CN212498828U - Hot runner mold with cooling mechanism - Google Patents

Abstract

The utility model relates to a hot runner mold with cooling body, concretely relates to hot runner mold technical field, including last mould, the below of going up the mould is provided with the bed die, one side surface of going up the mould link up and installs the water liquid output tube, one side surface of bed die link up and installs the water liquid back flow, the other end of water liquid back flow link up and installs the water tank, the upper surface of water tank runs through to install draws the water pipe, the upper end that draws the water pipe is located the upper surface position department of water tank and installs the water pump, the welding of one side surface upper end position department of going up the mould has the mould fixed plate, the lower skin weld of bed die has the die holder fixed plate, the welding of lower surface one side of water tank has. The utility model discloses hot runner mold is provided with corresponding cooling device, and cooling device and mould formula design as an organic whole, simple structure, and the junction connecting hole of bed die is less.

Description

Hot runner mold with cooling mechanism

Technical Field

The utility model relates to a hot runner mold technical field specifically is a hot runner mold with cooling body.

Background

The hot runner mold is a mold in which a melt in a runner is not solidified all the time by using a heating device. Because it is shorter than the traditional mould forming cycle, and save more raw materials, the hot runner mould has been used very extensively in the developed countries and regions of all industries in the world today, the hot runner system generally comprises hot nozzle, flow distribution plate, temperature control box and accessories, the hot runner accessories usually include: heaters, thermocouples, runner sealing rings, connectors, junction boxes and the like, and hot runner molds are mostly used for processing precise plastic parts.

However, the hot runner mold in the market at present does not have corresponding cooling device mostly, can not make the inside material of mould cool off fast, reaches the drawing of patterns requirement, is unfavorable for work efficiency's improvement, and the structure of device is complicated, and the installation is comparatively loaded down with trivial details, is unfavorable for quick replacement mould to carry out the casting mould, and the junction connecting hole of mould is more about mostly, and the material touches the mould easily and causes the material to damage when demolding. Accordingly, one skilled in the art provides a hot runner mold with a cooling mechanism to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot runner mold with cooling body to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hot runner mold with a cooling mechanism comprises an upper mold, a lower mold is arranged below the upper mold, a water liquid output pipe is arranged on the outer surface of one side of the upper die in a penetrating way, a water liquid return pipe is arranged on the outer surface of one side of the lower die in a penetrating way, the other end of the water liquid return pipe is provided with a water tank in a penetrating way, the upper surface of the water tank is provided with a water drawing pipe in a penetrating way, a water pump is arranged at the upper end of the water drawing pipe and positioned on the upper surface of the water tank, an upper die fixing plate is welded at the upper end of the outer surface of one side of the upper die, the lower surface of the lower die is welded with a lower die holder fixing plate, one side of the lower surface of the water tank is welded with a water tank fixing plate, a through window is arranged on the front surface of the water tank, a hot runner is arranged on the upper surface of the upper die in a penetrating way, the lower surface of the upper die is provided with an upper casting groove, and the upper surface of the lower die is provided with a lower casting groove.

As a further aspect of the present invention: the upper end of the hot runner is communicated and welded with the feed inlet, the lower end of the hot runner is communicated and welded with the pouring gate, the lower surface of the upper die is welded with the die aligning rod, and the upper surface of the lower die is provided with a die aligning hole at a position close to the lower casting groove.

As a further aspect of the present invention: the inner part of the upper die is positioned above the upper casting groove and is provided with an upper cavity, the lower surface of the upper cavity is welded with an insertion pipe in a penetrating manner, one side of the upper cavity is welded with a water inlet in a penetrating manner, the inner part of the lower die is positioned below the lower casting groove and is provided with a lower cavity, the upper surface of the lower cavity is welded with an insertion hole in a penetrating manner, and the lower end of one side of the lower cavity is welded with a water outlet in a penetrating manner.

