CN114179318A

CN114179318A - Cooling system of injection mold

Info

Publication number: CN114179318A
Application number: CN202111463468.0A
Authority: CN
Inventors: 周国义; 陈天华
Original assignee: Shenzhen Kamp Precision Technology Co ltd
Current assignee: Shenzhen Kamp Precision Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-03-15

Abstract

The invention discloses a cooling system for an injection mold, comprising an upper mold seat, an upper template is arranged on the lower side of the upper mold seat, a concave mold insert is installed at the inner center of the upper template, and a lower template is arranged on the lower side of the upper template , and the lower end of the lower template is provided with a lower mold seat, the center of the upper surface of the lower template is fixedly installed with a punch, a first cold water cavity is arranged on the top of the female mold insert, and the right end of the upper template is respectively provided with two cold water chambers. The first water inlet pipe and the first water outlet pipe are respectively connected to the ends, and the lower end face of the punch is provided with a second cooling cavity. When the injection mold performs injection molding, the cold water entering the first cooling cavity quickly cools the female mold inserts. Uniform cooling and cooling, the cold water entering the second cooling cavity quickly and evenly cools the punch to achieve rapid and large-area cooling and solidification of the workpiece, which has a good cooling and solidification effect.

Description

Cooling system of injection mold

Technical Field

The invention relates to the technical field of injection molds, in particular to a cooling system of an injection mold.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification, and a cooling system of the injection mold is particularly important for cooling and solidification of a workpiece.

The applicant of the invention finds that the cooling system of the existing injection mold has poor cooling and solidifying effects on a workpiece formed on the inner side of the mold, the cooling efficiency on hot water circularly discharged by the cooling system is low, meanwhile, the cooling water channel of the existing injection mold is formed by drilling holes on the mold through a drill bit, and the drill bit is difficult to drill and inconvenient to process due to the fact that the water channel is long.

Disclosure of Invention

The invention aims to provide a cooling system of an injection mold, which aims to solve the problems that the cooling system of the existing injection mold has poor cooling and solidifying effects on a workpiece formed on the inner side of the mold, the cooling efficiency on hot water circularly discharged by the cooling system is low, and the processing of a cooling water channel of the injection mold is inconvenient.

The invention is realized by the following steps:

a cooling system of an injection mold comprises an upper mold base, an upper mold plate is arranged on the lower side of the upper mold base, a female mold insert is installed in the center of the inner side of the upper mold plate, a lower mold plate is arranged on the lower side of the upper mold plate, a lower mold base is arranged at the lower end of the lower mold plate, a male mold is fixedly installed in the center of the upper surface of the lower mold plate, a first cold water cavity is arranged on the upper surface of the female mold insert, a first water inlet pipe and a first water outlet pipe which are respectively communicated with the two ends of the first cold water cavity are respectively arranged at the right end of the upper mold plate, a second cooling cavity is arranged on the lower end surface of the male mold, a second water inlet pipe and a second water outlet pipe which are respectively communicated with the two ends of the second cold water cavity are respectively arranged at the right end of the lower mold plate, the first water inlet pipe and the second water inlet pipe are both connected with the water outlet end of a water cooling tank through pipelines, when the injection mold is used for injection molding, send cold water to first inlet tube and second inlet tube respectively through the water-cooling tank, thereby enter into first cooling chamber and second cooling intracavity respectively, the cold water that enters into first cooling intracavity carries out quick even cooling to the die mold insert, thereby the cold water that enters into the second cooling intracavity carries out quick even cooling to the terrace die and realizes the rapid large-area cooling solidification to the work piece, better cooling solidification effect has, and the second cooling chamber on first cooling chamber on the die mold insert and the terrace die can directly mill the processing through numerically controlled fraise machine, need not to drill through traditional drill bit, make the processing convenience more of cooling water course.

