locking mechanism, be characterised in that: be connected with a lock pin at the end of described locked mode acting cylinder post, this pin pin is configured with a sealed groove and a lock pin head towards one end of described lock pin locking mechanism, lock pin head is positioned at the end of sealed groove, described lock pin locking mechanism comprises a sealed cylindrical shell, one locking cover, one locking cover drives acting cylinder and a pair half-conical cutting ferrule, sealed cylindrical shell is fixed on described right mould bases with horizontal boom state, at this sealed cylindrical shell on the barrel of one end of described lock pin and the middle position being positioned at barrel offers a lock pin head manhole appendix communicated with the sealed cylinder chamber of sealed cylindrical shell, locking cover drives acting cylinder to fix with the horizontally-arranged state of level and sealed cylindrical shell, this locking cover drives the driving acting cylinder post of acting cylinder to be stretched in described sealed cylinder chamber, a pair half-conical cutting ferrule is arranged in sealed cylinder chamber with the state coordinated that faces each other, and correspond to the position of described lock pin head manhole appendix, on the end face of one end of described barrel, a gathering sill is respectively offered at this pair half-conical cutting ferrule, cone cutting ferrule back-moving spring is provided with between the mating surface of a pair half-conical cutting ferrule, and be respectively embedded with for by half-conical cutting ferrule and the semicircle magnetosphere locking the locking of overlapping and overlap the chamber wall adhesive of conical cavity on a pair half-conical cutting ferrule outer wall towards one end of locking cover, and a pair half-conical is configured with a sealed chamber and a lock pin head cavity after being fastened in and closing jointly, described locking cover is fixed with the end of described driving acting cylinder post, described locking cover conical cavity matches with a pair described half-conical cutting ferrule, wherein: towards the side of sealed cylinder chamber the position corresponding to described gathering sill is provided with a pair guide pad at described barrel, described gathering sill on one of them half-conical cutting ferrule in one of them guide pad in this pair guide pad and described a pair half-conical cutting ferrule is slidably matched, and the described gathering sill on another guide pad in a pair guide pad and another half-conical cutting ferrule in described a pair half-conical cutting ferrule is slidably matched, described sealed groove matches with described sealed chamber, and described lock pin head matches with described lock pin head cavity.
In a specific embodiment of the present invention, a cylinder axis of a cylinder is offered to internal thread hole at the end of described locked mode acting cylinder post, described lock pin is configured with a lock pin external screw thread connector towards one end of locked mode acting cylinder post, and this locked mode external screw thread connector is threaded with cylinder post axial threaded hole.
In another specific embodiment of the present invention, the shape of described lock pin head is hemispherical.
In another specific embodiment of the present invention, on described lock pin and in the position faced each other, be respectively configured with one for the milling flat for operation wrench operated.
In another specific embodiment of the present invention, described locked mode acting cylinder and described locking cover drive acting cylinder to be oil cylinder or cylinder.
Also have in a specific embodiment of the present invention, the described mating surface of a pair described half-conical cutting ferrule respectively offers spring-loaded hole in position to correspond to each other, one end of described spring is supported in the described spring-loaded hole on the mating surface of one of them the half-conical cutting ferrule in a pair half-conical cutting ferrule, and the other end of spring is supported in the described spring-loaded hole on the mating surface of another half-conical cutting ferrule in a pair half-conical cutting ferrule.
More of the present invention and in a specific embodiment, on the chamber diapire of the locking cover conical cavity of described locking cover and the middle position being positioned at chamber diapire offers a driving acting cylinder post connecting hole, this driving acting cylinder post connecting hole is equipped a driving acting cylinder post attachment screw, and this driving acting cylinder post attachment screw is fixedly connected with described driving acting cylinder post.
In an of the present invention and then specific embodiment, at a pair described half-conical cutting ferrule towards being configured with for overlapping the locking cover probeed into probe into gap for locking between the outer wall of one end and the chamber wall of described sealed cylinder chamber of described locking cover, when by the dynamic locking cover of described driving acting cylinder cornice from described locking cover probe into gap probe into time, a pair half-conical cutting ferrule enters described locking cover conical cavity and is in closure state, by described lock pin head cavity, described lock pin head is locked, and when being withdrawn locking cover by described driving acting cylinder cornice dynamic locking cover and probeing into gap, a pair half-conical cutting ferrule leaves locking cover conical cavity and scolds out each other, by described lock pin head release.
