CN213006268U - Heat dissipation type plastic injection mold - Google Patents

Abstract

The utility model discloses a heat dissipation type plastic injection mold, the power distribution box comprises a box body, the inside of box is equipped with cover half and movable mould, the inboard laminating mutually of cover half and movable mould, the intercommunication has the mouth of moulding plastics in the middle of the top of movable mould. This heat dissipation type plastic injection mold, external comdenstion water gets into through pipeline left side water inlet and is forming the condensation circulation in the delivery port discharge through the right side simultaneously, the cold wind that two fans blown out combines the low temperature air conditioning of pipeline to blow the cold wind to the die cavity, make the mould rapid cooling heat dissipation in it, the device has been solved and has just bloied the heat dissipation through the air-blower, and still there is the problem that the radiating efficiency is low, make the movable mould move along the vertical on-line of movable mould and form complete die cavity, guarantee the perfectness of injection mould model, the device is when making the mould shaping, because the movable mould lacks spacingly, make and cover half contact can take place the skew, cause the mould after the shaping to walk the problem of.

Description

Heat dissipation type plastic injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a heat dissipation type plastic injection mold.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

For example, patent number is 201820391603.2 a heat dissipation type plastic injection mold, including die block and cover half, the die cavity that sets up on the die block, be provided with the passageway of moulding plastics on the cover half, be provided with the heat dissipation passageway in the die block, be provided with the heat dissipation through-hole on the cover half, though the device, can take away the heat through the air current, be favorable to improving radiating efficiency, the stability in use is good and the practicality is strong, but the device is only through the air-blower heat dissipation of blowing, and still there is the problem that the radiating efficiency is low, there is the device simultaneously when making the mould shaping, because the movable mould lacks spacingly, make and cover half contact can take place the skew, cause the mould after the shaping to.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation type plastic injection mold to the device that proposes in solving above-mentioned background art only bloies the heat dissipation through the air-blower, and still has the problem that the radiating efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation type plastic injection mold comprises a box body, wherein a fixed mold and a movable mold are arranged inside the box body, the inner sides of the fixed mold and the movable mold are attached, an injection molding opening is communicated with the middle of the upper part of the movable mold, the outer wall of the upper part of the injection molding opening is in clearance fit with the inner wall of the middle of the upper part of the box body, and a heat dissipation mechanism is arranged inside the lower part of the box body;

the heat dissipation mechanism comprises a supporting plate, a first motor, a worm wheel, a pin shaft, a support, a rotating rod, a fan and a pipeline;

the right-hand member rigid coupling of backup pad is at the below left end of box, the top rigid coupling of backup pad has first motor, the output shaft rigid coupling of first motor has the worm, the left and right sides of worm all rotates with the box through the bearing and links to each other, the left and right sides of worm all links to each other with the worm wheel meshing, and the left side the worm wheel rotates with the support through the round pin axle and links to each other, the bottom rigid coupling of support is at the left side bottom inner wall of box, the bull stick has been cup jointed to the front end outer wall of round pin axle, the top rigid coupling of bull stick has the fan, the top of fan is equipped with the pipeline, the equal rigid coupling of water inlet outer wall and the delivery port outer wall of pipeline is. The cold air blown out by the two fans is combined with the low-temperature cold air of the pipeline to blow the cold air to the die cavity, so that the die in the die cavity is cooled and radiated quickly.

Preferably, the fans and the center line of the pipeline are symmetrically distributed on the left side and the right side. The heat dissipation efficiency is improved.

Preferably, the conduit is helical. The wind blown out by the fan is convenient to be combined with the low-temperature cold air.

Preferably, the outer wall of the fixed die is fixedly connected with the inner wall of the middle of the loop bar, and the outer wall of the loop bar is fixedly connected with the inner wall of the lower part of the box body. And (5) installing and fixing the fixed die.

Preferably, a rotating mechanism is installed on the outer side of the movable mold;

the rotating mechanism comprises a gear, a supporting rod, a second motor and a rack;

the left and right sides the gear rotates with the box through the bracing piece respectively and links to each other, and the left side the middle output shaft with the second motor that links to each other fixed in the middle of the front end of gear, all with the rack meshing link to each other, the inboard rigid coupling of rack is at the top outer wall of movable mould. The moving power is improved for the moving die.