Furthermore, the center of cope match-plate pattern is provided with first fixed chamber, and four corners of cope match-plate pattern all are provided with the guide post hole, and the right-hand member of cope match-plate pattern is provided with two first through-holes with first inlet tube and first water piping connection respectively, and the cope match-plate pattern realizes fixed the installation of die mold insert through first fixed chamber to communicate with first inlet opening and first apopore cooperation respectively through two first through-holes.

Further, the upper end of the female die insert is provided with a first sealing cover for sealing the first cooling cavity, screw fixing grooves are formed in the left side and the right side of the upper surface of the female die insert, compression screws are screwed in the screw fixing grooves, compression grooves matched with the compression screws are formed in the left end and the right end of the first sealing cover, a first water inlet hole and a first water outlet hole which are respectively communicated with the two ends of the first cooling cavity are formed in the right end of the female die insert, the lower end of the female die insert is provided with the female die cavity, a glue inlet hole is formed in the center of the top of the female die cavity, a sprue bush matched with the glue inlet hole is arranged in the center of the upper die base, water inlet and water drainage of the first cooling cavity are achieved through the first water inlet hole and the first water outlet hole, and injection of plastic is achieved through the arranged glue inlet hole.

Furthermore, four corners of the lower template are provided with guide pillars, the center of the lower template is provided with a second fixing cavity matched with the male die, the right end of the lower template is provided with two second through holes respectively connected with a second water inlet pipe and a second water outlet pipe, the lower template is matched with the guide pillars in the guide pillar holes in the upper template through the guide pillars, and the two second through holes are respectively communicated with the second water inlet hole and the second water outlet hole in a matched mode.

Furthermore, a second sealing cover for sealing the second cooling cavity is arranged at one end, facing the lower die holder, of the male die, the second sealing cover is fixedly connected with a boss on the inner side of the second cooling cavity through a screw, a second water inlet hole and a second water outlet hole are formed in the right end of the male die, the second water inlet hole and the second water outlet hole are respectively communicated with the two ends of the second cooling cavity, a material pushing rod is vertically inserted into the center of the male die in a penetrating mode, water inlet and water drainage of the second cooling cavity are achieved through the arranged second water inlet hole and the second water outlet hole, and the material pushing rod is used for removing materials of workpieces.

Furthermore, one end of the material pushing rod is provided with a top plate, the other end of the material pushing rod penetrates through the male die and the lower die holder and is fixedly connected with an electric telescopic rod for driving the male die and the lower die holder to push materials, a thread head is arranged at the end part of the other end of the material pushing rod, a groove matched with the top plate is formed in the end face, far away from the lower die holder, of one end of the male die, and the electric telescopic rod drives the material pushing rod to push the top plate out, so that the workpieces can be pushed out and discharged.

Furthermore, a connecting disc is fixedly arranged on the ejector rod of the electric telescopic rod and is fixedly connected with the threaded head through a threaded hole, and the electric telescopic rod is fixedly connected with the material pushing rod through the connecting disc.

Further, the upper end of the water cooling tank is provided with a water dispersing mechanism, the water dispersing mechanism comprises a cover plate covering an upper port of the water cooling tank, a plurality of water distribution pipes which are uniformly arranged front and back are arranged on the upper side of the cover plate, a plurality of vertical spray pipes penetrating through the cover plate are arranged on the lower side of each water distribution pipe, the water distribution pipes are all connected with a water return pipe, the water return pipe is connected with a first water outlet pipe and a second water outlet pipe, and hot water which circulates out through the spray pipes which are uniformly distributed on the water dispersing mechanism is uniformly sprayed in the water cooling tank to perform rapid cooling.

Further, the inboard of water-cooling tank is provided with a plurality of front and back align to grid's heat transfer board, and the lateral wall about the water-cooling tank is passed respectively at the both ends of heat transfer board, the cavity form that the heat transfer board is for controlling to link up, both ends are provided with air intake and air outlet respectively about the water-cooling tank, air intake department is provided with filter mechanism, air outlet department is provided with the aerofoil, and be provided with a plurality of fan on the aerofoil, the leading flank of water-cooling tank is close to the lower extreme position and has the water pump through the pipe connection, the water pump advances water piping connection with first inlet tube and second, the heat in the hot water that sprays out the spray tube through a plurality of heat transfer boards is dispelled, the heat in with the heat transfer board is taken away and is accomplished the quick cooling of large tracts of land through aerofoil driven air current, higher cooling efficiency has.

