Injection mold with water-cooling heat dissipation structure
By introducing a water-cooled heat dissipation structure into the injection mold, the problems of long mold cooling time and temperature difference are solved, enabling rapid cooling and efficient production of injection molded products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-04-10
AI Technical Summary
During the injection molding process, the mold cavity temperature is high and the natural cooling time is long, resulting in low part processing efficiency and easy generation of temperature difference defects.
Design an injection mold with a water-cooled heat dissipation structure. The water-cooling section sets up water-cooling channels in the upper and lower molds and circulates cooling water in the cooling water tank. Combined with the docking section and the heat dissipation section, the cooling water is delivered and dissipated evenly, ensuring uniform cooling inside the mold.
It enables rapid cooling and molding of injection molded products, improves production efficiency, reduces manual intervention time, reduces water consumption, and avoids the impact of temperature differences on product quality.
Smart Images

Figure CN224103467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, specifically, relate to a kind of injection mold with water cooling heat dissipation structure. BACKGROUND
[0002] Injection mold is a tool for producing plastic products;It is also a tool for giving plastic products complete structure and accurate size, injection molding is a processing method used when mass-producing some complex-shaped parts;Specifically, heated and melted plastic is injected into mold cavity by injection molding machine at high pressure, and after cooling and solidification, the shaped product is obtained.
[0003] During the processing and production of parts, the mold cavity temperature is high during injection molding, and the mold cannot be released until it has been cooled for a certain period of time. Cooling time is too long, which is not convenient for the rapid molding of auxiliary parts in the injection mold, resulting in a decrease in the efficiency of part processing. Therefore, in order to shorten the solidification time of the injection mold, a water cooling mechanism can be provided inside the lower mold to facilitate rapid product molding. However, this method can only cool the local part of the product, and cannot effectively cool the top of the product, which may cause temperature differences at different positions during the cooling process, which may cause defects in the product. SUMMARY
[0004] The utility model aims at providing an injection mold with water cooling heat dissipation structure to solve the above problems.
[0005] In order to achieve the above-mentioned purpose, the utility model embodiment provides an injection mold with water cooling heat dissipation structure, which comprises a processing table, a control frame installed on the upper surface of the processing table, a lower mold installed on the upper surface of the control frame, an upper mold arranged directly above the lower mold, and a cooling water tank fixed at the bottom of the processing table.
[0006] Water cooling part, the water cooling part is assembled on the upper mold and the lower mold, and the water cooling part is in communication with the cooling water tank.
[0007] The two abutment parts are symmetrically arranged on the water cooling part.
[0008] The material pushing part is installed on the lower mold and the control frame.
[0009] The heat dissipation part is installed on the cooling water tank.
[0010] The two abutment parts are used to complete the through of the water cooling part when the upper mold and the lower mold are abutted, so that the water in the cooling water tank enters the water cooling part.
[0011] The heat dissipation part is used for dissipating heat from the water cooling part.
[0012] Further, the water cooling part comprises a plurality of upper water cooling channels and lower water cooling channels arranged in the upper die and the lower die, two equal flow pipes connected to both ends of the upper water cooling channels through pipe joints, two transition pipes connected to both ends of the lower water cooling channels through pipe joints, a water delivery pipe and a water discharge pipe respectively connected to the middle portions of the two transition pipes, a water pump installed at the bottom of the processing table, and a water inlet pipe connected to one end of the water pump and extending to the bottom of the cooling water tank.
[0013] The other end of the water delivery pipe is connected to the water outlet end of the water pump.
[0014] Further, the butt joint part comprises an upper joint connected to the middle portion of the lower end of the equal flow pipe, a lower joint connected to the transition pipe and corresponding to the upper joint, a butt joint pipe threadedly installed at the bottom of the upper joint, a top sealing spring arranged in the butt joint pipe and connected to the upper end of the inner wall of the butt joint pipe, a sealing plug fixed to the bottom of the top sealing spring and sealing the lower end of the butt joint pipe, a guide frame fixed to the upper end of the inner wall of the butt joint pipe, a guide rod movably connected to one end of the guide frame and fixedly connected to the other end of the sealing plug.
[0015] Further, the butt joint part further comprises a sealing sleeve fixedly sleeved on the upper end of the lower joint and corresponding to the lower end of the outer wall of the butt joint pipe, a sealing ring movably sleeved on the upper end of the lower joint and arranged in the sealing sleeve, and a top through rod fixed to the upper end of the inner wall of the lower joint.
