Multi-section heat-conducting silica gel melting and extruding equipment
By combining stirring and vacuum pump in a multi-stage thermally conductive silicone melting and extrusion equipment, the problem of air bubbles during silicone melting was solved, thus improving product quality and stability.
Patent Information
- Application Number
- CN202421725710.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-07-22
AI Technical Summary
In existing technologies, air bubbles are easily formed during the melting process of silicone, resulting in uneven product surfaces and holes, which affects product quality and physical properties.
A multi-stage thermally conductive silicone melting and extrusion equipment is adopted, including a sol tank, an extrusion tank and a vacuum pump. The stirring mechanism and vacuum pump are used to remove air bubbles. The air bubbles are removed by the rotation and up-and-down movement of the stirring shaft, and a vacuum pump is set at the discharge port to extract the gas.
It effectively removes air bubbles, improves the quality and production stability of silicone, ensures a smooth product surface, and increases the density and strength of silicone.
Smart Images

Figure CN223559034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to multi -section type heat conduction silica gel melting extrusion technical field especially, relates to a kind of multi -section type heat conduction silica gel melting extrusion equipment. BACKGROUND
[0002] Multi -section type heat conduction silica gel melting extrusion is a kind of advanced technology, usually for the application of heat-conducting material, especially widely used in electronic equipment and industrial equipment, by multi -section extrusion, the physical and chemical properties of heat-conducting silica gel can be accurately controlled and optimized to ensure that the material has good heat-conducting performance.
[0003] After searching, the utility model of Chinese patent No. CN214521865U discloses a discharging device for silica gel strip extruder, which comprises a strip-shaped frame, a convex strip is arranged on the inner end face of the strip-shaped frame, a plurality of through holes are arranged on the convex strip, a plurality of discharge pipes are uniformly arranged at equal intervals on the outer end face of the strip-shaped frame, the outer end of the discharge pipe is bent downward and inclined, the discharge pipe is in communication with the through hole, a plurality of guard frames are vertically and equidistantly arranged on the top of the strip-shaped frame, a column pipe is arranged on the inner side of each guard frame, the column pipe is in communication with the strip-shaped frame, a ventilation structure is further arranged on the top of the column pipe, the ventilation structure comprises a case and an exhaust pipe, a fan is arranged in the case, and the bottom end of the case is connected with the exhaust pipe. The use of the plurality of discharge pipes outside the strip-shaped frame can ensure that the freshly produced silica gel strip can be sealed, cooled and transmitted, prevent dust from adhering, and make the silica gel strip fall evenly and keep clean.
[0004] However, the above-mentioned patent has the following problems in actual use:
[0005] During the production of silica gel products, the formation of air bubbles is usually closely related to the melting and extrusion process of silica gel. These air bubbles can be caused by the flowability of silica gel during extrusion or the trapping of air during the extrusion process. This phenomenon can cause the surface of the product to be uneven or have holes after extrusion, affecting the quality and appearance of the product, and the existence of air bubbles can also reduce the density and strength of the silica gel, reducing the physical properties of the product during use. UTILITY MODEL CONTENT
[0006] The utility model aims to solve the problem of air bubbles on the surface of the silica gel produced by the prior art, which affects the quality of the silica gel product, and proposes a multi -section type heat conduction silica gel melting extrusion equipment to solve this problem.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0008] The utility model provides a kind of multi-section heat-conducting silica gel melting extruding equipment, including sol box, extrusion box, vacuum pump, the outside of the extrusion box is provided with sol box, the outside of sol box is provided with feed inlet, the outside of sol box is provided with for stirring in the melting of silica gel stirring mechanism, the stirring mechanism includes motor and meshing connection's first gear and second gear, the output of motor is provided with rotating shaft, and first gear is coaxially connected with rotating shaft, second gear is slidably installed with stirring shaft, stirring shaft is equipped with stirring vane, the rotating shaft and stirring shaft between are equipped with poking mechanism, the inside of extrusion box is provided with for extruding extruding mechanism, the outside of extrusion box is provided with vacuum pump.
