A two-color molding machine with an efficient heat dissipation device

Abstract

The present invention relates to the technical field related to two-color molding machines, and specifically to a two-color molding machine with an efficient heat dissipation device. The two-color molding machine with an efficient heat dissipation device includes a two-color molding machine main body and a molding mold arranged on the two-color molding machine main body, and is characterized in that: the molding mold includes a lower base plate, an upper base plate, a lower mold and an upper mold, the lower base plate is fixedly connected to the mold platform of the two-color molding machine main body, and the upper base plate is fixedly connected to the lifting module of the hydraulic equipment on the two-color molding machine main body; a heat dissipation cavity is opened on the inner mold body, and an atomizing pipe is arranged in the heat dissipation cavity, so that water mist is sprayed into the heat dissipation cavity through the atomizing pipe, and high-pressure gas is transported into the heat dissipation cavity through an air intake pipe, so that the humidity of the gas is increased by water mist, thereby increasing the specific heat capacity of the airflow, so that the high-pressure airflow can take away more heat when flowing through the heat dissipation cavity, thereby effectively improving the heat dissipation efficiency of the molding mold, thereby effectively improving the molding efficiency of the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field related to a two-color molding machine, and in particular to a two-color molding machine with a high-efficiency heat dissipation device. Background Art

[0002] Two-color injection molding refers to the process of injecting two different materials into the same mold, so that the molded parts are formed by two materials. Some of the two materials are different colors, and some are different in hardness and softness, thereby improving the aesthetics and assembly performance of the product;

[0003] Since two-color injection molding requires two injection molding processes, the injection molded parts need to go through two cooling and shaping processes, so two-color injection molding requires a lot of time on cooling and shaping of the injection molded parts, resulting in a longer overall cycle of the two-color injection molding process, resulting in lower processing efficiency of the two-color injection molding. To this end, the present invention proposes a two-color molding machine with an efficient heat dissipation device to solve the above problem. Summary of the invention

[0004] The object of the present invention is to provide a two-color molding machine with an efficient heat dissipation device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a two-color molding machine with an efficient heat dissipation device, the two-color molding machine with an efficient heat dissipation device comprises a two-color molding machine host and a molding mold arranged on the two-color molding machine host, characterized in that: the molding mold comprises:

[0006] A lower base plate, the lower base plate being fixedly connected to a mold platform of a main machine of a two-color molding machine;

[0007] The upper base plate is fixedly connected to the lifting module of the hydraulic equipment on the main machine of the two-color molding machine:

[0008] A lower die, the lower die being fixedly connected to the lower base plate via a support seat;

[0009] An upper mold, the upper mold is fixedly connected to the lower surface of the upper base plate;

[0010] The lower mold and the upper mold are both composed of an outer mold body and an inner mold body, the inner mold body is embedded in the inner mold cavity of the outer mold body, and a mold cavity is opened on the inner mold body;

[0011] A heat dissipation cavity is provided on the inner mold body, and an atomization pipeline is arranged in the heat dissipation cavity.

[0012] Preferably, a demoulding ejector pin seat is installed on the lower bottom plate between the support seats, a demoulding ejector pin is arranged on the demoulding ejector pin seat, a primary ejector pin hole and a secondary ejector pin hole are respectively opened on the outer mold body and the inner mold body of the lower mold, and the primary ejector pin hole, the secondary ejector pin hole and the demoulding ejector pin are arranged correspondingly.

[0013] Preferably, a group of the heat dissipation cavities are symmetrically arranged, and the heat dissipation cavities on both sides are respectively located on both sides of the mold cavity, a front connecting groove and a rear connecting groove are respectively opened at the front and rear side ports of the heat dissipation cavity, and the front connecting grooves on both sides are connected through a front channel, and the rear connecting grooves on both sides are connected through a rear channel, an air inlet pipe through hole and a liquid inlet pipe through hole are opened on the front end surface of the outer mold body, and an exhaust pipe through hole and a liquid discharge pipe through hole are opened on the rear end surface of the outer mold body.