[0016] Further, the heat dissipation part comprises an equal flow box fixedly installed in the cooling water tank and connected to the other end of the water discharge pipe, a plurality of equal flow grooves equally spaced on the equal flow box, a flow guide cover fixedly installed on the outer wall of the equal flow box and arranged at the lower ends of the equal flow grooves, a heat dissipation fin fixedly installed on the cooling water tank and arranged directly below the flow guide cover, an air inlet cover fixedly installed on the cooling water tank and covering the outside of the heat dissipation fin, and two heat dissipation fans installed on the upper end of the air inlet cover.
[0017] Further, a plurality of corresponding mold cavities are arranged on the upper die and the lower die, a material delivery groove is arranged on the lower die and connected to the mold cavities, an injection port corresponding to the material delivery groove is arranged on the upper die, a plurality of alignment rods are fixedly installed at the four corners of the lower die, and a plurality of alignment grooves corresponding to the alignment rods are arranged on the upper die.
[0018] Further, the top material part comprises a control seat movably assembled in the control frame, a plurality of limiting rods movably connected to the control seat and fixedly connected to the processing table and the lower mold at two ends respectively, a plurality of reset springs movably sleeved outside the plurality of limiting rods and fixedly connected to the control seat and the lower mold at two ends respectively, a plurality of top material rods fixed on the control seat and extending into the plurality of mold cavities through the lower mold, and two control rods symmetrically movably installed on the lower mold and fixed to the upper surface of the control seat.
[0019] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:
[0020] The injection mold with the water cooling heat dissipation structure can effectively deliver the cooling water in the cooling water tank to the plurality of upper water cooling channels and lower water cooling channels in the upper mold and lower mold simultaneously and uniformly after the upper mold is in contact with the lower mold to complete injection, so that the upper mold and lower mold are cooled to ensure the rapid forming of the injection products in the upper mold and lower mold.
[0021] The injection mold with the water cooling heat dissipation structure can effectively deliver the cooling water in the cooling water tank to the plurality of upper water cooling channels and lower water cooling channels in the upper mold and lower mold to complete cooling, and then the cooling water is delivered back to the cooling water tank and cooled by the heat dissipation part to reduce the water temperature of the cooling water after use, so that the cooling water is recycled and cooled to a certain extent during the circulation, the frequent replacement of the cooling water is avoided, and the water resource consumption is effectively reduced.
[0022] The injection mold with the water cooling heat dissipation structure can effectively deliver the cooling water in the cooling water tank to the plurality of upper water cooling channels and lower water cooling channels in the upper mold and lower mold to complete cooling, and then the cooling water is delivered back to the cooling water tank and cooled by the heat dissipation part to reduce the water temperature of the cooling water after use, so that the cooling water is recycled and cooled to a certain extent during the circulation, the frequent replacement of the cooling water is avoided, and the water resource consumption is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0023] The utility model is further described below in combination with the drawings and embodiments.
[0024] Figure 1A perspective view of the utility model is shown;
[0025] Figure 2 A partial perspective view of the utility model is shown;
[0026] Figure 3 A partial side view of the utility model is shown;
[0027] Figure 4 A partial cutaway perspective view of the utility model is shown;
[0028] Figure 5 A partial split perspective view of the utility model is shown;
[0029] Figure 6 A partial cutaway view of the utility model is shown.
[0030] In the drawings
[0031] 1, processing platform, 2, control frame, 3, lower mold, 4, upper mold, 5, cooling water tank, 6, water cooling part, 7, butt joint, 8, material ejecting part, 9, heat dissipation part, 10, upper water cooling channel, 11, lower water cooling channel, 12, flow equalizing pipe, 13, transition pipe, 14, water delivery pipe, 15, drain pipe, 16, water pump, 17, water inlet pipe, 18, upper joint, 19, lower joint, 20, butt joint pipe, 21, top sealing spring, 22, sealing plug, 23, guide frame, 24, guide rod, 25, sealing sleeve, 26, sealing ring, 27, top through rod, 28, flow equalizing box, 29, flow equalizing groove, 30, flow guide cover, 31, heat dissipation fin, 32, air inlet cover, 33, heat dissipation fan, 34, mold cavity, 35, material delivery groove, 36, injection port, 37, alignment rod, 38, alignment groove, 39, control seat, 40, limiting rod, 41, return spring, 42, material ejecting rod, 43, control rod. DETAILED DESCRIPTION
[0032] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the structure related to the utility model.