The technique effect of technical scheme provided by the invention is: the locking cover conical cavity that the locking due to lock pin locking mechanism is overlapped and a pair half-conical cutting ferrule can form the matching relationship as Tenon, thus a pair half-conical cutting ferrule to the lock pin head positive lock of lock pin, can guarantee that left and right half modular ideal be separately positioned on left and right mould bases closes; Because locking cover can not frayedly affect with coordinating of a pair half-conical cutting ferrule, thus can ensure result of use lastingly and reliably, the service life of whole clamping apparatus can be extended ultimate attainmently; Owing to only needing to use locked mode acting cylinder and locking cover to drive acting cylinder, thus effectively reduce the quantity of oil cylinder or cylinder, be conducive to saving power consumption.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 is in the schematic diagram of released state for the lock pin locking mechanism shown in Fig. 1 and lock pin.
The schematic diagram that Fig. 3 is in the lock state for the lock pin locking mechanism shown in Fig. 1 and lock pin.
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.
In the following description, every concept relating to the directionality of up, down, left, right, before and after and so on is all for the location status residing for the accompanying drawing be described, and thus can not be understood as the specific restriction to the specific embodiment of the present invention.
Embodiment:
Refer to Fig. 1, give the left mould bases 1a of the structural system of the forming machine belonging to hollow plastic product and right mould bases 1b, according to common practise, left mould bases 1a installs left half module, and in the position corresponding to left half module, right half module is installed on right mould bases 1b.And then according to common practise, usually arrange a plurality of such as 4 or 6 clamping apparatus belonging to structural system of the present invention between mould bases 1a, 1b left and right, concrete reason can see the 0025th section, the description of the 0025th section, the description of Chinese invention patent CN101890805B and CN102848558A.
Give locked mode acting cylinder 2 and a lock pin locking mechanism 3 of the structural system as clamping apparatus of the present invention, locked mode acting cylinder 2 is arranged on locked mode acting cylinder seat 22 with the horizontally-arranged state of level, and locked mode acting cylinder seat 22 adopts one group of locked mode acting cylinder seat hold-down screw 221 to be fixed on the side of aforementioned left mould bases 1a towards right mould bases 1b, and lock pin locking mechanism 3 to be arranged on right mould bases 1b corresponding with locked mode acting cylinder 2 towards the side of left mould bases 1a, the locked mode acting cylinder post 21 by this lock pin locking mechanism 3 pairs of locked mode acting cylinders 2 locks.
As shown in Figure 1, also namely internal thread hole 211 in a cylinder axis of a cylinder is offered towards one end of lock pin locking mechanism 3 at the end of locked mode acting cylinder post 21 and right-hand member, on internal thread hole 211, one end (diagram left end) of a lock pin 4 is connected with at this cylinder axis of a cylinder, and the other end of lock pin 4 (right-hand member of shown position) is configured with sealed groove 41 and a lock pin head 42, lock pin head 42 is positioned at the end of sealed groove 41, and the shape of lock pin head 42 is hemispherical, more precisely the shape of lock pin head 42 is glans penis shape.Diameter due to sealed groove 41 is significantly less than the diameter of lock pin 4, and thus for lock pin head 42, this sealed groove 41 serves the effect of neck, contributes to lock pin head 24 is locked by the lock pin locking mechanism 3 also will described in detail below.In addition, be connected to internal thread hole 211 with aforementioned cylinder axis of a cylinder in order to ensure lock pin 4, therefore a lock pin external screw thread connector 43 is configured with at lock pin 4 towards one end of locked mode acting cylinder post 21 and illustrated left end, by this lock pin external screw thread connector 43 and cylinder axis of a cylinder connect to the screw thread of internal thread hole 211, whole lock pin 4 is connected on locked mode acting cylinder post 21, thus by lock pin locking mechanism 3 by the locking that realizes locked mode acting cylinder post 21 locking of lock pin 4 or release and release.It can thus be appreciated that locked mode acting cylinder post 21 is indirectly locked by lock pin locking mechanism 3 or discharges, so-called indirectly concept is realized by the lock pin 4 between locked mode acting cylinder post 21 and lock pin locking mechanism 3.
