CN217258017U

CN217258017U - Precise injection mold with cooling effect

Info

Publication number: CN217258017U
Application number: CN202220606471.7U
Authority: CN
Inventors: 汪胜
Original assignee: Kunshan Weilichuang Electronic Technology Co ltd
Current assignee: Kunshan Weilichuang Electronic Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-23
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses an accurate injection mold with cooling effect, comprising a base plate, bolt fixedly connected with mould seat is passed through at the top of bottom plate, scribble heat dissipation silica gel on one side inner wall of mould seat, and one side position department that the inside of mould seat is close to heat dissipation silica gel is provided with the injection mold body, be provided with heat radiation fins on one side outer wall of mould seat, and the inside of mould seat has seted up the water conservancy diversion chamber, through the first honeycomb duct of bolt fixedly connected with between water conservancy diversion chamber and the heat radiation fins, through bolt fixedly connected with second honeycomb duct between heat radiation fins and the bottom plate. This precision injection mold with cooling effect through water conservancy diversion chamber and heat radiation fins's mutually supporting to take away the heat on injection mold body and the injection molding and scatter and disappear to the air under the circulation flow of coolant liquid, can carry out heat transfer and heat dissipation, the high-efficient stable cooling of realization injection mold body and injection molding from a plurality of directions and large tracts of land.

Description

Precise injection mold with cooling effect

Technical Field

The utility model relates to an injection mold technical field specifically is an accurate injection mold with cooling effect.

Background

Injection molding is a tool for producing plastic products and also for giving the plastic products complete structure and precise dimensions, and injection molding is a processing method used for mass production of parts with complex shapes.

In order to realize cooling of an injection mold, chinese patent "an injection mold with cooling effect" (patent No. 202022063257.5) places a water pipe in an inner cavity of a tank block, the top of the water pipe is attached to the inner tank block, the temperature of the bottom of the injection mold is reduced by water flow, the over-high temperature of the bottom is avoided, and the influence on the molding of plastic products is prevented.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate injection mold with cooling effect to solve the injection mold who proposes in the above-mentioned patent in the above-mentioned background art and only cool off the bottom of mould when cooling, be difficult to multi-direction large tracts of land and cool off, cooling effect is poor, moreover, can influence the structural strength of mould itself and the problem of precision through the transformation to injection mold.

In order to achieve the above object, the utility model provides a following technical scheme: a precise injection mold with a cooling effect comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a mold base through a bolt, radiating silica gel is coated on the inner wall of one side of the mold base, an injection mold body is arranged at one side position, close to the radiating silica gel, inside the mold base, of the mold base, radiating fins are arranged on the outer wall of one side of the mold base, a flow guide cavity is formed inside the mold base, a first flow guide pipe is fixedly connected between the flow guide cavity and the radiating fins through the bolt, a second flow guide pipe is fixedly connected between the radiating fins and the bottom plate through the bolt, a fixing plate is fixedly connected at the position, close to the lower position of the mold base, of the top of the bottom plate through the bolt, a liquid suction pump is fixedly connected on the outer wall of one side of the fixing plate through the bolt, a branch pipe is fixedly connected at one side of the bottom of the mold base through the bolt, one end of the branch pipe is fixedly connected with a main pipe through the bolt, the main pipe, the bottom plate and the liquid pump are fixedly connected with connecting pipes through bolts, and the heat dissipation cavities are formed in the heat dissipation fins.

Preferably, a supporting plate is fixedly connected to the outer wall of one side of the mold base through bolts and is close to the lower position of the radiating fins, an installation cover is embedded into the top of the supporting plate, and a fan is fixedly connected to the inner wall of one side of the installation cover through bolts.

Preferably, the outer wall of one side of the mold base, which is adjacent to the heat dissipation fins, is provided with a rectangular through groove.

Preferably, the diversion cavity and the heat dissipation cavity are communicated through a first diversion pipe.

Preferably, the bottom plate is of a hollow plate-shaped structure, and the bottom plate is communicated with the heat dissipation cavity through a second flow guide pipe.

Preferably, the cross section of the heat dissipation cavity is of an S-shaped structure.

Preferably, the main pipe is communicated with the diversion cavity through a branch pipe, and the main pipe is communicated with the bottom plate through a liquid pump and a connecting pipe.

Preferably, the bottom plate, the flow guide cavity, the first flow guide pipe, the second flow guide pipe, the branch pipes, the main pipe and the connecting pipe are filled with cooling liquid.