[0009] The above technical solution further comprises:
[0010] The poking mechanism includes a rotating shaft disposed inside the sol box, a worm fixedly connected to the outside of the rotating shaft, a turbine meshingly connected to the outside of the worm, a first connecting rod fixedly connected to the outside of the turbine, a second connecting rod rotatably connected to the side of the first connecting rod away from the turbine, a third connecting rod rotatably connected to the outside of the second connecting rod, a third gear fixedly connected to the side of the second connecting rod away from the second connecting rod, a helical rack meshingly connected to the outside of the third gear, a stirring shaft fixedly connected to the outside of the helical rack, and a fixed block slidably connected to the outside of the second gear for providing stable support and positioning.
[0011] The fixed block for providing stable support and positioning is provided with two, and the second gear is fixed between the two fixed blocks.
[0012] The third gear is fixedly connected to the inner wall of the sol box through a shaft.
[0013] The outside of the sol box is provided with a first temperature sensor for monitoring the temperature during the melting of silica gel, and the sensitive element of the first temperature sensor is fixedly connected with a heating wall for heating.
[0014] The outside of the sol box is provided with a first temperature sensor for monitoring the temperature during the melting of silica gel, and the sensitive element of the first temperature sensor is fixedly connected with a heating wall for heating.
[0015] The outside of the extrusion box is provided with a second temperature sensor for monitoring the temperature during the melting of silica gel, and the sensitive element of the second temperature sensor is fixedly connected with a cooling wall for cooling.
[0016] The outside of the extrusion box is provided with a pneumatic cylinder, the output end of the pneumatic cylinder is provided with a pneumatic rod, the pneumatic rod is fixedly connected with a push plate outside, and the push plate pushes the melted silica gel to the second discharge port.
[0017] The second discharge port is externally provided with a vacuum pump for protecting the second discharge port and extracting bubbles.
[0018] The second discharge port is externally provided with a vacuum pump for protecting the second discharge port and extracting bubbles.
[0019] The inside of the sol box is provided with a first discharge port which can be controlled to be closed, and the first discharge port is communicated with the inside of the extrusion box.
[0020] The utility model has the following beneficial effects:
[0021] 1、 the utility model discloses, the stirring shaft has the function of autorotation and up and down movement, can better the silica gel in heating is stirred, can also better remove the bubble produced when stirring simultaneously, improves the quality of the output silica gel.
[0022] 2、 the utility model discloses, multiple discharge ports can share system load, reduce the jam or failure problem that single discharge port can appear, thereby improve the stability and reliability of system.
[0023] 3、 the utility model discloses, the vacuum pump can be set up rapidly in the discharge port outside the gas of extrusion box is extracted, accelerates the discharge of silica gel, and can improve the quality of the output silica gel. DRAWINGS
[0024] Figure 1 The utility model provides a kind of structure diagram of multi-section type heat-conducting silica gel melting extruding equipment for the utility model;
[0025] Figure 2 It is the first structure diagram of the utility model;
[0026] Figure 3 It is the second structure diagram of the utility model;
[0027] Figure 4 It is the third structure diagram of the utility model;
[0028] Figure 5 It is the fourth structure diagram of the utility model;
[0029] Figure 6 It is the fifth structure diagram of the utility model;
[0030] In the diagram: 1. Sol tank; 2. Motor; 3. Feed inlet; 4. First temperature sensor; 5. First temperature sensor; 6. Cylinder; 7. Extrusion box; 8. Second discharge outlet; 9. Vacuum pump; 10. Air rod; 11. Push plate; 12. Cooling wall; 13. First discharge outlet; 14. Heating wall; 101. First gear; 102. Worm gear; 103. Turbine; 104. First connecting rod; 105. Second connecting rod; 106. Third connecting rod; 107. Third gear; 108. Helical rack; 109. Stirring shaft; 110. Second gear; 111. Fixed block; 112. Stirring blade; 200. Rotating shaft. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Example 1
[0033] like Figures 1-6 As shown, the present invention proposes a multi-stage thermally conductive silicone melting and extrusion device, including a melting tank 1, an extrusion tank 7, and a vacuum pump 9. The melting tank 1 is located outside the extrusion tank 7, and a feed inlet 3 is located outside the melting tank 1. A stirring mechanism for stirring the silicone during melting is located outside the melting tank 1. The stirring mechanism includes a motor 2 and a first gear 101 and a second gear 110 meshing with each other. A rotating shaft 200 is located at the output end of the motor 2, and the first gear 101 is coaxially connected to the rotating shaft 200. A stirring shaft 109 is slidably mounted on the second gear 110. A stirring blade 112 is provided on the stirring shaft 109. A turning mechanism is provided between the rotating shaft 200 and the stirring shaft 109. An extrusion mechanism for extruding is located inside the extrusion tank 7, and a vacuum pump 9 is located outside the extrusion tank 7.
