Automatic heat-conducting adhesive tape rolling and pressing device with efficient heat dissipation function
By designing cooling air channels and heat dissipation components for the active and driven rollers in the automatic calendering device for thermally conductive tape, and utilizing the cold air from the freezer to form convection heat dissipation, the problem of heat generation due to friction during the calendering process of thermally conductive tape is solved, thus improving product quality.
Patent Information
- Application Number
- CN202423181153.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-23
AI Technical Summary
During the calendering process, the thermally conductive tape generates heat due to high-speed friction between the tape and the pressure roller. The heat is difficult to dissipate quickly, which leads to changes in the material properties of the tape, such as softening and sticking to the roller, thus reducing product quality.
The design incorporates active and driven rollers within a U-shaped mounting base, combined with a cold air trough and heat dissipation components. The cold air supplied by the freezer is intermittently delivered to the cold air trough, creating convection to absorb heat and achieve efficient heat dissipation.
It effectively dissipates heat between the pressure rollers, improves the product quality of the thermally conductive tape, prevents changes in material properties, and avoids softening and sticking to the rollers.
Smart Images
Figure CN223849779U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of thermal conductive tape production equipment, and in particular to an automatic extrusion device for high-efficiency heat dissipation thermal conductive tape. Background Technology
[0002] The automatic extrusion and pressing device for thermally conductive tape is a specialized piece of equipment used to produce thermally conductive tape. Its main function is to extend and press the raw materials of thermally conductive tape to a specified thickness and density through the cooperation of multiple pressure rollers, so as to meet the performance requirements of thermally conductive tape in practical applications.
[0003] During the calendering process, existing thermally conductive tapes generate heat due to high-speed friction between the tape and the pressure roller. This heat is difficult to dissipate quickly, causing changes in the tape material properties, such as softening and sticking to the roller, which reduces product quality. Utility Model Content
[0004] The purpose of this invention is to address the following shortcomings in the prior art: during the calendering process of thermally conductive tape, the high-speed friction between the tape and the pressure roller generates heat, which is difficult to dissipate quickly, causing changes in the material properties of the tape, resulting in softening, sticking to the roller, and other conditions, thus reducing product quality. Therefore, this invention proposes an automatic calendering device for thermally conductive tape with high-efficiency heat dissipation.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An automatic thermal conductive tape pressing device with high efficiency heat dissipation includes a U-shaped mounting base. A driving roller and a driven roller are horizontally arranged inside the mounting base. Mounting rods are fixedly installed at both ends of the driving roller and the driven roller. The two mounting rods at both ends of the driving roller are rotatably connected to the inner wall of the mounting base. The left and right side walls of the mounting base are vertically opened with sliding openings. The two mounting rods at both ends of the driven roller are slidably arranged in the two sliding openings. The driving roller is controlled to rotate by a drive assembly, and the driven roller is controlled to move vertically by a lifting component.
[0007] Both the driving roller and the driven roller have a cold air groove at one end. A rotating ring is rotatably installed in the groove opening of the cold air groove. A mounting plate is fixedly installed on one side of the mounting base. A freezer is fixedly installed on the upper surface of the mounting plate. The side wall of the mounting base is provided with a heat dissipation component for intermittently transporting cold air from the freezer to the two cold air grooves.
[0008] Preferably, the heat dissipation assembly includes two hollow rods, each with one end closed, and two piston rods that are slidably and sealed inside the two hollow rods. The lower piston rod has a vertically opening on its surface, and the lower surface of the upper piston rod has a vertically fixed insert rod that slidably inserts into the opening. The mounting base has a mounting opening on its side wall. The lower hollow rod is fixedly installed in the mounting opening, and the upper hollow rod is located in one of the sliding openings. The closed end of the hollow rod is fixed. The air outlet pipes are installed, and the two air outlet pipes are respectively fixedly connected to two rotating rings, with one end of each pipe passing through the rotating ring. An air inlet hose is fixedly installed on the side wall of the hollow rod, and both air inlet hoses are connected to the freezer. One-way valves are provided in both the air inlet hose and the air outlet pipe. One end of the mounting rod located below passes through the mounting seat and is fixedly installed with a reciprocating screw. A sliding plate is threaded onto the reciprocating screw, and the surface of the sliding plate is fixedly connected to one end of the piston rod located below. An air outlet is opened on the surface of the rotating ring.
