Heavy gauge sheet calendering machine

Abstract

The application discloses a heavy sheet calendering forming machine, which comprises a rack, a control device, a roller assembly installed on the top of the rack and a moving lifting mechanism installed on the bottom of the rack, the roller assembly comprises a plurality of forming rollers rotatably installed on the rack, the moving lifting mechanism comprises a guide rail extending in the front-rear direction, a plurality of moving wheel systems, a plurality of lifts and a plurality of sensing devices, each moving wheel system can move back and forth along the guide rail, one lift is installed on each moving wheel system, each lift is drivingly connected between the rack and the corresponding moving wheel system, and is used for driving the rack to ascend and descend in the up-down direction, each lift is provided with a sensing device, and the sensing device is used for detecting the ascending and descending position of the corresponding lift, and the control device is signal-connected with the plurality of lifts and the plurality of sensing devices; the rack is accurately controllable in ascending and descending, and the rack is guaranteed to ascend and descend horizontally.

Description

Technical Field

[0001] This application relates to the field of sheet forming equipment technology, and in particular to a heavy-duty sheet calendering machine. Background Technology

[0002] When performing calendering operations on a heavy-duty sheet calendering machine, the extrusion die is aligned with the gap between two adjacent rollers. When producing different sheets, it is necessary to switch to other suitable rollers. The lifting mechanism needs to lower the frame that carries the rollers so that the die is higher than the rollers. The frame moves back and forth to align the gap of the suitable rollers with the die before rising. Since the heavy-duty sheet calendering machine weighs about 200 tons, its inertia is large during lifting, which can cause the rollers to shift during lifting. This positional deviation during lifting can cause the die and rollers to collide, damaging the die and rollers and potentially causing a series of dangerous hazards. Therefore, a heavy-duty sheet calendering machine with precise control over the lifting position of the frame is needed. Summary of the Invention

[0003] In order to solve the above-mentioned technical problems, the purpose of this application is to provide a heavy-duty sheet calendering machine with precise lifting position positioning.

[0004] To achieve the above objectives, this application adopts the following technical solution: a heavy-duty sheet calendering machine, comprising:

[0005] frame;

[0006] The roller assembly includes a plurality of forming rollers rotatably mounted on the frame, the plurality of forming rollers being parallel to each other and arranged sequentially from front to back on the frame;

[0007] A mobile lifting mechanism includes a guide rail extending in a front-to-back direction, several moving wheel systems, several lifting mechanisms, and several sensing devices. Each of the moving wheel systems is capable of moving back and forth along the guide rail. The moving wheel systems are installed in pairs at the bottom of the frame, with each pair of moving wheel systems arranged opposite each other. Each moving wheel system is equipped with a lifting mechanism, and each lifting mechanism is kinetically connected between the frame and the corresponding moving wheel system to drive the frame to move up and down. Each lifting mechanism is equipped with a sensing device for detecting the lifting position of the frame.

[0008] The control device is signal-connected to the aforementioned elevators and the aforementioned sensing devices.

[0009] In the above technical solution, it is further preferred that each of the movable wheel systems includes a wheel frame, a roller rotatably mounted on the wheel frame, and a slider that slides with the wheel frame. The slider is fixedly connected to the frame and is configured to slide back and forth relative to the wheel frame in the vertical direction.

[0010] In the above technical solution, a further preferred embodiment is provided, wherein a synchronous crossbeam is connected between a pair of left and right opposite movable wheel systems, and the two ends of the synchronous crossbeam are fixedly connected to the wheel frame of the corresponding movable wheel system.

[0011] In the above technical solution, it is further preferred that each of the sensing devices is installed on the corresponding moving wheel system, and the sensing device includes a sensing probe installed on the wheel frame and a displacement sensor installed on the slider.