Compared with the prior art, the beneficial effects of the utility model are that: this precision injection mold with cooling effect, mutually support through water conservancy diversion chamber and heat radiation fins, and take away the heat on injection mold body and the injection molding and scatter and disappear to the air under the circulation of coolant liquid flows, can carry out heat transfer and heat dissipation from multiple direction and large tracts of land, the high-efficient stable cooling of realizing injection mold body and injection molding, improve injection mold body injection-moulded efficiency, through external mould seat, can realize the cooling under the condition that does not influence the structural strength of injection mold body and machining precision, it can directly to change the mould seat to damage.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the mold base of the present invention;

fig. 3 is a schematic view of the internal structure of the heat dissipation fin of the present invention;

fig. 4 is a sectional view of the die holder of the present invention;

FIG. 5 is a bottom view of the main tube of the present invention;

fig. 6 is a schematic view of the internal structure of the mounting cover of the present invention.

In the figure: 1. a base plate; 2. a mold base; 3. radiating silica gel; 4. an injection mold body; 5. heat dissipation fins; 6. a flow guide cavity; 7. a first draft tube; 8. a second draft tube; 9. a fixing plate; 10. a liquid pump; 11. a branch pipe; 12. a main tube; 13. a connecting pipe; 14. a support plate; 15. mounting a cover; 16. a fan; 17. and a heat dissipation cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a precise injection mold with a cooling effect comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a mold base 2 through bolts, one side inner wall of the mold base 2 is coated with heat-dissipating silica gel 3, an injection mold body 4 is arranged at a position, close to one side of the heat-dissipating silica gel 3, inside the mold base 2, a heat-dissipating fin 5 is arranged on one side outer wall of the mold base 2, a rectangular through groove is formed in one side outer wall of the mold base 2, which is adjacent to the heat-dissipating fin 5, so that a fixing plate 9 and a liquid suction pump 10 are conveniently installed and fixed, a flow guide cavity 6 is formed inside the mold base 2, a first flow guide pipe 7 is fixedly connected between the flow guide cavity 6 and the heat-dissipating fin 5 through bolts, a second flow guide pipe 8 is fixedly connected between the heat-dissipating fin 5 and the bottom plate 1 through bolts, the bottom plate 1 is of a hollow plate-shaped structure, and the bottom plate 1 and the heat-dissipating cavity 17 are communicated through the second flow guide pipe 8, the cooling liquid is ensured to flow between the bottom plate 1 and the heat dissipation cavity 17 and between the second flow guide pipe 8, thereby realizing the backflow of the cooling liquid, the bottom plate 1 is close to the lower position of the mold base 2 and is fixedly connected with a fixed plate 9 through a bolt, the outer wall of one side of the fixed plate 9 is fixedly connected with a liquid pump 10 through a bolt, one side of the bottom of the mold base 2 is fixedly connected with a branch pipe 11 through a bolt, one end of the branch pipe 11 is fixedly connected with a main pipe 12 through a bolt, the main pipe 12 and the bottom plate 1 are fixedly connected with a connecting pipe 13 through bolts, the main pipe 12 is communicated with the flow guide cavity 6 through the branch pipe 11, the main pipe 12 and the bottom plate 1 are communicated through the liquid pump 10 and the connecting pipe 13, the cooling liquid in the bottom plate 1 can be pumped into the main pipe 12 through the liquid pump 10 and the connecting pipe 13, thereby entering the flow guide cavity 6 through the branch pipe 11, the cooling liquid in the flow guide cavity 6 takes away the heat on the injection mold body 4, the radiating fins 5 are internally provided with radiating cavities 17, the flow guide cavities 6 are communicated with the radiating cavities 17 through first flow guide pipes 7, the cross sections of the radiating cavities 17 are S-shaped structures, the heat can be transferred to the air by flowing the cooling liquid in the heat dissipation cavity 17, so that the cooling of the cooling liquid is realized, further realizing the cooling of the injection mold body 4 and the injection molding piece, a support plate 14 is fixedly connected to the lower part of the outer wall of one side of the mold base 2 close to the heat dissipation fins 5 through bolts, an installation cover 15 is embedded into the top of the support plate 14, a fan 16 is fixedly connected to the inner wall of one side of the installation cover 15 through bolts, the interior of the bottom plate 1, the flow guide cavity 6, the first flow guide pipe 7, the second flow guide pipe 8, the branch pipe 11, the main pipe 12 and the connecting pipe 13 is filled with cooling liquid, the heat is absorbed and transferred through the flowing of the cooling liquid, and the heat is effectively dissipated into the air.