[0033] As Figures 1-6 Indicated, a kind of injection mold with water-cooling heat dissipation structure, comprising: processing platform 1, control frame 2 being installed on the upper surface of the processing platform 1, lower mold 3 being installed on the upper surface of the control frame, upper mold 4 being arranged directly above the lower mold 3, cooling water tank 5 being fixed in the bottom of the processing platform 1;
[0034] Water cooling part 6, the water cooling part 6 is assembled on the upper mold 4 and the lower mold 3, and the water cooling part 6 is communicated with the cooling water tank 5;
[0035] The two butt joints 7 are symmetrically arranged on the water cooling part 6;
[0036] The ejection part 8 is installed on the lower mold 3 and the control frame 2;
[0037] The heat dissipation part 9 is installed on the cooling water tank 5, wherein
[0038] The two butt joints 7 are used to complete the through of the water cooling part 6 when the upper mold 4 and the lower mold 3 butt joint, so that the water in the cooling water tank 5 enters the water cooling part 6;
[0039] The heat dissipation part 9 is used to dissipate the water discharged from the water cooling part 6;
[0040] In use, the upper mold 4 is close to the lower mold 3, at this time, under the cooperation of the two butt joints 7, the two flow equalizing pipes 12 are respectively communicated with the two transition pipes 13, and then when the water cooling part 6 works, the cooling water in the cooling water tank 5 can be simultaneously delivered to the plurality of upper water cooling channels 10 and lower water cooling channels 11 respectively located in the upper mold 4 and the lower mold 3, so as to cool the upper mold 4 and the lower mold 3, ensure the cooling efficiency of the injection product in the mold, improve the production efficiency of the product, and because under the cooperation of the flow equalizing pipe 12 and the transition pipe 13, the plurality of upper water cooling channels 10 and lower water cooling channels 11 simultaneously deliver the cooling water, the upper and lower sides of the product are cooled at the same time, the cooling uniformity of the product is effectively improved, and the temperature difference of the cooling water at different positions of the product is avoided to affect the production quality of the product; when the injection product is cooled, the upper mold 4 is separated from the lower mold 3, and under the control of the ejection part 8, the injection product in the lower mold 3 can be automatically ejected, the time for workers to take out the finished product in the injection mold is effectively reduced, and the production efficiency of the injection product is further improved; and when the upper mold 4 is separated from the lower mold 3, under the control of the two butt joints 7, the communication parts of the two flow equalizing pipes 12 and the transition pipes 13 can be simultaneously closed, so as to avoid the cooling water remaining in the plurality of upper water cooling channels 10 and the two flow equalizing pipes 12 from dropping on the lower mold 3, avoid pollution and corrosion of the lower mold 3, prevent the cooling water from entering the injection cavity 34, and affect the quality of the subsequent injection product; and after the cooling water in the cooling water tank 5 cools the upper mold 4 and the lower mold 3, the cooling water is delivered back to the cooling water tank 5 and is cooled under the control of the heat dissipation part 9, so as to reduce the water temperature of the cooling water after use, make the cooling water circulate, and the cooling water can be cooled to a certain extent during the circulation process, so as to avoid frequent replacement of the cooling water and effectively reduce the consumption of water resources.
