A multi-roller calender for producing heat-conducting rubber

Abstract

The utility model relates to a kind of multi-roller calender for heat-conducting rubber production, including rack, several roller tubes are provided on the rack, the one side of the rack is provided with the extrusion drive component that can drive roller tube rotation.The utility model has the advantages that: when the rubber product is sensed, signal is transmitted to controller, the controller controls servo drive component to drive first cutter to move down, and the rubber sheet that is extruded initially and insufficient in width is cut off.And then, exhaust component inhales the part of rubber sheet into suction frame, and return material drive component drives moving seat and suction frame to move up.When suction frame moves to the upper of hopper, rotary drive component drives suction frame to rotate to the direction of hopper, exhaust component is closed, and rubber sheet falls into hopper under the action of gravity, directly for secondary calendering work.In this way, the processing of insufficient width rubber sheet is realized, without separate cutting and recycling, greatly improving the convenience of equipment.

Description

Technical Field

[0001] This utility model relates to the field of thermally conductive rubber production technology, specifically a multi-roll calender for thermally conductive rubber production. Background Technology

[0002] Thermally conductive rubber is a composite material made by adding thermally conductive fillers such as boron nitride and aluminum oxide to silicone rubber and other base materials. It has thermal conductivity, insulation and mechanical protection functions and is widely used in electronics, aerospace, automotive and other fields.

[0003] In the manufacturing process of thermally conductive rubber products, the rubber needs to be calendered. In existing technologies, calendering is generally performed using a calender. The calender uses multiple rollers to calender the raw material into a flat structure of a predetermined thickness. However, it has been found that in the initial stage of calendering, the width of the calendered product is often narrower than that of the product calendered in the later stages, making it difficult to obtain rubber sheets of the specified width. In existing technologies, most methods involve cutting off these initially insufficiently wide rubber pieces after calendering. This method not only requires separate cutting, which is time-consuming and labor-intensive, but also necessitates recycling this portion of rubber to avoid waste, causing inconvenience in the production of thermally conductive rubber. Utility Model Content

[0004] This utility model provides a multi-roll calender for producing thermally conductive rubber, in order to solve the technical problems mentioned in the background art.

[0005] To solve the above problems, the multi-roll calender for producing thermally conductive rubber provided by this utility model adopts the following technical solution: A multi-roll calender for producing thermally conductive rubber includes a frame, on which a plurality of rollers are arranged. An extrusion drive assembly capable of rotating the rollers is arranged on one side of the frame. A hopper is arranged on the frame. A first mounting frame is arranged on one side of the frame, in which a first cutter is arranged. A servo drive assembly capable of moving the first cutter is arranged on the first mounting frame. Sensor probes are arranged on both sides of the first mounting frame. A controller is arranged on the first mounting frame. A second mounting frame is fixedly connected to the outside of the first mounting frame on the frame. A movable seat is arranged on the second mounting frame. A return drive assembly capable of moving the movable seat is arranged inside the second mounting frame. A suction frame is rotatably connected to the movable seat. An exhaust assembly capable of expelling air from the suction frame is arranged on the suction frame. A rotation drive assembly capable of rotating the suction frame is arranged on the movable seat.

[0006] The above technical solution involves placing raw materials into a hopper, where they fall and are compressed into a flat structure by rollers before flowing out from the frame. During calendering, a sensor probe detects the target area. Upon sensing the rubber product, it sends a signal to the controller, which then controls the servo drive assembly to move the first cutter downwards, cutting off the initially compressed, insufficiently wide sheet of rubber. The venting assembly then sucks this portion of the sheet into the suction frame, while the return drive assembly moves the moving seat and suction frame upwards. Once the suction frame is above the hopper, the rotation drive assembly rotates the suction frame towards the hopper, the venting assembly closes, and the sheet falls into the hopper under gravity for direct secondary calendering. This method effectively handles insufficiently wide sheets without requiring separate cutting and recycling, significantly improving the equipment's convenience.

[0007] Furthermore, a second cutter is provided below the roller. The second cutter has two sets and is located at both ends of the roller. A first guide plate is provided on the outer side below the second cutter, and a second guide plate is provided on the inner side below the second cutter. The first guide plate and the second guide plate face opposite directions.