Easily and reliably be connected to internal thread hole 211 with cylinder axis of a cylinder to make the lock pin external screw thread connector 43 of lock pin 4, thus on lock pin 4, a milling flat 44 is respectively configured with in the position faced each other, fork spanner or monkey wrench or other similar instrument can operate by means of this milling flat 44 pairs of lock pins 4, make lock pin 4 not only convenient but also fast and be reliably connected to internal thread hole 211 with cylinder axis of a cylinder.
In the present embodiment, aforesaid locked mode acting cylinder 2 adopts oil cylinder, if but cylinder is replaced oil cylinder for the object of evading the present invention, so should be considered as equivalent substitution and still belong to technology contents category disclosed by the invention.
Please continue to refer to Fig. 1, above mentioned lock pin locking mechanism 3 preferably but not the structure be definitely limited to is as follows: comprise a sealed cylindrical shell 31, and lock cover 32, and lock cover and drive acting cylinder 33 and a pair half-conical cutting ferrule 34, sealed cylindrical shell 31 is fixed on sealed cylindrical shell holder 314 by one group of sealed cylindrical shell hold-down screw 313 with horizontal boom state, and sealed cylindrical shell holder 314 adopts one group of sealed cylindrical shell holder hold-down screw 3141 to be fixed on the side of aforementioned right mould bases 1b towards left mould bases 1a, and sealed cylindrical shell 31 is corresponding with aforementioned locked mode acting cylinder post 21.Shown in figure, on the barrel 311 of sealed cylindrical shell 31 towards one end (diagram left end) of aforementioned lock pin 4 and the middle position being positioned at this barrel 311 offers a lock pin head manhole appendix 3111 communicated with the sealed cylinder chamber 312 of sealed cylindrical shell 31.Locking cover drives acting cylinder 33 to be shown by one group of acting cylinder hold-down screw 332(Fig. 2 and Fig. 3) to fix towards one end of aforementioned sealed cylindrical shell holder 314 with the horizontally-arranged state of level and sealed cylindrical shell 31, this locking cover drives the driving acting cylinder post 331 of acting cylinder 33 to be stretched in sealed cylinder chamber 312.A pair half-conical cutting ferrule 34 matches with surface state facing with each other, and be arranged on sealed cylinder chamber 312 one end towards aforementioned barrel 311, that is a pair half-conical cutting ferrule 34 corresponds to the position of aforesaid lock pin head manhole appendix 3111, respectively offer a gathering sill 341 at a pair half-conical cutting ferrule 34 towards the left end end face of a pair half-conical cutting ferrule 34 (i.e. on) on the end face of one end of barrel 311, between the mating surface (also can claim joint surface) of a pair half-conical cutting ferrule 34, be provided with cone cutting ferrule back-moving spring 342.According to professional general knowledge, the a pair half-conical cutting ferrule 34 coordinated that face each other respectively has two mating surfaces, therefore on each mating surface and in the position of correspondence, offer a pair (but not definitely being limited to a pair) spring-loaded hole 346, aforesaid cone cutting ferrule back-moving spring 342 has a pair for a mating surface of a pair half-conical cutting ferrule 34, namely two pieces are had, so there just have for two mating surfaces to be two right, namely have four pieces (specifically being illustrated by Fig. 1), one end of each cone cutting ferrule back-moving spring 342 is supported in the aforementioned spring-loaded hole 346 on the mating surface of one of them the half-conical cutting ferrule in a pair half-conical cutting ferrule 34, and the other end of respectively boring cutting ferrule back-moving spring 342 is supported in the aforementioned spring-loaded hole 346 on the mating surface of another half-conical cutting ferrule in a pair half-conical cutting ferrule 34.A pair half-conical cutting ferrule 34 is respectively embedded with the semicircle magnetosphere 343 for half-conical cutting ferrule 34 and the locking of locking cover 32 being overlapped chamber wall (inwall) adhesive of conical cavity 321 on the outer wall of one end of locking cover 32, and a pair half-conical cutting ferrule 34 is configured with a complete sealed chamber 344 and a lock pin head cavity 345 after closed jointly, aforesaid sealed groove 41 matches with sealed chamber 344, and aforesaid lock pin head 42 matches with lock pin head cavity 345.Locking cover 32 is positioned at sealed cylinder chamber 312 one end towards aforementioned driving acting cylinder post 331, and that is aforesaid a pair half-conical cutting ferrule 34 is positioned at the left end of sealed cylinder chamber 312, and locks the right-hand member that cover 32 is positioned at sealed cylinder chamber 312.Shown in figure, locking cover 32 is configured with a locking cover conical cavity 321, this locking cover conical cavity 321 matches with aforesaid a pair half-conical cutting ferrule 34, on the chamber diapire of the locking cover conical cavity 321 of locking cover 32 and the middle position being positioned at chamber diapire offers a driving acting cylinder post connecting hole 3211, this driving acting cylinder post connecting hole 3211 is equipped a driving acting cylinder post attachment screw 32111, and this driving acting cylinder post attachment screw 32111 is fixedly connected with the screw hole 3311 in the distal end faces of aforementioned driving acting cylinder post 331.