As a further aspect of the present invention: the lower end of the water drawing pipe is close to the inner lower surface of the water tank, the upper end of the water drawing pipe penetrates through the upper surface of the water tank and is in through connection with the input end of the water pump, the output end of the water pump is in through connection with the input end of a water liquid output pipe, the output end of the water liquid output pipe is in through connection with the input end of an upper die, the output end of the upper die is in through connection with the input end of a lower die, the output end of the lower die is in through connection with the input end of a water liquid backflow pipe, the output end of the water liquid backflow pipe is in through connection with.

As a further aspect of the present invention: the mold aligning rod corresponds to the mold aligning hole, the upper mold and the lower mold are connected with the mold aligning hole in a clamping mode through the mold aligning rod, and the lower end of the hot runner is connected with the upper surface of the upper casting groove in a penetrating mode through the pouring gate.

As a further aspect of the present invention: the upper cavity is in through connection with the water liquid output pipe through a water inlet, the lower cavity is in through connection with the water liquid return pipe through a water outlet, the position of the insertion pipe corresponds to the position of the insertion hole, the outer diameter of the insertion pipe is matched with the inner diameter of the insertion hole, and the upper cavity and the lower cavity are in through connection with the insertion hole through the insertion pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a hot runner mold, be provided with corresponding cooling device, and cooling device and mould formula design as an organic whole, adopt the water-cooling form to cool down, the material that enables the mould inside cools off fast, thereby reach the drawing of patterns requirement fast, be favorable to the improvement of work efficiency, hydraulic component on the device promotes the upper die card and goes into the upper surface of bed die, and the intubate inserts the inside of jack, upper casting groove and lower casting groove correspond the block and form whole mould casting groove, lead-in the material into the inside of upper casting groove and lower casting groove through the hot runner, the water pump operation, draw the clear water of water tank inside through the water drawing pipe, get into the inside of upper cavity through water liquid output tube and water inlet, the water liquid of upper cavity inside circulates to the inside of bed cavity through the intubate, through upper cavity and bed cavity to the material cooling treatment of upper casting groove and bed die inslot, the inside water liquid of cavity passes through delivery port and the inside of water liquid back flow circulation return water tank down, carries out the cold and hot replacement of water liquid, and the inside heat of water tank is discharged through discharge valve, and after the cooling was accomplished, the water pump stop operation, the inside water liquid of upper cavity and lower cavity backward flow in the inside of water tank.

2. This device's simple structure, it is comparatively convenient to install, be favorable to the quick replacement mould to carry out the mould, the junction connecting hole of this device bed die is less, thereby the connecting rod of last mould has been reduced, the material touches the mould when avoiding demolding and causes the material to damage, run through the die holder fixed plate through the screw and fix the bed die on the casting mesa, it passes through under the hydraulic component that the upper die fixed plate was fixed to the device to last mould through the screw, and the position of going up mould and bed die is corresponding, then, begin to use, mould card income upper surface of bed die is gone into in the hydraulic component promotion on the device, the leading-in inside in casting groove and lower casting groove of the leading-in hot runner of outside material, accomplish the casting of material.

Drawings

FIG. 1 is a schematic view of a hot runner mold with a cooling mechanism;

FIG. 2 is a perspective view of an upper mold of a hot runner mold with a cooling mechanism;

FIG. 3 is a perspective view of a lower mold of a hot runner mold having a cooling mechanism.

