Thermal grease dispensing mechanism for cooling fins

Abstract

The utility model discloses a radiating fin thermal grease dispensing mechanism, and relates to the technical field of radiating fin production, the radiating fin thermal grease dispensing mechanism comprises a base and a feeding tool, the upper end of the base is fixedly connected with a workbench, the right side of the front end of the workbench is provided with a lifting plate, a lifting assembly is arranged between the lifting plate and the workbench, and the lifting assembly is connected with the feeding tool. The upper end of the lifting plate is fixedly connected with a mounting base, and a displacement base is arranged on the upper end face of the mounting base. According to the thermal grease dispensing mechanism for the cooling fins, the dispensing needle cylinder, the feeding tool, the transmission assembly and the like are arranged, a pushing air cylinder drives a transmission rack to move, a transmission gear synchronously drives a connecting shaft rod to rotate, the feeding tool is driven to turn over, one product clamp moves to the outer side to conduct feeding and discharging operation, and the other product clamp is used for dispensing machining; and meanwhile, the feeding amount of the dispensing needle cylinder is controlled through the glue extruding device, automatic dispensing machining is achieved, unification of the dispensing amount is guaranteed, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sink production, in particular to a heat sink grease application mechanism. Background Art

[0002] Thermal paste is a paste-like substance with good thermal conductivity (but mostly non-electrical conductivity). It is generally used at the interface between heat sinks and heat sources (such as high-power semiconductor components). The main function of thermal paste is to remove air or gaps at the interface (air has poor thermal conductivity) to maximize the amount of heat conduction. Therefore, in the production of heat sinks, thermal paste needs to be dispensed onto the product surface.

[0003] When applying thermal paste to a heat sink, it is usually done manually through a syringe. The amount of paste dispensed is difficult to control, which affects the quality of the paste dispensed. The work efficiency is low and it is time-consuming and labor-intensive. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a mechanism for applying thermal paste to a heat sink, which solves the problems that the amount of glue applied is difficult to control, affecting the quality of the thermal paste applied, and the work efficiency is low and time-consuming and labor-intensive.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a heat sink thermal paste application mechanism, comprising a base and a feeding tool, the upper end of the base is fixedly connected to a workbench, a lifting plate is arranged on the right side of the front end of the workbench, a lifting assembly is arranged between the lifting plate and the workbench, the upper end of the lifting plate is fixedly connected to a mounting seat, a displacement seat is arranged on the upper end surface of the mounting seat, a movable cylinder is fixedly installed on the right end of the mounting seat, a glue dispensing syringe is installed on the upper end of the displacement seat, a glue dispensing head is installed on the left end of the glue dispensing syringe, a glue squeezing device is installed on the right end of the glue dispensing syringe, a pushing cylinder is fixedly installed on the upper end of the workbench, the rear end of the feeding tool and the workbench are movably connected through a transmission assembly, and a positioning assembly is arranged on the left side of the front end of the workbench.

[0006] Preferably, the lifting assembly includes a guide rail and a guide slider, the guide rail is fixedly installed on the right side of the front end of the workbench, the rear end of the lifting plate is fixedly connected to the guide slider, the guide rail and the guide slider are slidably connected, and a lifting cylinder is fixedly installed on the lower end of the workbench through a connecting frame, and the telescopic end of the lifting cylinder is fixedly connected to the lower end of the lifting plate.

[0007] Preferably, a slide rail is fixedly mounted on the upper end surface of the mounting seat, a slide seat is fixedly connected to the lower end of the displacement seat, the slide seat and the slide rail are slidably connected, and the telescopic end of the movable cylinder is fixedly connected to the right end of the displacement seat.

[0008] Preferably, the glue squeezing device and the glue dispensing syringe are detachably connected, the glue squeezing device is a feeding cylinder, and the output end of the feeding cylinder extends to the inner side of the glue dispensing syringe where a feeding piston is fixedly installed.