[0008] Furthermore, the frame is provided with a mounting frame, and the top and bottom ends of the mounting frame are provided with lifting drive components. The inner side of the mounting frame is provided with a lifting belt that can be driven to rotate by the lifting drive components. Several lifting needles are provided at both ends of the lifting belt in the width direction. A material-pulling plate is provided on the frame, and the material-pulling plate is located between the hopper and the lifting belt.

[0009] Furthermore, the first mounting frame is fixed to the frame by bolts in conjunction with the fixing ring on the first mounting frame and the fixing holes opened on the frame.

[0010] Furthermore, a plurality of positioning holes are provided on the outer side of the first mounting frame, and the sensing probe is fixed on the first mounting frame by bolts in conjunction with the positioning holes.

[0011] Furthermore, the second mounting frame adopts an inverted U-shaped structure, and the return material drive assembly includes a lead screw disposed on one side of the second mounting frame and a drive motor disposed on the second mounting frame that can drive the lead screw to rotate.

[0012] Furthermore, a guide rod is fixedly connected to the other side of the second mounting frame, and a movable seat is sleeved on the guide rod. The suction frame is disposed between the movable seat on the guide rod and the movable seat that can be driven by the return material drive assembly.

[0013] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows: 1. This multi-roll calender for producing thermally conductive rubber utilizes a structure including a first mounting frame, a first cutter, a servo drive assembly, a sensing probe, a second mounting frame, a moving base, and a suction frame. During calendering, the sensing probe detects the target area. Upon sensing the rubber product, it sends a signal to the controller. The controller then controls the servo drive assembly to move the first cutter downwards, cutting off the initially compressed, insufficiently wide sheet of rubber. The venting assembly then sucks this portion of the sheet into the suction frame, while the return drive assembly moves the moving base and suction frame upwards. Once the suction frame is above the hopper, the rotation drive assembly rotates the suction frame towards the hopper, the venting assembly closes, and the sheet falls into the hopper under gravity for secondary calendering. This process effectively handles insufficiently wide sheets, eliminating the need for separate cutting and recycling, significantly improving the equipment's convenience.

[0014] 2. This multi-roll calender for producing thermally conductive rubber uses a second cutter to cut the uneven parts at the edge of the rubber sheet during the calendering process. The uneven parts are then guided to one side by the first guide plate, while the remaining portion of the sheet is guided to the other side by the second guide plate, thus separating the two parts of the product. The uneven parts are then lifted by the lifting pins on the lifting belt, moving upwards with the belt and falling off the lifting pins into the feed hopper under the constraint of the feeding plate, where they undergo secondary calendering. This process not only cuts and recalenders parts with insufficient end width but also cuts and recalenders the uneven parts on both sides of the sheet, resulting in a more uniform and convenient product. Attached Figure Description

[0015] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of one embodiment of the present utility model; Figure 3 For the present utility model Figure 2 A cross-sectional structural diagram of the embodiment shown; Figure 4 This is a structural schematic diagram of the first mounting frame of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Frame; 2. Roller; 3. Extrusion drive assembly; 4. Hopper; 5. First mounting frame; 6. First cutter; 7. Servo drive assembly; 8. Sensor probe; 9. Controller; 10. Second mounting frame; 11. Moving seat; 12. Suction frame; 13. Exhaust assembly; 14. Return drive assembly; 15. Mounting frame; 16. Lifting drive assembly; 17. Lifting belt; 18. Feeding plate; 19. Second cutter; 20. First guide plate; 21. Second guide plate. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0018] like Figures 1 to 4 As shown, this utility model includes a frame 1, on which a plurality of rollers 2 are arranged. A compression drive assembly 3, capable of rotating the rollers 2, is arranged on one side of the frame 1. A hopper 4 is also arranged on the frame 1. A first mounting frame 5 is arranged on one side of the frame 1, containing a first cutter 6. Servo drive assemblies 7, capable of moving the first cutter 6, are arranged on both sides of the first mounting frame 5. A sensor probe 8 and a controller 9 are also arranged on the first mounting frame 5. A second mounting frame 10 is fixedly connected to the outside of the first mounting frame 5 on the frame 1. A movable seat 11 is arranged on the second mounting frame 10. A return drive assembly 14, capable of moving the movable seat 11, is arranged inside the second mounting frame 10. A suction frame 12 is rotatably connected to the movable seat 11. An exhaust assembly 13, capable of expelling air from the suction frame 12, is arranged on the suction frame 12. A rotation drive assembly, capable of rotating the suction frame 12, is arranged on the movable seat 11.