Please still see Fig. 1, towards the side of aforementioned sealed cylinder chamber 312 position corresponding to the aforementioned gathering sill 341 on a pair half-conical cutting ferrule 34 is provided with a pair guide pad 3113 at aforesaid barrel 311, this a pair guide pad 3113 is respectively fixed by the guide pad screw 3112 fixing with barrel 311, and the gathering sill 341 on one of them the half-conical cutting ferrule in one of them guide pad in this pair guide pad 3113 and a pair half-conical cutting ferrule 34 is slidably matched, and the gathering sill 341 on another guide pad in a pair guide pad 3113 and another half-conical cutting ferrule in a pair half-conical cutting ferrule 34 is slidably matched, specifically illustrated in detail by Fig. 1.
From above-mentioned explanation and as shown in Figure 1, the function of a pair half-conical cutting ferrule 34 just as Mechanical Product's Machining equipment as clamping for clamping the claw of workpiece aforesaid lock pin 4 or discharging on lathe, and the little head end of a pair half-conical cutting ferrule 34 is towards the locking cover conical cavity 321 of locking cover 32, and locking cover conical cavity 321 diameter diminishes towards the direction away from half-conical cutting ferrule 34 gradually from the direction of half-conical cutting ferrule 34, thus make to form desirable compensation relationship each other between locking cover conical cavity 321 and a pair half-conical cutting ferrule 34.Same reason, the width right-to-left (for shown position) that aforesaid locking cover probes into gap 347 diminishes gradually.So, locking cover 32 from locking cover probe into probe in gap 347 time, show and form with a pair half-conical cutting ferrule 34 relation exactly liking Tenon and coordinate.Make a pair half-conical cutting ferrule 34 embody desirable closure effect, and then the lock pin head 42 of aforementioned lock pin 4 is reliably clamped in lock pin head cavity 345 by a pair half-conical cutting ferrule 34, otherwise with example.
Owing to which are mentioned aboving semicircle magnetosphere 343, therefore lock the material of cover 32 be for the metal material of the magnetic conduction of semicircle magnetosphere 343 adhesive.
As the description to locked mode acting cylinder 2, in the present embodiment, aforesaid locking cover drives acting cylinder 33 to adopt oil cylinder, but if replace oil cylinder with cylinder, then should be considered as form and immaterial equivalence changes.
Applicant it should be noted that: exchange if arranged with the position of lock pin locking mechanism 3 on left and right mould bases 1a, 1b by aforesaid locked mode acting cylinder 2, be so completely passable, and belong to protection category of the present invention.
Application examples 1:
Refer to Fig. 2 and composition graphs 1, Fig. 2 discloses left and right mould bases 1a, 1b is in the state of scolding out each other.On a left side, right mould bases 1a, the locking removing lock pin locking mechanism 3 pairs of lock pins 4 is needed before 1b scolds out, specifically: locking cover drives the driving acting cylinder post 331 of acting cylinder 33 to cylinder body intrinsic displacement, i.e. displacement to the right (shown position state is example), the displacement to the right of locking cover 32 is driven by driving acting cylinder post 331, in this condition, a pair half-conical cutting ferrule 34 retreats to the accent position of locking cover conical cavity 321, now under the restoring force effect of cone cutting ferrule back-moving spring 342, direction contrary towards each other for a pair half-conical cutting ferrule 34 is scolded out, semicircle magnetosphere 343 remains in overlapping the state of the chamber wall adhesive of conical cavity 321 with locking.Open state is scolded because a pair half-conical cutting ferrule 34 is in, thus lock pin head cavity 345 relieves the control (clamping) to the lock pin head 42 of lock pin 4, so under the work of locked mode acting cylinder 2, the lock pin head 42 of lock pin 4 is exited from the lock pin head manhole appendix 3111 barrel 311 of locking sleeve 31.And then under the work of mould bases mobile device, make the mutual exclusion of left and right mould bases 1a, 1b phase open, realize die sinking, namely make the left half module be arranged on left mould bases 1a open with the right half module be arranged on right mould bases 1b.Opening or closing and belong to known technology due to left and right mould bases 1a, 1b, such as can see Chinese patent notification number CN101890805B and publication No. CN102848558A, and therefore applicant repeats no more.