[0009] Preferably, product clamps are provided at both left and right ends of the feeding tooling, and clamping grooves are provided on the product clamps. Clamping baffles are provided on the sides of the surface of the product clamps, and the clamping baffles are designed in an L-shaped structure. One end of the clamping baffle extends into the clamping groove and is slidably connected to the product clamp, and the other end of the clamping baffle is movably connected to the feeding tooling through a spring.

[0010] Preferably, the transmission assembly includes a transmission box, which is fixedly connected to the right side of the upper end of the workbench, and a connecting shaft is provided in the transmission box. The front and rear ends of the connecting shaft are rotatably connected to the transmission box, and the surface of the connecting shaft is located on the inner side of the transmission box and is fixedly connected to a transmission gear. The front end of the connecting shaft extends to the front side of the transmission box and is fixedly connected to a feeding tooling, and the rear end of the connecting shaft extends to the rear side of the transmission box and is fixedly installed with a limit stop block.

[0011] Preferably, the output end of the pushing cylinder is fixedly connected to a transmission rack, the end of the transmission rack away from the pushing cylinder passes through the transmission box from left to right, and is slidably connected to the transmission box, the transmission rack is meshingly connected to the transmission gear, and the upper end of the workbench is located at the rear side of the transmission box and is fixedly installed with a limit bolt, two of the limit bolts are located on the left and right sides of the transmission box, and the upper end surface of the limit bolt is adapted to the limit stop block.

[0012] Preferably, the positioning assembly includes a positioning cylinder, the left side of the front end of the workbench and the positioning cylinder are fixedly connected via a fixing plate, the output end of the positioning cylinder extends to the rear side of the fixing plate and is fixedly connected with a positioning block, and the positioning block is adapted to the product fixture.

[0013] Beneficial Effects

[0014] The utility model provides a heat sink point heat dissipation paste mechanism. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The heat sink dispensing paste mechanism is equipped with a dispensing syringe, a feeding tooling and a transmission component. The push cylinder drives the transmission rack to move, and the transmission gear synchronously drives the connecting shaft to rotate, driving the feeding tooling to flip. One product fixture moves to the outside for loading and unloading operations, and the other product fixture is used for dispensing processing, which ensures processing efficiency. At the same time, the feeding amount of the dispensing syringe is controlled by the glue squeezing device to realize automatic dispensing processing, ensure the uniformity of the dispensing amount, and ensure product quality.

[0016] 2. The heat sink thermal paste dispensing mechanism is equipped with a lifting component, a movable cylinder and a positioning component. Each time the feeding tooling is flipped, the movable cylinder drives the displacement seat to move, and the dispensing head is away from the product fixture, which is convenient for the flipping of the product fixture. The lifting component is used to drive the mounting seat to move, and the position of the dispensing head is adjusted. The movable cylinder is adapted to adjust the dispensing position. When the product is installed in the product fixture, the positioning cylinder is used to drive the positioning block to move, and the front side of the product is positioned to ensure the accuracy of feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the lifting component of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the transmission box of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the feeding tooling of the utility model.