[0014] Preferably, the front connecting groove and the rear connecting groove are both stepped grooves, and threaded holes are provided at the bottom of the front connecting groove and the rear connecting groove, and sealing gaskets are provided at the bottom of the front connecting groove and the rear connecting groove, and the front connecting member and the rear connecting member are respectively provided in the front connecting groove and the rear connecting groove, and the front connecting member and the rear connecting member are symmetrically arranged, and the side walls of the front connecting member and the rear connecting member are integrally formed with an annular seat, and screw holes are provided on the annular seat, and the screw holes are arranged corresponding to the threaded holes, and the annular seat is positioned in the connecting groove by a positioning screw, and when the front connecting member and the rear connecting member are actually installed, the sealing gasket is in a compressed state.

[0015] Preferably, the atomization pipe and the front connector are integrally formed, and the transverse tube body of the atomization pipe is coaxially arranged with the front connector, and the longitudinal tube body of the atomization pipe is arranged to pass through the side wall of the front connector, and the longitudinal tube bodies of the atomization pipes on both sides are connected by a front three-way connector, the end of the transverse tube body of the atomization pipe is sealed, a connecting pipe is connected on the lower side wall of the rear connector, and the connecting pipes on both sides are connected by a rear three-way connector, the longitudinal tube body of the atomization pipe and the front three-way connector are both arranged in the front channel, and the connecting pipe and the rear three-way connector are both arranged in the rear channel.

[0016] Preferably, external threaded knots are provided at the outer port positions of the front connecting piece and the rear connecting piece and the lateral connecting port positions of the front three-way connector and the rear three-way connector. The front connecting piece is threadedly connected with an air intake pipe, and the air intake pipe is connected to the air pump equipment through the air intake pipe through-hole. The rear connecting piece is threadedly connected with an exhaust pipe, and the exhaust pipe is arranged through the exhaust pipe through-hole. The front three-way connector is threadedly connected with a liquid inlet pipe, and the liquid inlet pipe is connected to the liquid supply port of the cooling water circulation system through the liquid inlet pipe through-hole. The rear three-way connector is threadedly connected with a drain pipe, and the drain pipe is connected to the liquid return port of the cooling water circulation system through the drain pipe through-hole. A refrigeration structure is arranged in the water storage tank of the cooling water circulation system, and a water replenishment module is connected to the water storage tank of the cooling water circulation system.

[0017] Preferably, the side of the heat dissipation cavity close to the front channel 14 is higher than the side of the heat dissipation cavity 16 close to the rear channel 15, and the setting height of the water storage tank of the cooling water circulation system is lower than the setting height of the lower base plate.

[0018] Preferably, a connecting seat is integrally formed on the side wall of one end of the heat dissipation cavity close to the rear channel 15, the cross-section of the connecting seat is a right-angled trapezoid, and the lower bottom of the connecting seat faces the side wall of the heat dissipation cavity, and the hypotenuse of the connecting seat is arranged toward the side end of the heat dissipation cavity close to the front channel 14, the connecting seat is arranged in a circle, and gaps are left between adjacent connecting seats, and an atomization pipe support ring is integrally formed on the upper bottom edge of the connecting seat, and when the atomization pipe is actually installed, the end of the atomization pipe is inserted into the atomization pipe support ring.

[0019] Preferably, a primary through hole is provided on the side wall of the atomizing pipe, and the primary through holes are arranged in multiple layers at equal intervals, and each layer is arranged with a circle at equal circumference. An annular nozzle is rotatably installed on the atomizing pipe through a primary sealing bearing and a secondary sealing bearing. A secondary through hole is provided on the inner wall of the water collecting chamber on the annular nozzle, and the secondary through hole and the primary through hole are both located in the area between the primary sealing bearing and the secondary sealing bearing. Atomizing nozzle holes are evenly arranged on the outer wall of the annular nozzle, and fan blades are arranged on the outer wall of the annular nozzle. Multiple fan blades are arranged at equal circumference, and the coverage area of ​​the heat dissipation chamber cross-section by all fan blades does not exceed one half.

