Moving device and extrusion equipment for large-width TPO (thermoplastic polyolefin) film production

Abstract

The utility model discloses a moving device and extrusion equipment for production of a large-breadth TPO (Thermoplastic Polyolefin) film. The moving device comprises a machine frame, a plurality of moving wheels rotatably connected to the bottom of the machine frame, a pair of parallel light rails installed on the ground, a rack parallel to the light rails, a gear meshed with the rack, a transmission shaft coaxially penetrating through the gear, a driving wheel in transmission connection with the transmission shaft and a cycloid motor driving the driving wheel to rotate. The plurality of moving wheels are rotatably matched with the pair of light rails, and at least one pair of moving wheels coaxially sleeve the transmission shaft and rotate along with the transmission shaft; the gear is fixedly connected with the transmission shaft, the cycloid motor is arranged on the rack, and the driving wheel is rotatably arranged on the rack; according to the moving device, the heavy extrusion equipment is driven to move front and back at low cost, the moving difficulty is reduced so as to facilitate cleaning and maintenance, meanwhile, the center of the mold can be rapidly aligned, energy is saved, the production cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of plastic film production equipment, and in particular to a mobile device and extrusion equipment for producing a wide-width TPO film. Background Art

[0002] Since most TPO coating products on the market have their main machines placed vertically to the production line, the main machine molds have to be frequently moved in and out of the three-roller machine, especially for heavy molds with a large width. Such molds are heavy and bulky, making them difficult to move. It is also difficult to calibrate the mold center, and it is troublesome to inspect and clean them. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the present application is to provide a mobile device and extrusion equipment for producing wide-width TPO films, which are easy to move and have fast mold center calibration.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a mobile device for producing wide-width TPO films, the mobile device comprising: a frame, a plurality of mobile wheels rotatably connected to the bottom of the frame, a pair of light rails parallel to each other installed on the ground, racks parallel to the light rails, gears meshing with the racks, a transmission shaft coaxially passing through the gears, a driving wheel connected to the transmission shaft, and a cycloidal motor driving the driving wheel to rotate; the plurality of mobile wheels are rotatably matched with a pair of the light rails, at least one pair of the mobile wheels is coaxially sleeved on the transmission shaft and rotates with the transmission shaft; the gears are fixedly connected to the transmission shaft, the cycloidal motor is arranged on the frame, and the driving wheel is rotatably arranged on the frame; the speed ratio range of the cycloidal motor is: 200-400.

[0005] In the above technical solution, it is further preferred that a chain transmission is provided between the driving wheel and the transmission shaft, a passive sprocket is coaxially sleeved on the transmission shaft, the passive sprocket is fixedly connected to the transmission shaft, and a chain is connected between the driving wheel and the passive sprocket.

[0006] In the above technical solution, it is further preferred that the gear and the passive sprocket are both key-connected to the transmission shaft.

[0007] In the above technical solution, it is further preferred that the rack is fixed to the ground through a mounting base plate, and the rack is arranged between a pair of light rails.

[0008] In the above technical solution, it is further preferred that the plurality of movable wheels are arranged in pairs, and each pair of movable wheels is arranged opposite to each other in a direction perpendicular to the rack.

[0009] In the above technical solution, it is further preferred that the moving device includes at least eight moving wheels.

[0010] In order to achieve the above-mentioned purpose, the present application also provides an extrusion device, including the above-mentioned mobile device for producing large-width TPO films.

[0011] In the above technical solution, it is further preferred that it also includes an extrusion main unit, a drive motor, a reducer and an extrusion die, the drive motor is drivingly connected to the reducer, the reducer is drivingly connected to the extrusion screw of the extrusion main unit, the inlet of the extrusion die is connected to the discharge port of the extrusion main unit, and the extrusion main unit, the drive motor, the reducer and the extrusion die are all arranged on the frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The mobile device of the present application can drive the heavy extrusion equipment to move forward and backward at low cost, reduce the difficulty of movement to facilitate cleaning and maintenance, and enable the mold center to be quickly aligned. The present application saves energy, reduces production costs and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A front view of a mobile device for producing a wide-width TPO film provided in an embodiment of the present application installed on an extrusion device;

[0015] Figure 2 for Figure 1 A top view of the extrusion equipment in FIG.

[0016] Figure 3 for Figure 2 A local enlarged schematic diagram of the middle A;

[0017] Figure 4 for Figure 1 Side view of the extrusion equipment.