In the figure: 1. an upper die; 2. a lower die; 3. a water tank; 4. a water liquid return pipe; 5. a water liquid output pipe; 6. a water pump; 7. A water drawing pipe; 8. a window is penetrated; 9. a water tank fixing plate; 10. an upper mold fixing plate; 11. an upper casting groove; 12. a hot runner; 13. A feed inlet; 14. a gate; 15. an upper cavity; 16. inserting a tube; 17. a water inlet; 18. aligning the mold rods; 19. a lower casting tank; 20. a lower die holder fixing plate; 21. a lower cavity; 22. a jack; 23. a water outlet; 24. and (6) aligning the die holes.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a hot runner mold with a cooling mechanism includes an upper mold 1, a lower mold 2 is disposed below the upper mold 1, a water outlet pipe 5 is installed on an outer surface of one side of the upper mold 1, a water return pipe 4 is installed on an outer surface of one side of the lower mold 2, a water tank 3 is installed on the other end of the water return pipe 4, a water drawing pipe 7 is installed on an upper surface of the water tank 3, a water pump 6 (model NMDP51) is installed at a position of an upper end of the water drawing pipe 7 on the upper surface of the water tank 3, an upper mold fixing plate 10 is welded at an upper end position of an outer surface of one side of the upper mold 1, a lower mold base fixing plate 20 is welded on a lower surface of the lower mold 2, a water tank fixing plate 9 is welded at one side of a lower surface of the water, the lower surface of an upper die 1 is provided with an upper casting groove 11, the upper surface of a lower die 2 is provided with a lower casting groove 19, the lower end of a water drawing pipe 7 is close to the inner lower surface of a water tank 3, the upper end of the water drawing pipe 7 penetrates through the upper surface of the water tank 3 to be communicated with the input end of a water pump 6, the output end of the water pump 6 is communicated with the input end of a water liquid output pipe 5, the output end of the water liquid output pipe 5 is communicated with the input end of the upper die 1, the output end of the upper die 1 is communicated with the input end of the lower die 2, the output end of the lower die 2 is communicated with the input end of a water liquid return pipe 4, the output end of the water liquid return pipe 4 is communicated with the input end of the water tank 3, the installation plane of the water tank 3 is lower than the installation planes of the, an upper die 1 penetrates through an upper die fixing plate 10 through screws to be fixed below a hydraulic component of the device, the upper die 1 corresponds to a lower die 2 in position, the upper end of a hot runner 12 is connected to an external material output port, clear water is added into a water tank 3, the clear water penetrates through the liquid level in the water tank 3 through a through window 8, one end of a water liquid output pipe 5 is communicated with the interior of the upper die 1, one end of a water liquid return pipe 4 is communicated with the interior of the lower die 2, then, the hydraulic component on the device pushes the upper die 1 to be clamped into the upper surface of the lower die 2, the external material introduction hot runner 12 is introduced into the interiors of an upper casting groove 11 and a lower casting groove 19 to complete casting of materials, finally, a water pump 6 operates, clear water in the water tank 3 is extracted through a water suction pipe 7 and enters the interior of the upper die 1 through a water liquid output pipe 5, the water in the upper die 1 enters the interior of the lower die 2 to cool the materials in And (3) treating, namely circulating water liquid in the lower die 2 back to the inside of the water tank 3 through the water liquid return pipe 4 to perform cold and hot replacement of the water liquid, stopping the operation of the water pump 6 after cooling is completed, returning the water liquid in the upper die 1 and the lower die 2 to the inside of the water tank 3, contracting a hydraulic device on the upper die 1, separating the connection of the upper die 1 and the lower die 2, and taking out the cast material.

In fig. 2, 3: a feed inlet 13 is welded at the upper end of a hot runner 12 in a penetrating way, a sprue 14 is welded at the lower end of the hot runner 12 in a penetrating way, a mold aligning rod 18 is welded at the lower surface of an upper mold 1, a mold aligning hole 24 is formed at the position, close to a lower casting groove 19, of the upper surface of a lower mold 2, the mold aligning rod 18 corresponds to the mold aligning hole 24, the upper mold 1 and the lower mold 2 are connected with the mold aligning hole 24 in a clamping way through the mold aligning rod 18, the lower end of the hot runner 12 is connected with the upper surface of an upper casting groove 11 in a penetrating way through a sprue 14, the upper end of the hot runner 12 is connected to an external material output port through the feed inlet 13 to start use, a hydraulic component on the device pushes the upper mold 1 to be clamped into the upper surface of the lower mold 2, the mold aligning rod 18 is inserted into the mold aligning hole 24, the upper casting groove 11 and the lower casting, the material is introduced into the upper and lower casting grooves 11 and 19 through the gate 14, thereby completing casting of the material.

