WO2023001605A1 - Outil de moulage rotatif - Google Patents

Outil de moulage rotatif Download PDF

Info

Publication number
WO2023001605A1
WO2023001605A1 PCT/EP2022/069213 EP2022069213W WO2023001605A1 WO 2023001605 A1 WO2023001605 A1 WO 2023001605A1 EP 2022069213 W EP2022069213 W EP 2022069213W WO 2023001605 A1 WO2023001605 A1 WO 2023001605A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
molding tool
rotary molding
spring
locking elements
Prior art date
Application number
PCT/EP2022/069213
Other languages
German (de)
English (en)
Inventor
Frank HARLEMAN
Original Assignee
Modelmakerij Hengelo B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Modelmakerij Hengelo B.V. filed Critical Modelmakerij Hengelo B.V.
Priority to EP22738697.6A priority Critical patent/EP4373650A1/fr
Priority to CN202280051382.3A priority patent/CN117677479A/zh
Publication of WO2023001605A1 publication Critical patent/WO2023001605A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/38—Moulds, cores or other substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/003—Combinations of clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/02—Clamps with sliding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B29C41/06—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould about two or more axes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting

Definitions

  • the invention relates to a rotary molding tool for the primary shaping of hollow bodies, with two mold halves which, in a working position, have mold half openings facing one another and are framed by annular flange sections extending in a circumferential direction around a main axis around the flange, with the delimitation of a mold chamber placed against one another are, wherein the mold halves are releasably clamped together in the ring-shaped flange portions by means of a clamping device.
  • Rotational molding tools are used in particular in rotational molding systems for rotational molding of plastic hollow bodies. First, plastic material in powder or granular form, in particular a thermoplastic, is introduced into the shaping cavity or the shaping chamber of the mold.
  • the highly thermally conductive mold is then heated to create a plastic melt.
  • the axial rotation of the rotary mold tool deposits the melt layer by layer on the inner surfaces of the mold.
  • Subsequent cooling of the mold solidifies the layer deposited on the mold wall, resulting in a hollow plastic body.
  • demolding at closing the plastic hollow body is freed from the mold.
  • Such a rotational molding of plastic hollow bodies is already known and is described, for example, in WO 2013/164765 A2, where several multi-axis swiveling robots are used there, which ensure the biaxial rotation of the remote rotary tool.
  • the object is therefore to create a rotary molding tool of the type mentioned at the outset, in which the clamping and subsequent release of the two mold halves from one another can be made possible in a cost-effective, simple and rapid manner.
  • This object is solved by a rotary molding tool having the features of independent claim 1 . Further developments of the invention are set out in the subclaims.
  • the rotary molding tool according to the invention is characterized in that the clamping device has a plurality of fluid-operated clamping units distributed in the circumferential direction of the flange and effective between the two flange sections, which are each fastened to one flange section and detachably engage the other flange section.
  • the fluid actuation enables rapid activation or deactivation of the clamping units, as a result of which the set-up time when clamping and releasing the two mold halves from one another can be significantly reduced compared to conventional clamping devices.
  • the higher clamping forces that occur during fluid actuation allow greater closing forces to act on the flange sections of the mold halves, as a result of which these are more tightly clamped together, so that flash formation during molding of the plastic hollow body is reduced. This reduces the effort required for post-processing, there are fewer air pockets in the plastic hollow body and there is less waste when the mold halves are separated.
  • the clamping units are each Weil constantly prestressed in the direction of a clamping state by means of a spring device and can be converted into a release position by fluid application, overcoming the spring force of the spring device.
  • this can be done by applying fluid pressure, with a pressure surge using a suitable pressure fluid, for example compressed air, ensuring rapid transfer of the clamping units into the release position, as a result of which the two mold halves can be separated from one another quickly and easily.
  • a suitable pressure fluid for example compressed air
  • the clamping units each have a clamping ram which interacts with associated locking elements and is prestressed by the spring device into the clamping position in which the clamping ram presses the locking elements into a locking position in engagement with the other flange section, wherein the clamping plunger can be moved by fluid pressure against the spring force of the spring device into a release position, which enables the locking elements to move into an unlocking position releasing the other flange section.