[0041] Optionally, the water cooling part 6 comprises a plurality of upper water cooling channels 10 and lower water cooling channels 11 formed in the upper mold 4 and the lower mold 3, two flow equalization pipes 12 connected to both ends of the plurality of upper water cooling channels 10 through pipe joints, two transition pipes 13 connected to both ends of the plurality of lower water cooling channels 11 through pipe joints, a water supply pipe 14 and a water discharge pipe 15 connected to the middle parts of the two transition pipes 13 respectively, a water pump 16 installed at the bottom of the processing table 1, a water inlet pipe 17 connected to the water inlet end of the water pump 16 and extending to the bottom of the cooling water tank 5;
[0042] The other end of the water supply pipe 14 is connected to the water outlet end of the water pump 16. When the upper mold 4 and the lower mold 3 are connected, the two flow equalization pipes 12 are connected to the two transition pipes 13 under the cooperation of the two connecting parts 7, and then the water pump 16 is set to work after injection molding. The cooling water in the cooling water tank 5 is transported into one of the transition pipes 13 through the water inlet pipe 17 and the water supply pipe 14, and then is divided into a plurality of lower water cooling channels 11, and then is transported into the other transition pipe 13. At the same time, the cooling water transported into one of the transition pipes 13 also enters one of the flow equalization pipes 12, enters a plurality of upper water cooling channels 10, and then is discharged into the other transition pipe 13 through the other flow equalization pipe 12. The cooling water transported through the plurality of lower water cooling channels 11 is transported into the cooling water tank 5 through the water discharge pipe 15. The upper mold 4 and the lower mold 3 are cooled and radiated at the same time, so that the product is quickly formed. Through a set of water supply pipes 14 and water discharge pipes 15, the cooling water in the cooling water tank 5 can be recycled, the upper mold 4 and the lower mold 3 are fully radiated, the cooling effect is improved, and resources are saved.
[0043] Optionally, the docking portion 7 comprises an upper joint 18 communicated in the middle of the lower end of the flow equalizing pipe 12, a lower joint 19 communicated in the transition pipe 13 and corresponding to the upper joint 18, a docking pipe 20 threadedly installed at the bottom of the upper joint 18, a top sealing spring 21 arranged in the docking pipe 20 and connected with the upper end of the inner wall of the docking pipe 20, a sealing plug 22 fixed at the bottom of the top sealing spring 21 and sealing the lower end of the docking pipe 20, a guide bracket 23 fixed at the upper end of the inner wall of the docking pipe 20, a guide rod 24 movably connected with one end of the guide bracket 23 and fixedly connected with the other end of the sealing plug 22. When the water cooling portion 6 completes the cooling of the upper mold 4 and the lower mold 3, and the upper mold 4 moves up to be separated from the lower mold 3, the sealing plug 22 is pushed by the elastic force of the top sealing spring 21 to seal the lower end of the docking pipe 20, thereby avoiding the residual water solution in the two flow equalizing pipes 12 and the plurality of upper water cooling channels 10 from flowing to the lower mold 3 through the docking pipe 20, causing pollution to the lower mold 3, and making the lower mold 3 corrode or rust during long-term use, and avoiding affecting the quality of the injection molding product and the normal mold splitting of the upper mold 4 and the lower mold 3.
[0044] Optionally, the docking portion 7 further comprises a sealing sleeve 25 fixedly sleeved on the upper end of the lower joint 19 and matched with the lower end of the outer wall of the docking pipe 20, a sealing ring 26 movably sleeved on the upper end of the lower joint 19 and arranged in the sealing sleeve 25, and a top through rod 27 fixed on the upper end of the inner wall of the lower joint 19. During the process of the upper mold 4 moving down to dock with the lower mold 3, the top through rod 27 pushes the sealing plug 22 to move up, compresses the top sealing spring 21, and thus makes the docking pipe 20 in a flowing state, and the lower joint 19 and the upper joint 18 are communicated with each other under the cooperation of the sealing sleeve 25 and the sealing ring 26, thereby facilitating the water solution transported by the water delivery pipe 14 to enter the flow equalizing pipe 12 through the transition pipe 13, and the water solution in the flow equalizing pipe 12 to be discharged into the filter pipe, and ensuring that the cooling water can smoothly pass through the plurality of upper water cooling channels 10 to water cool the upper mold 4.