Further, filtering mechanism includes the net board, and the inboard one side of net board is provided with the installation cavity, and the inboard of installation cavity is provided with the filter, and the inboard of installation cavity still is provided with the pressure frame that compresses tightly the filter, filters the dust in the air through the filter to compress tightly fixedly the filter through pressing the frame.

Compared with the prior art, the invention has the beneficial effects that:

when the injection mold is used for injection molding, cold water is respectively sent to the first water inlet pipe and the second water inlet pipe through the water cooling box, so that the cold water respectively enters the first cooling cavity and the second cooling cavity, the cold water entering the first cooling cavity carries out rapid and uniform cooling on the female mold insert, the cold water entering the second cooling cavity carries out rapid and uniform cooling on the male mold, thereby realizing rapid and large-area cooling and solidification on a workpiece, the cooling and solidification effect is better, the first cooling cavity on the female mold insert and the second cooling cavity on the male mold can be directly milled through a numerical control milling machine, the drilling through a traditional drill bit is not needed, the processing of a cooling water channel is more convenient, the heat in the hot water sprayed out from the spray pipe through a plurality of heat exchange plates is discharged, the heat in the heat exchange plates is taken out through air flow driven by the air plates, and the large-area rapid cooling is completed, has higher cooling efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of a cooling system of an injection mold of the present invention;

FIG. 2 is a schematic top plate view of a cooling system for an injection mold of the present invention;

FIG. 3 is a schematic view of a cavity insert of a cooling system of an injection mold according to the present invention;

FIG. 4 is a cross-sectional view of a cavity insert of a cooling system of an injection mold of the present invention;

FIG. 5 is a schematic view of the lower platen of the cooling system of an injection mold of the present invention;

FIG. 6 is a schematic view of the male mold of the cooling system of an injection mold of the present invention;

FIG. 7 is a schematic view of a lifter bar of a cooling system of an injection mold of the present invention;

FIG. 8 is a schematic view of the electric telescopic rod of the cooling system of the injection mold according to the present invention;

FIG. 9 is a schematic view of a water cooling box of a cooling system of an injection mold according to the present invention;

FIG. 10 is a schematic view of a water dispersal mechanism for the cooling system of an injection mold according to the present invention;

FIG. 11 is a cross-sectional view of a water cooling box of a cooling system of an injection mold according to the present invention;

FIG. 12 is a schematic view of a filter mechanism of a cooling system of an injection mold according to the present invention.

