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
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/64—Mould opening, closing or clamping devices
  • B29C45/67—Mould opening, closing or clamping devices hydraulic
• • 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
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
• • 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
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/64—Mould opening, closing or clamping devices
  • B29C45/66—Mould opening, closing or clamping devices mechanical
  • B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould 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
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/64—Mould opening, closing or clamping devices
  • B29C45/66—Mould opening, closing or clamping devices mechanical
  • B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
  • B29C2045/662—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping using toggles directly connected or linked to the fixed platen and indirectly to the movable platen
• • 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
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/1751—Adjustment means allowing the use of moulds of different thicknesses

Definitions

• the invention relates to an injection molding machine for processing plastics and other plasticizable materials according to the preamble of claim 1.
• Such a mold clamping unit is known for example from DE 69 12 191 U1, in particular Figure 1, in which the stationary mold carrier at the same time carries the drive unit for the mold clamping unit.
• this drive unit is used in the positive locking of the movable mold carrier to the stationary mold carrier,
• a mold clamping unit in which a movable mold carrier is moved on a stationary mold carrier to and from this via a Y toggle mechanism.
• the mold clamping unit is supported on a machine frame via a bearing of a force-transmitting element.
• the force transmitting member is guided around the mold cavity as a bracket to allow free access to the mold cavity, but otherwise hinged at both ends of the mold clamping unit to be deformed outside the central mold clamping unit at each cycle. Disclosure of the invention
• the present invention seeks to provide a space-saving injection molding machine.
• the machine frame itself is designed as a stationary mold carrier against which the entire mold including the support element is movable. Although this increases the masses to be moved, but at the same time allows a space-saving construction, especially in a vertical arrangement.
• the injection molding machine for integrating the injection molding process as a single process can be incorporated into a sum of manufacturing steps more easily. This is particularly necessary in the manufacture of complex components such as in the cable end design, as used for example as connectors or sealing systems in the automotive sector or as injection systems in the processing of, for example, continuous material such as electrical contacts.
• a bracket can be used, which allows the construction of a free space system in the tool area.
• the injection molding machine can be integrated even better into existing manufacturing systems, since a passage of the material coming from other processes through the tool area is readily possible.
• the length of the bracket can be kept short, so that it comes to lower off-center strains.
• FIG. 3 shows the injection molding machine according to FIG. 1 in a side view
• FIG. 4 shows the injection molding machine according to FIG. 1 in a front view
• FIG. 6 shows a view of an injection molding machine according to FIG. 3 in a further embodiment
• FIG. 7 the injection molding machine of FIG. 6 in a front view without injection mold and without machine frame.
• the injection molding machine shown in the figures is used for the processing of plastics and other plasticizable materials such as powder or ceramic masses.
• it is shown as a vertical machine, so that the closing direction ss is vertical.
• the machine can also be used horizontally.
• the machine is especially intended to be integrated into other manufacturing processes.
• the injection molding technique is Lich a sub-step of a manufacturing process, as in particular for the manufacture of complex components such as the cable end design, for example, in the production of connectors or sealing systems in vehicle construction or as injection systems in the processing of, for example, of endless belt material for electrical contacts required lent.
• the elements of the injection molding machine are arranged, which in particular comprise at least one injection molding unit S, S 'and a mold clamping unit F.
• injection molding unit S and mold closing unit F are in operative connection with the machine frame 10.
• the mold clamping unit F comprises a stationary element and a mold carrier 12 guided in the closing direction ss in and out of positive locking.
• the mold clamping unit F is for moving the movable mold carrier 12 with the stationary element as well as at least one force transmission element with the movable mold carrier 12 in operative connection.
• the machine frame 10 or at least a part thereof is at the same time designed as a stationary element or as a stationary mold carrier 13. In the exemplary embodiment, this is the horizontal upper side of the machine frame 10.
• This machine frame is therefore the only stationary element against which all other elements of at least the mold clamping unit are movable as movable positive locking and are preferably also guided on the guide elements 11.
• the guide elements 11 are in the exemplary embodiment stationary guide rails which also serve as support bars for the upper parts of the injection molding machine.
• these guides it is also possible to provide linear guides in which guide shoes engage in guide strips.
• These guide elements 11 need not be stationary. They can also be moved with the positive locking, if they are e.g. in turn slid down into sleeves.
• the mold clamping unit F engages with its one end on the stationary element and is mounted with its other end on a support plate 14 which is moved along the guide elements in the embodiment in the vertical direction upon actuation of the drive means A.
• At least one force transmission element which is connected at the other end to the movable mold carrier 12, which is likewise guided on the guide elements 11, is connected to this support element 14.
• the power transmission elements can also be performed on the guide elements 11 as needed.
• additional guide elements could be provided for the movable mold carrier.
