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CN-224224335-U - Heating chamber of rotational molding die

CN224224335UCN 224224335 UCN224224335 UCN 224224335UCN-224224335-U

Abstract

The utility model discloses a rotational molding die heating chamber, which comprises a cavity which is horizontally arranged and is in a polygonal prism shape, wherein an inlet for the rotational molding die to enter and exit and chamber doors symmetrically hinged to two sides of the inlet are arranged at the bottom of the cavity, the chamber doors on the two sides realize synchronous opening and closing through a driving mechanism, the chamber doors on the two sides simultaneously rotate outwards to open the inlet or simultaneously rotate inwards to close the inlet so as to form a closed heating space in the cavity, a heating device is arranged at the top of the cavity, the heating device supplies heat to the cavity and heats the rotational molding die entering the cavity, the improved heating chamber can be lifted and installed, and then the rotational molding die can be moved in and out from the inlet at the bottom of the cavity by matching with a lifting mechanism, so that the rotational molding die can be moved in and out more conveniently by adopting a complex lifting mode, the ground installation can be avoided, the use requirement of an installation environment can be reduced, the rotational molding die can be perfectly linked, the automatic production can be better, and the production efficiency can be greatly improved.

Inventors

  • LUO HONGYU
  • Luo Mengsha
  • HU FANG

Assignees

  • 宁波雷人塑料科技有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. The utility model provides a rotational moulding mould heating chamber which characterized in that: Comprises a cavity (1) which is horizontally arranged and takes the shape of a polygonal prism; An inlet (11) for the rotational molding die to enter and exit and a chamber door (5) symmetrically hinged at two sides of the inlet are arranged at the bottom of the cavity (1); The room doors (5) on the two sides are synchronously opened and closed through the driving mechanism (3), and the room doors (5) on the two sides simultaneously rotate outwards to open the inlet (11) or simultaneously rotate inwards to close the inlet (11) so as to form a closed heating space in the cavity (1); The top of the cavity (1) is provided with a heating device (2), and the heating device provides heat for the cavity (1) and heats the rotational molding die entering the cavity (1).
  2. 2. A rotational moulding mould heating chamber according to claim 1, characterized in that the cavity (1) is a regular eight prism structure arranged horizontally, the inlet (11) comprises a main inlet (111) arranged on the bottom surface of the regular eight prism and two auxiliary inlets (112) respectively arranged on the bottom inclined surface of the regular eight prism, and the two auxiliary inlets are symmetrically arranged with the main inlet as the center and are connected with the main inlet (111) into a whole.
  3. 3. A rotomoulding mould heating chamber according to claim 2, characterized in that the chamber door (5) comprises a main chamber door (51) which opens and closes the main inlet (111) and a secondary chamber door (52) which opens and closes the secondary inlet (112).
  4. 4. A rotational molding mold heating chamber according to claim 3, wherein the main chamber door (51) is formed by splicing two half doors (511), the upper side edge of the auxiliary chamber door (52) of each auxiliary inlet (112) is hinged on the regular eight-prism side face of the cavity (1), the lower side edge of the auxiliary chamber door is hinged with the upper side edge of the adjacent half door (511), the two half doors (511) simultaneously rotate outwards to open the main inlet (111) and then cooperate with the two auxiliary chamber doors (52) to simultaneously rotate outwards to open the two auxiliary inlets (112), and the two auxiliary chamber doors (52) simultaneously rotate inwards to close the two auxiliary inlets (112) and cooperate with the two half doors (511) to simultaneously rotate inwards to close the main inlet (111).
  5. 5. A rotomoulding mould heating chamber according to claim 3, characterized in that the driving mechanism (3) is constituted by a main driving cylinder (31) driving the main door (51) to open and close the main inlet (111) and a secondary driving cylinder (32) driving the secondary door (52) to open and close the secondary inlet (112).
  6. 6. The rotational molding mold heating chamber according to claim 5, wherein the upper end of the main driving cylinder (31) is hinged on the auxiliary chamber door (52), the lower end of the main driving cylinder is hinged on the overturning seat (4) of the half door (511), the main driving cylinder (31) is retracted and drives the half door (511) to rotate outwards through the overturning seat (4) to open the main inlet (111) or the main driving cylinder (31) is extended and drives the half door (511) to rotate inwards through the overturning seat (4) to close the main inlet (111), the upper end of the auxiliary driving cylinder (32) is hinged on the end face of the cavity (1), the lower end of the auxiliary driving cylinder is hinged on the auxiliary chamber door (52), and the auxiliary driving cylinder (32) is extended and pushes the auxiliary chamber door (52) to rotate outwards to open the auxiliary inlet (112) or the auxiliary driving cylinder (32) is retracted and drives the auxiliary chamber door (52) to rotate inwards to close the auxiliary inlet (112).
  7. 7. The heating chamber of a rotational molding die according to claim 1, wherein the end surfaces of the two ends of the cavity (1) are respectively provided with an open slot (12), the open slot of each end surface is an inverted U-shaped straight slot with a closed upper end and a penetrating lower end, and the axial line of the open slot (12) is overlapped with the vertical central line of the end surface.
  8. 8. The heating chamber of a rotational molding die according to claim 7, wherein two sides of the open slot (12) are respectively provided with a vertically arranged open-close strip (6), the upper ends of the open-close strips at the two sides are hinged, the lower ends of the open-close strips (6) are opened and closed, the lower ends of the two open-close strips (6) rotate inwards around the hinge point at the upper end to close the open slot (12), and the lower ends of the two open-close strips (6) rotate outwards around the hinge point at the upper end to separate and open the open slot (12).
  9. 9. A rotational moulding mould heating chamber according to claim 7, characterized in that the opposite surfaces of the two opening and closing strips (6) are respectively provided with a semicircular notch (611), when the two opening and closing strips (6) are closed to close the open slot (12), the two notches (611) are driven to be buckled with each other to form a round hole (61), the closing line of the two opening and closing strips (6) is parallel to the axial line of the open slot (12), and the round hole (61) is positioned at the upper end of the open slot (12).
  10. 10. A rotomoulding mould heating chamber according to claim 1, characterized in that the heating means (2) comprise a combustion chamber (21) arranged at the top of the chamber (1), on which combustion chamber a burner (22) and a circulation fan (23) are arranged, and in that the burner (22) provides heat to the combustion chamber (21), and in that the circulation fan (23) transfers heat from the combustion chamber (21) to the chamber (1).