  • the clamping units each have a clamping unit housing in which a piston connected to the clamping ram is movably mounted by means of fluid pressure applied by a pressurized fluid, with the piston dividing the housing interior of the clamping unit housing into two working chambers, one of which a first working chamber can be pressurized by the pressure fluid and the second working chamber is penetrated by the spring device.
  • the clamping units can each be designed as a single-acting pressure cylinder, in particular a pneumatic cylinder.
  • the spring device is stationarily mounted on a spring bearing on the one hand and on the other hand it acts on a side of the piston facing the second working chamber in such a way that the clamping plunger is pre-tensioned via its connection to the piston in the clamping position.
  • the spring device it is possible for the spring device to have at least one compression spring, with the compression spring preferably being designed as a helical spring and being movably mounted on a base section of the tensioning plunger, coaxially enclosing the base section.
  • the spring device it is not absolutely necessary for the spring to be stored on the tensioning plunger.
  • the clamping ram has a conical section which engages with the locking elements and widens towards a free end of the clamping ram in such a way that the locking elements in the predetermined clamping position extend radially outward through a wide area of the conical section into the locking position are pressed and the locking elements come into contact with a narrower area of the cone section when fluid pressure is applied to the end locking and the associated movement of the clamping plunger, so that they can be moved radially inward, causing unlocking.
  • the locking elements are designed as rolling bodies, in particular balls.
  • the clamping units can be equipped with a ball lock.
  • the locking elements of a respective clamping unit are assigned a locking element guide device for guiding the locking elements between the locking position and the unlocking position.
  • the locking element guide device has a guide tube that is connected to the clamping unit housing in such a way that the clamping ram is immersed in the guide tube, with the guide tube being distributed on its lateral surface in the circumferential direction of the guide tube Has openings through which the locking elements in the clamped position over the surface of the guide tube Man hen abste also radially outward.
  • the openings are of circular design, with an opening diameter which is smaller than the diameter of the locking elements, which are in particular spherical. This prevents the spherical locking elements from falling out of the guide tube in a radially outward direction.
  • the clamping units each have a push-off device by means of which the flange sections can be pressed away from one another when the clamping process is suspended.
  • the push-off device has as components the guide tube and the clamping ram and a push-off section formed on the other flange section, with the clamping ram in the unlocked position, passing through the guide tube, protruding from the free end of the guide tube in contact with the push-off section comes, so that the two flange sections can be pushed away from each other.
  • FIG. 1 shows a perspective view of a preferred exemplary embodiment of the rotary molding tool according to the invention
  • FIG. 2 shows a side view of the rotary molding tool from FIG. 1
  • FIG. 3 shows a side view of a clamping unit of the clamping device of the rotational molding tool according to the invention from FIGS
  • FIG. 4 shows a section through the tensioning unit of FIG. 3 along the line IV-IV.
  • FIGS 1 to 4 show a preferred exemplary embodiment of the rotary molding tool 11 according to the invention.
  • Such rotary molding tools 11 are used for the primary shaping of hollow bodies (not shown).
  • products such as hollow bodies are made from a "mass", i.e. an original form.
  • this "mass” is material that can be melted at a melting temperature and hardened below the melting temperature.
  • a thermoplastic present in particular as a powder for example polyethylene (PE) or polypropylene (PP), is used as the fusible material.
  • PE polyethylene
  • PP polypropylene
  • other thermoplastics can also be used, in particular those in which the melting range between see the melting temperature and the decomposition temperature, from which the thermoplastic is thermally decomposed, is relatively narrow.
  • Rotational molding tools 11 are used in rotational molding devices (not shown).
  • the rotary molding tool 11 of the present invention can be used with various types of rotary molding devices.
  • the rotary molding tool 11 or more of the rotary molding tool 11 can be used in so-called rotary machines who are rotatable about a vertical axis of rotation and have a plurality of cantilever arms, to each of which such a rotary molding tool 11 is coupled.