[0009] Preferably, the one-way valve in the air outlet pipe is directed from the hollow rod to the cold air duct, and the one-way valve in the air inlet hose is directed from the freezer to the hollow rod.
[0010] Preferably, the drive assembly includes a drive motor fixedly mounted on the side wall of the mounting base, and the output shaft of the drive motor is fixedly connected to one of the mounting rods located below.
[0011] Preferably, the lifting component includes two electric telescopic rods, a horizontal plate is fixedly installed at the top of the mounting base, and the two electric telescopic rods are symmetrically and vertically fixedly installed on the lower surface of the horizontal plate, with their bottom ends connected to the two mounting rods located above through connecting components.
[0012] Preferably, the connecting component includes a mounting ring fixedly installed at the end of the drive shaft of the electric telescopic rod, and the mounting ring is rotatably sleeved on the mounting rod.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] As the drive and driven rollers rotate, the cold air inside the freezer intermittently enters the cold air slots created by the heat dissipation components. The cold air forms convection within the cold air slots and flows through the internal space. It continuously contacts the warmer walls inside the pressure rollers. During this process, the cold air absorbs heat and its temperature rises. Then, due to convection, the warmer air leaves its original position, and new cold air replenishes it, continuing to absorb heat. This achieves efficient heat dissipation and improves product quality. Attached Figure Description
[0015] Figure 1 This is a front three-dimensional structural diagram of an automatic thermal conductive tape extrusion device for high-efficiency heat dissipation proposed in this utility model.
[0016] Figure 2 This is a partial three-dimensional structural diagram of the heat dissipation component in an automatic extrusion device for high-efficiency heat dissipation thermal conductive tape proposed in this utility model.
[0017] Figure 3 A partial three-dimensional structural diagram of the active roller in an automatic extrusion device for high-efficiency heat dissipation thermal conductive tape proposed in this utility model.
[0018] Figure 4 for Figure 1 Enlarged view of the structure at point A in the middle.
[0019] In the diagram: 1 Mounting base, 2 Driven roller, 3 Driven roller, 4 Mounting rod, 5 Slide, 6 Cold air duct, 7 Rotating ring, 8 Freezer, 9 Hollow rod, 10 Piston rod, 11 Insert rod, 12 Air outlet pipe, 13 Air inlet hose, 14 Reciprocating screw, 15 Slide plate, 16 Air outlet, 17 Drive motor, 18 Electric telescopic rod, 19 Mounting ring. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] The terms used in this utility model, such as "upper", "lower", "left", "right", "middle" and "one", are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.
[0022] Reference Figures 1-4An automatic thermal conductive tape pressing device with high efficiency heat dissipation includes a U-shaped mounting base 1. A driving roller 2 and a driven roller 3 are horizontally arranged inside the mounting base 1. Mounting rods 4 are fixedly mounted at both ends of both the driving roller 2 and the driven roller 3. The two mounting rods 4 at both ends of the driving roller 2 are rotatably connected to the inner wall of the mounting base 1. Sliding openings 5 are vertically opened on the left and right side walls of the mounting base 1. The two mounting rods 4 at both ends of the driven roller 3 are slidably disposed within the two sliding openings 5. The driving roller 2 is controlled to rotate by a drive assembly, which includes a drive mechanism fixedly mounted on the side wall of the mounting base 1. The output shaft of the motor 17 is fixedly connected to one of the mounting rods 4 located below. The driven roller 3 moves vertically controlled by a lifting component. The lifting component includes two electric telescopic rods 18. A horizontal plate is fixedly installed at the top of the mounting base 1. The two electric telescopic rods 18 are symmetrically and vertically fixedly installed on the lower surface of the horizontal plate, and their bottom ends are respectively connected to the two mounting rods 4 located above through connecting components. The connecting components include mounting rings 19 fixedly installed at the ends of the drive shafts of the electric telescopic rods 18. The mounting rings 19 are rotatably sleeved on the mounting rods 4.
