Integrated injection mold for support pins
By employing a double-layer heat-insulating shell, heat-conducting oil, and serpentine tube circulating cold water design in the injection mold, the problem of low mold cooling efficiency is solved, achieving more efficient heat dissipation and temperature control.
Patent Information
- Application Number
- CN202423256741.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-29
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-29
AI Technical Summary
In the current injection mold cooling process, the heat dissipation efficiency of the cooling water is affected by the surrounding high temperature environment, resulting in poor cooling effect.
It adopts a double-layer heat-insulating shell design, filled with heat-conducting oil, and uses a serpentine tube to circulate cold water and a stirring mechanism to stir the heat-conducting oil. Combined with a vacuum chamber, it forms a heat insulation barrier to enhance heat transfer and uniform distribution.
It improves the heat dissipation efficiency of the mold, reduces heat radiation to the outside, lowers the working environment temperature, and improves the cooling effect.
Smart Images
Figure CN223630926U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pickup production technical field, concretely is a support pin integrated injection mold. BACKGROUND
[0002] The pickup support pin is the structural component of connecting the pickup and its installation position or circuit board, in order to improve the production efficiency of pickup support pin, currently commonly through injection mold to integrally form support pin, because can directly embed metal pin in the injection process, realizes more compact design.
[0003] In the prior art mold, usually with the way of air cooling or water cooling to carry out auxiliary cooling, but the temperature of the liquid in the lower mold can diffuse to the outside through the mold, so that the temperature of the surrounding air is higher than the room temperature, resulting in that the temperature of the air flow blown to the mold is relatively high, and the inlet temperature of the cooling water is also increased due to the increase of the ambient temperature, or the heat dissipation efficiency of the cooling water circulation system is affected by the high temperature of the surrounding environment, thereby the cooling effect is poor. UTILITY MODEL CONTENTS
[0004] The utility model discloses a support pin integrated injection mold, through setting up two heat insulation casing and filling heat conduction oil in casing, make the lower mold receive the cooling effect better, can reduce the heat radiation of lower mold to outside simultaneously, improve overall heat dissipation efficiency.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a support pin integrated injection mold, including injection cooling mechanism, be provided with stirring mechanism in the injection cooling mechanism, drive mechanism is arranged on one side of stirring mechanism;
[0006] The injection cooling mechanism includes base, lower mold and upper mold, the mounting bracket is fixed on the top of base, the air cylinder is fixed on the top of mounting bracket, one end of air cylinder penetrates mounting bracket and is fixedly connected with the top of upper mold, the first heat insulation casing and second heat insulation casing are fixed on the surface of lower mold, the bottom of first heat insulation casing and second heat insulation casing are fixedly connected with the top of base, the first heat insulation casing is located in second heat insulation casing, vacuum cavity is arranged between first heat insulation casing and second heat insulation casing, the first heat conduction fin is fixed on the surface of the front and rear sides of lower mold, the second heat conduction fin is fixed on the surface of the left and right sides of lower mold, the serpentine pipe is fixed on the surface of first heat conduction fin, the inlet pipe and outlet pipe are communicated with the both ends of serpentine pipe penetrating second heat insulation casing, the heat conduction oil is filled in first heat insulation casing, the inlet and outlet valve is fixed on the surface of second heat insulation casing and is fixed, and the inlet and outlet valve is communicated with the inside of first heat insulation casing.
[0007] As a kind of support pin integrated injection mold of the utility model, the first heat insulation shell inner wall bottom is fixed with multiple reinforcing ribs, and the reinforcing rib top is fixedly connected with lower mold bottom.
[0008] As a kind of support pin integrated injection mold of the utility model, the stirring mechanism includes stirring rod, the number of stirring rod is multiple, one end of stirring rod is rotatably connected with the inner wall of first heat insulation shell, multiple stirring blades are fixed on the surface of stirring rod, and outer rotor is fixed on one end of stirring rod.
[0009] As a kind of support pin integrated injection mold of the utility model, the first heat insulation shell inner wall is fixed with multiple U-shaped plates, the number of U-shaped plates is same as the number of stirring rod, the stirring rod penetrates U-shaped plate, seat bearing is fixed on the surface of U-shaped plate, and the inner wall of seat bearing is fixedly connected with the surface of stirring rod.
[0010] As a kind of support pin integrated injection mold of the utility model, the driving mechanism includes two side plates, the side plate is fixed on the top of base, the surface of side plate is fixed with connecting plate, multiple transmission shafts are rotatably connected on the surface of connecting plate, inner rotor is fixed on one end of transmission shaft, driving motor is fixed on one side of the surface of side plate, driving rod is penetrated through side plate and fixed on the output shaft of driving motor, multiple first bevel gears are fixed on the surface of driving rod, second bevel gears are engaged on the surface of first bevel gears, and the surface of second bevel gears is fixedly connected with the surface of transmission shaft.