The working principle is as follows: when the injection molding machine is used, the bottom plate 1 is placed on a horizontal ground, the injection mold body 4 is embedded in the central position of the top of the mold base 2, the heat dissipation silica gel 3 is filled between the injection mold body 4 and the mold base 2, when the injection mold body 4 is used for injection molding, an injection molding piece is molded in the injection mold body 4, heat on the injection molding piece is transferred to the mold base 2 through the injection mold body 4 and the heat dissipation silica gel 3, an external power supply is connected, the liquid pump 10 pumps cooling liquid in the bottom plate 1 into the main pipe 12 through the connecting pipe 13, the cooling liquid enters the diversion cavity 6 under the diversion of the branch pipe 11, the cooling liquid in the diversion cavity 6 absorbs heat generated by injection molding, the cooling liquid containing heat enters the heat dissipation cavity 17 in the heat dissipation fins 5 through the first diversion pipe 7, the fan 16 blows air upwards along the mounting cover 15 after being electrified, and the flowing air is contacted with the heat dissipation fins 5, through cold and heat exchange, the coolant liquid that contains the heat takes away the heat with heat transfer to the air, the flow through the air at last, realizes the cooling of injection mold body 4 and injection molding, improves injection mold body 4 injection molding's efficiency, and the coolant liquid after the heat loss flows back to bottom plate 1 through second honeycomb duct 8, and the circulation flow of coolant liquid is realized to the drawing liquid of last rethread drawing liquid pump 10, is convenient for realize the heat dissipation cooling of continuation.

In summary, the following steps: this precision injection mold with cooling effect, mutually support through water conservancy diversion chamber 6 and heat radiation fins 5, and take away the heat on injection mold body 4 and the injection molding and scatter and disappear in the air under the circulation of coolant liquid flows, can carry out heat transfer and heat dissipation from multiple directions and large tracts of land, the high-efficient stable cooling of realizing injection mold body 4 and injection molding, improve injection mold body 4 injection moulding's efficiency, through external mould seat 2, can realize the cooling under the condition that does not influence the structural strength of injection mold body 4 and machining precision, damage direct change mould seat 2 can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision injection mold with cooling effect, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a mold base (2) through bolts, one side inner wall of the mold base (2) is coated with heat-radiating silica gel (3), one side position of the interior of the mold base (2) close to the heat-radiating silica gel (3) is provided with an injection mold body (4), one side outer wall of the mold base (2) is provided with heat-radiating fins (5), a flow-guiding cavity (6) is arranged in the mold base (2), a first flow-guiding pipe (7) is fixedly connected between the flow-guiding cavity (6) and the heat-radiating fins (5) through bolts, a second flow-guiding pipe (8) is fixedly connected between the heat-radiating fins (5) and the bottom plate (1) through bolts, the lower position of the top of the bottom plate (1) close to the mold base (2) is fixedly connected with a fixed plate (9) through bolts, one side outer wall of the fixed plate (9) is fixedly connected with a liquid-pumping pump (10) through bolts, the utility model discloses a mould seat, including mould seat (2), bottom one side of mould seat (2) is through bolt fixedly connected with branch pipe (11), the one end of branch pipe (11) is through bolt fixedly connected with person in charge (12), all through bolt fixedly connected with connecting pipe (13) between person in charge (12) and bottom plate (1) and drawing liquid pump (10), heat dissipation chamber (17) have been seted up to the inside of heat dissipation fin (5).

2. The precision injection mold with a cooling effect according to claim 1, wherein: the heat dissipation die is characterized in that a supporting plate (14) is fixedly connected to the position, close to the lower portion of the heat dissipation fins (5), of the outer wall of one side of the die base (2) through bolts, an installation cover (15) is embedded into the top of the supporting plate (14), and a fan (16) is fixedly connected to the inner wall of one side of the installation cover (15) through bolts.

3. A precision injection mold with cooling effect according to claim 1, characterized in that: the outer wall of one side of the die seat (2) adjacent to the radiating fins (5) is provided with a rectangular through groove.

4. A precision injection mold with cooling effect according to claim 1, characterized in that: the flow guide cavity (6) is communicated with the heat dissipation cavity (17) through a first flow guide pipe (7).

5. The precision injection mold with a cooling effect according to claim 1, wherein: the bottom plate (1) is of a hollow plate-shaped structure, and the bottom plate (1) is communicated with the heat dissipation cavity (17) through a second flow guide pipe (8).

6. The precision injection mold with a cooling effect according to claim 1, wherein: the cross section of the heat dissipation cavity (17) is of an S-shaped structure.

7. A precision injection mold with cooling effect according to claim 1, characterized in that: the main pipe (12) is communicated with the diversion cavity (6) through a branch pipe (11), and the main pipe (12) is communicated with the bottom plate (1) through a liquid pump (10) and a connecting pipe (13).

8. A precision injection mold with cooling effect according to claim 1, characterized in that: the cooling liquid is filled in the bottom plate (1), the flow guide cavity (6), the first flow guide pipe (7), the second flow guide pipe (8), the branch pipes (11), the main pipe (12) and the connecting pipe (13).