[0018] Among them: 100, extrusion equipment; 10, moving device; 1, frame; 2, moving wheel; 3, light rail; 4, rack; 41, mounting base; 5, gear; 6, driving wheel; 7, cycloid motor; 8, transmission shaft; 9, chain; 11, passive sprocket; 20, extrusion host; 30, driving motor; 40, reducer; 50, extrusion mold. DETAILED DESCRIPTION

[0019] To describe the technical content, structural features, achieved purpose and effect of the application in detail, the technical solutions in the embodiments of the application will be described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all of the embodiments. In the following description, for the purpose of explanation, many specific details are set forth to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may also be implemented without these specific details or in the case of one or more equivalent arrangements. In addition, various exemplary embodiments may be different, but not necessarily exclusive. For example, without departing from the inventive concept, the specific shape, structure and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0020] The terms “upper”, “lower”, “front” and “back” in this application refer to the attached Figure 1 The upper, lower, front and rear shown in the figure; the "left" and "right" mentioned in this application are as shown in the figure. Figure 2 Left and right shown.

[0021] The present application embodiment provides a mobile device for producing a wide width TPO film, such as Figure 2-4 As shown, the mobile device 10 includes a frame 1, a plurality of mobile wheels 2, a pair of light rails 3, a rack 4, a gear 5, a driving wheel 6, a cycloid motor 7 and a transmission shaft 8.

[0022] like Figure 2 , 4 As shown, a pair of light rails 3 are fixed on the ground in parallel with each other, both extend in the front-rear direction, and are arranged opposite to each other on the left and right sides.

[0023] A plurality of moving wheels 2 are rotatably connected to the bottom of the frame 1, and a plurality of moving wheels 2 are rotatably matched with a pair of light rails 3. The frame 1 moves back and forth along the pair of light rails 3 in the front-rear direction above the pair of light rails 3 through the plurality of moving wheels 2. Each moving wheel 2 is rotatably connected to the frame 1 through a wheel frame welded to the bottom of the frame 1; a plurality of moving wheels 2 are arranged opposite to each other in pairs, and each pair of moving wheels 2 is arranged opposite to each other on the left and right. The moving wheels 2 in the left row roll on the left light rail 3, and the moving wheels 2 in the right row roll on the right light rail 3, thereby improving the stability of the frame 1 moving on the pair of light rails 3. In the embodiment of the present application, eight moving wheels 2 arranged opposite to each other on the left and right are connected to the bottom of the frame 1, and four pairs of moving wheels 2 are arranged in sequence along the front-rear direction.

[0024] like Figure 3 , 4 As shown, the cycloid motor 7 is fixed on the frame 1, the driving wheel 6 is rotatably arranged on the frame 1, and the output shaft of the cycloid motor 7 is transmission-connected with the driving wheel 6 to drive the driving wheel 6 to rotate around its own axis, and the axis of the driving wheel 6 extends in the left-right direction.

[0025] The rack 4 is arranged on the ground parallel to a pair of light rails 3, and the rack 4 is fixedly connected to a mounting base plate 41 fixed to the ground, and the mounting base plate 41 is fixed to the ground by a plurality of expansion screws; the tooth surface of the rack 4 is arranged upward to mesh with the gear 5, and the axis of the gear 5 extends in the left-right direction.

[0026] The transmission shaft 8 is coaxially provided with the gear 5, and the gear 5 and the transmission shaft 8 are fixedly connected by a key connection. When the gear 5 rotates around its own axis and rolls in the front-rear direction, the transmission shaft 8 rotates with the gear 5 and moves in the front-rear direction.

[0027] There is a chain transmission between the gear 5 and the transmission shaft 8, a chain 9 is connected between the driving wheel 6 and the transmission shaft 8, a passive sprocket 11 is coaxially sleeved on the transmission shaft 8, and the passive sprocket 11 is coaxially fixed on the transmission shaft 8 to move simultaneously with the transmission shaft 8, and the chain 9 is connected between the passive sprocket 11 and the driving wheel 6. When the driving wheel 6 rotates under the drive of the cycloid motor 7, the passive sprocket 11 drives the transmission shaft 8 to rotate under the drive of the chain 9, and the gear 5 rotates around its own axis with the transmission shaft 8. Since the gear 5 is meshed with the rack 4, when the gear 5 rotates, the tooth surface of the gear 5 interacts with the tooth surface of the rack 4, so that the gear 5 moves along the extension direction of the rack 4, that is, the gear 5 rolls in the front-back direction, and the transmission shaft 8 moves along the front-back direction with the gear 5.

[0028] A pair of moving wheels 2 are coaxially sleeved on the transmission shaft 8, and the pair of moving wheels 2 are fixedly connected to the transmission shaft 8. When the transmission shaft 8 rotates and moves in the front-rear direction, the pair of moving wheels 2 coaxially fixed to the transmission shaft 8 rotates and moves back and forth along the transmission shaft 8. Since the plurality of moving wheels 2 are rotatably connected to the bottom of the frame 1, when the transmission shaft 8 moves in the front-rear direction, the plurality of moving wheels 2 drive the frame 1 to move back and forth in the front-rear direction along the pair of light rails 3.