[0011] As a kind of support pin integrated injection mold of the utility model, the first heat insulation shell and second heat insulation shell are made of stainless steel.
[0012] Compared with prior art, the utility model has the advantages of the following:
[0013] The utility model discloses a kind of support pin integrated injection mold, the design of first heat-conducting fin and second heat-conducting fin increases the contact area between the surface of lower mold and heat conducting oil, to enhance the heat transfer efficiency, so that heat can be faster from mold to heat conducting oil, cooperate with the cooling of cold water in serpentine pipe heat conducting oil, by this mode, cold water not only can take away the heat in heat conducting oil, also can indirectly cool down lower mold itself, and the design of heat conducting oil, can isolate lower mold and environment outside to some extent, reduce the heat radiation of lower mold to ambient air, to reduce working environment temperature, stirring mechanism can agitate heat conducting oil, prevent its stratification phenomenon due to temperature gradient, by continuous stirring, heat in heat conducting oil can be more evenly distributed, to improve heat exchange efficiency, and the cooperation of first heat insulation shell, second heat insulation shell and vacuum cavity can form a natural heat shield, to greatly reduce heat conduction and convection, because vacuum is almost without intermolecular heat transfer, so that heat of lower mold is not easy to be dispersed to surrounding environment. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a three-dimensional structure schematic view of another perspective of the utility model;
[0016] Figure 3 It is a sectional structure schematic view of the utility model;
[0017] Figure 4 It is a sectional structure schematic view of injection cooling mechanism in the utility model;
[0018] Figure 5 It is a structure schematic view of stirring mechanism in the utility model;
[0019] Figure 6 It is a structure schematic view of driving mechanism in the utility model.
[0020] In the drawing: 1, injection cooling mechanism;101, base;102, lower mold;103, upper mold;104, mounting bracket;105, air cylinder;106, first heat insulation shell;107, second heat insulation shell;108, vacuum cavity;109, first heat conduction fin;110, second heat conduction fin;111, serpentine pipe;112, water inlet pipe;113, water outlet pipe;114, reinforcing rib;2, stirring mechanism;201, stirring rod;202, stirring blade;203, outer rotor;204, U-shaped plate;205, bearing with seat;3, driving mechanism;301, side plate;302, connecting plate;303, transmission shaft;304, inner rotor;305, driving motor;306, driving rod;307, first bevel gear;308, second bevel gear;4, inlet and outlet valve. DETAILED DESCRIPTION
[0021] Please refer to Figures 1-6 A support pin integrated injection mold, including injection cooling mechanism 1, the inside of injection cooling mechanism 1 is provided with stirring mechanism 2, and stirring mechanism 2 side is provided with driving mechanism 3;
[0022] The injection molding cooling mechanism 1 comprises a base 101, a lower mold 102 and an upper mold 103, the top of the base 101 is fixedly provided with a mounting frame 104, the top of the mounting frame 104 is fixedly provided with a gas cylinder 105, one end of the gas cylinder 105 penetrates through the mounting frame 104 and is fixedly connected with the top of the upper mold 103, the surface of the lower mold 102 is fixedly provided with a first heat insulation shell 106 and a second heat insulation shell 107, the bottom of each of the first heat insulation shell 106 and the second heat insulation shell 107 is fixedly connected with the top of the base 101, the first heat insulation shell 106 is located inside the second heat insulation shell 107, a vacuum cavity 108 is arranged between the first heat insulation shell 106 and the second heat insulation shell 107, the front and rear surfaces of the lower mold 102 are both fixedly provided with first heat conduction fins 109, the left and right surfaces of the lower mold 102 are both fixedly provided with second heat conduction fins 110, the surface of each of the first heat conduction fins 109 is fixedly provided with a coiled pipe 111, the two ends of each of the coiled pipes 111 penetrates through the second heat insulation shell 107 and is respectively communicated with a water inlet pipe 112 and a water outlet pipe 113, the first heat insulation shell 106 is filled with heat conducting oil, the surface of the second heat insulation shell 107 penetrates and is fixedly provided with an inlet and outlet valve 4, the inlet and outlet valve 4 is communicated with the inside of the first heat insulation shell 106;
[0023] The gas cylinder 105 can drive the upper mold 103 to move up and down when started, so that the upper mold 103 can complete the closing operation with the lower mold 102, the inlet and outlet valve 4 can add or discharge heat conducting oil into the inside of the first heat insulation shell 106, and the water inlet pipe 112 can inject low-temperature cooling water into the inside of the coiled pipe 111, the cold energy of the low-temperature cooling water can be transmitted to the heat conducting oil through the coiled pipe 111, and then the low-temperature cooling water is discharged through the water outlet pipe 113, the design of the first heat conduction fins 109 and the second heat conduction fins 110 increases the contact area between the surface of the lower mold 102 and the heat conducting oil, thereby enhancing the heat conduction efficiency, so that heat can be transferred from the mold to the heat conducting oil more quickly, and the heat conducting oil is directly cooled by the cold water in the coiled pipe 111, in this way, the cold water can not only take away the heat in the heat conducting oil, but also indirectly cool the lower mold 102 itself, and the design of the heat conducting oil can isolate the lower mold 102 from the external environment to a certain extent, thereby reducing the heat radiation of the lower mold 102 to the surrounding air, and further reducing the working environment temperature, the stirring mechanism 2 can stir the heat conducting oil to prevent it from being stratified due to temperature gradient, through continuous stirring, the heat in the heat conducting oil can be more evenly distributed, thereby improving the heat exchange efficiency, and the cooperation of the first heat insulation shell 106, the second heat insulation shell 107 and the vacuum cavity 108 can form a natural heat insulation barrier, thereby greatly reducing heat conduction and convection, because the vacuum has almost no intermolecular heat transfer, so that the heat of the lower mold 102 is not easily dispersed to the surrounding environment.