[0023] When the drive motor 17 is started, the output shaft of the drive motor 17 will rotate the two mounting rods 4 located below and the drive roller 2. By starting the electric telescopic rod 18, the two mounting rods 4 located above and the driven roller 3 can be moved vertically, so that the gap between the drive roller 2 and the driven roller 3 can be adjusted according to the processing requirements.
[0024] Both the driving roller 2 and the driven roller 3 have a cold air groove 6 at one end. A rotating ring 7 is rotatably installed in the groove opening of the cold air groove 6. A mounting plate is fixedly installed on one side of the mounting base 1. A freezer 8 is fixedly installed on the upper surface of the mounting plate. The side wall of the mounting base 1 is provided with a heat dissipation component for intermittently transporting cold air from the freezer 8 to the two cold air grooves 6. The heat dissipation component includes two hollow rods 9 with one end closed and two piston rods 10 that are slidably and sealed into the two hollow rods 9. The surface of the lower piston rod 10 has a vertically opened insertion port, and the lower surface of the upper piston rod 10 has a vertically fixed insertion rod 11 that is slidably inserted into the insertion port. The side wall of the mounting base 1 has an installation opening. The lower hollow rod 9 is fixedly installed in the installation opening, and the upper hollow rod 9 is located in one of the... Inside the sliding port 5, a vent pipe 12 is fixedly installed at one closed end of the hollow rod 9. Two vent pipes 12 are fixedly connected to two rotating rings 7 respectively, and one end of each pipe passes through the rotating ring 7. An air inlet hose 13 is fixedly installed on the side wall of the hollow rod 9. Both air inlet hoses 13 are connected to the freezer 8. One-way valves are provided in both the air inlet hose 13 and the vent pipe 12. The direction of the one-way valve in the vent pipe 12 is from the inside of the hollow rod 9 to the cold air duct 6. The direction of the one-way valve in the air inlet hose 13 is from the inside of the freezer 8 to the inside of the hollow rod 9. One end of the mounting rod 4 located below passes through the mounting seat 1 and is fixedly installed with a reciprocating screw 14. A sliding plate 15 is threaded onto the reciprocating screw 14. The surface of the sliding plate 15 is fixedly connected to one end of the piston rod 10 located below. A vent 16 is opened on the surface of the rotating ring 7.
[0025] During the pressing process, both the driving roller 2 and the driven roller 3 rotate. During this process, the rotating ring 7 located at the opening of the cold air groove 6 does not rotate with them due to the restriction of the air outlet pipe 12. However, the reciprocating screw 14 rotates with them. The sliding plate 15 threaded onto the reciprocating screw 14 will move the piston rod 10 below laterally back and forth. Since the insertion rod 11 is inserted into the insertion port, when the lower piston rod 10 moves, the upper piston rod 10 will also move laterally back and forth with it. As a result, the volume of space between the ends of the two piston rods 10 and the inner walls of the two hollow rods 9 will continuously change from small to large and then from large to small. When the volume of space increases, the pressure decreases, and the cold air in the freezer 8 will enter the hollow rod 9 from the air inlet hose 13. When the volume of space decreases, the pressure increases, and the cold air in the hollow rod 9 will enter the cold air groove 6 from the air outlet pipe 12.
[0026] The cold air forms convection within the cold air trough 6 and flows within the space of the cold air trough 6. It continuously comes into contact with the warmer wall surface inside the drive roller 2 or driven roller 3. During this process, the cold air absorbs heat and its temperature rises. Then, due to convection, the warmer gas flows out from the outlet 16, and new cold air is replenished to continue absorbing heat, thereby achieving a highly efficient heat dissipation effect and improving product quality.
[0027] Furthermore, as the driven roller 3 moves vertically, the hollow rod 9 and piston rod 10 located above it will also move along with it, and the insertion rod 11 will also slide within the insertion port.
[0028] In this invention, as the active roller 2 and the driven roller 3 rotate, the cold air inside the freezer 8 is intermittently introduced into the cold air grooves 6 formed by the heat dissipation components. The cold air forms convection within the cold air grooves 6 and flows within the space of the cold air grooves 6. It continuously contacts the warmer wall surface inside the pressure roller. During this process, the cold air absorbs heat and its temperature rises. Then, due to convection, the hotter gas leaves its original position, and new cold air is introduced to continue absorbing heat, thereby achieving a highly efficient heat dissipation effect and improving product quality.