[0012] In the above technical solution, in a further preferred embodiment, each of the lifting machines includes a lifting motor mounted on the corresponding wheel frame, a lifting screw extending in the vertical direction, and a lifting block cooperating with the lifting screw. The lifting motor is driven by the lifting screw to drive the lifting screw to rotate around its own axis. The lifting block is fixedly connected to the frame. The lifting block is configured to move back and forth along the axial direction of the lifting screw when the lifting screw rotates.

[0013] In the above technical solution, a further preferred embodiment is that the frame includes a pair of wall panels arranged opposite each other on the left and right sides and a plurality of connecting beams connecting the pair of wall panels, each of the connecting beams extending in the left-right direction.

[0014] In the above technical solution, it is further preferred that at least one of the aforementioned movable wheel systems is installed at the bottom of the front end and the bottom of the rear end of each of the wall panels.

[0015] Compared with the prior art, this application achieves the following beneficial effects:

[0016] This application features a simple structure and convenient operation. The lifting position of the frame is accurately located by the sensing devices configured on each moving wheel system, which makes the lifting of the frame precise and controllable, and ensures that the frame rises and falls horizontally. Attached Figure Description

[0017] Figure 1 A three-dimensional structural schematic diagram of a heavy-duty sheet calendering machine provided in an embodiment of this application;

[0018] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle;

[0019] Figure 3 for Figure 1 Front view of a heavy-duty sheet calendering machine;

[0020] Figure 4 for Figure 1 Side view of a heavy-duty sheet calendering machine;

[0021] Figure 5 for Figure 1 A three-dimensional structural diagram of the mobile lifting mechanism in the middle;

[0022] Figure 6 for Figure 5 A magnified view of a portion of point B in the middle;

[0023] Figure 7 for Figure 5 A three-dimensional structural diagram of the moving gear train.

[0024] The components are as follows: 100. Heavy-duty sheet calendering machine; 10. Frame; 1. Wall panel; 2. Connecting beam; 20. Roller assembly; 3. Forming roller; 4. Drive motor; 30. Moving lifting mechanism; 5. Guide rail; 6. Moving wheel system; 61. Wheel frame; 62. Roller; 63. Slider; 7. Synchronous beam; 8. Lifting machine; 81. Lifting motor; 82. Lifting screw; 83. Lifting block; 9. Sensing device; 91. Sensing probe; 92. Displacement sensor. Detailed Implementation

[0025] To illustrate the technical content, structural features, achieved objectives, and effects of the application in detail, the technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. In the following description, for illustrative purposes, numerous 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 one or more equivalent arrangements. Furthermore, the various exemplary embodiments may differ, but are not necessarily exclusive. For example, the specific shape, structure, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

[0026] This application provides a heavy-duty sheet calendering machine, such as... Figure 1 , 3As shown in Figure 4, the heavy-duty sheet calendering machine 100 includes a frame 10, a roller assembly 20, a moving lifting mechanism 30, and a control device (not shown in the figure). The roller assembly 20 of this application is relatively heavy, and the total weight of the frame 10 and the roller assembly 20 is about 150 tons. The moving lifting mechanism 30 can lift the frame 10, which carries the roller assembly 20, upwards, while ensuring that the roller assembly 20 remains horizontal during lifting and lowering.

[0027] The frame 10 includes a pair of wall panels 1 arranged opposite each other on the left and right and a number of connecting beams 2 connected between the pair of wall panels 1. Each connecting beam 2 extends in the left and right direction. The number of connecting beams 2 strengthens the overall strength of the frame 10 between the pair of wall panels 1, so that the frame 10 can stably support multiple heavy rollers.

[0028] The roller assembly 20 includes several forming rollers 3 and several drive motors 4. Each forming roller 3 extends in the left-right direction. The several forming rollers 3 are rotatably mounted on the top of a pair of wall panels 1 from front to back. Each forming roller 3 is equipped with a drive motor 4. Each drive motor 4 is used to drive the corresponding forming roller 3 to rotate around its own axis.