  • the cantilever arms in turn execute at least biaxial rotation or a so-called "rock'n'roll movement" in order to carry out the rotational molding process described in more detail below.
  • the rotational molding tool 11 can also be used in a rotational molding device In this case, the rotary molding tool 11 is coupled to a swivel arm of the swivel robot.
  • the rotary molding tool has two mold halves 12a, 12b which, in a position of use shown in Figures 1 and 2, are joined together with the mold half openings (not shown) facing one another and with the delimitation of a mold chamber (not shown). are set.
  • the two mold halves 12a, 12b each have annular flange sections 13a, 13b, which extend in a circumferential direction 14 around a main axis 15 around the mold halves 12a, 12b and frame them.
  • the two mold halves 12a, 12b are each associated with cage-like frames 16a, 16b which extend around the outer circumference of the mold halves 12a, 12b.
  • the mold halves 12a, 12b are at the associated frames 16a, 16b attached.
  • the frames 16a, 16b each have an associated mold half base 17a, 17b associated platform section 18a, 18b, which serves as a mechanical interface for connection to a boom arm of a rotary machine or for coupling to a swivel arm of a multi-axis swivel robot.
  • the ring-shaped flange sections 13a, 13b have tabs 19 distributed in the circumferential direction 14 of the flange, each having a through-opening (not shown), which are effective in a manner to be described below.
  • the two mold halves 12a, b are detachably clamped together by means of a clamping device 21 in the region of the annular flange sections 13a, 13b.
  • the clamping device 21 has a plurality of units 22 distributed in the flange circumferential direction 14 between the two flange sections 13a, 13b effective fluid-actuated clamping units 22 which are fastened to one flange section 13a and be detachable on the other flange section 13a.
  • FIGS 3 and 4 show one of the clamping units 22 of the clamping device 21.
  • the clamping units 22 are constructed identically to one another, so that the description below of an individual clamping unit 22 also applies to the other clamping units.
  • the tensioning unit 22 has a tensioning unit housing 23 with a housing cover 24 and a housing cover 24 opposite it Housing bottom 25, wherein between the housing cover 24 and Ge housing bottom 25, a cylindrical wall portion 26 extends.
  • the housing cover 24, housing base 25 and cylindrical wall section 26 are separate components which are clamped together by means of threaded rods and associated nuts 27.
  • a piston 29 is movably accommodated in a housing interior 28 and divides the housing interior 28 into two working chambers 30a, 30b.
  • Clamping plunger 31 is led out of housing interior 28 of clamping unit housing 23 via a bottom opening 32 formed in housing bottom 35 .
  • the clamping unit 22 is designed as a single-acting pressure cylinder, with the upper working chamber 30a being able to be subjected to fluid pressure with a pressure fluid, in particular compressed air.
  • a fluid connection 33 is provided on the housing cover 24, which is expediently designed as a fitting, for example in the form of a T-piece.
  • a flexible pressure line can be used for the pressure connection, which is routed from a distributor unit 34 arranged, for example, on the upper mold half 12a to the fluid connection.
  • the central distribution unit 34 is in turn fed by a source of pressurized fluid, in particular a source of pressurized air, and then distributes the pressurized fluid to the individual clamping units 22 via corresponding fluid lines.
  • the upper working chamber 30a can be pressurized with pressurized fluid, while the lower working chamber 30b has a spring device 35 passing through it.
  • the clamping units 22 are thus designed in the manner of a single-acting pressure cylinder.
  • the spring device 35 has a spring element 36 in the form of a compression spring.
  • the compression spring is formed in the example shown as a coil spring and is movably mounted on a base portion 37 of the clamping plunger 31 BE.
  • the spring element 36 in the form of the compression spring is supported on the one hand on a spring bearing 38 which, in the example shown, is designed as a bearing disk which is fastened inside a guide tube 39 of a locking element guide device 40, described in more detail below.
  • the bearing disk has a central opening 41 through which the base section 37 of the clamping ram passes.
  • the spring element 36 is supported on a piston side 42 facing the lower working chamber 30b.
  • the clamping ram 31 is connected to the piston 29 .
  • the clamping plunger 31 has a chanarti conditions bearing portion 43 with respect to the base portion 37 smaller diameter.
  • the bearing section 43 passes through a central passage opening 44 in the piston.
  • the central through-opening 44 in the piston 29 has a Internal thread and the pin-like bearing portion 43 has an external thread, whereby the clamping plunger 31 and the piston are releasably connected to one another by the screw connection created in this way.