In fig. 2, 3: an upper cavity 15 is arranged at the position, above an upper casting groove 11, in an upper die 1, a cannula 16 is welded on the lower surface of the upper cavity 15 in a penetrating manner, a water inlet 17 is welded on one side of the upper cavity 15 in a penetrating manner, a lower cavity 21 is arranged at the position, below a lower casting groove 19, in a lower die 2, a jack 22 is arranged on the upper surface of the lower cavity 21 in a penetrating manner, a water outlet 23 is welded on the lower end of one side of the lower cavity 21 in a penetrating manner, the upper cavity 15 is in penetrating connection with a water liquid output pipe 5 through the water inlet 17, the lower cavity 21 is in penetrating connection with a water liquid return pipe 4 through the water outlet 23, the position of the cannula 16 corresponds to the position of the jack 22, the outer diameter of the cannula 16 is matched with the inner diameter of the jack 22, the upper cavity 15 is in penetrating connection with the jack 22 through the lower cavity 21 through the cannula, one end of a water liquid output pipe 5 is communicated with the inside of an upper die 1 through a water inlet 17, one end of a water liquid return pipe 4 is communicated with the inside of a lower die 2 through a water outlet 23, then, the use is started, a hydraulic component on the device pushes the upper die 1 to be clamped on the upper surface of the lower die 2, a cannula 16 is inserted into an insertion hole 22, an upper casting groove 11 and a lower casting groove 19 are correspondingly clamped to form an integral die casting groove, external materials are led into the inside of a hot runner 12 through a feed inlet 13, the materials are led into the inside of the upper casting groove 11 and the lower casting groove 19 through a sprue 14 to complete the casting of the materials, finally, a water pump 6 is operated, clear water in a water tank 3 is extracted through a water suction pipe 7, the clear water enters the inside of an upper cavity 15 through the water liquid output pipe 5 and the water inlet 17, the water liquid in the upper cavity 15 circulates to the inside of a lower cavity 21 through the cannula 16, and the materials in the upper casting groove 11 and, the water liquid in the lower cavity 21 circulates back to the inside of the water tank 3 through the water outlet 23 and the water liquid return pipe 4 to exchange the cold and heat of the water liquid, the heat in the water tank 3 is discharged through the exhaust valve, after the cooling is finished, the water pump 6 stops running, and the water liquid in the upper cavity 15 and the lower cavity 21 flows back to the inside of the water tank 3.

The utility model discloses a theory of operation is: firstly, the device is taken out, the device is installed on a machine, a lower die 2 is fixed on a casting die table surface by penetrating through a lower die holder fixing plate 20 through screws, an upper die 1 is fixed below a hydraulic component of the device by penetrating through an upper die fixing plate 10 through screws, the upper die 1 corresponds to the lower die 2 in position, the upper end of a hot runner 12 is connected to an external material output port through a feed inlet 13, clear water is added into the water tank 3, the clear water penetrates through the liquid level in the water tank 3 through a through window 8, one end of a water liquid output pipe 5 is communicated with the inner part of the upper die 1 through a water inlet 17, one end of a return pipe 4 is communicated with the inner part of the lower die 2 through a water outlet 23, then, the use is started, the hydraulic component on the device pushes the upper die 1 to be clamped on the upper surface of the lower die 2, an insertion pipe 16 is inserted, the upper casting groove 11 and the lower casting groove 19 are correspondingly clamped to form an integral die casting groove, external materials are introduced into the hot runner 12 through a feed inlet 13, the materials are introduced into the upper casting groove 11 and the lower casting groove 19 through a sprue 14 to complete the casting of the materials, finally, a water pump 6 is operated to pump clear water in the water tank 3 through a water drawing pipe 7 and enter the upper cavity 15 through a water liquid output pipe 5 and a water inlet 17, water liquid in the upper cavity 15 circulates to the lower cavity 21 through a cannula 16, the materials in the upper casting groove 11 and the lower casting groove 19 are cooled through the upper cavity 15 and the lower cavity 21, water liquid in the lower cavity 21 circulates back to the inside of the water tank 3 through a water outlet 23 and a water liquid backflow pipe 4 to perform cold and hot water replacement, after cooling is completed, the water pump 6 stops operating, the water liquid in the upper cavity 15 and the lower cavity 21 flows back to the inside of the water tank 3, and (3) contracting the hydraulic device on the upper die 1, separating the connection between the upper die 1 and the lower die 2, and taking out the cast material.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A hot runner mold with a cooling mechanism comprises an upper mold (1) and is characterized in that a lower mold (2) is arranged below the upper mold (1), a water liquid output pipe (5) is installed on the outer surface of one side of the upper mold (1) in a penetrating manner, a water liquid return pipe (4) is installed on the outer surface of one side of the lower mold (2) in a penetrating manner, a water tank (3) is installed at the other end of the water liquid return pipe (4) in a penetrating manner, a water drawing pipe (7) is installed on the upper surface of the water tank (3) in a penetrating manner, a water pump (6) is installed at the position, located at the upper surface of the water tank (3), of the upper mold (1), an upper mold fixing plate (10) is welded at the upper end of the outer surface of one side, a lower mold fixing plate (20) is welded at the lower surface of the lower mold (2, the front surface of the water tank (3) is provided with a through window (8), the upper surface of the upper die (1) is provided with a hot runner (12) in a penetrating mode, the lower surface of the upper die (1) is provided with an upper casting groove (11), and the upper surface of the lower die (2) is provided with a lower casting groove (19).