[0029] The extrusion die is typically mounted above the heavy-duty sheet calendering machine 100, with its extrusion nozzle aligned with the gap between a pair of forming rollers 3. The material extruded from the nozzle passes sequentially over several forming rollers 3 from front to back, and finally cools to form a sheet that meets production requirements. When producing different sheets, the die needs to switch positions between different forming rollers 3. The frame 10 of this application can move in the front-back direction via a bottom-mounted lifting mechanism 30 to align the gaps of different forming rollers 3 with the extrusion die. To avoid collisions between the extrusion die and the forming rollers 3, the height of the roller assembly 20 needs to be lowered first via the lifting mechanism 30, so that the extrusion die is positioned above the roller assembly 20. Then, the heavy-duty sheet calendering machine 100 is moved back and forth. After it is in position, the lifting mechanism 30 lifts the roller assembly 20 to a suitable height.

[0030] like Figure 1 , 2 As shown in Figure 5, the mobile lifting mechanism 30 includes a guide rail 5 extending in the front-to-back direction, several moving wheel systems 6, several lifting platforms 8, and several sensing devices 9. The moving wheel systems 6 cooperate with the guide rail 5, and each moving wheel system 6 can move back and forth along the guide rail 5. The moving wheel systems 6 are installed in pairs at the bottom of the frame 10, with each pair of moving wheel systems 6 arranged opposite each other from left to right. The multiple pairs of moving wheel systems 6 are spaced apart in the front-to-back direction, thereby ensuring the balance of the frame 10.

[0031] In this embodiment, at least one movable wheel system 6 is installed at the bottom of the front end and the bottom of the rear end of each wall panel 1, thereby ensuring the support strength and stability of the movable lifting mechanism 30 on the frame 10 carrying the roller assembly 20.

[0032] like Figure 2 , 6 As shown in Figures 7 and 8, each movable wheel system 6 includes a wheel frame 61, rollers 62 rotatably mounted on the wheel frame 61, and a slider 63 slidably engaged with the wheel frame 61. The slider 63 is fixedly connected to the wall plate 1 on the corresponding side and is configured to slide back and forth relative to the wheel frame 61 in the vertical direction. When the wall plate 1 is raised or lowered, the slider 63 moves up and down with the wall plate 1 relative to the wheel frame 61. A synchronous crossbeam 7 connects a pair of movable wheel systems 6 arranged opposite each other. The two ends of the synchronous crossbeam 7 are fixedly connected to the wheel frame 61 of the corresponding movable wheel system 6 to ensure that the two sets of movable wheel systems 6 under a pair of wall plates 1 can roll synchronously along the guide rail 5.

[0033] Each movable wheel system 6 is equipped with a lifting platform 8. Each lifting platform 8 is driven between the frame 10 and the corresponding movable wheel system 6, and is used to drive the frame 10 to move up and down relative to the movable wheel system 6. Several lifting platforms 8 share the load at the bottom of the frame 10 to ensure that the frame 10 carrying the roller assembly 20 can be raised and lowered smoothly. Each lifting platform 8 is equipped with a sensing device 9, which is used to detect the lifting position of the corresponding lifting platform 8. The sensing device 9 works with the lifting platform 8 to perform real-time and accurate positioning of the lifting position of the frame 10.

[0034] Each lifting platform 8 includes a lifting motor 81 mounted on a corresponding wheel frame 61, a lifting screw 82 extending in the vertical direction, and a lifting block 83 cooperating with the lifting screw 82. The lifting motor 81 is connected to the lifting screw 82 to drive the lifting screw 82 to rotate around its own axis. The lifting block 83 is fixedly connected to the wall panel 1 on the corresponding side. The lifting block 83 is configured to move back and forth along the axis of the lifting screw 82 when the lifting screw 82 rotates.

