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CN-224224332-U - Swinging full-automatic rotational molding machine

CN224224332UCN 224224332 UCN224224332 UCN 224224332UCN-224224332-U

Abstract

The utility model discloses a swinging full-automatic rotational molding machine, which comprises a main frame, a ground track, a transfer vehicle, rotational molding dies and the like, wherein a swinging frame and a heating chamber which are arranged in a swinging way are arranged at the top of the main frame, and upright posts and lifting mechanisms on the upright posts are respectively arranged at two sides of the ground track, so that two support frames and the rotational molding dies can be jointly separated from the transfer vehicle to be lifted or lifted to be loaded on the transfer vehicle by the lifting mechanisms, the lifted rotational molding dies enter a heating chamber from an inlet at the bottom of the heating chamber, supporting shafts at two ends respectively enter opening grooves at two ends of the heating chamber, and the two support frames are detachably locked on the swinging frame by a limiting component, so that the swinging frames can jointly drive swinging, and the rotational molding dies are matched to rotate around the supporting shafts, so that rotational molding materials can be uniformly distributed in the rotational molding dies. The improved structure has the advantages of improving production efficiency, reducing the use requirement of the installation environment, being better suitable for automatic production, ensuring the production quality of rotational molding products and the like.

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 swing full-automatic rotational molding machine comprises a main frame (1) arranged on the ground, a ground track (2) penetrating through the bottom of the main frame, a transfer vehicle (3) running on the ground track and a rotational molding die (4) filled with rotational molding materials, wherein the rotational molding die is respectively rotatably supported on two supporting frames (42) through supporting shafts (41) at two ends and then is loaded on the transfer vehicle (3) through the two supporting frames, and the swing full-automatic rotational molding machine is characterized in that: The top of the main frame (1) is provided with a swinging frame (6) and a heating chamber (7) fixed in the swinging frame, the swinging frame (6) is arranged in the main frame (1) in a swinging way through swinging shafts (61) on two sides, the bottom of the heating chamber (7) is provided with an inlet (71) and a chamber door (72) for opening and closing the inlet, and two ends of the heating chamber (7) are respectively provided with an opening groove (74) with a downward opening and a closing strip (75) for opening and closing the opening groove; The two sides of the ground track (2) are respectively provided with upright posts (5), each side upright post is provided with a lifting mechanism (8), the two supporting frames (42) and the rotational moulding die (4) are separated from the transfer trolley (3) jointly by the lifting mechanisms on the upright posts on the two sides and are reloaded on the transfer trolley (3) jointly by the lifting mechanisms on the lifting mechanisms, when the two supporting frames (42) and the rotational moulding die (4) are lifted and moved jointly, the rotational moulding die is driven to enter the heating chamber (7) from the inlet (71), supporting shafts (41) at the two ends of the rotational moulding die are respectively entered into open grooves (74) at the two ends of the heating chamber, and the two supporting frames (42) are detachably locked on the swinging frame (6) from the limiting component (9), and the swinging frame drives the heating chamber (7), the rotational moulding die (4) in the heating chamber and the two supporting frames (42) on the swinging frame jointly swing in the main frame (1) and cooperate with the rotation of the rotational moulding die (4) around the supporting shafts (41), so that rotational moulding materials are uniformly distributed in the rotational moulding die (4).
  2. 2. The swing full-automatic rotational molding machine according to claim 1, wherein the lifting mechanism (8) comprises a lifting frame (81) and a lifting frame (82) which are installed on the upright post (5) in a lifting sliding manner, a lifting cylinder (83) and a lifting chain (84) which are arranged in the upright post (5), the lifting frame (82) is provided with a pulley (821), the lower end of the lifting chain (84) is fixed at the bottom of the upright post (5), the upper end of the lifting chain is connected to the lifting frame (81) downwards after bypassing the pulley (821) of the lifting frame (82), the lifting cylinder (83) drives the lifting frame (82) to lift along the upright post (5), and the lifting chain (84) is pushed by the pulley (821) to pull the lifting frame (81) to form synchronous lifting.
  3. 3. A rocking full-automatic rotational moulding machine according to claim 2, characterized in that the lifting frame (81) comprises a sliding seat (811) arranged on the inner side surface of the upright (5) in a lifting sliding manner and a pair of fork bars (812) horizontally arranged on the sliding seat, the fork bars are driven to rotate by fork bar cylinders (813) arranged on the sliding seat (811) and are perpendicular to the sliding seat (811) at the same time so as to jointly fork the supporting frame (42), so as to support the supporting frame for lifting movement, or are flatly attached to the sliding seat (811) at the same time so as to jointly separate from the supporting frame (42).
  4. 4. The full-automatic rotational molding machine is characterized in that the swinging frame (6) is a rectangular frame, swinging shafts (61) on two sides of the swinging frame are symmetrically arranged at the centers of two long sides respectively, the swinging frame (6) is supported in a rectangular frame (11) at the top of the main frame (1) in a swinging way through the swinging shafts (61) and enables two short sides of the swinging frame (6) to form swinging ends, an axis connecting line between the swinging shafts (61) on two sides forms a swinging shaft axis, the heating chamber (7) is a regular-eight-prism-shaped chamber horizontally fixed in the swinging frame (6), and open grooves (74) at two ends of the heating chamber (7) correspond to the two swinging ends of the swinging frame (6) respectively.
  5. 5. The rocking full-automatic rotational molding machine according to claim 4, wherein two long sides of the rocking frame (6) are respectively provided with a semicircular driving disc (62), and a driving mechanism (63) for driving the driving disc to rotate reciprocally is arranged below each driving disc.
  6. 6. The rocking full-automatic rotational molding machine according to claim 5, wherein the connecting line between the centers of the two driving disks (62) is parallel to the axis of the rocking shaft of the rocking frame (6) and is on the same vertical plane as the axis of the rocking shaft.
  7. 7. The full-automatic rotational molding machine according to claim 5, wherein the driving mechanism (63) comprises a motor (631) fixed on the swing frame (6) and a sprocket (632) driven by the motor, and further comprises a driving chain (633) surrounding a semicircular outer circumferential surface fixed on the driving plate (62), the sprocket (632) is meshed with the driving chain (633), the motor (631) drives the driving chain (633) through the sprocket (632) and drives the driving plate (62) fixed with the driving chain to form reciprocating rotation, so as to drive the swing frame (6) to form swing.
  8. 8. The full-automatic swing rotational molding machine of claim 1, wherein the limiting assembly (9) comprises a limiting seat (91) and a guide sleeve (92) which are fixed on the swing frame (6), a limiting cylinder (93) and a turnover block (94) are arranged on the limiting seat, a limiting rod (96) which is movably assembled is arranged in the guide sleeve (92), a connecting rod (95) which is hinged with each other is arranged between the rear end of the limiting rod and the turnover block (94), the limiting cylinder (93) pushes the turnover block (94) to turn outwards, the limiting rod (96) is driven by the connecting rod (95) to move forwards along the guide sleeve (92) to be inserted into a lock hole (421) of the supporting frame (42) to form locking, and conversely, the limiting cylinder (93) is retracted to drive the limiting rod (96) to exit from the lock hole (421) to form unlocking.
  9. 9. The swing full-automatic rotational molding machine according to claim 1, wherein a plurality of air coolers (10) are arranged on one side of the transfer trolley (3), and the air coolers (10) are directly opposite to the rotational molding die (4) for blowing cold air.
  10. 10. The swing full-automatic rotational molding machine according to claim 1, wherein the main frame (1) is a frame structure composed of a rectangular frame (11) and four supporting legs (12) respectively supported at four corners of the rectangular frame.

