A rotational molding automatic loading and unloading mold device

Abstract

The present invention relates to an automatic mold loading and unloading device for rotational molding, comprising a gantry assembly, a loading and unloading manipulator arranged on the gantry assembly, a turntable positioning mechanism correspondingly arranged below the loading and unloading manipulator, and an upper mold conversion platform correspondingly arranged on one side of the turntable positioning mechanism. The automatic mold loading and unloading device for rotational molding can realize the automatic installation and disassembly of the rotational molding mold through the mutual cooperation of the gantry assembly, the loading and unloading manipulator and the turntable positioning mechanism, replaces manual labor, greatly reduces the labor intensity of operators, and ensures the safety of production.

Description

Technical field:

[0001] The invention relates to the technical field of molds, and in particular to an automatic rotational molding mold loading and unloading device. Background technology:

[0002] Roto-molding is a unique process for forming hollow plastic products, including roto-molding of dry powders such as PE, slush molding of PVC paste resins, and roto-molding of liquid monomer polymerization. First, the powder, paste or monomer material is injected into the mold, and the mold is heated and rotated on both axes so that the material is evenly distributed in the mold cavity and melted by its own gravity. After cooling, the hollow product is demoulded.

[0003] Existing rotational molding molds are installed and disassembled manually or by crane during the processing process, which is very inconvenient, requires a lot of labor intensity from the operators, and poses a safety hazard. Summary of the invention:

[0004] The purpose of the present invention is to provide a rotational molding automatic loading and unloading mold device which is simple and convenient to operate, has a high degree of automation and can greatly reduce the labor intensity of workers.

[0005] The present invention is achieved through the following technical solutions:

[0006] A rotational molding automatic loading and unloading mold device, comprising a gantry assembly, a loading and unloading manipulator arranged on the gantry assembly, a turntable positioning mechanism correspondingly arranged below the loading and unloading manipulator, and an upper mold conversion platform correspondingly arranged on one side of the turntable positioning mechanism;

[0007] The loading and unloading manipulator comprises a combined mounted sliding seat, a Z-axis lifting rod, a Z-axis driving assembly, a mold opening and closing manipulator assembly, a material picking manipulator assembly and an insert manipulator assembly. The combined mounted sliding seat slides horizontally along the guide rail on the top crossbeam of the gantry assembly. The Z-axis lifting rod is slidably connected to the combined mounted sliding seat. The Z-axis driving assembly is connected to the Z-axis lifting rod and can drive the Z-axis lifting rod to move up and down. The mold opening and closing manipulator assembly comprises a top mold frame and a bottom mold frame. The top mold frame is fixed to the bottom end of the Z-axis lifting rod, and the bottom mold frame is fixed to the bottom end of the top mold frame. The material picking manipulator assembly and the insert manipulator assembly are respectively fixed on both sides of the bottom end of the Z-axis lifting rod. The material picking manipulator assembly comprises a flip cylinder and a suction cup arranged at the bottom end of the flip cylinder. The insert manipulator assembly comprises a clamping cylinder and a clamping claw arranged at the bottom end of the clamping cylinder.

[0008] The turntable positioning mechanism comprises a rotary correction assembly and a turntable arranged on the rotary correction assembly, and the rotary correction assembly can drive the turntable to rotate.

[0009] Preferably, a finished product transfer station is also provided on one side of the turntable positioning mechanism.

[0010] In order to further increase the moving range of the manipulator, the gantry assembly includes a ground rail and a gantry slidably connected along the ground rail.

[0011] In order to facilitate the clamping of the rotational molding automation mold, a plurality of clamping mechanisms are arranged in the bottom mold frame.

[0012] In order to store the inserts, a material tray is arranged on the upper mold conversion platform.

[0013] Preferably, a tool warehouse for a manipulator and an automatic rotational molding box are provided on one side of the rotary correction assembly; correspondingly, a mold installation and disassembly manipulator is provided on one side of the tool warehouse for a manipulator and the automatic rotational molding box.

[0014] The beneficial effect of the present invention is that the automatic roto-molding mold loading and unloading device can realize the automatic installation and disassembly of roto-molding molds through the mutual cooperation of the gantry assembly, the loading and unloading manipulator and the turntable positioning mechanism, replacing manual labor, greatly reducing the labor intensity of operators and ensuring production safety. Description of the drawings:

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the rotational molding automatic loading and unloading mold device of the present invention;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the loading and unloading manipulator and the turntable positioning mechanism of the present invention;

[0017] Figure 3 It is a schematic diagram of the partial structure of the loading and unloading robot of the present invention. Specific implementation method:

[0018] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only referenced to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, rather than to limit the present invention.

