CN218876200U

CN218876200U - Easily radiating injection mold

Info

Publication number: CN218876200U
Application number: CN202320104473.0U
Authority: CN
Inventors: 胡正炎
Original assignee: Zhaoqing Hengxin Molding Technology Co ltd
Current assignee: Zhaoqing Hengxin Molding Technology Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-04-18
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses an injection mold easy to radiate heat, which belongs to the technical field of injection molds and comprises an upper mold and a lower mold arranged below the upper mold, wherein a mold cavity is arranged inside the lower mold, a radiating cavity is arranged outside the mold cavity, a cooling pipe is annularly arranged inside the radiating cavity, the cooling pipe is rectangular, a mounting groove is arranged on the pipe wall of the cooling pipe, a mounting block is arranged inside the mounting groove, and a driving shaft is arranged on one side of the mounting block; the utility model discloses a flow velocity of coolant liquid is adjusted to the water pump, makes it all the time around in the periphery in mould chamber with comparatively quick flow, carries out the work of dispelling the heat to it to the heat dissipation work to the mould with the help of radiator fan's rotation with higher speed in the coolant liquid quick flow, makes the mould wholly can carry out the work of dispelling the heat fast, can shorten the radiating time on the one hand (compress the heat dissipation latency), and on the other hand can also improve the work efficiency of mould self through dispelling the heat fast.

Description

Easily radiating injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an easy radiating injection mold.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

The inside of the injection mold cavity of the existing injection mold after injection molding generates a large amount of heat due to the injection molding process, the heat dissipation is carried out in a mode of injecting cooling liquid to cool pipeline circulation in the heat dissipation prior art, but the heat dissipation time of the heat dissipation mode is slow, normal demolding can be realized only through heat dissipation for a certain time, and the work efficiency of the injection mold can be influenced due to the long waiting period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy radiating injection mold to solve the weak point that provides in the above-mentioned background art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides an easy radiating injection mold, including last mould and the bed die that the below set up, the mould chamber has been seted up to the inside of bed die, the outside in mould chamber is provided with the heat dissipation chamber, the inside in heat dissipation chamber is cyclic annularly provided with the cooling tube, the cooling tube is the rectangle, the pipe wall of cooling tube is provided with the mounting groove, the inside of mounting groove is provided with the installation piece, one side of installation piece is provided with the drive shaft, the cover is equipped with drive impeller in the drive shaft, the inner chamber of cooling tube is provided with the heating panel, the drive shaft extends to the inner chamber bottom of heating panel from the lateral wall of installation piece, is located inside the heating panel the cover is equipped with first gear in the drive shaft, first gear engagement is connected with the second gear, second gear coaxial arrangement has the third gear, the third gear sets up in the inner chamber top of heating panel, third gear engagement is connected with the fourth gear, fourth gear coaxial arrangement has the heat dissipation.

Preferably, one side of the lower die is provided with a liquid inlet pipe communicated with the cooling pipe, the other side of the lower die is provided with a liquid outlet pipe communicated with the cooling pipe, the liquid inlet pipe and the liquid storage pipe are connected through a water pump and a water tank in sequence, and the water pump and the water tank are both arranged at the front end of the lower die.

Preferably, a plurality of groups of rotating plates are annularly arranged on the periphery of the top end of the lower die, each group of rotating plates is rotatably connected with a material baffle plate, a first clamping plate is rotatably arranged on the side wall of the material baffle plate, and a plurality of groups of second clamping plates are equidistantly arranged on the top end of the lower die.

Preferably, the bottom axle center department of going up the mould is provided with the mould piece, the block is connected between mould piece and the last mould, the inner chamber of mould piece is provided with annotates the liquid pipe, the top of annotating the liquid pipe is provided with annotates the liquid mouth.

Preferably, the top bilateral symmetry of bed die is provided with the guide post, the outside cover of guide post is equipped with first locating piece, the bottom bilateral symmetry of going up the mould is provided with the second locating piece with first locating piece looks adaptation.