[0022] In the figure: 1. base; 2. workbench; 3. lifting plate; 4. lifting assembly; 41. guide rail; 42. guide slide block; 43. lifting cylinder; 5. mounting seat; 51. slide rail; 6. displacement seat; 61. slide seat; 7. movable cylinder; 8. dispensing syringe; 9. dispensing head; 10. glue squeezing device; 11. feeding tool; 111. product fixture; 112. clamping baffle; 12. pushing cylinder; 121. transmission rack; 13. transmission assembly; 131. transmission box; 132. connecting shaft rod; 133. transmission gear; 134. limit block; 135. limit bolt; 14. positioning assembly; 141. positioning cylinder; 142. fixing plate; 143. positioning block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a heat sink heat dissipation paste mechanism, including a base 1 and a feeding tool 11, the upper end of the base 1 is fixedly connected with a workbench 2, a lifting plate 3 is arranged on the right side of the front end of the workbench 2, a lifting assembly 4 is arranged between the lifting plate 3 and the workbench 2, the lifting assembly 4 includes a guide rail 41 and a guide slider 42, a guide rail 41 is fixedly installed on the right side of the front end of the workbench 2, a guide slider 42 is fixedly connected to the rear end of the lifting plate 3, the guide rail 41 and the guide slider 42 are slidably connected, a lifting cylinder 43 is fixedly installed at the lower end of the workbench 2 through a connecting frame, the telescopic end of the lifting cylinder 43 is fixedly connected to the lower end of the lifting plate 3, and the upper end of the lifting plate 3 A mounting seat 5 is fixedly connected, a displacement seat 6 is arranged on the upper end surface of the mounting seat 5, a movable cylinder 7 is fixedly installed on the right end of the mounting seat 5, a slide rail 51 is fixedly installed on the upper end surface of the mounting seat 5, a slide seat 61 is fixedly connected to the lower end of the displacement seat 6, the slide seat 61 and the slide rail 51 are slidably connected, the telescopic end of the movable cylinder 7 is fixedly connected to the right end of the displacement seat 6, the lifting cylinder 43 is used to drive the lifting plate 3 to move up and down, and the guide rail 41 and the guide slider 42 slide to achieve limit, so that the height of the mounting seat 5 can be adjusted, and the movable cylinder 7 drives the displacement seat 6 to move, and the slide seat 61 and the slide rail 51 slide to achieve limit, thereby adjusting the position of the displacement seat 6, which is convenient for adjusting the dispensing position;

[0025] A dispensing syringe 8 is installed at the upper end of the displacement seat 6, a dispensing head 9 is installed at the left end of the dispensing syringe 8, a glue squeezing device 10 is installed at the right end of the dispensing syringe 8, the glue squeezing device 10 and the dispensing syringe 8 are detachably connected, the glue squeezing device 10 is a feeding cylinder, the output end of the feeding cylinder extends to the inner side of the dispensing syringe 8 and a feeding piston is fixedly installed, the left and right ends of the feeding fixture 11 are provided with product fixtures 111, the product fixture 111 is provided with a clamping groove, and the side of the surface of the product fixture 111 is provided with a clamping baffle 112, the clamping baffle 112 is designed in an L-shaped structure, and one end of the clamping baffle 112 It extends into the clamping groove and is slidably connected to the product fixture 111. The other end of the clamping baffle 112 is movably connected to the feeding fixture 11 through a spring. The two product fixtures 111 are installed on the left and right sides of the feeding fixture 11, so that one product fixture 111 moves to the outside for loading and unloading operations, and the other product fixture 111 is used for dispensing processing, which improves the processing efficiency. When the product is placed, the clamping baffle 112 is used to clamp and fix the product to prevent the product from escaping from the product fixture 111. The thermal paste in the dispensing syringe 8 is pushed by the glue squeezing device 10, and the dispensing operation is performed by the dispensing head 9;

[0026] A pushing cylinder 12 is fixedly installed on the upper end of the workbench 2, and the rear end of the feeding tooling 11 and the workbench 2 are movably connected through a transmission assembly 13. The transmission assembly 13 includes a transmission box 131. The right side of the upper end of the workbench 2 is fixedly connected to the transmission box 131, and a connecting shaft 132 is arranged in the transmission box 131. The front and rear ends of the connecting shaft 132 are rotatably connected to the transmission box 131. The surface of the connecting shaft 132 is located on the inner side of the transmission box 131 and is fixedly connected with a transmission gear 133. The front end of the connecting shaft 132 extends to the front side of the transmission box 131 and is fixedly connected to the feeding tooling 11. The rear end of the connecting shaft 132 extends to the rear side of the transmission box 131 and is fixedly installed with a limited stopper 134. The output end of the pushing cylinder 12 is fixedly connected to a transmission rack 121, and the transmission rack 121 is away from the pushing cylinder 12. One end of the cylinder 12 passes through the transmission box 131 from left to right, and is slidably connected with the transmission box 131, the transmission rack 121 and the transmission gear 133 are meshed and connected, and the upper end of the workbench 2 is located at the rear side of the transmission box 131 and fixedly installed with a limit bolt 135. The limit bolt 135 is located on the left and right sides of the transmission box 131 and is provided with two, and the upper end surface of the limit bolt 135 is adapted to the limit stopper 134. The push cylinder 12 is used to drive the transmission rack 121 to move, and the transmission gear 133 synchronously drives the connecting shaft 132 to rotate, and drives the feeding tool 11 to flip, which is convenient for loading and unloading when the product is glued, and each time the connecting shaft 132 rotates, the limit stopper 134 is synchronously driven to rotate, and the limit stopper 134 is limited by the limit bolt 135, so that the feeding tool 11 remains horizontal after flipping;