[0029] The meshing of the gear 5 and the rack 4 converts the rotational motion of the output shaft of the cycloid motor 7 into the linear motion of the frame 1, and the cycloid motor 7 provides power for the forward and backward movement of the frame 1 through the gear 5 and the rack 4; the cooperation of a plurality of moving wheels 2 and a pair of light rails 3 provides guidance for the movement of the frame 1, and the plurality of moving wheels 2 play a load-bearing role for the frame 1 and the equipment carried on the frame 1, reducing the wear of the gear 5 and the rack 4, and extending the service life of the mobile device 10. The rolling connection between the moving wheels 2 and the light rail 3 reduces the friction between the frame 1 and the rack 4, making it easier for the frame 1 to move forward and backward.

[0030] The speed ratio range of the cycloid motor 7 is: 200-400. Under the same motor power, the larger speed ratio enables the cycloid motor 7 to have a larger torque, thereby realizing the forward and backward drive of heavy equipment. Therefore, compared with other motors, the cycloid motor 7 can use lower power when driving heavy equipment, saving energy and cost.

[0031] like Figure 1 , 2 As shown, another embodiment of the present application provides an extrusion device 100, which includes an extrusion main unit 20, a driving motor 30, a reducer 40, an extrusion die 50 and a moving device. The moving device adopts the moving device 10 of the above embodiment. The extrusion main unit 20, the driving motor 30, the reducer 40 and the extrusion die 50 are all arranged on the frame 1 of the moving device 10. The extrusion main unit 20 has a barrel and an extrusion screw rotatably arranged in the barrel. The driving motor 30 is connected to the extrusion screw through the reducer 40 to drive the extrusion screw to rotate around its own axis in the barrel. The rotating extrusion screw shears and plasticizes the material conveyed into the barrel into a molten material. The inlet of the extrusion die 50 is connected to the discharge port of the barrel.

[0032] The extrusion port of the extrusion die 50 is arranged opposite to the three-roll calender up and down. The extrusion die 50 extrude the molten material output by the extrusion host 20 into a film and drops it into the three-roll calender, and the three-roll calender cools and shapes the film.

[0033] The extrusion die 50 of the embodiment of the present application is a die head for producing a wide TPO film, which is large in size and weight. The cycloid motor 7 of the moving device 10 can drive the heavy extrusion equipment to move forward and backward at low cost through the performance of small power and large torque, thereby reducing the difficulty of moving the extrusion equipment, saving losses and energy, and facilitating the cleaning and maintenance of the equipment. At the same time, the center of the extrusion die 50 can be quickly aligned with the three-roll calender to improve production efficiency.

[0034] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, and the scope of protection required by the present application is defined by the attached claims, description and their equivalents.

Claims

1. A mobile device for producing wide width TPO films, characterized in that: The mobile device comprises: a frame, a plurality of moving wheels rotatably connected to the bottom of the frame, a pair of light rails parallel to each other installed on the ground, a rack parallel to the light rails, a gear meshing with the rack, a transmission shaft coaxially passing through the gear, a driving wheel drivingly connected to the transmission shaft, and a cycloid motor driving the driving wheel to rotate; the plurality of moving wheels rotatably cooperate with a pair of light rails, at least one pair of moving wheels is coaxially sleeved on the transmission shaft and rotates with the transmission shaft; the gear is fixedly connected to the transmission shaft, the cycloid motor is arranged on the frame, and the driving wheel is rotatably arranged on the frame; the speed ratio range of the cycloid motor is: 200-400.

2. The mobile device according to claim 1, characterized in that The driving wheel and the transmission shaft are chain-driven, a passive sprocket is coaxially sleeved on the transmission shaft, the passive sprocket is fixedly connected to the transmission shaft, and a chain is connected between the driving wheel and the passive sprocket.

3. The mobile device according to claim 2, characterized in that The gear and the passive sprocket are both key-connected with the transmission shaft.

4. The mobile device according to claim 1, characterized in that The rack is fixed to the ground through a mounting base plate, and the rack is arranged between a pair of light rails.

5. The mobile device according to claim 1, characterized in that: The plurality of moving wheels are arranged in pairs, and each pair of moving wheels is arranged opposite to each other in a direction perpendicular to the rack.

6. The mobile device according to claim 5, characterized in that: The moving device comprises at least eight moving wheels.

7. An extrusion device, characterized in that: A mobile device for producing a wide-width TPO film comprising any one of claims 1 to 6.

8. The extrusion device according to claim 7, characterized in that It also includes an extrusion host, a drive motor, a reducer and an extrusion die. The drive motor is drivingly connected to the reducer, the reducer is drivingly connected to the extrusion screw of the extrusion host, the inlet of the extrusion die is connected to the discharge port of the extrusion host, and the extrusion host, the drive motor, the reducer and the extrusion die are all arranged on the frame.

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