[0020] Preferably, heat dissipation holes are opened on the side of the heat dissipation cavity facing the mold cavity, and the heat dissipation holes are evenly arranged in multiple groups.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. A forming mold is provided which is composed of a lower base plate, an upper base plate, a lower mold and an upper mold, and the lower mold and the upper mold are both arranged to be composed of an outer mold body and an inner mold body, and a heat dissipation cavity is provided on the inner mold body, and an atomizing pipe is provided in the heat dissipation cavity, so that water mist is sprayed into the heat dissipation cavity through the atomizing pipe, and high-pressure gas is transported into the heat dissipation cavity through the air intake pipe, so that the humidity of the gas is increased through the water mist, thereby increasing the specific heat capacity of the airflow, so that the high-pressure airflow can take away more heat when flowing through the heat dissipation cavity, thereby effectively improving the heat dissipation efficiency of the forming mold, thereby effectively improving the forming efficiency of the workpiece;

[0023] 2. A primary through hole is opened on the side wall of the atomizing pipe, and the annular nozzle is rotatably installed on the atomizing pipe through the primary sealing bearing and the secondary sealing bearing, and a fan blade is arranged on the outer side wall of the annular nozzle, so that the fan blade is driven by the flow of the high-pressure airflow, so that the annular nozzle can more evenly distribute the water mist in the heat dissipation cavity, and the rotation of the fan blade can also produce a certain degree of disturbance to the airflow, so that the airflow can better flow internally, so that the heat can be better distributed, thereby further improving the heat dissipation efficiency of the molding mold;

[0024] 3. By opening heat dissipation holes on the side of the heat dissipation cavity facing the mold cavity, the distance between the gas and the mold cavity can be shortened through the heat dissipation holes without affecting the overall strength of the mold cavity side wall. In addition, the airflow in the heat dissipation cavity will form a Bernoulli effect in the heat dissipation holes during the flow process, so that the gas at the bottom of the heat dissipation holes tends to move outward, thereby further improving the heat dissipation efficiency of the molding mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a half-section view in the transverse direction of the present invention;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 4 It is a longitudinal half-section view of the present invention;

[0029] Figure 5 This is a schematic diagram of the lower mold structure of the present invention;

[0030] Figure 6 A half-section view of the lower mold of the present invention;

[0031] Figure 7 A half-section view of the inner mold body of the present invention;

[0032] Figure 8 for Figure 7 A magnified schematic diagram of the structure at B in the middle;

[0033] Fig. 9 for Figure 7 A magnified schematic diagram of the structure at C in the middle;

[0034] Fig.10 for Fig. 9 A magnified schematic diagram of the structure at D in the middle;

[0035] Fig.11 This is a schematic diagram of the overall pipeline distribution of the present invention;

[0036] Fig.12 This is a schematic diagram of the distribution of some pipelines of the present invention;

[0037] Fig.13 for Fig.12 The enlarged schematic diagram of the structure at E in the middle;

[0038] Fig.14 for Fig.12 A magnified schematic diagram of the structure at F in the middle;

[0039] Fig.15 for Fig.12 Enlarged schematic diagram of the structure at G in the middle.

[0040] In the figure: lower base plate 1, upper base plate 2, lower mold 3, upper mold 4, demoulding ejector seat 5, support seat 6, demoulding ejector 7, outer mold body 8, inner mold body 9, mold cavity 10, air inlet pipe through hole 11, liquid inlet pipe through hole 12, liquid discharge pipe through hole 13, front channel 14, rear channel 15, heat dissipation cavity 16, front connecting groove 17, rear connecting groove 18, threaded hole 19, sealing gasket 20, connecting seat 21, atomization pipeline support ring 22, atomization pipeline 23, primary sealing shaft Bearing 25, secondary sealed bearing 26, annular nozzle 27, water collecting chamber 28, secondary through hole 29, atomizing spray hole 30, fan blade 31, front connecting piece 32, rear connecting piece 33, air inlet pipe 34, exhaust pipe 35, primary through hole 36, front three-way connector 37, connecting pipe 38, rear three-way connector 39, liquid inlet pipe 40, liquid discharge pipe 41, annular seat 42, screw hole 43, primary ejector hole 44, secondary ejector hole 45, heat dissipation hole 46. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-15The present invention provides the following three preferred embodiments:

[0043] Embodiment 1, a two-color molding machine with an efficient heat dissipation device, the two-color molding machine with an efficient heat dissipation device comprises a two-color molding machine host and a molding mold arranged on the two-color molding machine host, characterized in that: the molding mold comprises a lower base plate 1, an upper base plate 2, a lower mold 3 and an upper mold 4, the lower base plate 1 is fixedly connected to the mold platform of the two-color molding machine host, the upper base plate 2 is fixedly connected to the lifting module of the hydraulic equipment on the two-color molding machine host, the lower mold 3 is fixedly connected to the lower base plate 1 through a support seat 6, the upper mold 4 is fixedly connected to the lower surface of the upper base plate 2, the lower mold 3, the upper The mold 4 is composed of an outer mold body 8 and an inner mold body 9. The inner mold body 9 is embedded in the inner mold cavity of the outer mold body 8, and a mold cavity 10 is opened on the inner mold body 9. A heat dissipation cavity 16 is opened on the inner mold body 9, and an atomization pipe 23 is arranged in the heat dissipation cavity 16. A demolding ejector seat 5 is installed between the support seats 6 on the lower base plate 1, and a demolding ejector seat 5 is provided with a demolding ejector 7. The outer mold body 8 and the inner mold body 9 of the lower mold 3 are respectively provided with a primary ejector hole 44 and a secondary ejector hole 45, and the primary ejector hole 44, the secondary ejector hole 45, and the demolding ejector 7 are arranged correspondingly.

[0044] A group of heat dissipation cavities 16 are symmetrically arranged, and the heat dissipation cavities 16 on both sides are respectively located on both sides of the mold cavity 10, and a front connection groove 17 and a rear connection groove 18 are respectively opened at the front and rear side ports of the heat dissipation cavity 16, and the front connection grooves 17 on both sides are connected through the front channel 14, and the rear connection grooves 18 on both sides are connected through the rear channel 15, the front end surface of the outer mold body 8 is opened with an air inlet pipe through hole 11 and a liquid inlet pipe through hole 12, and the rear end surface of the outer mold body 8 is opened with an exhaust pipe through hole and a liquid discharge pipe through hole 13, by setting a lower bottom plate 1, an upper bottom plate 2, a lower mold 3 and an upper mold 4. A molding mold, and the lower mold 3 and the upper mold 4 are both configured to be composed of an outer mold body 8 and an inner mold body 9, and a heat dissipation cavity 16 is opened on the inner mold body 9, and an atomization pipe 23 is arranged in the heat dissipation cavity 16, so that water mist is sprayed into the heat dissipation cavity 16 through the atomization pipe 23, and high-pressure gas is transported into the heat dissipation cavity 16 through the air intake pipe 34, so as to increase the humidity of the gas through water mist, thereby increasing the specific heat capacity of the airflow, so that the high-pressure airflow can take away more heat when flowing through the heat dissipation cavity 16, thereby effectively improving the heat dissipation efficiency of the molding mold, thereby effectively improving the molding efficiency of the workpiece.

[0045] The front connecting groove 17 and the rear connecting groove 18 are both stepped grooves, and the bottoms of the front connecting groove 17 and the rear connecting groove 18 are provided with threaded holes 19, and the bottoms of the front connecting groove 17 and the rear connecting groove 18 are padded with sealing gaskets 20. The front connecting groove 17 and the rear connecting groove 18 are respectively provided with a front connecting member 32 and a rear connecting member 33, the front connecting member 32 and the rear connecting member 33 are symmetrically arranged, and the side walls of the front connecting member 32 and the rear connecting member 33 are integrally formed with an annular seat 42, the annular seat 42 is provided with a screw hole 43, the screw hole 43 is arranged corresponding to the threaded hole 19, and the annular seat 42 is positioned in the connecting groove by a positioning screw, and when the front connecting member 32 and the rear connecting member 33 are actually installed, the sealing gasket 20 is in a compressed state, and the setting of the sealing gasket 20 can ensure the sealing of the front connecting groove 17 and the rear connecting groove 18 at the connecting position.