In the figure: 1. an upper die holder; 2. mounting a template; 21. a guide post hole; 22. a first fixed cavity; 23. a first water outlet pipe; 24. a first water inlet pipe; 3. a lower template; 31. a guide post; 32. a second fixed cavity; 33. a second water outlet pipe; 34. a second water inlet pipe; 4. a lower die holder; 5. a base plate; 6. a foot pad; 7. a sprue bush; 8. a concave die insert; 81. a screw fixing groove; 82. a compression screw; 83. a first cover; 84. a sleeve cavity; 85. pressing a groove; 86. a first cooling chamber; 87. a first water outlet; 88. a first water inlet hole; 89. a cavity; 810. a glue inlet hole; 9. a male die; 91. a second cooling chamber; 92. a second cover; 93. a material pushing rod; 931. a screw head; 932. a top plate; 94. a second water outlet; 95. a second water inlet hole; 10. an electric telescopic rod; 101. a connecting disc; 11. a water dispersing mechanism; 111. a cover plate; 112. a water return pipe; 113. a water diversion pipe; 114. a nozzle; 12. a water cooling tank; 121. an air inlet; 122. a filtering mechanism; 1221. a grid plate; 1222. a mounting cavity; 1223. a filter plate; 1224. pressing the frame; 123. a heat exchange plate; 124. an air outlet; 13. a water pump; 14. and a wind plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, referring to fig. 1, 3, 6, and 9, a cooling system of an injection mold includes an upper mold base 1, an upper mold plate 2 is disposed at a lower side of the upper mold base 1, a female mold insert 8 is disposed at a center of an inner side of the upper mold plate 2, a lower mold plate 3 is disposed at a lower side of the upper mold plate 2, a lower mold base 4 is disposed at a lower end of the lower mold plate 3, a male mold 9 is fixedly disposed at a center of an upper surface of the lower mold plate 3, molding of an injection molding workpiece is achieved by cooperation of a female mold cavity 89 of the female mold insert 8 and the male mold 9, a first cold water cavity 86 is disposed above the female mold insert 8, a first water inlet pipe 24 and a first water outlet pipe 23 respectively communicated with two ends of the first cold water cavity 86 are disposed at a right end of the upper mold plate 2, a second cooling cavity 91 is disposed at a lower end of the female mold insert 9, a second water inlet pipe 35 and a second water outlet pipe 34 respectively communicated with two ends of the second cold water cavity 91 are disposed at a right end of the lower mold plate 3, the first water inlet pipe 24 and the second water inlet pipe 35 are connected with the water outlet end of the water cooling tank 12 through pipelines, the first water outlet pipe 23 and the second water outlet pipe 34 are connected with the water inlet end of the water cooling tank 12 through pipelines, when an injection mold carries out injection molding processing, cold water is respectively sent to the first water inlet pipe 24 and the second water inlet pipe 35 through the water cooling tank 12 and then respectively enters the first cooling cavity 86 and the second cooling cavity 91, the cold water entering the first cooling cavity 86 carries out rapid and uniform cooling on the female mold insert 8, the cold water entering the second cooling cavity 91 carries out rapid and uniform cooling on the male mold so as to realize rapid and large-area cooling and solidification on a workpiece, the cooling and solidification effect is good, and the first cooling cavity 86 on the female mold insert 8 and the second cooling cavity 91 on the male mold 9 can be directly milled through a numerical control milling machine without drilling through a traditional drill bit, the processing of the cooling water channel is more convenient.

Referring to fig. 2, the center of the upper mold plate 2 is provided with a first fixed cavity 22, four corners of the upper mold plate 2 are provided with guide pillar holes 21, the right end of the upper mold plate 2 is provided with two first through holes respectively connected with a first water inlet pipe 24 and a first water outlet pipe 23, the upper mold plate 2 is fixed to the female mold insert 8 through the first fixed cavity 22, and is communicated with a first water inlet hole 88 and a first water outlet hole 87 through the two first through holes in a matching manner.

Referring to fig. 3 and 4, a first sealing cover 83 for sealing the first cooling cavity 86 is disposed at the upper end of the cavity insert 8, screw fixing grooves 81 are disposed on the left and right sides of the first cooling cavity 86 on the upper surface of the cavity insert 8, a pressing screw 82 is screwed into the screw fixing groove 81, pressing grooves 85 matched with the pressing screw 82 are disposed at the left and right ends of the first sealing cover 83, the pressing screw 82 is screwed into the screw fixing groove 81, and the first sealing cover 83 is pressed and fixed by the cooperation of a hanging platform on the pressing screw 82 and the pressing groove 85, a first water inlet hole 88 and a first water outlet hole 87 are disposed at the right end of the cavity insert 8 and respectively communicated with the two ends of the first cooling cavity 86, a cavity 89 is disposed at the lower end of the cavity insert 8, a glue inlet hole 810 is disposed at the top center of the cavity 89, a gate sleeve 7 matched with the glue inlet hole 810 is disposed at the center of the upper die holder 1, the first water inlet hole 88 and the first water outlet hole 87 are used for water inlet and water discharge of the first cooling cavity 86, and plastic is injected through the arranged glue inlet hole 810.