[0034] In this embodiment, when working, the heating wall 14 is turned on to heat the device, the silica gel is put into the feeding port 3, the motor 2 is turned on, the motor 2 drives the first gear 101 and the rotating shaft 200 to rotate, the rotating shaft 200 drives the worm 102 to rotate, the worm 102 drives the turbine 103 to rotate through meshing, the turbine 103 drives the first connecting rod 104 to rotate, the first connecting rod 104 drives the second connecting rod 105 to make a curve motion, the second connecting rod 105 drives the third connecting rod 106 to make a reciprocating rotation, the third connecting rod 106 drives the third gear 107 to rotate, the third gear 107 drives the spiral rack 108 to move up and down through meshing, and the spiral rack 108 drives the stirring shaft 109 to move up and down synchronously; the first gear 101 drives the second gear 110 through meshing, so that the self-rotation and the up-and-down motion of the stirring mechanism are performed at the same time, so that the silica gel in the heating process can be better stirred, and the bubbles generated during stirring can also be better removed, and the quality of the output silica gel is improved.
[0035] At this time, when the above workflow is performed, whether the data displayed by the first temperature sensor 4 reaches the required temperature for melting the silica gel is checked.
[0036] Embodiment two
[0037] As shown in FIG. 1-6, based on the basis of embodiment one,
[0038] The stirring mechanism comprises a rotating shaft 200 arranged in the sol box 1, a worm 102 fixedly connected outside the rotating shaft 200, a turbine 103 meshingly connected outside the worm 102, a first connecting rod 104 fixedly connected outside the turbine 103, a second connecting rod 105 rotatably connected to one side of the first connecting rod 104 away from the turbine 103, a third connecting rod 106 rotatably connected outside the second connecting rod 105, a third gear 107 fixedly connected to one side of the third connecting rod 106 away from the second connecting rod 105, a spiral rack 108 meshingly connected outside the third gear 107, a stirring shaft 109 fixedly connected outside the spiral rack 108, and a fixed block 111 slidably connected outside the second gear 110 for providing stable support and positioning.
[0039] The turbine 103 is fixedly connected to the inner wall of the sol box 1 through a shaft, and the third gear 107 is fixedly connected to the inner wall of the sol box 1 through a shaft.
[0040] The sol box 1 is provided with a first temperature sensor 4 outside for monitoring the temperature during melting of the silica gel, and the sensitive element of the first temperature sensor 4 is fixedly connected with a heating wall 14 for heating.
[0041] The extrusion box 7 is provided with a second temperature sensor 5 outside for monitoring the temperature during melting of the silica gel, and the sensitive element of the second temperature sensor 5 is fixedly connected with a cooling wall 12 for cooling.
[0042] The outside of the extrusion box 7 is provided with a cylinder 6, the output end of the cylinder 6 is provided with a gas rod 10, the outside of the gas rod 10 is fixedly connected with a push plate 11, and the push plate 11 pushes the melted silica gel to the second discharge port 8.
[0043] The outside of the second discharge port 8 is provided with a vacuum pump 9 for protecting the second discharge port 8 and extracting air bubbles.
[0044] The inside of the sol box 1 is provided with a controllable first discharge port 13, and the first discharge port 13 is communicated with the inside of the extrusion box 7.