[0046] The atomizing pipe 23 and the front connecting piece 32 are integrally formed, and the transverse pipe body of the atomizing pipe 23 is coaxially arranged with the front connecting piece 32, and the longitudinal pipe body of the atomizing pipe 23 passes through the side wall of the front connecting piece 32, and the longitudinal pipe bodies of the atomizing pipes 23 on both sides are connected by a front three-way connector 37, and the end of the transverse pipe body of the atomizing pipe 23 is sealed, and a connecting pipe 38 is connected on the lower side wall of the rear connecting piece 33, and the connecting pipes 38 on both sides are connected by a rear three-way connector. The longitudinal pipe body of the atomizing pipe 23 and the front three-way connector 37 are both arranged in the front channel 14, the connecting pipe 38 and the rear three-way connector 39 are both arranged in the rear channel 15, the outer port positions of the front connector 32 and the rear connector 33 and the transverse connection ports of the front three-way connector 37 and the rear three-way connector 39 are all provided with external threaded joints, the front connector 32 is threadedly connected with the air intake pipe 34, and the air intake pipe 34 passes through the air intake pipe through hole 11 and is connected to the air pump device. The exhaust pipe 35 is threadedly connected to the rear connector 33, and the exhaust pipe 35 is arranged through the exhaust pipe through hole. The liquid inlet pipe 40 is threadedly connected to the front three-way connector 37, and the liquid inlet pipe 40 passes through the liquid inlet pipe through hole 12 and is connected to the liquid supply port of the cooling water circulation system. The liquid discharge pipe 41 is threadedly connected to the rear three-way connector 39, and the liquid discharge pipe 41 passes through the liquid discharge pipe through hole 13 and is connected to the liquid return port of the cooling water circulation system. The water storage tank of the cooling water circulation system is provided with a refrigeration structure, and the cooling water circulation system The water tank is connected to a water replenishment module. During actual installation, the atomization pipe 23, the front connector 32, the front three-way connector 37, and the annular nozzle 27 can be spliced ​​first, and then installed in the heat dissipation cavity 16. Then the rear connector 33, the rear three-way connector 39, and the connecting pipe 38 can be installed. Then the inner mold body 9 can be installed in the outer mold body 8. Finally, the air intake pipe 34, the exhaust pipe 35, the liquid inlet pipe 40, and the liquid discharge pipe 41 can be installed, so as to facilitate the disassembly and assembly of the overall structure.

[0047] The side of the heat dissipation cavity 16 close to the front channel 14 is higher than the side of the heat dissipation cavity 16 close to the rear channel 15, and the setting height of the water storage tank of the cooling water circulation system is lower than the setting height of the lower base plate 1 to prevent water from accumulating in the heat dissipation cavity 16 and affecting the circulation effect of the airflow.

[0048] A connecting seat 21 is integrally formed on the side wall of one end of the heat dissipation cavity 16 close to the rear channel 15. The cross-section of the connecting seat 21 is a right-angled trapezoid, and the lower bottom of the connecting seat 21 faces the side wall of the heat dissipation cavity 16, and the hypotenuse of the connecting seat 21 is arranged toward the side end of the heat dissipation cavity 16 close to the front channel 14. The connecting seat 21 is arranged in a circle, and a gap is left between adjacent connecting seats 21. An atomization pipe support ring 22 is integrally formed on the upper bottom edge of the connecting seat 21. When the atomization pipe 23 is actually installed, the end of the atomization pipe 23 is inserted into the atomization pipe support ring 22. Through the setting of the connecting seat 21, the end of the atomization pipe 23 is inserted into the atomization pipe support ring 22 for alignment.

[0049] For example 2, please refer to Figure 11-14 On the basis of the first embodiment, a primary through hole 36 is provided on the side wall of the atomizing pipe 23, and the primary through holes 36 are arranged in multiple layers at equal intervals, and each layer is arranged with a circle of equal circumference. An annular nozzle 27 is rotatably installed on the atomizing pipe 23 through a primary sealing bearing 25 and a secondary sealing bearing 26. A secondary through hole 29 is provided on the inner side wall of the water collecting chamber 28 of the annular nozzle 27. The secondary through hole 29 and the primary through hole 36 are both located in the area between the primary sealing bearing 25 and the secondary sealing bearing 26. Atomizing spray holes 30 are evenly arranged on the outer side wall of the annular nozzle 27. Fan blades 31 are provided on the outer side wall of the annular nozzle 27. The fan blades 31 are arranged in multiple pieces of equal circumference, and all the fan blades 31 are arranged on the dispersion. The coverage area of ​​the cross section of the heat chamber 16 does not exceed one half. A primary through hole 36 is opened on the side wall of the atomizing pipe 23, and the annular nozzle 27 is rotatably installed on the atomizing pipe 23 through the primary sealing bearing 25 and the secondary sealing bearing 26. A fan blade 31 is provided on the outer side wall of the annular nozzle 27, so that the fan blade 31 is driven by the flow of the high-pressure airflow, so that the annular nozzle 27 can more evenly distribute the water mist in the heat dissipation chamber 16, and the rotation of the fan blade 31 can also produce a certain degree of disturbance effect on the airflow, so that the airflow can better flow internally, so that the heat can be better distributed, thereby further improving the heat dissipation efficiency of the molding mold.