[0019] The working principle of this utility model is as follows: S1. The raw material is placed into the hopper 4. The raw material falls through the hopper 4 and is squeezed into a flat structure by the roller 2, and flows out from the frame 1. S2. The sensing probe 8 detects the target area. When it senses the rubber product, it sends a signal to the controller 9. The controller 9 controls the servo drive component 7 to move the first cutter 6 downward to cut off the rubber sheet that was initially squeezed and was not wide enough. S3. The venting assembly 13 sucks the film into the suction frame 12, and the return drive assembly 14 drives the moving seat 11 and the suction frame 12 to move upward. When the suction frame 12 moves above the hopper 4, the rotation drive assembly drives the suction frame 12 to rotate towards the hopper 4, the venting assembly 13 closes, and the film falls into the hopper 4 under gravity, directly undergoing secondary calendering.

[0020] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0021] An embodiment of a multi-roll calender for producing thermally conductive rubber provided by this utility model: A second cutter 19 is provided below the roller 2. There are two sets of second cutters 19, located at both ends of the roller 2. A first guide plate 20 is provided on the outer side below the second cutter 19, and a second guide plate 21 is provided on the inner side below the second cutter 19. The first guide plate 20 and the second guide plate 21 face opposite directions. A mounting frame 15 is provided on the frame 1. Lifting drive assemblies 16 are provided at the top and bottom ends of the mounting frame 15. A lifting belt 17, which can be driven to rotate by the lifting drive assembly 16, is provided on the inner side of the mounting frame 15. Several lifting needles are provided at both ends of the lifting belt 17 in the width direction. A material-pulling plate 18 is provided on the frame 1, located between the hopper 4 and the lifting belt 17.

[0022] In this embodiment, the rubber sheet after being squeezed by roller 2 will have an uneven part on its edge, either convex or concave. During the calendering process, the second cutter 19 cuts off the uneven part on the edge of the rubber sheet. Then, the uneven part is guided to one side by the first guide plate 20, while the remaining part of the sheet is guided to the other side by the second guide plate 21, thus separating the two parts of the product. Afterward, the uneven part is lifted by the lifting needle on the lifting belt 17, moves upward with the movement of the lifting belt 17, and falls off the lifting needle into the feed hopper 4 under the constraint of the feeding plate 18 for secondary calendering.

[0023] It can not only cut and calender parts with insufficient end width, but also cut and calender the "uneven parts" on both sides of the film, resulting in more regular products that are easier to use.

[0024] In this embodiment, the first mounting frame 5 is fixed to the frame 1 by bolts engaging with the fixing ring on the first mounting frame 5 and the fixing holes opened on the frame 1. The outer side of the first mounting frame 5 has several positioning holes, and the sensing probe 8 is fixed to the first mounting frame 5 by bolts engaging with the positioning holes.

[0025] The first mounting frame 5 is detachably mounted on the frame 1 via bolts and fixing holes, facilitating replacement of any damaged components on the first mounting frame 5. Several sets of positioning holes are provided on its outer side, allowing the induction probe 8 to be installed in the required position according to the width of the product to be calendered, thus increasing its flexibility.

[0026] In this embodiment, the second mounting frame 10 adopts an inverted U-shaped structure. The return material drive assembly 14 includes a lead screw disposed on one side of the second mounting frame 10 and a drive motor disposed on the second mounting frame 10 that can drive the lead screw to rotate. A guide rod is fixedly connected to the other side of the second mounting frame 10, and a movable seat 11 is sleeved on the guide rod. The suction frame 12 is disposed between the movable seat 11 on the guide rod and the movable seat 11 that can be driven by the return material drive assembly 14.

