Die cutting device for heat-conducting gasket
By designing a die-cutting device with a rotating rod, collar, and cutting components, the problems of inconvenient cutting and damage in existing devices are solved, enabling flexible cutting and high-quality cutting of thermal pads.
Patent Information
- Application Number
- CN202422871611.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing thermal pad die-cutting equipment is not convenient for cutting pads of different sizes, and the cutting edge of the pad is easily damaged during the cutting process.
A die-cutting device comprising a rotating rod, a collar, a moving rod, and a cutting assembly is designed. The position of the collar is adjusted by a hydraulic rod, the moving rod is moved by a linkage rod, and the rotating rod is rotated by a motor to achieve cutting of different sizes. The cutting area is supported by rollers to prevent breakage.
It enables flexible cutting of thermal pads, avoids damage during the cutting process, and improves cutting quality.
Smart Images

Figure CN223685587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of heat-conducting gasket processing, in particular to a heat-conducting gasket die cutting device. BACKGROUND
[0002] Heat-conducting gaskets are used to fill the air gap between heat-generating devices and heat sinks or metal bases. Their flexible and elastic characteristics enable them to be used to cover very uneven surfaces. Heat is conducted from the separated devices or the entire PCB to the metal shell or diffusion plate, thereby improving the efficiency and service life of the heat-generating electronic components. Heat-conducting gaskets are cut into different sizes using a die cutting device during production. However, common die cutting devices are not convenient for cutting gaskets of different sizes, and the cutting process of the cutting knife and the cutting of the gasket plate is prone to damage, thereby affecting the quality of the cut gasket. Therefore, the present application proposes a heat-conducting gasket die cutting device. SUMMARY
[0003] In view of the above problems of the existing heat-conducting gasket die cutting device, the utility model is proposed.
[0004] Therefore, the utility model aims to provide a heat-conducting gasket die cutting device, which solves the problem that common die cutting devices are not convenient for cutting gaskets of different sizes and are prone to damage during the cutting process.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat-conducting gasket die cutting device, comprising a rotating rod, a bearing is fixedly sleeved on the top of the side wall of the rotating rod, a top plate is arranged above the rotating rod, a plurality of supporting rods are uniformly and fixedly installed between the outer ring wall of the bearing and the bottom of the top plate, a motor is fixedly installed on the top of the top plate, the output end of the motor is fixedly connected with the top of the rotating rod through the top plate, a sleeve ring is movably sleeved on the rotating rod, horizontal rods are fixedly installed on both sides of the rotating rod, moving rods are movably sleeved on the two horizontal rods, linkage rods are movably connected between the top of the two moving rods and the two sides of the sleeve ring, the moving rods are L-shaped, and the vertical part of the moving rod extends downward to the cutting assembly and is fixedly connected therewith.
[0006] Preferably, the cutting assembly comprises a connecting rod, a cutting knife and two rollers, the connecting rod is in a horizontal state, the bottom end of the vertical part of the moving rod is fixedly connected at the center of the top of the connecting rod, annular grooves are formed at both ends of the side wall of the connecting rod, the two rollers are rotatably sleeved in the two annular grooves on the connecting rod, the cutting knife is fixedly installed at the center of the bottom of the connecting rod, and the outer diameter of the roller is greater than the diameter of the connecting rod.
[0007] Preferably, the two sides of the sleeve ring are fixedly provided with first fixing members, and the centers of the top of the horizontal part of the two moving rods are fixedly provided with second fixing members, and the two ends of the linkage rod are rotatably sleeved on the corresponding first fixing member and second fixing member.
[0008] Preferably, the two sides of the rotating rod and below the horizontal rod are fixedly provided with positioning rods, and the side of the vertical part of the two moving rods is provided with through holes, and the two positioning rods are movably inserted into the through holes on the corresponding moving rod.