Preferably, a positioning seat is arranged on the outer side of the bottom end of the lower die, a positioning rod is fixedly arranged at the top end of the positioning seat, and a positioning plate connected with the positioning rod in a sliding manner is arranged on the outer side of the upper die.

Compared with the prior art, the above one or more technical schemes have the following beneficial effects:

the utility model provides an easy radiating injection mold, flow speed through the water pump regulation coolant liquid makes it all the time around in the periphery in mould chamber with comparatively quick flow, dispel the heat work to it, and with the help of radiator fan's rotation with the help of when the coolant liquid flows fast with the heat dissipation work to the mould with higher speed, make the mould wholly can carry out quick heat dissipation work, can shorten the radiating time on the one hand (compressing the heat dissipation waiting period), on the other hand can also improve the work efficiency of mould self through dispelling the heat fast.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

fig. 1 is a schematic view of the main view internal structure of embodiment 1 of the present invention;

FIG. 2 is a schematic sectional view of the cooling tube of the present invention;

FIG. 3 is a schematic top view of the cooling tube of the present invention;

FIG. 4 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 5 is a schematic view of the external structure of embodiment 1 of the present invention;

fig. 6 is a schematic view of the structure of embodiment 2 of the present invention.

In the figure:

1. an upper die; 101. a mold block; 102. a liquid injection pipe; 103. a liquid injection port; 104. a second positioning block; 105. positioning a plate;

2. a lower die; 201. a mold cavity; 202. a heat dissipation cavity; 203. a cooling tube; 204. mounting grooves; 205. mounting blocks; 206. a drive shaft; 207. driving the impeller; 208. a heat dissipation plate; 209. a first gear; 210. a second gear; 211. a third gear; 212. a fourth gear; 213. a heat dissipation fan blade; 214. a liquid inlet pipe; 215. a liquid outlet pipe; 216. a water pump; 217. a water tank; 218. a rotating plate; 219. a striker plate; 220. a first clamping plate; 221. a second card; 222. a guide post; 223. a first positioning block; 224. positioning seats; 225. and (5) positioning the rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Example 1

Embodiment 1 discloses an injection mold easy to dissipate heat, as shown in fig. 1-5, including an upper mold 1 and a lower mold 2 disposed below the upper mold, a mold cavity 201 is disposed inside the lower mold 2, a heat dissipation cavity 202 is disposed outside the mold cavity 201, a cooling pipe 203 is annularly disposed inside the heat dissipation cavity 202, the cooling pipe 203 is rectangular, a pipe wall of the cooling pipe 203 is provided with an installation groove 204, an installation block 205 is disposed inside the installation groove 204, one side of the installation block 205 is provided with a driving shaft 206, a driving impeller 207 is sleeved on the driving shaft 206, an inner cavity of the cooling pipe 203 is provided with a heat dissipation plate 208, the driving shaft 206 extends to a bottom end of the inner cavity of the heat dissipation plate 208 from a side wall of the installation block 205, a first gear 209 is sleeved on the driving shaft 206 inside the heat dissipation plate 208, the first gear 209 is engaged with a second gear 210, a third gear 211 is coaxially mounted on the second gear 210, the third gear 211 is disposed on the inner cavity top end of the heat dissipation plate 208, the third gear 211 is engaged with a fourth gear 212, a heat dissipation gear 212 is coaxially mounted with a heat dissipation plate 213, as shown in fig. 1-5, the utility model adjusts a flow speed of a cooling liquid through a water pump 216, so that the cooling liquid flows around the heat dissipation mold, and the heat dissipation mold can rapidly compress the working fluid, and the working efficiency of the heat dissipation mold can be rapidly, and the heat dissipation mold can be rapidly reduced, and the heat dissipation mold, and the working efficiency of the heat dissipation mold can be rapidly.