Description

Heating chamber of rotational molding die Technical Field The utility model relates to a heating chamber, in particular to a heating chamber of a rotational molding die. Background The traditional heating chamber for heating the rotational molding die mainly adopts a side-opening structure, namely an inlet for the rotational molding die to enter and exit is arranged on the side surface of the heating chamber, the rotational molding die can enter the heating chamber through translation of a transfer trolley along a ground track, the whole heating process is convenient, but the ground surface of the heating chamber and the ground track entering the heating chamber are heated, so that higher use requirements are provided for the installation environment of the heating chamber, and a top-opening structure is adopted, namely the inlet for the rotational molding die to enter and exit is arranged at the top of the heating chamber. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide the rotational molding die heating chamber which is convenient for the rotational molding die to enter and exit, reduces the use requirement of the installation environment and can be better suitable for automatic production. The technical problems of the utility model are realized by the following technical scheme: The heating chamber of the rotational molding die comprises a cavity which is horizontally arranged and is in a polygonal prism shape, an inlet for the rotational molding die to enter and exit and chamber doors symmetrically hinged to two sides of the inlet are arranged at the bottom of the cavity, the chamber doors on the two sides are synchronously opened and closed through a driving mechanism, the chamber doors on the two sides simultaneously rotate outwards to open the inlet or simultaneously rotate inwards to close the inlet so as to form a closed heating space in the cavity, and a heating device is arranged at the top of the cavity and is used for providing heat for the cavity and heating the rotational molding die entering the cavity. The cavity is of a regular eight-prism structure which is horizontally arranged, the inlet comprises a main inlet and two auxiliary inlets, the main inlet is arranged on the bottom surface of the regular eight-prism, the two auxiliary inlets are respectively arranged on the bottom inclined surface of the regular eight-prism, and the two auxiliary inlets are symmetrically arranged with the main inlet as the center and are connected with the main inlet into a whole. The chamber door comprises a main chamber door for opening and closing the main inlet and an auxiliary chamber door for opening and closing the auxiliary inlet. The main chamber door is formed by splicing two half doors, the upper side edge of the auxiliary chamber door of each auxiliary inlet is hinged to the side face of the regular eight prism of the cavity, the lower side edge of the auxiliary chamber door is hinged to the upper side edge of the adjacent half door, the two half doors simultaneously rotate outwards to open the main inlet, then the two auxiliary chamber doors are matched with the two auxiliary chamber doors to simultaneously rotate outwards to open the two auxiliary inlets, the two auxiliary chamber doors simultaneously rotate inwards to close the two auxiliary inlets, and then the two half doors are matched with the two auxiliary chamber doors to simultaneously rotate inwards to close the main inlet. The driving mechanism consists of a main driving cylinder for driving the main door to open and close the main inlet and an auxiliary driving cylinder for driving the auxiliary door to open and close the auxiliary inlet. The upper end of the auxiliary driving cylinder is hinged to the end face of the cavity, the lower end of the auxiliary driving cylinder is hinged to the auxiliary chamber door, the auxiliary driving cylinder extends outwards and pushes the auxiliary chamber door to rotate outwards to open the auxiliary inlet or the auxiliary driving cylinder contracts inwards and drives the auxiliary chamber door to rotate inwards to close the auxiliary inlet. The end faces of the two ends of the cavity are provided with open grooves, the open groove of each end face is an inverted U-shaped straight groove with the upper end closed and the lower end penetrating, and the axial lead of the open groove is overlapped with the vertical central line of the end face. The two sides of the open slot are respectively provided with a vertically arranged open-close strip, the upper ends of the open-close strips on the two sides are hinged, the lower ends of the open-close strips are opened and closed, the lower ends of the two open-close strips rotate inwards around the hinge point of the upper end and are closed, and the lower ends of the two open-close strips rotate outwards around the hinge point of the upper end and are separated to open the open slot. The opposite su