[0027] The guide rod can constrain and guide the movable seat 11, thereby constraining the suction frame 12 and preventing the suction frame 12 from rotating around the lead screw as the axis, making the movement of the suction frame 12 more stable.

[0028] Based on the above description in this specification, those skilled in the art will also understand that the following terms used, such as "upper," "lower," "front," "rear," "left," "right," "width," "horizontal," "top," "bottom," "inner," and "outer," are terms indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings of this specification. They are only for the purpose of facilitating the explanation of the present invention and simplifying the description, and do not explicitly or implicitly suggest that the device or element involved must have the specific orientation, or be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms should not be understood or interpreted as limitations on the present invention.

[0029] In addition, in the description of this specification, "multiple" means at least two, such as two, three or more, etc., unless otherwise expressly and specifically defined.

Claims

1. A multi-roll calender for producing thermally conductive rubber, characterized in that, Includes a frame (1), on which a plurality of rollers (2) are provided, and on one side of the frame (1) is an extrusion drive assembly (3) that can drive the rollers (2) to rotate, and on the frame (1) is a hopper (4). A first mounting frame (5) is provided on one side of the frame (1), a first tool (6) is provided inside the first mounting frame (5), a servo drive assembly (7) that can drive the first tool (6) to move is provided on the first mounting frame (5), a sensor probe (8) is provided on both sides of the first mounting frame (5), and a controller (9) is provided on the first mounting frame (5). A second mounting frame (10) is fixedly connected to the outside of the first mounting frame (5) on the frame (1). The second mounting frame (10) is provided with a movable seat (11). A return material drive assembly (14) that can drive the movable seat (11) to move is provided inside the second mounting frame (10). A suction frame (12) is rotatably connected to the movable seat (11). An exhaust assembly (13) that can discharge air from the suction frame (12) is provided on the suction frame (12). A rotation drive assembly that can drive the suction frame (12) to rotate is provided on the movable seat (11).

2. The multi-roll calender for producing thermally conductive rubber according to claim 1, characterized in that, A second cutter (19) is provided below the roller (2). There are two sets of the second cutter (19) and they are located at both ends of the roller (2). A first guide plate (20) is provided on the outer side below the second cutter (19), and a second guide plate (21) is provided on the inner side below the second cutter (19). The first guide plate (20) and the second guide plate (21) face opposite directions.

3. The multi-roll calender for producing thermally conductive rubber according to claim 2, characterized in that, The frame (1) is provided with a mounting frame (15), and the top and bottom ends of the mounting frame (15) are provided with lifting drive components (16). The inner side of the mounting frame (15) is provided with a lifting belt (17) that can be driven to rotate by the lifting drive components (16). Several lifting needles are provided at both ends of the lifting belt (17) in the width direction. The frame (1) is provided with a material-pulling plate (18), which is located between the hopper (4) and the lifting belt (17).

4. The multi-roll calender for producing thermally conductive rubber according to claim 1, characterized in that, The first mounting frame (5) is fixed to the frame (1) by bolts, which are used to engage the fixing ring on the first mounting frame (5) and the fixing hole opened on the frame (1).

5. A multi-roll calender for producing thermally conductive rubber according to claim 4, characterized in that, The outer side of the first mounting frame (5) has several positioning holes, and the sensing probe (8) is fixed on the first mounting frame (5) by bolts through the positioning holes.

6. A multi-roll calender for producing thermally conductive rubber according to claim 1, characterized in that, The second mounting frame (10) adopts an inverted U-shaped structure. The return material drive assembly (14) includes a lead screw set on one side of the second mounting frame (10) and a drive motor set on the second mounting frame (10) that can drive the lead screw to rotate.

7. A multi-roll calender for producing thermally conductive rubber according to claim 6, characterized in that, A guide rod is fixedly connected to the other side of the second mounting frame (10), and a movable seat (11) is sleeved on the guide rod. The suction frame (12) is set between the movable seat (11) on the guide rod and the movable seat (11) that can be driven by the return drive assembly (14).

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