Application examples 2:
Refer to Fig. 3 and composition graphs 1, when left and right mould bases 1a, 1b arrive pre-die-closed position, then clamping apparatus of the present invention enters duty, and pre-die-closed position said here refers to that the left half module be arranged on left mould bases 1a is tending towards closed configuration with the right half module be arranged on right mould bases 1b.In this condition, the work (operation by electric control box) of the locked mode acting cylinder 2 on left mould bases 1a is fixed on by locked mode acting cylinder seat 22, locked mode acting cylinder post 21 is stretched towards the direction of lock pin locking mechanism 3, until enter in sealed cylindrical shell 31 from lock pin head manhole appendix 3111, now the pin of lock pin 4 closes the sealed chamber 344 that groove 41 corresponds to a pair half-conical cutting ferrule 34, and lock pin head 42 corresponds to lock pin head cavity 345.Then, made by the operation to electric control box locking overlap and drive acting cylinder 33 to work, acting cylinder post 331 is driven to stretch outside cylinder body, namely to left dislocation, drive locking cover 32 to left dislocation, a pair half-conical cutting ferrule 34 enters the depths (diagram right side) of locking cover conical cavity 321 under the state of active force overcoming cone cutting ferrule back-moving spring 342, and until completely closed each other.By cooperatively interacting of a pair half-conical cutting ferrule 34, lock pin head 42 is reliably locked in lock pin head cavity 345 in this condition, at the huffing device of hollow plastic product molding machine in the process of material base (plastic pipe of the molten condition) inflation in the die cavity of left and right half module, can not make because being under pressure to occur empty seam between the joint surface of left and right half module, guaranteeing the quality of hollow plastic product.When imbibition device is blown and is terminated rear die sinking, then make lock pin locking mechanism 3 remove locking to lock pin head 42 by the superincumbent explanation of applicant, locked mode acting cylinder 2 reverse operation, under the reverse operation of mould bases travel mechanism, left and right mould bases 1a, 1b scold out, and shaping hollow plastic product is deviate from from left and right half module.
Claims (7)
1.
a kind of clamping apparatus of hollow plastic product molding machine, described hollow plastic product molding machine comprises the left mould bases (1a) and right mould bases (1b) that correspond to each other, described clamping apparatus comprises the locked mode acting cylinder (2) that is arranged on described left mould bases (1a) and is arranged on described right mould bases (1b) and that position is corresponding with the locked mode acting cylinder post (21) of locked mode acting cylinder (2) lock pin locking mechanism (3), it is characterized in that: be connected with a lock pin (4) at the end of described locked mode acting cylinder post (21), this pin pin (4) is configured with a sealed groove (41) and a lock pin head (42) towards one end of described lock pin locking mechanism (3), lock pin head (42) is positioned at the end of sealed groove (41), described lock pin locking mechanism (3) comprises a sealed cylindrical shell (31), one locking cover (32), one locking cover drives acting cylinder (33) and a pair half-conical cutting ferrule (34), sealed cylindrical shell (31) is fixed on described right mould bases (1b) with horizontal boom state, at this sealed cylindrical shell (31) towards the barrel (311) of one end of described lock pin (4) is upper and the middle position being positioned at barrel (311) offers a lock pin head manhole appendix (3111) communicated with the sealed cylinder chamber (312) of sealed cylindrical shell (31), locking cover drives acting cylinder (33) to fix with the horizontally-arranged state of level and sealed cylindrical shell (31), this locking cover drives the driving acting cylinder post (331) of acting cylinder (33) to be stretched in described sealed cylinder chamber (312), a pair half-conical cutting ferrule (34) is arranged in sealed cylinder chamber (312) with the state coordinated that faces each other, and correspond to the position of described lock pin head manhole appendix (3111), on the end face of one end of described barrel (311), a gathering sill (341) is respectively offered this pair half-conical cutting ferrule (34), cone cutting ferrule back-moving spring (342) is provided with between the mating surface of a pair half-conical cutting ferrule (34), and the semicircle magnetosphere (343) of the chamber wall adhesive of conical cavity (321) is overlapped a pair half-conical cutting ferrule (34) locking be respectively embedded with on the outer wall of one end of locking cover (32) for half-conical cutting ferrule (34) and locking being overlapped (32), and a pair half-conical cutting ferrule (34) is jointly configured with a sealed chamber (344) and a lock pin head cavity (345) after closed, described locking cover (32) is fixed with the end of described driving acting cylinder post (331), described locking cover conical cavity (321) is matched with a pair described half-conical cutting ferrule (34), wherein: towards the side of sealed cylinder chamber (312) position corresponding to described gathering sill (341) is provided with a pair guide pad (3113) at described barrel (311), described gathering sill (341) on one of them half-conical cutting ferrule in one of them guide pad in this pair guide pad (3113) and described a pair half-conical cutting ferrule (34) is slidably matched, and the described gathering sill (341) on another guide pad in a pair guide pad (3113) and another half-conical cutting ferrule in described a pair half-conical cutting ferrule (34) is slidably matched, described sealed groove (41) matches with described sealed chamber (344), and described lock pin head (42) matches with described lock pin head cavity (345).