As a preferred scheme of the utility model, in order to realize the circulative cooling work efficiency of coolant liquid, so preferably, as shown in fig. 5, one side of bed die 2 is provided with feed liquor pipe 214 that is linked together with cooling tube 203, and the opposite side of bed die 2 is provided with drain pipe 215 that is linked together with cooling tube 203, loops through water pump 216 between feed liquor pipe 214 and the liquid storage pipe, and water tank 217 is connected, and water pump 216 and water tank 217 all set up in the front end of bed die 2.

As a preferred scheme of the utility model, in order to prevent the excessive indiscriminate excessive surface of overflowing to the mould of raw materials of moulding plastics, so preferably, as shown in fig. 4, the top of bed die 2 is cyclic annularly provided with multiunit rotor plate 218 all around, every rotor plate 218 of group rotates and is connected with striker plate 219, striker plate 219's lateral wall rotates and is provided with first cardboard 220, the top equidistance of bed die 2 is provided with multiunit second cardboard 221, imbed between the corresponding second cardboard 221 through first cardboard 220, can adjust striker plate 219's working angle, can carry out the regulation that suits according to the raw materials overflow volume of moulding plastics, make striker plate 219 can effectively block the raw materials and spill over the direction, avoid the indiscriminate excessive surface to the mould of raw materials.

Specifically, as shown in fig. 1, a mold block 101 is disposed at the bottom end axis of the upper mold 1, the mold block 101 and the upper mold 1 are connected in a clamping manner, an injection tube 102 is disposed in an inner cavity of the mold block 101, an injection port 103 is disposed at the top end of the injection tube 102, an injection raw material is injected into the injection tube 102 through the injection port 103, the raw material falls into the mold cavity 201 along the injection tube 102, and the raw material flows into a gap between the mold cavity 201 and the mold block 101 for injection molding.

As shown in fig. 1, in this embodiment, the top bilateral symmetry of the lower mold 2 is provided with the guide posts 222, the outer sleeve of the guide posts 222 is provided with the first positioning block 223, the bottom bilateral symmetry of the upper mold 1 is provided with the second positioning block 104 matched with the first positioning block 223, when the first positioning block 223 contacts with the second positioning block 104, the upper mold 1 does not move any more, the injection molding work can be limited, the phenomenon that the moving mileage of the upper mold 1 is too large is avoided, and damage is caused by contact of each mold.

Example 2

As shown in fig. 6, the present embodiment provides an injection mold easy to dissipate heat, the structure of the injection mold is substantially the same as that of embodiment 1, the difference is that a positioning seat 224 is disposed at the outer side of the bottom end of the lower mold 2, a positioning rod 225 is fixedly disposed at the top end of the positioning seat 224, a positioning plate 105 slidably connected to the positioning rod 225 is disposed at the outer side of the upper mold 1, when the upper mold 1 is close to the lower mold 2 for injection molding operation, the positioning plate 105 is close to the positioning seat 224 along the positioning rod 225 to keep synchronous operation with the injection molding operation, so as to play a role of secondary guidance, ensure the stability of normal injection molding operation, and further improve the injection molding efficiency of the device.

The working principle is as follows:

referring to the drawings of the specification, fig. 1-6, the upper mold 1 is attached to the lower mold 2 by sliding along the guide rod, so that the mold block 101 on the upper mold 1 is embedded into the mold cavity 201, injection molding raw materials are injected from the injection pipe 102 through the injection port 103, the raw materials are injected into the mold cavity 201 from the injection pipe 102 for injection molding, when the raw materials are excessively injected from the top end of the mold cavity 201, the raw materials are clamped between the corresponding second clamping plates 221 through the first clamping plates 220 to realize angle adjustment of the material blocking plates 219, after adjustment, the material blocking plates 219 block the injected raw materials, the raw materials are prevented from being excessively injected to the surface of the lower mold 2, after injection molding, the cooling liquid in the water tank 217 is injected into the cooling pipe 203 from the liquid inlet pipe 214 through the water pump 216, cooling heat dissipation work is performed on the mold cavity 201 through the cooling liquid in the cooling pipe 203, when the cooling liquid flows in the cooling pipe 203, under the meshing transmission action of the driving impellers 207 and the gears, the cooling liquid drives the heat dissipation blades 213 to rotate to perform double-layer heat dissipation work on the mold cavity 201, the heat dissipation, the gas in the cooling liquid flows into the cooling pipe 203, the cooling liquid 215, and the cooling liquid flows into the cooling liquid tank 217 from the cooling pipe 217, and is convenient for secondary storage.