Description

Swinging full-automatic rotational molding machine Technical Field The utility model relates to a rotational molding machine, in particular to a swinging full-automatic rotational molding machine. Background At present, after the rotational molding die loaded by the transfer trolley is carried to a heating station, the rotational molding die is often required to be loaded into a heating chamber from the top of the heating chamber in a lifting mode, or the transfer trolley and the heating chamber are arranged on a ground track, the heating chamber is designed to be opened laterally, and then the transfer trolley can send the rotational molding die into the heating chamber through the laterally opened door along the ground track. However, the hoisting mode has the defects that firstly, the rotational molding die is difficult to accurately enter a heating chamber, certain potential safety hazards such as unhooking and the like exist in the hoisting process, thirdly, the transportation process and the heating process of the rotational molding die are difficult to link up with automatic production processes to influence the production efficiency, then, the side edge of a transfer trolley enters the heating chamber, although the hoisting is omitted, the heating chamber is similar to a house covering mode, the ground where the heating chamber is located and the ground track entering the heating chamber are influenced by heating temperature, so that higher use requirements are provided for the installation environment of the heating chamber, in addition, the rotational molding die can only distribute internal rotational molding materials in the heating chamber in a self-rolling mode, in actual use, the rotational molding die only rolls, but the rotational molding materials are accumulated at two ends of the rotational molding die, so that the distribution uniformity of the rotational molding materials in the rotational molding die cannot be better ensured, and the production quality of rotational molding products is influenced 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 can improve the production efficiency, reduce the use requirement of the installation environment, is better suitable for automatic production and ensures the production quality of rotational molding products. The technical problems of the utility model are realized by the following technical scheme: A swinging full-automatic rotational molding machine comprises a main frame, a ground track, a transfer vehicle and rotational molding dies, wherein the main frame is arranged on the ground, the ground track penetrates through the bottom of the main frame, the transfer vehicle runs on the ground track, the rotational molding dies are internally provided with rotational molding materials, the rotational molding dies are respectively rotatably supported on two support frames through supporting shafts at two ends and then are loaded on the transfer vehicle through the two support frames, a swinging frame and a heating chamber are arranged at the top of the main frame and fixed in the swinging frame, the swinging frame is arranged in the main frame through swinging shafts at two sides, an inlet and a chamber door for opening and closing the inlet are arranged at the bottom of the heating chamber, opening grooves with openings facing downwards and opening and closing the opening grooves are respectively arranged at two ends of the heating chamber, upright posts are respectively arranged at two sides of the ground track, lifting mechanisms on each side upright post are respectively arranged, the two support frames and the rotational molding dies are jointly separated from the transfer vehicle to move upwards or jointly move downwards and are reloaded on the transfer vehicle, when the two support frames and the rotational molding dies are jointly moved upwards, the two support frames and the rotational molding dies are driven to enter the heating chamber through the swinging frame through the swinging shafts, the opening grooves are respectively arranged at two support frames and the two ends of the heating chamber, the two rolling molding dies are jointly driven by the swinging frame to rotate, and the two rolling molding dies are jointly driven by the supporting frames to rotate around the opening grooves and the opening grooves to form the opening grooves, and the opening and the rotational molding die. The lifting mechanism comprises a lifting frame and a lifting frame which are installed on the upright post in a lifting sliding manner, and a lifting cylinder and a lifting chain which are arranged in the upright post, wherein the lifting frame is provided with a pulley, the lower end of the lifting chain is fixed at the bottom of the upright post, the upper end of the lifting chain bypasses the pulley of the lifting frame and then is downwards conne