  • FIG. 4 shows in particular, a section of the pin-like bearing section 43 protrudes into the upper working chamber 30a.
  • the passage between the bearing section, which is located in the region of the central through-opening in the piston, and the wall of the central through-opening is sealed fluid-tight with a sealing cap 45 .
  • annular seal accommodated in an annular groove 46 on the lateral surface of the piston 29, for example in the form of a sealing ring 70, for example an annular cord sealing ring, is also used, creating a fluid-tight seal between the lateral surface of the piston 29 and the inner wall of the cylindrical wall section 26 of the tension unit housing 23 is achieved.
  • a further sealing ring 47 is also provided, which is arranged between the end face of the cylindrical wall section 26 and the disgusting housing cover 24 .
  • the two sealing rings 46, 47 and the sealing cap 45 consist of a special sealing material that is heat-resistant up to a temperature of 300°C.
  • clamp unit housing 23 is attached to the upper mold half by means of a mounting plate 48
  • the mounting plate 48 is also connected to the housing base 25 by means of threaded rods 64, whereby the height of the Clamping unit housing 23 relative to the mounting plate 48 is possible, please include.
  • the clamping ram 31 interacts with associated locking elements 49 and is biased by the spring device 35 into a clamping position 50 in which the clamping ram 31 presses the locking elements 49 into a locking position 51 into engagement with the other flange section 13b, where the clamping ram 31 is pressurized by fluid pressure of the upper working chamber 30a against the spring force of the spring device 35 can be moved into a release position (not shown), which allows the locking elements 49 to move into an unlocking position (not shown) releasing the other flange section 13b.
  • the clamping ram 31 has a cone section 52 which engages with the locking element 49 .
  • the Konusab section 52 is formed in the axial extension of the base portion 37 to the free end of the clamping ram.
  • the cone section 52 widens toward the free end 53 of the clamping ram in such a way that the locking elements 49 in the prestressed clamping position 50 are pressed radially outwards into the locking position 51 by a wide area of the cone section 52 and the locking elements during unlocking under fluid pressure and the thereby associated movement of the clamping plunger with narrower areas of the cone portion 52 into engagement, so that they are movable causing an unlocking radially inward.
  • the locking elements 51 are designed as rolling bodies in the form of balls.
  • the locking element guide unit already mentioned is attached to the locking element 49 of a respective clamping unit 22. associated with direction 40, which provides for guiding the locking elements 49 between the locked position 51 and the unlocked position.
  • the locking element guide device 40 has the already mentioned guide tube 39, which is fastened to the housing bottom 25 in the area of the bottom opening 32 of the housing bottom 25 and passes through a central through-opening 54 in the mounting plate 48, with the clamping plunger 31 being immersed in the guide tube 39.
  • a bearing head 55 which has the free end 53 of the clamping ram 31, the transition between the cone section 52 and the bearing head 55 being formed by an annular shoulder 56 on which distributed in the circumferential direction of the clamping ram 31, the spherical locking elements 49 are mounted.
  • the locking element guide device 40 also includes a guide unit 57 which is associated with the lower mold half 12b and the lower frame 16b. The guide unit 57 is attached to the lower frame 16b.
  • the guide unit 57 has a disc section 59 equipped with a central opening 58, which is used for attachment to the lower frame 16b.
  • a sleeve section 60 is connected in particular in one piece with the disc section 58 , the end face of which protrudes freely downwards being bevelled inwards and thus serving as a contact surface 61 for the spherical locking elements 49 .
  • the spherical Ver locking elements 49 are - as mentioned - in the locking position 51 and therefore in contact with the contact surface 61.
  • the lateral surface of the guide tube 39 has openings 62 distributed over the circumferential direction of the guide tube, through which the locking elements 49 protrude radially outward beyond the lateral surface of the guide tube 39 in the clamped position, so that they can contact the contact surface 61 outside of the guide tube on the sleeve section 60 of the guide unit 57 are brought into contact.
  • the clamping units 22 each have a push-off device 80, by means of which the flange sections 13a, b can be pressed away from one another when the clamping process is canceled.
  • the components of the push-off device 80 are the guide tube 39 and the clamping ram 31 and a push-off section (not shown) formed on the other flange section, with the clamping ram 31 in the release position, passing through the guide tube 39, protruding from the free end of the guide tube 39 , Comes into contact with the push-off section, so that the two flange sections 13a, b can be pushed away from one another.