[0050] For example 3, please refer to Figure 7 and Fig. 9 On the basis of the second embodiment, a heat dissipation hole 46 is opened on the side of the heat dissipation cavity 16 facing the mold cavity 10, and a plurality of heat dissipation holes 46 are evenly arranged. By opening the heat dissipation holes 46 on the side of the heat dissipation cavity 16 facing the mold cavity 10, the distance between the gas and the mold cavity 10 is shortened through the heat dissipation holes 46, and the overall strength of the side wall of the mold cavity 10 is not affected. In addition, the airflow in the heat dissipation cavity 16 forms a Bernoulli effect in the heat dissipation holes 46 during the flow process, so that the gas at the bottom of the heat dissipation holes 46 has a tendency to move outward, thereby further improving the heat dissipation efficiency of the molding mold.

[0051] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A two-color molding machine with an efficient heat dissipation device, the two-color molding machine with an efficient heat dissipation device comprising a two-color molding machine host and a molding mold arranged on the two-color molding machine host, characterized in that: The molding die comprises: A lower base plate (1), the lower base plate (1) being fixedly connected to a mold platform of a main machine of a two-color molding machine; An upper base plate (2), wherein the upper base plate (2) is fixedly connected to a lifting module of a hydraulic device on a main machine of a two-color molding machine: A lower mold (3), wherein the lower mold (3) is fixedly connected to the lower base plate (1) via a support seat (6); An upper mold (4), the upper mold (4) being fixedly connected to the lower surface of the upper base plate (2); The lower mold (3) and the upper mold (4) are both composed of an outer mold body (8) and an inner mold body (9); the inner mold body (9) is embedded in the inner mold cavity of the outer mold body (8), and a mold cavity (10) is provided on the inner mold body (9); The inner mold body (9) is provided with a heat dissipation cavity (16), and an atomization pipeline (23) is arranged in the heat dissipation cavity (16); The heat dissipation cavity (16) is symmetrically arranged in a group, and the heat dissipation cavities (16) on both sides are respectively located on both sides of the mold cavity (10); the front and rear side ports of the heat dissipation cavity (16) are respectively provided with a front connection groove (17) and a rear connection groove (18); the front connection grooves (17) on both sides are connected through a front channel (14); and the rear connection grooves (18) on both sides are connected through a rear channel (15); the front end surface of the outer mold body (8) is provided with an air inlet pipe through hole (11) and a liquid inlet pipe through hole (12); and the rear end surface of the outer mold body (8) is provided with an exhaust pipe through hole and a liquid discharge pipe through hole (13); The front connecting groove (17) and the rear connecting groove (18) are both stepped grooves, and the groove bottoms of the front connecting groove (17) and the rear connecting groove (18) are provided with threaded holes (19), and the groove bottoms of the front connecting groove (17) and the rear connecting groove (18) are both padded with sealing gaskets (20), and the front connecting groove (17) and the rear connecting groove (18) are respectively provided with a front connecting piece (32) and a rear connecting piece (33), and the front connecting piece (32) and the rear connecting piece (33) are respectively provided with a front connecting piece (32) and a rear connecting piece (33). The front connecting piece (32) and the rear connecting piece (33) are symmetrically arranged, and an annular seat (42) is integrally formed on the side walls of the front connecting piece (32) and the rear connecting piece (33), and a screw hole (43) is opened on the annular seat (42), and the screw hole (43) is arranged corresponding to the threaded hole (19), and the annular seat (42) is positioned in the connecting groove by a positioning screw, and when the front connecting piece (32) and the rear connecting piece (33) are actually installed, the sealing gasket (20) is in a compressed state; The atomizing pipe (23) and the front connecting piece (32) are integrally formed, and the transverse pipe body of the atomizing pipe (23) is coaxially arranged with the front connecting piece (32), and the longitudinal pipe body of the atomizing pipe (23) is arranged to pass through the side wall of the front connecting piece (32), and the longitudinal pipe bodies of the atomizing pipes (23) on both sides are connected by a front three-way connector (37), and the end of the transverse