[0035] Each sensing device 9 is mounted on a corresponding moving wheel system 6. The sensing device 9 includes a sensing probe 91 mounted on the wheel frame 61 and a displacement sensor 92 mounted on the slider 63. When each lifting motor 81 drives the wall panel 1 to rise and fall, the slider 63 connected to the wall panel 1 drives the displacement sensor 92 to move up and down relative to the wheel frame 61. The sensing probe 91 and the displacement sensor 92 can accurately obtain the current lifting position of the wall panel 1 in the corresponding area.

[0036] Several lifting motors 81, several sensing probes 91, several displacement sensors 92, and several drive motors 4 of the roller assembly 20 are all connected to the control device. The sensing probes 91 and displacement sensors 92 transmit the position of the corresponding lifting wall panel 1 of the lifting machine 8 to the control device. The control device compares the position information fed back by each sensing device 9, and then controls each lifting motor 81 to work based on the position information, so that the lifting position of the wall panel 1 is precise and controllable, and ensures that multiple lifting machines 8 operate in coordination to ensure that the frame 10 rises and falls horizontally.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this application. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this application. Various changes and modifications can be made without departing from the spirit and scope of this application. The scope of protection claimed by this application is defined by the appended claims, specification, and their equivalents.

Claims

1. A heavy-duty sheet calendering machine, characterized in that, include: frame; The roller assembly includes a plurality of forming rollers rotatably mounted on the frame, the plurality of forming rollers being parallel to each other and arranged sequentially from front to back on the frame; A mobile lifting mechanism includes a guide rail extending in a front-to-back direction, several moving wheel systems, several lifting mechanisms, and several sensing devices. Each of the moving wheel systems is capable of moving back and forth along the guide rail. The moving wheel systems are installed in pairs at the bottom of the frame, with each pair of moving wheel systems arranged opposite each other. Each moving wheel system is equipped with a lifting mechanism, and each lifting mechanism is driven between the frame and the corresponding moving wheel system to drive the frame to move up and down in the vertical direction. Each lifting mechanism is equipped with a sensing device for detecting the lifting position of the frame. as well as The control device is signal-connected to the aforementioned elevators and the aforementioned sensing devices.

2. The heavy-duty sheet calendering machine according to claim 1, characterized in that, Each of the aforementioned movable wheel systems includes a wheel frame, rollers rotatably mounted on the wheel frame, and a slider that slides in cooperation with the wheel frame. The slider is fixedly connected to the frame and is configured to slide back and forth relative to the wheel frame in the vertical direction.

3. The heavy-duty sheet calendering machine according to claim 2, characterized in that, A synchronous beam connects a pair of movable wheel systems arranged opposite each other on the left and right, and the two ends of the synchronous beam are fixedly connected to the wheel frame of the corresponding movable wheel system.

4. The heavy-duty sheet calendering machine according to claim 2, characterized in that, Each of the aforementioned sensing devices is mounted on the corresponding moving wheel system, and the sensing device includes a sensing probe mounted on the wheel frame and a displacement sensor mounted on the slider.

5. The heavy-duty sheet calendering machine according to claim 2, characterized in that, Each of the aforementioned lifting platforms includes a lifting motor mounted on the corresponding wheel frame, a lifting screw extending in the vertical direction, and a lifting block cooperating with the lifting screw. The lifting motor is driven by the lifting screw to drive the lifting screw to rotate around its own axis. The lifting block is fixedly connected to the frame and is configured to move back and forth along the axis of the lifting screw when the lifting screw rotates.

6. The heavy-duty sheet calendering machine according to claim 1, characterized in that, The frame includes a pair of wall panels arranged opposite each other on the left and right sides and a plurality of connecting beams connecting the pair of wall panels, each of the connecting beams extending in the left and right direction.

7. The heavy-duty sheet calendering machine according to claim 6, characterized in that, At least one of the aforementioned movable wheel systems is installed at the bottom of the front end and the bottom of the rear end of each of the aforementioned wall panels.

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