[0024] Further, a plurality of reinforcing ribs 114 are fixedly arranged on the inner wall of the first heat insulation shell 106, and the top of each of the reinforcing ribs 114 is fixedly connected with the bottom of the lower mold 102;
[0025] The reinforcing rib 114 can provide a supporting effect for the bottom of the lower mold 102, thereby improving the stability of the lower mold 102 during use.
[0026] Further, the stirring mechanism 2 comprises a plurality of stirring rods 201, one end of each stirring rod 201 being rotatably connected to the inner wall of the first heat insulation shell 106, a plurality of stirring blades 202 being fixed to the surface of each stirring rod 201, and an outer rotor 203 being fixed to one end of each stirring rod 201.
[0027] The outer rotor 203 can be driven to rotate by magnetic force, which enables the plurality of stirring blades 202 to rotate simultaneously, thereby achieving the stirring effect of the stirring blades 202 on the heat conducting oil.
[0028] Further, a plurality of U-shaped plates 204 are fixed to the inner wall of the first heat insulation shell 106, the number of the U-shaped plates 204 being the same as that of the stirring rods 201, each stirring rod 201 penetrating through a U-shaped plate 204, a seat bearing 205 being fixed to the surface of each U-shaped plate 204, and the inner wall of each seat bearing 205 being fixedly connected to the surface of each stirring rod 201.
[0029] The seat bearing 205 can support the stirring rod 201, which can improve the stability of the stirring rod 201 during rotation and reduce the shaking.
[0030] Further, the driving mechanism 3 comprises two side plates 301 fixed to the top of the base 101, a connecting plate 302 fixed to the surface of each side plate 301, a plurality of transmission shafts 303 rotatably connected to the surface of the connecting plate 302, an inner rotor 304 fixed to one end of each transmission shaft 303, a driving motor 305 fixed to the surface of one side plate 301, a driving rod 306 penetrating through the side plate 301 and fixed to the output shaft of the driving motor 305, a plurality of first bevel gears 307 fixed to the surface of the driving rod 306, a second bevel gear 308 meshing with the surface of each first bevel gear 307, and the surface of each second bevel gear 308 being fixedly connected to the surface of each transmission shaft 303.
[0031] The inner rotor 304 and the outer rotor 203 form a magnetic coupling, the driving motor 305 can drive the driving rod 306 to rotate when started, and the driving rod 306 can drive the plurality of transmission shafts 303 to rotate synchronously through the meshing of the first bevel gears 307 and the second bevel gears 308, so that the transmission shafts 303 can drive the plurality of stirring rods 201 to rotate synchronously through the cooperation of the inner rotor 304 and the outer rotor 203.
[0032] Further, the first heat insulation shell 106 and the second heat insulation shell 107 are made of stainless steel.
[0033] The stainless steel has high tensile strength and yield strength, can maintain structural integrity when bearing large stress, can maintain good toughness even under low temperature conditions, is not easy to be brittle, and has less influence on the magnetic field, so that the magnetic coupling formed by the inner rotor 304 and the outer rotor 203 can be normally driven.