Referring to fig. 5, guide pillars 31 are arranged at four corners of the lower template 3, a second fixing cavity 33 matched with the male die 9 is arranged at the center of the lower template 3, two second through holes connected with a second water inlet pipe 35 and a second water outlet pipe 34 are arranged at the right end of the lower template 3, the lower template 3 is in guiding fit with the guide pillar holes 21 in the upper template 2 through the guide pillars 31, and the two second through holes are respectively in matching communication with a second water inlet hole 95 and a second water outlet hole 94.

Referring to fig. 6, a second sealing cover 92 for sealing the second cooling cavity 91 is arranged at one end of the male die 9 facing the lower die holder 4, the second sealing cover 92 is fixedly connected with a boss at the inner side of the second cooling cavity 91 through a screw, a second water inlet hole 95 and a second water outlet hole 94 are arranged at the right end of the male die 9 and are respectively communicated with two ends of the second cooling cavity 91, a material pushing rod 93 is vertically inserted into the center of the male die 9, water inlet and water discharge of the second cooling cavity 91 are realized through the arranged second water inlet hole 95 and the arranged second water outlet hole 94, and the arranged material pushing rod 93 is used for stripping a workpiece.

Referring to fig. 7, a top plate 932 is arranged at one end of the material pushing rod 93, an electric telescopic rod 10 for driving the material pushing rod 93 to push materials is fixedly connected to the other end of the material pushing rod 93 through the male die 9 and the lower die holder 4, a threaded head 931 is arranged at the end portion of the other end of the material pushing rod 93, a groove matched with the top plate 932 is formed in the end face, away from the lower die holder 4, of the male die 9, and the material pushing rod 93 is driven by the electric telescopic rod 10 to eject the top plate 932, so that the workpiece is pushed out and discharged.

Referring to fig. 8, a connecting plate 101 is fixedly arranged on the ejector rod of the electric telescopic rod 10, the connecting plate 101 is fixedly connected with a threaded head 931 through a threaded hole, and the connecting plate 101 is used for fixedly connecting the electric telescopic rod 10 and the material pushing rod 93.

Referring to fig. 9 and 10, a water distribution mechanism 11 is disposed at an upper end of the water cooling tank 12, the water distribution mechanism 11 includes a cover plate 111 covering an upper end of the water cooling tank 12, a plurality of water distribution pipes 113 uniformly arranged in front and at back are disposed on an upper side of the cover plate 111, a plurality of spray pipes 114 vertically penetrating through the cover plate 111 are disposed on a lower side of the water distribution pipes 113, the plurality of water distribution pipes 113 are all connected to a water return pipe 112, the water return pipe 112 is connected to the first water outlet pipe 23 and the second water outlet pipe 34, and the circulated hot water is uniformly sprayed in the water cooling tank 12 through the uniformly distributed spray pipes 114 disposed on the water distribution mechanism 11 to perform rapid cooling.

Referring to fig. 9 and 11, a plurality of heat exchange plates 123 are uniformly arranged in front and back of the inner side of the water cooling tank 12, two ends of each heat exchange plate 123 penetrate through left and right side walls of the water cooling tank 12, each heat exchange plate 123 is in a hollow shape with a left end and a right end communicated with each other, an air inlet 121 and an air outlet 124 are formed in each of the left and right ends of the water cooling tank 12, a filtering mechanism 122 is arranged at each air inlet 121, an air plate 14 is arranged at each air outlet 124, a plurality of fans are arranged on each air plate 14, a water pump 13 is connected to a position, close to the lower end, of the front side surface of the water cooling tank 12 through a pipeline, the water pump 13 is connected with a first water inlet pipe 24 and a second water inlet pipe 35, heat in hot water sprayed from the spray pipes 114 through the plurality of heat exchange plates 123 is discharged, air flow driven by the air plates 14 carries heat in the heat exchange plates 123 out to complete large-area rapid cooling, and high cooling efficiency is achieved.