[0045] In the embodiment, after heating, melting and stirring, the silica gel enters the extrusion box 7 through the first discharge port 13, and whether the display data of the second temperature sensor 5 is in the required temperature condition is checked; if the temperature exceeds the range, the cooling wall 12 for cooling is started; when the temperature is within the specified range, the cylinder 6 is started, the cylinder 6 drives the gas rod 10 to move, the gas rod 10 drives the push plate 11 to work, the silica gel is pushed to the second discharge port 8, and then the air bubbles in the silica gel and the gas in the device are extracted by the vacuum pump 9, which can accelerate the discharge of the silica gel and improve the quality of the silica gel.
[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-stage heat-conducting silica gel melting and extruding device, comprising a sol tank (1), an extruding tank (7), and a vacuum pump (9), characterized in that: The outside of the extrusion box (7) is provided with a sol box (1), the outside of the sol box (1) is provided with a feeding port (3), the outside of the sol box (1) is provided with a stirring mechanism for stirring silica gel melting, the stirring mechanism comprises a motor (2) and a first gear (101) and a second gear (110) engagedly connected, the output end of the motor (2) is provided with a rotating shaft (200), and the first gear (101) is coaxially connected with the rotating shaft (200), a stirring shaft (109) is slidably installed on the second gear (110), the stirring shaft (109) is provided with stirring blades (112), a poking mechanism is arranged between the rotating shaft (200) and the stirring shaft (109), the inside of the extrusion box (7) is provided with an extrusion mechanism for extruding, and the outside of the extrusion box (7) is provided with a vacuum pump (9).
2. A multi-stage heat-conducting silicone melt extrusion device according to claim 1, characterized in that: The poking mechanism comprises a rotating shaft (200) arranged in the sol box (1), the rotating shaft (200) is fixedly connected with a worm (102) outside, the worm (102) is engagedly connected with a turbine (103) outside, the turbine (103) is fixedly connected with a first connecting rod (104) outside, the first connecting rod (104) is rotatably connected with a second connecting rod (105) away from the turbine (103), the second connecting rod (105) is rotatably connected with a third connecting rod (106) outside, the third connecting rod (106) is fixedly connected with a third gear (107) away from the second connecting rod (105), the third gear (107) is engagedly connected with a helical rack (108) outside, the helical rack (108) is fixedly connected with the stirring shaft (109) outside, and the second gear (110) is slidably connected with a fixed block (111) for providing stable support and positioning.
3. A multi-stage heat-conducting silicone melt extrusion device according to claim 2, characterized in that: The turbine (103) is fixedly connected with the inner wall of the sol box (1) through a shaft, and the third gear (107) is fixedly connected with the inner wall of the sol box (1) through a shaft.
4. A multi-stage heat conducting silicone melt extrusion apparatus as claimed in claim 1, wherein: The outside of the sol box (1) is provided with a first temperature sensor (4) for monitoring the temperature in the silica gel melting, and the sensitive element of the first temperature sensor (4) is fixedly connected with a temperature rising wall (14) for heating.
5. A multi-stage heat conducting silicone melt extrusion apparatus as claimed in claim 1, wherein: The outside of the extrusion box (7) is provided with a second temperature sensor (5) for monitoring the temperature during the silica gel melting, and the sensitive element of the second temperature sensor (5) is fixedly connected with a temperature reducing wall (12) for temperature reduction.
6. A multi-stage heat conducting silicone melt extrusion apparatus as claimed in claim 1, wherein: The outside of the extrusion box (7) is provided with a pneumatic cylinder (6), the output end of the pneumatic cylinder (6) is provided with a gas rod (10), the gas rod (10) is fixedly connected with a push plate (11) outside, and the push plate (11) pushes the melted silica gel to the second discharge port (8).
7. A multi-stage heat-conducting silicone melt extrusion device according to claim 6, characterized in that: The outside of the second discharge port (8) is provided with a vacuum pump (9) for protecting the second discharge port (8) and extracting air bubbles.
8. A multi-stage heat conducting silicone melt extrusion apparatus as claimed in claim 1, wherein: The inside of the sol box (1) is provided with a first discharge port (13) which can be controlled to be closed, and the first discharge port (13) communicates with the inside of the extrusion box (7).
Citation Information
Patent Citations
Discharging device for silica gel strip extruder
CN214521865U