• this construction leads to the fact that the entire form-fit and optionally also the injection molding unit S must be moved at each cycle, but on the other hand it is a fixed, easy to integrate in a manufacturing process free surface as a horizontal fixed point through the top of the machine frame 10 or in the parting plane of the tool to which the remaining manufacturing processes are easier to align.
• the mold clamping unit F includes a toggle mechanism Y as a drive mechanism, but other drive mechanisms such as hydraulic, electrical or combinations of such drives or even linear drives could be provided as a drive.
• the structure of the toggle mechanism is most clearly shown in Fig. 3.
• the toggle mechanism Y is hinged at one end to the machine frame 10 or on the stationary element. In the exemplary embodiment, the articulation takes place below the stationary mold carrier 13, that is, below the upper side of the machine frame.
• the toggle mechanism Y is connected in an articulated manner to the support plate 14 connected to the force transmission element and movable in the closing direction s-s.
• the support element 14 is guided on the guide elements 11, which also serve as a guide in the upper region of the movable mold carrier 12.
• the Y-toggle lever has a connecting element 19 on which the drive device A is arranged, for example in the form of a hollow shaft motor.
• This connecting element is connected via two articulation points 27,28 with holding elements 22,23, which are attached to the articulation points 20,21 of the toggle lever 30,31 of the toggle mechanism Y.
• These articulation points are the articulation points on the stationary element and on the support plate 14.
• the drive device A is thus articulated by means of the holding elements 22, 23 and is arranged transversely to the closing direction ss and kept freely movable by the knee lifting mechanism Y. If the drive device A is actuated, the drive element 24 is thereby moved transversely to the closing direction ss, which leads to an extended position in the case of positive locking, as shown in the figures.
• bracket 15 may also be arranged so that they engage in the machine frame 10 below and yet are free to move. This is especially the case when e.g. the guide elements 11 are moved further outwards, so that in the middle of the space for the bracket 15 is formed. Such an arrangement also contributes to the greatest possible power transmission.
• the force transmission element is a separate, by the substantially occurring forces in the closed mold M forces deformable bracket 15.
• the bracket 15 is guided around the mold clamping C around which is formed between the movable mold carrier 12 and stationary mold carrier 13.
• the force transmission element is formed here by two brackets 15 arranged on both sides of the mold clamping space, which are articulated on the one hand to the movable mold carrier 12 and on the other hand to a connecting element 16 which is connected to the support plate 14.
• the length of the connecting element 16 is variable by a Form Herenverstell driving 18, thereby adapting an adjustment of the toggle lever to different heights, so adapt the dimensions of the recordable in the mold clamping tools in the closing direction ss.
• the parts of the connecting element 16 can be adjusted in the longitudinal direction relative to one another.
• a mold height adjusting device is known to the person skilled in the art, so that it will not be described further here.
• the injection molding units two of which are indicated schematically in the figures, can be arranged in different ways on the mold closing unit F of the injection molding machine.
• One possibility is to arrange the injection molding unit S at the top of the movable mold carrier 12 and to move it with the movable mold carrier 12.
• Another possibility is to arrange, for example, for injection into the parting plane of the tool M, the injection molding unit S 1 between the guide elements 11, wherein it can also be fixedly attached to these guide elements. If several injection molding units are required due to the purpose of use, these arrangements can also be combined.
• Figures 6 and 7 show a further embodiment of the injection molding machine, wherein the elements are denoted in both embodiments substantially with the same reference numerals.
• the main differences from the first embodiment of FIGS. 1 to 5 are based on the type of drive A, here hydraulically, there toggle mechanism and the articulation on the machine frame. While in the first embodiment, the Y-toggle engages laterally in the machine frame, in the second embodiment, the mold closing unit F is attached to the machine frame 10 indicated on the right in FIG. 6 via a bracket 40, at which point also a known drawing not shown Swing mechanism may be provided to selectively operate the mold clamping unit vertically - as shown in the figures - or horizontally. Nevertheless, here too the stationary mold carrier is the fixed point, opposite to which the entire mold clamping unit moves upon actuation of the hydraulic drive A.
• An end plate 33 of the cylinder of the hydraulic drive unit A is clamped to the support plate 14 via bolts 39.
• the position of the drive unit relative to the support plate and with respect to the mold carriers is to achieve a plate parallelism of stationary mold carrier 13 and movable mold carrier 12 via adjusting devices 18 'adjustable. If the drive unit is actuated, it moves with the support plate 14 to the articulation point 17 'and thus moves the bracket 15 and the movable mold carrier 12.
• the support plate moves in this movement along the guide 41 and takes so to speak articulation point 17', bracket 15 and movable mold carrier 12 with.
• the articulation point 38 shows the connection of the piston rod of the drive unit A with the stationary mold carrier 13.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Mechanical Engineering (AREA)
• Moulds For Moulding Plastics Or The Like (AREA)
• Injection Moulding Of Plastics Or The Like (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=36746036

Family Applications (1)

Country Status (7)

Families Citing this family (5)

Citations (9)

Family Cites Families (3)

• 2005
  • 2005-02-11 DE DE102005006596A patent/DE102005006596B4/de not_active Expired - Fee Related
• 2006
  • 2006-02-07 WO PCT/EP2006/001078 patent/WO2006084668A1/de not_active Ceased
  • 2006-02-07 US US11/815,892 patent/US7854606B2/en active Active
  • 2006-02-07 JP JP2007554492A patent/JP4875629B2/ja not_active Expired - Lifetime
  • 2006-02-07 CA CA2596974A patent/CA2596974C/en not_active Expired - Lifetime
  • 2006-02-07 EP EP06706722A patent/EP1848577B1/de not_active Expired - Lifetime
  • 2006-02-07 DE DE502006002578T patent/DE502006002578D1/de not_active Expired - Lifetime
  • 2006-02-07 AT AT06706722T patent/ATE419969T1/de active

Patent Citations (9)

Non-Patent Citations (2)

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