[0034] Working principle: when cooling is needed after injection molding, low-temperature cooling water is injected into the inside of the serpentine pipe 111 through the water inlet pipe 112, the coldness of the low-temperature cooling water can be transmitted to the heat conducting oil through the serpentine pipe 111, then the low-temperature cooling water is discharged through the water outlet pipe 113, the design of the first heat conducting fin 109 and the second heat conducting fin 110 increases the contact area between the surface of the lower mold 102 and the heat conducting oil, thereby enhancing the heat conduction efficiency, so that the heat can be transmitted from the mold to the heat conducting oil more quickly, and the heat conducting oil is directly cooled by the cold water in the serpentine pipe 111, in this way, the cold water can not only take away the heat in the heat conducting oil, but also indirectly cool the lower mold 102 itself, and the design of the heat conducting oil can isolate the lower mold 102 from the environment to a certain extent, reduce the heat radiation of the lower mold 102 to the surrounding air, and further reduce the working environment temperature, when the driving motor 305 is started, the multiple structures can be matched to stir the heat conducting oil with the multiple stirring blades 202, so as to prevent the heat conducting oil from being stratified due to temperature gradient, through continuous stirring, the heat in the heat conducting oil can be more evenly distributed, thereby improving the heat exchange efficiency, and the cooperation of the first heat insulation shell 106, the second heat insulation shell 107 and the vacuum cavity 108 can form a natural heat insulation barrier, thereby greatly reducing heat conduction and convection, because the vacuum has almost no intermolecular heat transfer, so that the heat of the lower mold 102 is not easy to be dispersed to the surrounding environment.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A stent lead integrated injection mold, comprising an injection cooling mechanism (1), characterized in that: The inside of the injection molding cooling mechanism (1) is provided with a stirring mechanism (2), one side of the stirring mechanism (2) is provided with a driving mechanism (3); The injection molding cooling mechanism (1) comprises a base (101), a lower mold (102) and an upper mold (103), the top of the base (101) is fixedly connected with a mounting frame (104), the top of the mounting frame (104) is fixedly connected with a gas cylinder (105), one end of the gas cylinder (105) penetrates through the mounting frame (104) and is fixedly connected with the top of the upper mold (103), the surface of the lower mold (102) is fixedly connected with a first heat insulation shell (106) and a second heat insulation shell (107), the bottom of the first heat insulation shell (106) and the second heat insulation shell (107) is fixedly connected with the top of the base (101), the first heat insulation shell (106) is located in the second heat insulation shell (107), a vacuum cavity (108) is arranged between the first heat insulation shell (106) and the second heat insulation shell (107), the surface of the lower mold (102) is fixedly connected with a first heat conduction fin (109) on the front and back sides, the surface of the lower mold (102) is fixedly connected with a second heat conduction fin (110) on the left and right sides, the surface of the first heat conduction fin (109) is fixedly connected with a serpentine pipe (111), the two ends of the serpentine pipe (111) penetrate through the second heat insulation shell (107) and are respectively connected with an inlet pipe (112) and an outlet pipe (113), the first heat insulation shell (106) is filled with heat conducting oil, the surface of the second heat insulation shell (107) penetrates and is fixedly connected with an inlet and outlet valve (4), the inlet and outlet valve (4) is in communication with the inside of the first heat insulation shell (106).
2. The stent lead integrally injection mold of claim 1, wherein: The bottom of the inner wall of the first heat insulation shell (106) is fixedly connected with a plurality of reinforcing ribs (114), and the top of the reinforcing ribs (114) is fixedly connected with the bottom of the lower mold (102).
3. The stent lead integrally injection mold of claim 1, wherein: The stirring mechanism (2) comprises a stirring rod (201), the number of the stirring rod (201) is multiple, one end of the stirring rod (201) is rotatably connected with the inner wall of the first heat insulation shell (106), a plurality of stirring blades (202) are fixedly connected to the surface of the stirring rod (201), and an outer rotor (203) is fixedly connected to one end of the stirring rod (201).
4. The stent lead integrally injection molded mold of claim 3, wherein: A plurality of U-shaped plates (204) are fixedly connected to the inner wall of the first heat insulation shell (106), the number of the U-shaped plates (204) is the same as that of the stirring rod (201), the stirring rod (201) penetrates through the U-shaped plate (204), a bearing with seat (205) is fixedly connected to the surface of the U-shaped plate (204), and the inner wall of the bearing with seat (205) is fixedly connected with the surface of the stirring rod (201).
5. The stent lead integrally injection molded mold of claim 1, wherein: Said drive mechanism (3) includes two side plates (301), the side plate (301) is fixed on the top of the base (101), the surface of the side plate (301) is fixed with a connecting plate (302), a plurality of transmission shafts (303) are rotatably connected to the surface of the connecting plate (302), one end of the transmission shaft (303) is fixed with an inner rotor (304), one side of the surface of the side plate (301) is fixed with a drive motor (305), the output shaft of the drive motor (305) penetrates the side plate (301) and is fixed with a drive rod (306), a plurality of first bevel gears (307) are fixed on the surface of the drive rod (306), the surface of the first bevel gear (307) is engaged with a second bevel gear (308), and the surface of the second bevel gear (308) is fixedly connected with the surface of the transmission shaft (303).
6. The stent lead integrally injection molded mold of claim 1, wherein: The first heat insulation shell (106) and the second heat insulation shell (107) are made of stainless steel.