pipe body of the atomizing pipe (23) is sealed, and a connecting pipe (38) is connected to the lower side wall of the rear connecting piece (33), and the connecting pipes (38) on both sides are connected by a rear three-way connector (39), and the longitudinal pipe body of the atomizing pipe (23) and the front three-way connector (37) are both arranged in the front channel (14), and the connecting pipe (38) and the rear three-way connector (39) are both arranged in the rear channel (15); A demoulding ejector seat (5) is installed between the support seats (6) on the lower bottom plate (1), and a demoulding ejector pin (7) is arranged on the demoulding ejector seat (5); a primary ejector pin hole (44) and a secondary ejector pin hole (45) are respectively opened on the outer mold body (8) and the inner mold body (9) of the lower mold (3); and the primary ejector pin hole (44), the secondary ejector pin hole (45) and the demoulding ejector pin (7) are arranged correspondingly; External threaded joints are provided at the outer port positions of the front connecting piece (32) and the rear connecting piece (33) and the lateral connecting ports of the front three-way connector (37) and the rear three-way connector (39). The front connecting piece (32) is threadedly connected to an air intake pipe (34), and the air intake pipe (34) passes through the air intake pipe through hole (11) and is connected to the air pump device. The rear connecting piece (33) is threadedly connected to an exhaust pipe (35), and the exhaust pipe (35) passes through the exhaust pipe through hole. The front three-way connector (37) is threadedly connected to a liquid inlet pipe (40), the liquid inlet pipe (40) passes through the liquid inlet pipe through hole (12) and is connected to the liquid supply port of the cooling water circulation system; the rear three-way connector (39) is threadedly connected to a liquid discharge pipe (41), the liquid discharge pipe (41) passes through the liquid discharge pipe through hole (13) and is connected to the liquid return port of the cooling water circulation system; a refrigeration structure is provided in a water storage tank of the cooling water circulation system, and a water replenishment module is connected to the water storage tank of the cooling water circulation system; The side of the heat dissipation cavity (16) close to the front channel (14) is higher than the side of the heat dissipation cavity (16) close to the rear channel (15), and the setting height of the water storage tank of the cooling water circulation system is lower than the setting height of the lower base plate (1); A connecting seat (21) is integrally formed on the side wall of one end of the heat dissipation cavity (16) close to the rearward channel (15); the cross section of the connecting seat (21) is a right-angled trapezoid, and the lower bottom of the connecting seat (21) faces the side wall of the heat dissipation cavity (16), and the oblique side of the connecting seat (21) is arranged towards the side end of the heat dissipation cavity (16) close to the forward channel (14); the connecting seat (21) is arranged in a circle, and gaps are left between adjacent connecting seats (21); an atomization pipe support ring (22) is integrally formed on the upper bottom edge of the connecting seat (21); when the atomization pipe (23) is actually installed, the end of the atomization pipe (23) is inserted into the atomization pipe support ring (22); The side wall of the atomizing pipe (23) is provided with a primary through hole (36), the primary through holes (36) are arranged in multiple layers at equal intervals, and each layer is provided with a circle with equal circumference. An annular nozzle (27) is rotatably mounted on the atomizing pipe (23) via a primary sealing bearing (25) and a secondary sealing bearing (26). A secondary through hole (29) is provided on the inner side wall of the water collecting chamber (28) of the annular nozzle (27), the secondary through hole (29) and the primary through hole (36) are both located in the area between the primary sealing bearing (25) and the secondary sealing bearing (26). Atomizing nozzle holes (30) are evenly arranged on the outer side wall of the annular nozzle (27). Fan blades (31) are arranged on the outer side wall of the annular nozzle (27), and a plurality of the fan blades (31) are arranged with equal circumference, and the coverage area of ​​the cross section of the heat dissipation chamber (16) by all the fan blades (31) does not exceed one half. A heat dissipation hole (46) is provided on the side of the heat dissipation cavity (16) facing the mold cavity (10), and a plurality of groups of the heat dissipation holes (46) are evenly arranged.

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