Polymer extrusion linkage control equipment

Abstract

The utility model relates to the technical field of extrusion equipment, in particular to polymer extrusion linkage control equipment, which comprises an extruder, a sliding rail arranged at the bottom of the extruder, a sliding rod arranged on the sliding rail and sliding along the sliding rail, and a cooling device connected to the tail end of the sliding rod. One side of the cooling chamber is provided with an inlet for a mold to enter, an outer layer plate on the outer side of the cooling chamber, the outer layer plate and the cooling chamber are separated to form a separation cavity, the fan is communicated with the separation cavity through an air pipe, the wall of the cooling chamber is provided with a plurality of air blowing holes to enable air blown by the fan to enter the cooling chamber from the separation cavity, and the air blowing holes are gradually narrowed from the starting end to the tail end; the sliding rod slides to drive the cooling chamber of the cooling device to move to wrap the mold, the draught fan blows air to the interval cavity, and the air is blown to the cooling chamber through the air blowing holes to cool the mold wrapped in the cooling chamber. As the mold is not cooled by water, the mold can still be kept in a dry state after being cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of extrusion equipment, in particular to polymer extrusion linkage control equipment. Background Art

[0002] Polymers, also known as macromolecular compounds, are common polymers in life. Plastic processing requires the use of extrusion equipment. The existing extrusion equipment includes a first frequency converter and a second frequency converter. The first frequency converter is connected to a feed motor, and the second frequency converter is connected to an extrusion motor. The first frequency converter and the second frequency converter are electrically connected to each other and exchange data, so that the extrusion motor and the feed motor can easily achieve speed matching and achieve the linkage speed regulation function. The extrusion equipment can also be called an extrusion linkage control device because it has a linkage speed regulation function. The working process of the extrusion equipment is: the plastic melts into a viscous flow state at high temperature in the extrusion equipment, passes through the mold, and forms a continuous product with a cross-section consistent with the shape of the mold. If the extrusion equipment needs to extrude another shape of product, the mold must be replaced manually, and it must be replaced after the mold cools down. To this end, a nozzle can be used to spray cooling water on the mold to cool the mold, but this will wet the mold, causing its surface to rust or corrode easily. Utility Model Content

[0003] The utility model aims to provide a polymer extrusion linkage control device, which can cool down the mold after extruding a product of a certain shape through its own mold, and can keep dry after cooling down.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a polymer extrusion linkage control device, including an extruder and an extrusion motor for stirring the plastic inside the extruder, the feed port of the extruder is provided with a feed hopper, a feed motor is provided above the feed hopper, and a rotating shaft connected to the feed motor is provided in the feed hopper; the discharge port of the extruder is connected to an extrusion bin through a lower hopper, a cylinder is provided on one side of the extrusion bin and a mold is provided on the other side, and the cylinder squeezes the plastic to pass through the mold to form; the feed motor is electrically connected to a first frequency converter, the extrusion motor is electrically connected to a second frequency converter, the first frequency converter is electrically connected to the second frequency converter, and the extruder comprises a controller electrically connected to the first frequency converter and the second frequency converter, A slide rail is provided at the bottom of the machine, a slide rod sliding along the slide rail is provided on the slide rail, a cooling device is connected to the end of the slide rod, the equipment is provided with a fan, the cooling device comprises a cooling chamber for wrapping the mold, an entrance is provided on one side of the cooling chamber for the mold to enter, an outer plate is provided on the outer side of the cooling chamber, the outer plate and the cooling chamber are separated to form a partition cavity, the fan is connected to the partition cavity through an air duct, a plurality of blowing holes are provided on the wall of the cooling chamber to allow the wind blown by the fan to pass from the partition cavity into the cooling chamber, and the blowing holes are gradually narrowed from the beginning to the end; the slide rod slides to drive the cooling chamber of the cooling device to move to the wrapped mold, the fan blows air into the partition cavity, and the wind is blown to the cooling chamber through the blowing holes to cool the mold wrapped in the cooling chamber.

[0005] Preferably, a rotating shaft connected to the feeding motor is provided in the feeding hopper.

[0006] Preferably, a driving motor is provided on one side of the slide rail, and the controller is electrically connected to the driving motor and the fan. The driving motor drives the slide bar to slide and drives the cooling chamber of the cooling device to move to the wrapping mold.

[0007] Preferably, a switch electrically connected to the controller is provided on the top of the extruder.