[0045] Optionally, the heat dissipation part 9 comprises a flow equalizing box 28 fixed in the cooling water tank 5 and connected to the other end of the drain pipe 15, a plurality of flow equalizing grooves 29 equidistantly arranged on the flow equalizing box 28, a flow guide cover 30 fixed to the outer wall of the flow equalizing box 28 and arranged at the lower end of the plurality of flow equalizing grooves 29, a heat dissipation fin 31 fixed to the cooling water tank 5 and arranged directly below the flow guide cover 30, an air cover 32 fixed to the cooling water tank 5 and arranged outside the heat dissipation fin 31, and two heat dissipation fans 33 installed on the upper end of the air cover 32. When the water solution completes cooling of the upper mold 4 and the lower mold 3 and is discharged into the cooling water tank 5 through the drain pipe 15, the water solution enters the flow equalizing box 28 and is uniformly discharged through the plurality of flow equalizing grooves 29, and forms a water curtain under the cooperation of the flow guide cover 30 and falls onto the heat dissipation fin 31, so that the heat carried by the water solution is transferred to the heat dissipation fin 31. Under the working of the two heat dissipation fans 33, the air in the air cover 32 flows at high speed and directly blows through the surface of the heat dissipation fin 31, thereby destroying the air boundary layer and realizing rapid heat exchange between the heat dissipation fin 31 and the air, thereby effectively cooling the cooling water in the circulation process to a certain extent, avoiding the influence of the high temperature of the cooling water on the cooling effect of the upper mold 4 and the lower mold 3, and directly replacing the cooling water in the cooling water tank 5 when the heat dissipation part 9 is used for a long time and the temperature of the cooling water reaches a use threshold.
[0046] Optionally, a plurality of corresponding mold cavities 34 are arranged on the upper mold 4 and the lower mold 3, a material conveying groove 35 is arranged on the lower mold 3 and communicates with the plurality of mold cavities 34, an injection port 36 corresponding to the material conveying groove 35 is arranged on the upper mold 4, a plurality of alignment rods 37 are fixed to the four corners of the lower mold 3, and a plurality of alignment grooves 38 corresponding to the alignment rods 37 are arranged on the upper mold 4. During the process of moving the upper mold 4 and abutting against the lower mold 3, the plurality of alignment rods 37 cooperate with the plurality of alignment grooves 38 to effectively limit the horizontal movement of the upper mold 4, ensure the abutting accuracy of the upper mold 4 and the lower mold 3, and improve the use stability of the abutting part 7. After abutting, the molten plastic raw material can be conveyed into the material conveying groove 35 through the injection port 36, and then uniformly conveyed into the plurality of mold cavities 34 through the material conveying groove 35 for injection molding.
[0047] Optionally, the top material part 8 comprises a control seat 39 movably assembled in the control frame 2, a plurality of limiting rods 40 movably connected to the control seat 39 and fixedly connected to the processing table 1 and the lower mold 3 at both ends, a plurality of reset springs 41 movably sleeved outside the plurality of limiting rods 40 and fixedly connected to the control seat 39 and the lower mold 3 at both ends, a plurality of top material rods 42 fixed on the control seat 39, penetrating through the lower mold 3 and extending into the plurality of mold cavities 34, and two control rods 43 symmetrically movably mounted on the lower mold 3 and fixed to the upper surface of the control seat 39. In the process of the upper mold 4 moving downward and contacting the lower mold 3, the two control rods 43 are pushed downward, thereby driving the control seat 39 to move downward under the limitation of the plurality of limiting rods 40, so that the plurality of reset springs 41 are stretched and the plurality of top material rods 42 are driven to move downward, so that the plurality of mold cavities 34 on the lower mold 3 are not blocked by the top material rods 42. When the injection molding is completed and the upper mold 4 is separated from the lower mold 3, the control seat 39 moves upward under the limitation of the plurality of limiting rods 40 under the elastic force of the plurality of reset springs 41, thereby driving the plurality of top material rods 42 to push the material in the plurality of mold cavities 34 out of the lower mold 3, which is beneficial to save the time of workers taking out the finished products in the injection mold and facilitate to ensure the production efficiency of the plastic products.
[0048] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An injection mold with a water-cooled heat dissipation structure, characterized in that, The utility model relates to a kind of injection mould with water cooling heat dissipation structure, including: Processing platform (1), control frame (2) is installed on the upper surface of the processing platform (1), lower mould (3) is installed on the upper surface of the control frame, upper mould (4) is arranged in the upper of the lower mould (3), cooling water tank (5) is fixed in the bottom of the processing platform (1); Water cooling part (6), the water cooling part (6) is assembled on the upper mould (4) with the lower mould (3), and the water cooling part (6) is communicated with the cooling water tank (5); Butt joint (7), two the butt joint (7) symmetry is arranged on the water cooling part (6); Material top part (8), the material top part (8) is installed on the lower mould (3) with the control frame (2); Heat dissipation part (9), the heat dissipation part (9) is installed on the cooling water tank (5), wherein Two the butt joint (7) is used when the upper mould (4) and the lower mould (3) butt joint, the through of the water cooling part (6) is completed, and then the water in the cooling water tank (5) is made into the water cooling part (6); The heat dissipation part (9) is used to the water that is discharged from the water cooling part (6) carries out heat dissipation.