  • the two mold halves 12a, 12b Before performing a rotational molding process, the two mold halves 12a, 12b must be clamped together with their mold half openings facing each other.
  • the two mold halves 12a, 12b are attached to the associated Ge places 16a, 16b.
  • the clamping units 22 are attached to the upper frame 16a, distributed over the circumferential direction 14 of the flange.
  • the guide units 57 are attached to the associated lower frame 16b.
  • the two frames 16a, 16b with the mold halves 12a, 12b are positioned relative to one another that the openings of the tabs 19a, 19b projecting laterally beyond the outside of the flange sections 13a, 13b are aligned approximately in alignment with one another.
  • Pressure fluid in particular compressed air
  • the clamping rams By lowering the upper frame 16a, the guide tubes 39 of the clamping units 22 move into the respective opposite opening of the tab 19b of the lower mold half 12b and the central opening 59 of the associated disc section 58, thereby centering the two mold halves 12a, 12b to each other.
  • the guide tube 39 By further lowering the guide tube 39 reaches with its openings 62 below the sleeve section 60 of the guide unit, which - as already mentioned - is attached to the lower frame 16b.
  • the clamping units 22 are then depressurized, in particular the upper working chambers are vented, as a result of which the spring force of the spring device 35 pushes the piston 29 and thus the clamping ram 31 upwards, as a result of which a wider area of the cone section 52 comes into contact with the spherical locking elements 49 and these radially outwards in its locking position 51, so that the sections of the spherical locking elements 49 projecting beyond the lateral surface of the guide tube 39 press on the slope of the sleeve section 60 and thereby clamp the two mold halves 12a, 12b together.
  • This simultaneous bracing distributed over the scope of
  • Flange sections 13a, 13b cause a uniform clamping of the two mold halves 12a, 12b with a high clamping force. The rotational molding process can then be carried out.
  • the locking elements 49 are in their locking position 51 when the upper working chambers of the clamping units are relieved of pressure, so that the spring force of the spring device 35 causes the pistons 29 of the
  • the clamping units 22 Press the clamping units 22 and the clamping rams 31 upwards.
  • the clamping units 22 are now subjected to fluid pressure via the distribution unit 34, i. H. in particular, the upper working chambers 30a of the clamping units 22 are pressurized with compressed air. This causes the pistons 29 of the clamping units 22 to move downward—this process takes place in all clamping units 22 at the same time.
  • the clamping ram 31 moves downwards against the spring force of the spring device 35 and emerges from the free end of the guide tube 39 and pushes itself off on the push-off surface on the lower frame 16b, with the downward movement of the clamping ram 31 simultaneously causing the spherical locking elements 49 to move are moved radially inwards into their unlocked position.
  • the two mold halves 12a, 12b are pushed away from one another by the simultaneous ejection of the lower ends of the clamping rams 31 at the associated ejection sections or ejection surfaces, so that the opening and separation of the mold halves 12a, 12b and thus the subsequent demoulding is facilitated .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention se rapporte à un outil de moulage rotatif destiné à la mise en forme primaire de corps creux, ledit outil comprenant deux moitiés de moule (12a, 12b) qui, dans une position d'utilisation, sont placées l'une contre l'autre de manière à définir une chambre de moulage avec des demi-ouvertures de moule qui se font face et qui sont encadrées par des sections de bride annulaires (13a, 13b) s'étendant dans une direction périphérique de bride (14) autour d'un axe principal (15), les moitiés de moule (12a, 12b) étant serrées de manière détachable dans la région des sections de bride annulaires (13a, 13b) au moyen d'un dispositif de serrage (21). Selon l'invention, le dispositif de serrage (21) présente une pluralité d'unités de serrage à actionnement fluidique (22) qui sont réparties dans la direction périphérique de la bride (14) et qui sont efficaces entre les deux sections de bride (13a, 13b), chaque unité de serrage étant fixée à une section de bride (13a) et entrant en prise de façon détachable avec l'autre section de bride (13b).
PCT/EP2022/069213 2021-07-20 2022-07-11 Outil de moulage rotatif WO2023001605A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22738697.6A EP4373650A1 (fr) 2021-07-20 2022-07-11 Outil de moulage rotatif
CN202280051382.3A CN117677479A (zh) 2021-07-20 2022-07-11 旋转成形工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021207763.3 2021-07-20
DE102021207763.3A DE102021207763A1 (de) 2021-07-20 2021-07-20 Rotationsformwerkzeug