[0008] Preferably, a feeding hopper is provided above the feeding hopper and beside the feeding motor.

[0009] Preferably, a cooling water tank is provided below the extrusion die.

[0010] Preferably, a trumpet-shaped baffle is provided on the top outer edge of the water tank.

[0011] The beneficial effects of the utility model are:

[0012] After the polymer extrusion linkage control device extrude a product of a certain shape, the slide bar slides, driving the cooling chamber of the cooling device to move to the wrapped mold. Then the fan is started, and the fan blows air into the interval cavity, forming wind with a certain pressure in the interval cavity. The wind is blown to the cooling chamber through the blowing hole. Since the blowing hole gradually narrows from the beginning to the end, the air will be compressed when it just enters the blowing hole, and then naturally releases pressure and expands in the process of flowing through the blowing hole. During the expansion process, the average distance between air molecules increases, the potential energy between molecules increases and the kinetic energy decreases, so the temperature of the blown air decreases, forming cold air. The cold air cools the mold wrapped in the cooling chamber. Since the mold is cooled by cold air instead of water, the mold can still remain dry after cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of polymer extrusion linkage control equipment;

[0014] Figure 2 is a schematic diagram of the cooling device structure;

[0015] Figure 3 It is a connection block diagram of polymer extrusion linkage control equipment.

[0016] 1 extruder, 2 extrusion chamber, 3 cylinder, 4 mold, 5 slide rail, 6 slide rod, 7 cooling device, 71 cooling chamber, 710 outer plate, 711 inlet, 712 partition cavity, 713 blowing hole, 8 lower hopper, 9 extrusion motor, 10 feeding motor, 11 rotating shaft, 12 feeding hopper, 13 first inverter, 14 second inverter, 15 controller, 16 air duct, 17 fan, 18 feeding hopper, 19 water tank, 20 cooling water, 21 baffle plate, 22 driving motor, 23 switch. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with specific implementation methods.

[0018] The controller mentioned below includes a memory and a processor connected to each other. A computer program is stored in the memory. When the computer program is executed by the processor, the functions of the controller are realized.

[0019] Polymer extrusion linkage control equipment such as Figure 1 As shown, it includes an extruder 1 and an extrusion motor 9 for stirring the plastic inside the extruder 1. A feed hopper 12 is provided at the feed port of the extruder 1, a feed motor 10 is provided above the feed hopper 12, and a rotating shaft 11 connected to the feed motor 10 is provided in the feed hopper 12; the discharge port of the extruder 1 is connected to an extrusion bin 2 through a lower hopper 8, and a cylinder 3 is provided on one side of the extrusion bin 2 and a mold 4 is provided on the other side. A feeding hopper 18 is provided above the feed hopper 12 and beside the feed motor 10. The plastic enters the feed hopper 12 from the feeding hopper 18 and is fed into the extruder 1 by the rotating shaft 11. The extrusion motor 9 stirs and fuses the plastic inside the extruder 1 into a viscous flow state and transports it to the discharge port. The viscous flow state plastic enters the extrusion bin 2 through the lower hopper 8, and the cylinder 3 squeezes the viscous flow state plastic until it passes through the mold 4 to form a plastic product. A water tank 19 is provided below the extrusion die 4, and cooling water 20 is contained in the water tank 19. The molded plastic product falls into the water tank 19 and is shaped in the cooling water 20. A trumpet-shaped baffle plate 21 is provided on the outer edge of the top of the water tank 19.