Referring to fig. 12, the filter mechanism 122 includes a mesh plate 1221, a mounting chamber 1222 is provided on an inner side of the mesh plate 1221, a filter plate 1223 is provided on an inner side of the mounting chamber 1222, a pressing frame 1224 for pressing the filter plate 1223 is further provided on an inner side of the mounting chamber 1222, dust in the air is filtered by the filter plate 1223, and the filter plate 1223 is pressed and fixed by the pressing frame 1224.

The working principle is that when an injection mold is used for injection molding, cold water is respectively sent to a first water inlet pipe 24 and a second water inlet pipe 35 by a water cooling tank 12 through a water pump 13, the cold water in the first water inlet pipe 24 enters a first cooling cavity 86 through one of a first through hole and a first water inlet hole 88 to cool a female mold insert 8, the cooled hot water is sent to a water return pipe 112 through a first water outlet hole 87 and the other first through hole, the cold water in the second water inlet pipe 35 enters a second cooling cavity 91 through one of a second through hole and a second water inlet hole 95 to cool a male mold 9, the cooled hot water is sent to the water return pipe 112 through a second water outlet hole 94 and the other second through hole, the water entering the water return pipe 112 is dispersed at each water distribution pipe 113 and uniformly sprayed on a heat exchange plate 123 through a spray pipe 114, and at the moment, a fan on the heat exchange plate 14 continuously exhausts air to enable cold air at an air inlet 121 to flow to the heat plate 123 and bring heat on the heat plate 123 to the outside The hot water on the heat exchange plate 123 is cooled, and the cooled water is sent to the injection mold again through the water pump 13 to complete cooling of the injection mold.

The device obtained by the design can basically meet the requirements that the cooling system of the existing injection mold has good cooling and solidifying effects on the workpiece formed on the inner side of the mold, the cooling efficiency on the hot water circularly discharged by the cooling system is high, and the cooling water channel of the injection mold is convenient to process and use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling system for an injection mold, comprising an upper die seat (1), characterized in that: an upper die plate (2) is arranged on the lower side of the upper die seat (1), and an inner center of the upper die plate (2) is provided with an upper die plate (2). A female die insert (8) is installed, a lower die plate (3) is arranged on the lower side of the upper die plate (2), and a lower die seat (4) is arranged on the lower end of the lower die plate (3), and the lower die plate ( 3) A punch (9) is fixedly installed in the center of the upper surface, a first cold water cavity (86) is arranged on the upper surface of the die insert (8), and the right end of the upper template (2) is respectively provided with a first cold water cavity (86). A first water inlet pipe (24) and a first water outlet pipe (23) are respectively connected to both ends of the cold water cavity (86), the lower end surface of the punch (9) is provided with a second cooling cavity (91), the lower The right end of the template (3) is respectively provided with a second water inlet pipe (35) and a second water outlet pipe (34) which communicate with both ends of the second cold water cavity (91). The water inlet pipes (35) are connected to the water outlet end of the water cooling box (12) through pipes, and the first water outlet pipes (23) and the second water outlet pipes (34) are both connected to the water inlet end of the water cooling box (12) through pipes .

2 . The cooling system for an injection mold according to claim 1 , wherein the center of the upper template ( 2 ) is provided with a first fixed cavity ( 22 ), and the four corners of the upper template ( 2 ) Guide post holes (21) are provided at all positions, and two first through holes respectively connected to the first water inlet pipe (24) and the first water outlet pipe (23) are provided at the right end of the upper template (2).

3 . The cooling system for an injection mold according to claim 1 , wherein the upper end of the female mold insert ( 8 ) is provided with a first cover ( 83), and the upper surface of the die insert (8) is located on the left and right sides of the first cooling cavity (86) with screw fixing grooves (81), and the inner side of the screw fixing groove (81) is screwed with pressure Tighten the screw (82), the left and right ends of the first cover (83) are provided with pressing grooves (85) matched with the pressing screw (82), and the right end of the die insert (8) is provided with A first water inlet hole (88) and a first water outlet hole (87) respectively communicated with both ends of the first cooling cavity (86), the lower end of the die insert (8) is provided with a die cavity (89), And the top center of the female mold cavity (89) is provided with a glue feed hole (810), and the center of the upper die seat (1) is provided with a gate sleeve (7) matched with the glue feed hole (810).