Publications (1)

Publication Number Publication Date
WO2023001605A1 true WO2023001605A1 (fr) 2023-01-26

Family

ID=82458552

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/069213 WO2023001605A1 (fr) 2021-07-20 2022-07-11 Outil de moulage rotatif

Country Status (4)

Country Link
EP (1) EP4373650A1 (fr)
CN (1) CN117677479A (fr)
DE (1) DE102021207763A1 (fr)
WO (1) WO2023001605A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879545A (en) * 1955-09-15 1959-03-31 Sun Rubber Co Apparatus for separating and clamping mold sections in rotational casting machines
EP0319710A2 (fr) * 1987-11-09 1989-06-14 Kabushiki Kaisha Kosmek Dispositif de serrage hydraulique
DE3936122C1 (fr) * 1989-10-30 1990-10-31 Ott Maschinentechnik Gmbh, 8960 Kempten, De
DE19650481A1 (de) * 1996-12-05 1998-06-18 Wozar Joachim Andreas Spannvorrichtung
US5869109A (en) * 1997-10-02 1999-02-09 Norstar Aluminum Molds, Inc. Multi-mold closure system
US20070158891A1 (en) * 2003-04-15 2007-07-12 Ssa Systems-Spann Ag Quick action clamping cylinder with a simplified structure
WO2013164765A2 (fr) 2012-04-30 2013-11-07 Plastigi Appareil et procédé de moulage par rotation de matière plastique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891281A (en) 1954-03-19 1959-06-23 Armstrong Cork Co Rotary molding device
DE3921517A1 (de) 1989-06-30 1991-01-10 Abs Pumpen Ag Form zur herstellung von kunststoffbehaeltern
DE4428984C2 (de) 1994-08-16 2002-12-12 Elkamet Kunststofftechnik Gmbh Vorrichtung zum Herstellen von Hohlkörpern aus rieselfähigen trockenen thermoplastischen Kunststoffen durch Rotationsschmelzen
IE950479A1 (en) 1995-06-29 1996-12-30 Rodicon Ltd A mould and a method for moulding an article
DE102006043514A1 (de) 2006-09-12 2008-03-27 Köver GmbH & Co. KG Metall- und Kunststoffverarbeitung Werkzeug für Kunststoffrotationsverfahren