[0027] A positioning assembly 14 is provided on the left side of the front end of the workbench 2. The positioning assembly 14 includes a positioning cylinder 141. The left side of the front end of the workbench 2 is fixedly connected to the positioning cylinder 141 through a fixing plate 142. The output end of the positioning cylinder 141 extends to the rear side of the fixing plate 142 and is fixedly connected with a positioning block 143. The positioning block 143 is adapted to the product fixture 111. The positioning cylinder 141 is used to drive the positioning block 143 to move. When loading, the positioning block 143 positions the front side of the product, which is convenient for positioning the product when loading.

[0028] During operation, two product fixtures 111 are installed on the left and right sides of the feeding fixture 11, so that one product fixture 111 moves to the outside for loading and unloading operations, and the other product fixture 111 is used for dispensing processing. During processing, the product is first placed in the product fixture 111, and the elasticity of the spring is used to make the clamping baffle 112 clamp the product to prevent it from falling off. After loading, the push cylinder 12 is used to drive the transmission rack 121 to move, and the transmission gear 133 synchronously drives the connecting shaft 132 to rotate, driving the feeding fixture 11 to flip, and the product is transported to the right, and the lifting cylinder 43 drives the lifting plate 3 to move up and down, and the sliding of the guide rail 41 and the guide slider 42 is used to achieve limit, and the height of the mounting seat 5 can be adjusted, and the movable cylinder 7 drives The displacement seat 6 moves, and the slide seat 61 and the slide rail 51 slide to achieve limiting, thereby adjusting the position of the displacement seat 6, which is convenient for adjusting the dispensing position. The dispensing head 9 is located above the product, and the thermal paste in the dispensing syringe 8 is pushed by the glue squeezing device 10, and the dispensing head 9 performs the dispensing operation. After the dispensing is completed, the pushing cylinder 12 retracts, and the transmission rack 121 moves, so that the transmission gear 133 drives the connecting shaft 132 to rotate in the opposite direction, and the feeding tooling 11 flips in the opposite direction. The product after dispensing is sent to the outside for unloading, and a new product is put in for dispensing, which ensures work efficiency. When loading, the positioning cylinder 141 is used to drive the positioning block 143 to move. When loading, the positioning block 143 positions the front side of the product, which is convenient for positioning the product when loading.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A heat sink thermal paste mechanism, comprising a base (1) and a feeding tool (11), characterized in that: The upper end of the base (1) is fixedly connected to a workbench (2), a lifting plate (3) is arranged on the right side of the front end of the workbench (2), a lifting assembly (4) is arranged between the lifting plate (3) and the workbench (2), the upper end of the lifting plate (3) is fixedly connected to a mounting seat (5), the upper end surface of the mounting seat (5) is arranged with a displacement seat (6), the right end of the mounting seat (5) is fixedly mounted with a movable cylinder (7), the upper end of the displacement seat (6) is mounted with a dispensing syringe (8), the left end of the dispensing syringe (8) is mounted with a dispensing head (9), the right end of the dispensing syringe (8) is mounted with a glue squeezing device (10), the upper end of the workbench (2) is fixedly mounted with a pushing cylinder (12), the rear end of the feeding tool (11) and the workbench (2) are movably connected via a transmission assembly (13), and a positioning assembly (14) is arranged on the left side of the front end of the workbench (2).