[0009] Preferably, one end of the horizontal part of the moving rod is provided with a rod groove, the rod groove of the horizontal part of the moving rod is movably sleeved on the horizontal rod, the top and bottom of the rod groove opening are provided with first semicircular grooves, the two first semicircular grooves are provided with rotatable first balls, the part of the two first balls extending out of the first semicircular groove abuts against the outer wall of the horizontal rod, the bottom of the one end of the horizontal rod in the rod groove is provided with a second semicircular groove, and the two second semicircular grooves are provided with rotatable second balls, and the part of the two second balls extending out of the second semicircular groove abuts against the inner wall of the rod groove.
[0010] Preferably, the side wall of the rotating rod is provided with a slot, the inner wall of the sleeve ring is fixedly provided with a fixed rod movably inserted into the slot, the top of the slot is provided with a storage groove, and the storage groove is fixedly provided with a hydraulic rod, and the telescopic end of the hydraulic rod extends into the slot and is fixedly connected to the top of the fixed rod.
[0011] In the above technical scheme, the technical effects and advantages of the utility model are provided:
[0012] By controlling the extension of the hydraulic rod, the sleeve ring can change its position height, under the action of the linkage rod, the movement of the sleeve ring can drive the moving rod to move in the direction of the horizontal rod, thereby changing the horizontal position of the two moving rods, and then the position of the cutting assembly at the bottom end of the moving rod can be adjusted, finally controlling the motor to drive the rotating rod to rotate can make the cutting assembly realize the cutting of different size gaskets, and in the cutting process, the two rollers in the cutting assembly will be pressed on both sides of the gasket cutting position, so that the damage of the gasket in the cutting process due to resistance can be avoided. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0014] Figure 1 It is a schematic view of the overall structure of the utility model;
[0015] Figure 2 It is a structure schematic view of the partial section of the utility model;
[0016] Figure 3 It is a structure schematic view of the connecting of the sleeve ring and the moving rod of the utility model;
[0017] Figure 4 It is a structure schematic view of the cutting assembly of the utility model;
[0018] Figure 5 It is a structure schematic view of the section of the horizontal rod and the moving rod of the utility model.
[0019] Explanation of reference signs:
[0020] 1, rotating rod; 2, bearing; 3, top plate; 4, support rod; 5, motor; 6, notch; 7, sleeve ring; 8, fixed rod; 9, horizontal rod; 10, moving rod; 11, first fixing part; 12, second fixing part; 13, linkage rod; 14, connecting rod; 15, cutter; 16, annular groove; 17, roller; 18, through hole; 19, positioning rod; 20, hydraulic rod; 21, first ball; 22, second ball. Specific implementation
[0021] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in combination with the drawings.
[0022] The utility model provides a kind of heat-conducting gasket die cutting device as shown in Figures 1-5 It is a structure schematic view of the connecting of the sleeve ring and the moving rod of the utility model;It includes rotating rod 1, the top of rotating rod 1 side wall is fixed with bearing 2, top plate 3 is arranged in the upper of rotating rod 1, the outer ring wall between bearing 2 and the bottom of top plate 3 is evenly and fixedly installed with multiple support rods 4, motor 5 is fixedly installed on the top of top plate 3, the output end of motor 5 is fixedly connected with the top of rotating rod 1 by penetrating top plate 3, sleeve ring 7 is movably connected on rotating rod 1, horizontal rod 9 is fixedly installed on the both sides of rotating rod 1, moving rod 10 is movably connected on the both horizontal rods 9, linkage rod 13 is movably connected between the top of two moving rods 10 and the both sides of sleeve ring 7, moving rod 10 is set as L shape, and the vertical part of moving rod 10 extends downward to cutting assembly and is fixedly connected with it, by adjusting the spacing between two cutting assemblies and rotating rod 1, then rotating rod 1 is rotated by controlling motor 5, so that the cutter 15 in the cutting assembly on the both sides of rotating rod 1 can cut gasket of different sizes.