[0020] A slide rail 5 is provided at the bottom of the extruder 1, and a slide rod 6 is provided on the slide rail 5 to slide along the slide rail 5. The end of the slide rod 6 is connected to a Figure 2 The cooling device 7 shown. The cooling device 7 is as shown Figure 2 As shown, the cooling chamber 71 is provided for wrapping the mold 4. The front side of the cooling chamber 71 is provided with an entrance 711 for the mold 4 to enter. The outer sides of the cooling chamber 71 other than the front side are provided with outer plates 710. The outer plates 710 and the cooling chamber 71 are separated to form a partition cavity 712. The wall of the cooling chamber 71 is provided with a plurality of blowing holes 713. The device is provided with a fan 17. The fan 17 is connected to the partition cavity 712 through the air duct 16. The air blown by the fan 17 passes through the partition cavity 712 and then through the blowing holes 713 into the cooling chamber 71. Figure 3As shown, the feed motor 10 is electrically connected to the first frequency converter 13, the extrusion motor 9 is electrically connected to the second frequency converter 14, the first frequency converter 13 is electrically connected to the second frequency converter 14, the first frequency converter 13 and the second frequency converter 14 are electrically connected to the controller 15, and the first frequency converter 13 and the second frequency converter 14 can achieve speed matching between the extrusion motor and the feed motor, which is the prior art and will not be elaborated here. A switch 23 electrically connected to the controller is provided on the top of the extruder 1. The controller 15 is electrically connected to the drive motor 22 and the fan 17. After the device extrude a product of a certain shape, the staff presses the switch, and the controller 15 controls the drive motor 22 to drive the slide bar 6 to slide, driving the cooling chamber 71 of the cooling device 7 to move forward to the wrapping mold 4. After the cooling chamber 71 moves to the wrapping mold 4, the controller 15 starts the fan 17, and the fan 17 blows air into the partition cavity 712, and the air blows to the cooling chamber 71 through the blowing hole 713. Since the blowing hole 713 is trumpet-shaped and gradually narrows from the beginning to the end, when the air just enters the blowing hole 713, the air will be compressed first, and then naturally release pressure and expand in the process of flowing through the blowing hole 713. In the process of expansion, the average distance between air molecules increases, the potential energy between molecules increases, and the kinetic energy decreases, so the temperature of the blown air decreases, forming cold air. The cold air cools the mold 4 wrapped in the cooling chamber 71. Since the mold is not cooled by water but by cold air, the mold 4 can still remain dry after cooling. After the mold is cooled down, the staff presses the switch, and the controller 15 controls the drive motor 22 to drive the slide bar 6 to slide, drive the cooling device 7 to reset, and shut down the fan 17.

[0021] The above is only an implementation method of the invention, and does not limit the scope of patent protection. Those skilled in the art can make non-substantial changes or substitutions based on the invention, which still fall within the scope of patent protection.

Claims

1. A polymer extrusion linkage control device, comprising an extruder and an extrusion motor for stirring plastic inside the extruder, a feed hopper is provided at the feed inlet of the extruder, a feed motor is provided above the feed hopper, and a rotating shaft connected to the feed motor is provided in the feed hopper; the discharge port of the extruder is connected to an extrusion bin through a lower hopper, a cylinder is provided on one side of the extrusion bin and a mold is provided on the other side, and the cylinder squeezes the plastic to pass through the mold to form; the feed motor is electrically connected to a first frequency converter, the extrusion motor is electrically connected to a second frequency converter, the first frequency converter is electrically connected to the second frequency converter, and a controller electrically connected to the first frequency converter and the second frequency converter is included, wherein: A slide rail is provided at the bottom of the extruder, a slide rod sliding along the slide rail is provided on the slide rail, a cooling device is connected to the end of the slide rod, the equipment is provided with a fan, the cooling device comprises a cooling chamber for wrapping the mold, an entrance is provided on one side of the cooling chamber for the mold to enter, an outer plate is provided on the outer side of the cooling chamber, the outer plate and the cooling chamber are separated to form a partition cavity, the fan is connected to the partition cavity through an air duct, a plurality of blowing holes are provided on the wall of the cooling chamber to allow the wind blown by the fan to pass from the partition cavity into the cooling chamber, and the blowing holes are gradually narrowed from the beginning to the end; the slide rod slides to drive the cooling chamber of the cooling device to move to the wrapping mold, the fan blows air into the partition cavity, and the wind is blown to the cooling chamber through the blowing holes to cool the mold wrapped in the cooling chamber.

2. A polymer extrusion linkage control device according to claim 1, characterized in that: A rotating shaft connected with a feeding motor is arranged in the feeding hopper.

3. A polymer extrusion linkage control device according to claim 1, characterized in that: A driving motor is provided on one side of the slide rail, and the controller is electrically connected to the driving motor and the fan. The driving motor drives the slide bar to slide and drives the cooling chamber of the cooling device to move to the wrapping mold.

4. A polymer extrusion linkage control device according to claim 1, characterized in that: A switch electrically connected to the controller is provided on the top of the extruder.

5. The polymer extrusion linkage control device according to claim 1, characterized in that: A feeding hopper is arranged above the feeding hopper and beside the feeding motor.

6. The polymer extrusion linkage control device according to claim 1, characterized in that: A cooling water tank is provided below the extrusion die.

7. A polymer extrusion linkage control device according to claim 6, characterized in that: A trumpet-shaped baffle is provided on the top outer edge of the water tank.

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