4. A cooling system for an injection mold according to claim 1, characterized in that, four corners of the lower template (3) are provided with guide posts (31), and the center of the lower template (3) is provided with guide posts (31). A second fixing cavity (33) matched with the punch (9) is provided, and the right end of the lower template (3) is provided with two water inlet pipes (35) and second water outlet pipes (34) respectively connected to the right end second through hole.

5. A cooling system for an injection mold according to claim 1, characterized in that, an end of the male mold (9) facing the lower mold base (4) is provided with a sealing device for sealing the second cooling cavity (91). The second cover (92), and the second cover (92) is fixedly connected to the inner boss of the second cooling cavity (91) by screws, and the right end of the punch (9) is provided with a connection to the second cooling cavity (91). A second water inlet hole (95) and a second water outlet hole (94) are respectively communicated at both ends of ), and a pushing rod (93) is vertically inserted in the center of the punch (9).

6 . The cooling system for an injection mold according to claim 5 , wherein a top plate ( 932 ) is provided at one end of the push rod ( 93 ), and the other end of the push rod ( 93 ) passes through the top plate ( 932 ). 7 . The punch (9) and the lower die base (4) are fixedly connected with an electric telescopic rod (10) that drives the pusher, and the other end of the pusher rod (93) is provided with a threaded head (931), so The end face of the punch (9) away from the lower die base (4) is provided with a groove which is matched with the top plate (932).

7 . The cooling system for an injection mold according to claim 6 , wherein a connecting plate ( 101 ) is fixedly arranged on the top rod of the electric telescopic rod ( 10 ), and the connecting plate ( 101 ) is threaded through the thread. 8 . The hole is fixedly connected to the threaded head (931).

8 . The cooling system for an injection mold according to claim 1 , wherein a water scattering mechanism ( 11 ) is provided on the upper end of the water cooling box ( 12 ), and the water scattering mechanism ( 11 ) comprises a cover on the water cooling box. 9 . (12) The cover plate (111) of the upper port, the upper side of the cover plate (111) is provided with a plurality of water distribution pipes (113) evenly arranged front and rear, and the lower side of the water distribution pipe (113) is provided with a plurality of vertical Straight through the nozzle (114) of the cover plate (111), the plurality of water distribution pipes (113) are connected with the return pipe (112), and the return pipe (112) is connected with the first water outlet pipe (23) and the first water outlet pipe (23) and the water return pipe (112). Two outlet pipes (34) are connected.

9 . The cooling system for an injection mold according to claim 8 , wherein a plurality of heat exchange plates ( 123 ) are arranged on the inner side of the water cooling box ( 12 ) evenly arranged in front and back, and the heat exchange plates ( The two ends of 123) pass through the left and right side walls of the water cooling box (12) respectively, the heat exchange plate (123) is a hollow shape with left and right passing through, and the left and right ends of the water cooling box (12) are respectively provided with air inlets ( 121) and an air outlet (124), the air inlet (121) is provided with a filter mechanism (122), the air outlet (124) is provided with an air plate (14), and the air plate (14) is provided with a Several fans are connected with a water pump (13) on the front side of the water cooling box (12) near the lower end through a pipeline, and the water pump (13) is connected with the first water inlet pipe (24) and the second water inlet pipe (35).

10 . The cooling system for an injection mold according to claim 9 , wherein the filtering mechanism ( 122 ) comprises a grid plate ( 1221 ), and an inner surface of the grid plate ( 1221 ) is provided with a mounting plate ( 10 ). The inner side of the installation cavity (1222) is provided with a filter plate (1223), and the inner side of the installation cavity (1222) is further provided with a pressing frame (1224) for compressing the filter plate (1223).