[0023] In order to let cutting assembly cut gasket smoothly, as shown in Figure 3 And Figure 4As shown in the cutting assembly includes a link rod 14, 15 and two cutting knife 17, the link rod 14 is in a horizontal state, the bottom end of the vertical part of the moving rod 10 is fixedly connected at the center of the top of the link rod 14, the two ends of the side wall of the link rod 14 are provided with annular grooves 16, two rollers 17 are respectively rotatably sleeved in the two annular grooves 16 on the link rod 14, the cutting knife 15 is fixedly installed at the center of the bottom of the link rod 14, the outer diameter of the roller 17 is greater than the diameter of the link rod 14, by adjusting the position of the cutting assembly, different sizes of gaskets can be cut, and the two rollers 17 in the cutting assembly can always press on both sides of the cutting part of the gasket during cutting, so that the cutting knife 15 at the bottom of the link rod 14 can smoothly cut the gasket, and the cutting part of the gasket will not move and wrinkle due to the pressing of the two rollers 17.
[0024] In order to enable the sleeve ring 7 to drive the moving rod 10 to move when moving, as shown in Figure 1 and Figure 3 As shown, the two sides of the sleeve ring 7 are fixedly installed with first fixing members 11, and the centers of the top of the horizontal part of the two moving rods 10 are fixedly installed with second fixing members 12, and the two ends of the linkage rod 13 are rotatably sleeved on the corresponding first fixing members 11 and second fixing members 12, so that the two ends of the linkage rod 13 can freely rotate around the first fixing members 11 and the second fixing members 12, thereby realizing the position movement of the sleeve ring 7 driving the moving rod 10 through the linkage rod 13.
[0025] In order to increase the stability of the moving rod 10 during movement, as shown in Figure 1 and Figure 3 As shown, the two sides of the rotating rod 1 and below the horizontal rod 9 are fixedly installed with positioning rods 19, and the side surfaces of the vertical parts of the two moving rods 10 are provided with through holes 18, and the two positioning rods 19 are respectively movably inserted into the through holes 18 on the corresponding moving rods 10, under the cooperation of the positioning rods 19 and the horizontal rod 9, the moving rod 10 cannot be angularly inclined, so that the moving rod 10 can only move horizontally in the left and right positions.
[0026] In order to make the moving rod 10 move more smoothly on the horizontal rod 9, as shown in Figure 5As shown, the end of the horizontal section of the moving rod 10 is provided with a rod groove, the rod groove of the horizontal section of the moving rod 10 is movably sleeved on the cross rod 9, the top and bottom of the opening of the rod groove are provided with a first semicircular groove, the two first semicircular grooves are provided with rotatable first rolling balls 21, the parts of the two first rolling balls 21 extending out of the first semicircular groove are abutted on the outer wall of the cross rod 9, the bottom of the end of the cross rod 9 in the rod groove is provided with a second semicircular groove, the two second semicircular grooves are provided with rotatable second rolling balls 22, the parts of the two second rolling balls 22 extending out of the second semicircular groove are abutted on the inner wall of the rod groove, the contact area between the cross rod 9 and the inner wall of the rod groove can be reduced through the first rolling balls 21 and the second rolling balls 22, so as to reduce the friction therebetween, so that the moving rod 10 is more labor-saving when moving left and right along the cross rod 9.
[0027] Finally, in order to adjust the position height of the sleeve ring 7 on the rotating rod 1, as shown in Figure 1 and Figure 2 As shown, the side wall of the rotating rod 1 is provided with a slot 6, the inner wall of the sleeve ring 7 is fixedly installed with a fixed rod 8 penetratingly inserted in the slot 6, the top of the slot 6 is provided with a storage groove, the storage groove is fixedly installed with a hydraulic rod 20, the telescopic end of the hydraulic rod 20 extends into the slot 6 and is fixedly connected to the top of the fixed rod 8, the sleeve ring 7 can be prevented from rotating on the rotating rod 1 through the fixed rod 8, then the telescopic end of the hydraulic rod 20 is controlled to push the fixed rod 8 to move in the slot 6, so as to drive the sleeve ring 7 to adjust the position height on the rotating rod 1.