The above description is only a preferred embodiment of the present invention, and the parts not described in the present invention can be realized by using or referring to the prior art. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. An injection mold easy to dissipate heat comprises an upper mold (1) and a lower mold (2) arranged below the upper mold, it is characterized in that a die cavity (201) is arranged inside the lower die (2), a heat dissipation cavity (202) is arranged outside the die cavity (201), a cooling pipe (203) is annularly arranged inside the heat dissipation cavity (202), the cooling pipe (203) is rectangular, the pipe wall of the cooling pipe (203) is provided with a mounting groove (204), an installation block (205) is arranged in the installation groove (204), a driving shaft (206) is arranged at one side of the mounting block (205), a driving impeller (207) is sleeved on the driving shaft (206), a heat dissipation plate (208) is arranged in the inner cavity of the cooling pipe (203), the driving shaft (206) extends to the bottom end of the inner cavity of the heat dissipation plate (208) from the side wall of the mounting block (205), a first gear (209) is sleeved on the driving shaft (206) positioned in the heat dissipation plate (208), the first gear (209) is connected with a second gear (210) in a meshing way, a third gear (211) is coaxially arranged on the second gear (210), the third gear (211) is arranged at the top end of the inner cavity of the heat dissipation plate (208), a fourth gear (212) is connected with the third gear (211) in a meshing way, and the fourth gear (212) is coaxially provided with a radiating fan blade (213).

2. An injection mold easy to dissipate heat according to claim 1, characterized in that: a liquid inlet pipe (214) communicated with the cooling pipe (203) is arranged on one side of the lower die (2), a liquid outlet pipe (215) communicated with the cooling pipe (203) is arranged on the other side of the lower die (2), the liquid inlet pipe (214) and the liquid storage pipe are sequentially connected through a water pump (216) and a water tank (217), and the water pump (216) and the water tank (217) are both arranged at the front end of the lower die (2).

3. An injection mold easy to dissipate heat according to claim 1, characterized in that: the top of bed die (2) is cyclic annularly provided with multiunit rotor plate (218) all around, every group rotor plate (218) rotate and are connected with striker plate (219), the lateral wall of striker plate (219) rotates and is provided with first cardboard (220), the top equidistance of bed die (2) is provided with multiunit second cardboard (221).

4. An injection mold easy to dissipate heat according to claim 1, characterized in that: the mould is characterized in that a mould block (101) is arranged at the bottom end axis of the upper mould (1), the mould block (101) is connected with the upper mould (1) in a clamping mode, a liquid injection pipe (102) is arranged in an inner cavity of the mould block (101), and a liquid injection port (103) is formed in the top end of the liquid injection pipe (102).

5. An injection mold easy to dissipate heat according to claim 1, characterized in that: the top bilateral symmetry of bed die (2) is provided with guide post (222), the outside cover of guide post (222) is equipped with first locating piece (223), the bottom bilateral symmetry of going up mould (1) is provided with second locating piece (104) with first locating piece (223) looks adaptation.

6. An injection mold easy to dissipate heat according to claim 1, characterized in that: a positioning seat (224) is arranged on the outer side of the bottom end of the lower die (2), a positioning rod (225) is fixedly arranged at the top end of the positioning seat (224), and a positioning plate (105) connected with the positioning rod (225) in a sliding mode is arranged on the outer side of the upper die (1).