2. The hot runner mold with the cooling mechanism according to claim 1, wherein a feeding hole (13) is welded through the upper end of the hot runner (12), a pouring gate (14) is welded through the lower end of the hot runner (12), a mold aligning rod (18) is welded on the lower surface of the upper mold (1), and a mold aligning hole (24) is formed in the position, close to the lower casting groove (19), of the upper surface of the lower mold (2).

3. The hot runner mold with the cooling mechanism according to claim 1, wherein an upper cavity (15) is formed in the upper mold (1) above the upper casting groove (11), an insertion tube (16) is welded on the lower surface of the upper cavity (15) in a penetrating manner, a water inlet (17) is welded on one side of the upper cavity (15) in a penetrating manner, a lower cavity (21) is formed in the lower mold (2) below the lower casting groove (19) in a penetrating manner, an insertion hole (22) is formed in the upper surface of the lower cavity (21) in a penetrating manner, and a water outlet (23) is welded on the lower end of one side of the lower cavity (21) in a penetrating manner.

4. The hot-runner mold with a cooling mechanism of claim 1, the lower end of the water drawing pipe (7) is close to the inner lower surface of the water tank (3), the upper end of the water drawing pipe (7) penetrates through the upper surface of the water tank (3) and is communicated with the input end of the water pump (6), the output end of the water pump (6) is communicated with the input end of the water liquid output pipe (5), the output end of the water liquid output pipe (5) is communicated with the input end of the upper die (1), the output end of the upper die (1) is connected with the input end of the lower die (2) in a penetrating way, the output end of the lower die (2) is communicated with the input end of the water liquid return pipe (4), the output end of the water liquid return pipe (4) is communicated with the input end of the water tank (3), and the mounting plane of the water tank (3) is lower than the mounting planes of the upper die (1) and the lower die (2).

5. The hot runner mold with the cooling mechanism according to claim 2, wherein the mold aligning rod (18) corresponds to a mold aligning hole (24), the upper mold (1) and the lower mold (2) are connected with the mold aligning hole (24) in a clamping mode through the mold aligning rod (18), and the lower end of the hot runner (12) is connected with the upper surface of the upper casting groove (11) in a penetrating mode through the pouring gate (14).

6. The hot runner mold with the cooling mechanism according to claim 3, wherein the upper cavity (15) is connected with the water liquid outlet pipe (5) through a water inlet (17), the lower cavity (21) is connected with the water liquid return pipe (4) through a water outlet (23), the position of the insertion pipe (16) corresponds to the position of the insertion hole (22), the outer diameter of the insertion pipe (16) is matched with the inner diameter of the insertion hole (22), and the upper cavity (15) is connected with the lower cavity (21) through the insertion pipe (16) and the insertion hole (22).

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