2. The heat sink point heat dissipation paste mechanism according to claim 1, characterized in that: The lifting assembly (4) comprises a guide rail (41) and a guide slide block (42); the guide rail (41) is fixedly installed on the right side of the front end of the workbench (2); the rear end of the lifting plate (3) is fixedly connected to the guide slide block (42); the guide rail (41) and the guide slide block (42) are slidably connected; a lifting cylinder (43) is fixedly installed on the lower end of the workbench (2) via a connecting frame; the telescopic end of the lifting cylinder (43) is fixedly connected to the lower end of the lifting plate (3).

3. The heat sink point heat dissipation paste mechanism according to claim 1, characterized in that: A slide rail (51) is fixedly mounted on the upper end surface of the mounting seat (5), a slide seat (61) is fixedly connected to the lower end of the displacement seat (6), the slide seat (61) and the slide rail (51) are slidably connected, and the telescopic end of the movable cylinder (7) is fixedly connected to the right end of the displacement seat (6).

4. The heat sink point heat dissipation paste mechanism according to claim 1, characterized in that: The glue squeezing device (10) and the glue dispensing syringe (8) are detachably connected, and the glue squeezing device (10) is a feeding cylinder, and the output end of the feeding cylinder extends to the inner side of the glue dispensing syringe (8) and is fixedly mounted with a feeding piston.

5. The heat sink point heat dissipation paste mechanism according to claim 1, characterized in that: Product clamps (111) are provided at both left and right ends of the feeding fixture (11), and a clamping groove is provided on the product clamp (111). A clamping baffle (112) is provided on the side of the surface of the product clamp (111), and the clamping baffle (112) is designed in an L-shaped structure. One end of the clamping baffle (112) extends into the clamping groove and is slidably connected to the product clamp (111), and the other end of the clamping baffle (112) is movably connected to the feeding fixture (11) through a spring.

6. The heat sink point heat dissipation paste mechanism according to claim 1, characterized in that: The transmission assembly (13) comprises a transmission box (131), the transmission box (131) is fixedly connected to the right side of the upper end of the workbench (2), a connecting shaft (132) is arranged in the transmission box (131), the front and rear ends of the connecting shaft (132) are rotatably connected to the transmission box (131), the surface of the connecting shaft (132) is located on the inner side of the transmission box (131) and is fixedly connected to a transmission gear (133), the front end of the connecting shaft (132) extends to the front side of the transmission box (131) and is fixedly connected to the feeding tool (11), and the rear end of the connecting shaft (132) extends to the rear side of the transmission box (131) and is fixedly installed with a limit stopper (134).

7. The heat sink point heat dissipation paste mechanism according to claim 6, characterized in that: The output end of the push cylinder (12) is fixedly connected with a transmission rack (121); one end of the transmission rack (121) away from the push cylinder (12) penetrates the transmission box (131) from left to right and is slidably connected to the transmission box (131); the transmission rack (121) is meshedly connected with the transmission gear (133); the upper end of the workbench (2) is located at the rear side of the transmission box (131) and is fixedly installed with a limit bolt (135); two limit bolts (135) are arranged on the left and right sides of the transmission box (131), and the upper end surface of the limit bolt (135) is adapted to the limit stopper (134).

8. The heat sink thermal paste mechanism according to claim 5, characterized in that: The positioning assembly (14) comprises a positioning cylinder (141); the left side of the front end of the workbench (2) is fixedly connected to the positioning cylinder (141) via a fixing plate (142); the output end of the positioning cylinder (141) extends to the rear side of the fixing plate (142) and is fixedly connected to a positioning block (143); the positioning block (143) is adapted to fit the product fixture (111).

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