2. The injection mould with water cooling heat dissipation structure according to claim 1, wherein The water cooling part (6) includes a plurality of upper water cooling channels (10) and lower water cooling channels (11) opened in the upper mould (4) and the lower mould (3), two equal-flow pipes (12) connected to both ends of the plurality of upper water cooling channels (10) through pipe joints, two transition pipes (13) connected to both ends of the plurality of lower water cooling channels (11) through pipe joints, a water delivery pipe (14) and a water discharge pipe (15) respectively connected to the middle portions of the two transition pipes (13), a water pump (16) installed at the bottom of the processing platform (1), an inlet water pipe (17) extended to the bottom of the cooling water tank (5) and connected to the inlet end of the water pump (16) at one end; The other end of the water delivery pipe (14) is connected to the outlet end of the water pump (16).
3. The injection mould with water cooling heat dissipation structure according to claim 2, wherein The butt joint (7) includes an upper joint (18) connected to the middle portion of the lower end of the equal-flow pipe (12), a lower joint (19) connected to the transition pipe (13) and corresponding to the upper joint (18), a butt joint pipe (20) threadedly installed at the bottom of the upper joint (18), a top sealing spring (21) arranged in the butt joint pipe (20) and connected to the inner wall of the butt joint pipe (20) at the upper end, a sealing plug (22) fixed to the bottom of the top sealing spring (21) and sealing the lower end of the butt joint pipe (20), a guide frame (23) fixed to the inner wall of the butt joint pipe (20) at the upper end, and a guide rod (24) movably connected to the guide frame (23) at one end and fixedly connected to the sealing plug (22) at the other end.
4. The injection mould with water cooling heat dissipation structure according to claim 3, wherein The docking portion (7) further comprises a sealing sleeve (25) fixedly sleeving the upper end of the lower connector (19) and matching the lower end of the outer wall of the docking pipe (20), a sealing ring (26) movably sleeving the upper end of the lower connector (19) and being arranged in the sealing sleeve (25), and a top through rod (27) fixed to the inner wall of the lower connector (19).
5. The injection mold with water-cooled heat dissipation structure according to claim 4, characterized in that, The heat dissipation portion (9) comprises a flow equalization box (28) fixed in the cooling water tank (5) and communicating with the other end of the drain pipe (15), a plurality of flow equalization grooves (29) equidistantly arranged on the flow equalization box (28), a flow guide cover (30) fixed to the outer wall of the flow equalization box (28) and arranged at the lower ends of the flow equalization grooves (29), a heat dissipation fin (31) fixed to the cooling water tank (5) and arranged directly below the flow guide cover (30), an air vent cover (32) fixed to the cooling water tank (5) and covering the outside of the heat dissipation fin (31), and two heat dissipation fans (33) installed at the upper end of the air vent cover (32).
6. The injection mold with water-cooled heat dissipation structure according to claim 1, characterized in that, The upper mold (4) and the lower mold (3) are provided with a plurality of corresponding mold cavities (34) on the upper mold (4) and the lower mold (3), the lower mold (3) is provided with a plurality of material conveying grooves (35) communicating with the mold cavities (34), the upper mold (4) is provided with a plurality of injection ports (36) corresponding to the material conveying grooves (35), a plurality of alignment rods (37) fixed to the four corners of the lower mold (3), and a plurality of alignment grooves (38) arranged on the upper mold (4) and corresponding to the alignment rods (37).
7. The injection mold with water-cooled heat dissipation structure according to claim 6, characterized in that, The material ejecting portion (8) comprises a control seat (39) movably assembled in the control frame (2), a plurality of limiting rods (40) movably connected to the control seat (39) and fixedly connected to the processing table (1) and the lower mold (3) at both ends, a plurality of return springs (41) movably sleeved outside the limiting rods (40) and fixedly connected to the control seat (39) and the lower mold (3) at both ends, a plurality of material ejecting rods (42) fixed to the control seat (39) and extending into the mold cavities (34) at the upper end of the lower mold (3), and two control rods (43) symmetrically movably installed on the lower mold (3) and fixed to the upper surface of the control seat (39).