[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "linking", "fixing", etc., should be interpreted broadly.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-efficiency heat-dissipating conductive adhesive tape automatic stretching and pressing device, comprising a U-shaped mounting seat (1), characterized in that, The installation seat (1) is provided with a driving roller (2) and a driven roller (3) horizontally, both ends of the driving roller (2) and the driven roller (3) are fixedly provided with installation rods (4), both installation rods (4) at both ends of the driving roller (2) are rotatably connected with the inner wall of the installation seat (1), both left and right side walls of the installation seat (1) are vertically provided with sliding openings (5), both installation rods (4) at both ends of the driven roller (3) are respectively slidably arranged in the two sliding openings (5), the driving roller (2) is controlled to rotate through a driving assembly, and the driven roller (3) is controlled to move vertically through a lifting component. One end of the driving roller (2) and the driven roller (3) is provided with a cold air groove (6), a rotating ring (7) is rotatably arranged in the groove of the cold air groove (6), one side of the installation seat (1) is fixedly provided with an installation plate, the upper surface of the installation plate is fixedly provided with a freezer (8), and the side wall of the installation seat (1) is provided with a heat dissipation assembly for intermittently conveying cold air in the freezer (8) to the two cold air grooves (6).
2. The automatic drawing device of the high-efficiency heat-dissipation and heat-conducting adhesive tape according to claim 1, characterized in that, The heat dissipation assembly comprises two hollow rods (9) with one end being closed and two piston rods (10) slidably and sealingly arranged in the two hollow rods (9), respectively, the surface of the lower piston rod (10) is vertically provided with an insertion opening, the lower surface of the upper piston rod (10) is vertically fixedly provided with an insertion rod (11), the insertion rod (11) is slidably inserted into the insertion opening, the side wall of the installation seat (1) is provided with an installation opening, the lower hollow rod (9) is fixedly arranged in the installation opening, the upper hollow rod (9) is arranged in one of the sliding openings (5), one end of the hollow rod (9) with the closed end is fixedly provided with an air outlet pipe (12), the two air outlet pipes (12) are fixedly connected with the two rotating rings (7) and pass through the rotating rings (7) at one end, the side wall of the hollow rod (9) is fixedly provided with an air inlet hose (13), the two air inlet hoses (13) are in communication with the freezer (8), one-way valves are arranged in the air inlet hose (13) and the air outlet pipe (12), one end of the lower installation rod (4) penetrates out of the installation seat (1) and is fixedly provided with a reciprocating screw rod (14), a sliding plate (15) is threadedly connected with the reciprocating screw rod (14), one end of the sliding plate (15) is fixedly connected with the lower piston rod (10), and the surface of the rotating ring (7) is provided with an air outlet (16).
3. The automatic drawing device of the high-efficiency heat-dissipation and heat-conducting adhesive tape according to claim 2, characterized in that, The one-way valve in the air outlet pipe (12) is in a conduction direction from the hollow rod (9) to the cold air groove (6), and the one-way valve in the air inlet hose (13) is in a conduction direction from the freezer (8) to the hollow rod (9).
4. The automatic drawing device of the high-efficiency heat-dissipation and heat-conducting adhesive tape according to claim 1, characterized in that, The driving assembly comprises a driving motor (17) fixedly arranged on the side wall of the installation seat (1), and the output shaft of the driving motor (17) is fixedly connected with one of the installation rods (4) below.
5. The automatic drawing device of the high-efficiency heat-dissipation and heat-conducting adhesive tape according to claim 1, characterized in that, The lifting component comprises two electric telescopic rods (18), a horizontal plate is fixedly installed at the top of the mounting base (1), the two electric telescopic rods (18) are symmetrically and vertically fixedly installed on the lower surface of the horizontal plate, and the bottom ends are respectively connected with the two upper mounting rods (4) through connecting components.
6. The automatic drawing device of the high-efficiency heat-dissipation and heat-conducting adhesive tape according to claim 5, characterized in that, The connecting component comprises a mounting ring (19) fixedly installed on the driving shaft end of the electric telescopic rod (18), and the mounting ring (19) is rotatably sleeved on the mounting rod (4).