2.
the clamping apparatus of hollow plastic product molding machine according to claim 1, it is characterized in that offering a cylinder axis of a cylinder to internal thread hole (211) at the end of described locked mode acting cylinder post (21), described lock pin (4) is configured with a lock pin external screw thread connector (43) towards one end of locked mode acting cylinder post (21), and this locked mode external screw thread connector (43) is threaded with cylinder post axial threaded hole (211).
3.
the clamping apparatus of hollow plastic product molding machine according to claim 1, is characterized in that the shape of described lock pin head (42) is hemispherical.
4.
the clamping apparatus of hollow plastic product molding machine according to claim 1 and 2, is characterized in that going up at described lock pin (4) and being respectively configured with one in the position faced each other for the milling flat (44) for operation wrench operated.
5.
the clamping apparatus of hollow plastic product molding machine according to claim 1, is characterized in that described locked mode acting cylinder (2) and described locking cover drive acting cylinder (33) to be oil cylinder or cylinder.
6.
the clamping apparatus of hollow plastic product molding machine according to claim 1, to it is characterized in that on the described mating surface of a pair described half-conical cutting ferrule (34) and respectively to offer spring-loaded hole (346) in position to correspond to each other, one end of described spring (342) is supported in the described spring-loaded hole (346) on the mating surface of one of them the half-conical cutting ferrule in a pair half-conical cutting ferrule (34), and the other end of spring (342) is supported in the described spring-loaded hole (346) on the mating surface of another half-conical cutting ferrule in a pair half-conical cutting ferrule (34).
7.
the clamping apparatus of hollow plastic product molding machine according to claim 1, to it is characterized in that on the chamber diapire of locking cover conical cavity (321) of described locking cover (32) and the middle position being positioned at chamber diapire offers driving acting cylinder post connecting hole (3211), this driving acting cylinder post connecting hole (3211) is equipped driving acting cylinder post attachment screw (32111), and this driving acting cylinder post attachment screw (32111) is fixedly connected with described driving acting cylinder post (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545887.8A CN103587109B (en) | 2013-11-06 | 2013-11-06 | The clamping apparatus of hollow plastic product molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545887.8A CN103587109B (en) | 2013-11-06 | 2013-11-06 | The clamping apparatus of hollow plastic product molding machine |
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| CN106827468B (en) * | 2017-04-06 | 2022-08-26 | 苏州同大机械有限公司 | Mould locking device |
| CN110630224A (en) * | 2019-09-23 | 2019-12-31 | 杨怀宇 | Pump bumping elevator and connecting assembly of oil pumping unit |
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| CN2705301Y (en) * | 2004-06-03 | 2005-06-22 | 王新 | Mould closing locking mechanism for plastic hollow forming machine |
| CN203543092U (en) * | 2013-11-06 | 2014-04-16 | 苏州同大机械有限公司 | Mold clamping device of hollow plastic product forming machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2705301Y (en) * | 2004-06-03 | 2005-06-22 | 王新 | Mould closing locking mechanism for plastic hollow forming machine |
| CN203543092U (en) * | 2013-11-06 | 2014-04-16 | 苏州同大机械有限公司 | Mold clamping device of hollow plastic product forming machine |
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