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879545A (en) * 1955-09-15 1959-03-31 Sun Rubber Co Apparatus for separating and clamping mold sections in rotational casting machines
EP0319710A2 (fr) * 1987-11-09 1989-06-14 Kabushiki Kaisha Kosmek Dispositif de serrage hydraulique
DE3936122C1 (fr) * 1989-10-30 1990-10-31 Ott Maschinentechnik Gmbh, 8960 Kempten, De
DE19650481A1 (de) * 1996-12-05 1998-06-18 Wozar Joachim Andreas Spannvorrichtung
US5869109A (en) * 1997-10-02 1999-02-09 Norstar Aluminum Molds, Inc. Multi-mold closure system
US20070158891A1 (en) * 2003-04-15 2007-07-12 Ssa Systems-Spann Ag Quick action clamping cylinder with a simplified structure
WO2013164765A2 (fr) 2012-04-30 2013-11-07 Plastigi Appareil et procédé de moulage par rotation de matière plastique

Also Published As

Publication number Publication date
CN117677479A (zh) 2024-03-08
EP4373650A1 (fr) 2024-05-29
DE102021207763A1 (de) 2023-01-26

Similar Documents

Publication Publication Date Title
DE3803031A1 (de) Verwandelbare vorrichtung zur halterung und positionierung von koerpern, insbesondere von mittels einer messvorrichtung zu vermessenden teilen
EP2937203B1 (fr) Machine et procédé formage par soufflage avec accouplement de sol et/ou côté automatique
EP1021280A1 (fr) Accouplement interchangeable
EP2558230B1 (fr) Tête d'expansion pour élargisseurs, et élargisseur comprenant une telle tête d'expansion
DE3312049C2 (fr)
DE3015485A1 (de) Mit einem steckerventil kuppelbares muffenventil einer schnellverschlusskupplung fuer stroemungsmittelleitungen
WO1986005425A1 (fr) Dispositif de serrage rapide
DE102014107512B4 (de) Blasformeinrichtung mit vorspannbarer Befestigung für Blasformen
EP1005936B1 (fr) Dispositif de chasse par fluide pour cylindre de serrage rapide avec couvercle
WO2023001605A1 (fr) Outil de moulage rotatif
EP0683031A2 (fr) Procédé de fabrication d'objets en plusieurs parties moulés par injection et dispositif pour la mise en oeuvre du procédé
DE2509149C3 (de) Vorrichtung zum Auswechseln einer Blasnadel an einer Blasmaschine zum Herstellen von Hohlkörpern aus Kunststoff
DE3917507C2 (de) Einrichtung zum automatischen Wechseln von Werkzeugen zum Herstellen von Blindnietverbindungen
DE102006037709B4 (de) Schnellspanneinheit, Schnellspannsystem, Maschinen- oder Werkzeugteil und Ur- oder Umformwerkzeug
DE4031307A1 (de) Vorrichtung zur betaetigung von backen, kernen oder aehnlichem als teile eines press- oder spritzwerkzeugs
DE202009008413U1 (de) Werkzeugsystem für eine Umformpresse
EP0139841A1 (fr) Procédé et dispositif pour fabriquer un corps creux en matériel thermoplastique par procédé de soufflage
DE202010002226U1 (de) Vorstrecker mit Schnellwechselkupplung
DE1604437A1 (de) Blasformmaschine zum Herstellen von Plastikrohren
EP3135385B1 (fr) Couvercle d'un recipient de liquide pour un pistolet pulverisateur
DE3624298A1 (de) Gestaengekupplung fuer werkzeuge
DE9307482U1 (de) Klemmbares Kugelgelenk
EP2324988A2 (fr) Dispositif d'éjection pour outils de thermoformage
DE102004056527B3 (de) Formwerkzeug einer Spritzgießmaschine
EP4063101A1 (fr) Moule de soufflage ajustable

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22738697

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202280051382.3

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2022738697

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2022738697

Country of ref document: EP

Effective date: 20240220