[0019] like Figure 1-3The rotomolding automatic loading and unloading mold device shown in the figure includes a gantry assembly, a loading and unloading manipulator arranged on the gantry assembly, a turntable positioning mechanism correspondingly arranged below the loading and unloading manipulator, and an upper mold conversion platform 5 correspondingly arranged on one side of the turntable positioning mechanism, a material tray 6 is arranged on the upper mold conversion platform 5, and a finished product transfer station 7 is also arranged on one side of the turntable positioning mechanism. The gantry assembly includes a ground rail 1 and a gantry slidably connected along the ground rail 1, the gantry includes two columns 2 perpendicular to the ground rail 1, and a crossbeam 3 fixed at the top of the column, and the loading and unloading manipulator is slidably connected along the crossbeam 3.

[0020] Combination Figure 2 , Figure 3 As shown, the loading and unloading manipulator includes a combined sliding seat 4, a Z-axis lifting rod 8, a Z-axis driving assembly 9, a mold opening and closing manipulator assembly, a material picking manipulator assembly and an insert manipulator assembly. The combined sliding seat 4 slides horizontally along the guide rail on the top crossbeam of the gantry assembly, the Z-axis lifting rod 8 is slidably connected to the combined sliding seat 4, the Z-axis lifting rod 8 is fixed with a rack 10 along its length direction, the Z-axis driving assembly 9 drives the Z-axis lifting rod 8 up and down through the gear and the rack 10, the mold opening and closing manipulator assembly includes a top mold frame 11 and a bottom mold frame 13, the top mold frame 12 is fixed to the bottom end of the Z-axis lifting rod 8, the bottom mold frame 13 is fixed to the bottom end of the top mold frame 11, and a plurality of clamping mechanisms 14 are arranged in the bottom mold frame 13, and the clamping mechanisms 14 can clamp the rotational molding automation mold 12. The material-retrieving manipulator assembly and the insert manipulator assembly are respectively fixed on both sides of the bottom end of the Z-axis lifting rod. The material-retrieving manipulator assembly includes a flip cylinder 21 and a suction cup 22 arranged at the bottom end of the flip cylinder 21, and the insert manipulator assembly includes a clamping cylinder 19 and a clamping claw 20 arranged at the bottom end of the clamping cylinder 19. The turntable positioning mechanism includes a rotary correction assembly 16 and a turntable 15 arranged on the rotary correction assembly 16, and the rotary correction assembly 16 can drive the turntable 15 to rotate. A tool warehouse 17 for the manipulator and a rotational automatic material box 18 are arranged on one side of the rotary correction assembly 16, and a mold installation and disassembly manipulator 23 is arranged on one side of the tool warehouse 17 for the manipulator and the rotational automatic material box 18, and a four-axis tool manipulator with three straight and one rotation is adopted.

[0021] During processing, the gantry moves along the ground rail 1, and the power system drives the loading and unloading manipulators to descend to grab the mold on the upper mold conversion platform 5, and then send it to the turntable 15 through translation and lifting, and each manipulator assembly assembles the mold.

[0022] In addition, in the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "set", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A rotational molding automatic loading and unloading mold device, characterized in that: The present invention relates to a method for controlling the mold opening and closing of a mold by a plurality of control arms, wherein the control arm has a plurality of control arms, and the control arm has a plurality of control arms. The method comprises: The tool frame is fixed to the bottom end of the top mold frame, the material picking robot assembly and the insert robot assembly are respectively fixed on both sides of the bottom end of the Z-axis lifting rod, the material picking robot assembly includes a flip cylinder and a suction cup arranged at the bottom end of the flip cylinder, and the insert robot assembly includes a clamping cylinder and a clamping claw arranged at the bottom end of the clamping cylinder; the turntable positioning mechanism includes a rotary correction assembly and a turntable arranged on the rotary correction assembly, and the rotary correction assembly can drive the turntable to rotate; a plurality of clamping mechanisms are arranged in the bottom mold frame, and the clamping mechanism can clamp the rotational molding automation mold; a tool warehouse for the robot and a rotational molding automatic material box are arranged on one side of the rotary correction assembly; a mold installation and disassembly robot is arranged on one side of the tool warehouse for the robot and the rotational molding automatic material box.

2. The automatic rotomolding mold loading and unloading device according to claim 1, characterized in that: A finished product transfer station is also arranged on one side of the turntable positioning mechanism.

3. The automatic rotomolding mold loading and unloading device according to claim 1 is characterized in that: The gantry assembly comprises a ground rail and a gantry slidably connected along the ground rail.

4. The automatic rotomolding mold loading and unloading device according to claim 1 is characterized in that: A material tray is arranged on the upper mold conversion platform.

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