[0028] When cutting gaskets of different sizes, the position height of the sleeve ring 7 on the rotating rod 1 is changed by controlling the expansion of the hydraulic rod 20, under the action of the linkage rod 13, the movement of the sleeve ring 7 can drive the moving rod 10 to move in the direction of the cross rod 9, so as to change the horizontal position of the two moving rods 10, and then the position of the cutting assembly at the bottom end of the moving rod 10 can be adjusted, when the position of the cutting knife 15 in the two cutting assemblies is the same as the position of the gasket to be cut away from the axis of the rotating rod 1, the motor 5 on the top plate 3 is controlled, so that the output end of the motor 5 drives the rotating rod 1 to rotate between the inner wall of the bearing 2, the rotation of the rotating rod 1 can drive the two cutting assemblies to rotate, so as to realize the cutting of gaskets of different sizes, and in the process of cutting, the two rollers 17 in the cutting assembly will be pressed on both sides of the cutting position of the gasket, so as to avoid the damage of the gasket due to resistance in the cutting process.
[0029] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A thermal pad die-cutting device, comprising a rotating rod (1), characterized in that: A bearing (2) is fixedly sleeved on the top of the side wall of the rotating rod (1). A top plate (3) is provided above the rotating rod (1). Multiple support rods (4) are evenly and fixedly installed between the outer ring wall of the bearing (2) and the bottom of the top plate (3). A motor (5) is fixedly installed on the top of the top plate (3). The output end of the motor (5) passes through the top plate (3) and is fixedly connected to the top of the rotating rod (1). A collar (7) is movably sleeved on the rotating rod (1). A crossbar (9) is fixedly installed on both sides of the rotating rod (1). A moving rod (10) is movably sleeved on both crossbars (9). A linkage rod (13) is movably connected between the top of the two moving rods (10) and both sides of the collar (7). The moving rod (10) is L-shaped, and the vertical part of the moving rod (10) extends downward to the cutting assembly and is fixedly connected to it.
2. The thermal pad die-cutting device according to claim 1, characterized in that: The cutting assembly includes a connecting rod (14), a cutter (15), and two rollers (17). The connecting rod (14) is horizontal. The bottom end of the vertical part of the moving rod (10) is fixedly connected to the center of the top of the connecting rod (14). Annular grooves (16) are provided at both ends of the side wall of the connecting rod (14). The two rollers (17) are respectively rotatably fitted into the two annular grooves (16) on the connecting rod (14). The cutter (15) is fixedly installed at the center of the bottom of the connecting rod (14). The outer diameter of the roller (17) is larger than the diameter of the connecting rod (14).
3. The thermal pad die-cutting device according to claim 1, characterized in that: Both sides of the collar (7) are fixedly installed with first fixing parts (11), and the center of the top of the horizontal part of the two moving rods (10) is fixedly installed with second fixing parts (12). The two ends of the linkage rod (13) are respectively rotated and sleeved on the corresponding first fixing parts (11) and second fixing parts (12).
4. The thermal pad die-cutting device according to claim 1, characterized in that: Positioning rods (19) are fixedly installed on both sides of the rotating rod (1) and below the crossbar (9). Through holes (18) are opened on the sides of the vertical part of the two moving rods (10). The two positioning rods (19) are respectively movable and inserted into the through holes (18) on the corresponding moving rods (10).
5. The thermal pad die-cutting device according to claim 1, characterized in that: The moving rod (10) has a rod groove at one end of its horizontal section. The rod groove of the moving rod (10) is movably sleeved on the crossbar (9). A first semi-circular groove is provided at the top and bottom of the opening of the rod groove. A rotatable first ball (21) is provided in each of the two first semi-circular grooves. The parts of the two first balls (21) extending out of the first semi-circular grooves abut against the outer wall of the crossbar (9). A second semi-circular groove is provided at the bottom and bottom of the end of the crossbar (9) located in the rod groove. A rotatable second ball (22) is provided in each of the two second semi-circular grooves. The parts of the two second balls (22) extending out of the second semi-circular grooves abut against the inner wall of the rod groove.
6. The thermal pad die-cutting device according to claim 1, characterized in that: The rotating rod (1) has a slot (6) on its side wall. A fixing rod (8) is fixedly installed between the inner walls of the collar (7) and inserted into the slot (6). A storage slot is provided at the top of the slot (6). A hydraulic rod (20) is fixedly installed in the storage slot. The telescopic end of the hydraulic rod (20) extends into the slot (6) and is fixedly connected to the top of the fixing rod (8).