Preferably, the left side and the right side above the movable die are both provided with a limiting mechanism;

the limiting mechanism comprises a groove, an ejector rod, a sliding block, a sliding groove and a sliding plate;

the left side the recess is all seted up at the left side inner wall of movable mould, the internal surface of recess and the below outer wall clearance fit of ejector pin, the top rigid coupling of ejector pin is at the left side top inner wall of box, the below inboard of ejector pin is equipped with the slider, the front end rigid coupling of slider is in the left side top rear end of movable mould, slider and spout slip joint, the middle front end at the slide is seted up to the spout, the bottom surface in the middle of the top rigid coupling of slide in the top of ejector pin. And the movable mold is moved along the vertical line of the movable mold to form a complete mold cavity, so that the perfectness of the injection mold is ensured.

Preferably, the sliding block and the sliding groove form a sliding structure. The sliding block slides up and down in the sliding groove, so that the stability of the moving die moving downwards is ensured.

Preferably, the gap distance between the groove and the ejector rod is 0.1-0.2 mm. The stability of the movable mould moving downwards is improved.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the heat dissipation type plastic injection mold has the following advantages:

through the matching among the box body, the fixed die, the movable die, the supporting plate, the first motor, the worm wheel, the pin shaft, the bracket, the rotating rod, the fan and the pipeline, the output shaft of the first motor drives the worm to rotate forward and backward at low speed in the box body through the bearings on the left side and the right side, the worm wheels on the two sides are respectively rotated forward and backward at low speed on the brackets on the two sides through the pin shafts by the meshing force between the worm and the worm wheels on the two sides, the fan on the two sides is respectively swung in an arc-shaped reciprocating manner through the pin shafts on the two sides, the external power supplies of the two fans are switched on, meanwhile, external condensate water enters a water outlet on the right side through a water inlet on the left side of the pipeline and is discharged to form condensation circulation, and cold air blown by the two fans is combined with low-temperature cold air of the pipeline to blow the cold air to the die cavity, so that the die in the device is cooled and dissipated quickly, and the problem that the device only blows air through an air blower to dissipate heat and still has low heat dissipation efficiency is solved.

Through the cover half, the movable mould, the gear, the bracing piece, the second motor, the rack, a groove, the ejector pin, the slider, cooperation between spout and the slide, the output shaft of second motor drives left gear revolve and makes the movable mould downstream through the engaging force between gear and the rack, two recesses of movable mould both sides make the outer wall downstream at the ejector pin of both sides, the movable mould slides downstream in the spout of slider on the slide of both sides through both sides, make the movable mould move along the vertical line of movable mould and form complete die cavity, guarantee the perfection of injection mould model, the device is when making the mould shaping, because the movable mould lacks spacingly, make and can take place the skew with the cover half contact, cause the mould after the shaping to walk the problem of shape.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the structure of the pipe of FIG. 1;

FIG. 3 is a schematic view of the worm, the rotary rod and the fan of FIG. 1;

fig. 4 is a schematic structural diagram of the movable mold, the groove and the ejector rod in fig. 1.

In the figure: 1. the heat dissipation device comprises a box body, 2, a loop bar, 3, a fixed die, 4, a heat dissipation mechanism, 401, a supporting plate, 402, a first motor, 403, a worm, 404, a worm wheel, 405, a pin shaft, 406, a support, 407, a rotating rod, 408, a fan, 409, a pipeline, 5, a rotating mechanism, 501, a gear, 502, a supporting rod, 503, a second motor, 504, a rack, 6, a limiting mechanism, 601, a groove, 602, a top rod, 603, a sliding block, 604, a sliding groove, 605, a sliding plate, 7, a movable die, 8 and an injection molding opening.

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. 1-4, the present invention provides a technical solution: a heat dissipation type plastic injection mold comprises a box body 1, a fixed mold 3 and a movable mold 7 are arranged inside the box body 1, the inner sides of the fixed mold 3 and the movable mold 7 are attached, a complete mold cavity is formed by the fixed mold 3 and the movable mold 7, an injection opening 8 is communicated with the middle of the upper portion of the movable mold 7, plastic liquid is injected into the mold cavity through the injection opening 8, the outer wall of the upper portion of the injection opening 8 is in clearance fit with the inner wall of the middle of the upper portion of the box body 1, the injection opening 8 moves up and down in the box body 1, a heat dissipation mechanism 4 is arranged inside the lower portion of the box body 1, the heat dissipation mechanism 4 comprises a support plate 401, a first motor 402, a worm 403, a worm wheel 404, a pin 405, a support 406, a rotating rod 407, a fan 408 and a pipeline 409, the right end of the support plate 401 is fixedly connected to the left end of the lower portion of the box body 1, the top end of the, an output shaft of a first motor 402 drives a worm 403 to rotate forward and backward at low speed in the box body 1 through bearings on the left side and the right side, the left side and the right side of the worm 403 are both meshed with worm wheels 404, the left worm wheel 404 is rotatably connected with a support 406 through a pin 405, the worm 403 rotates forward and backward at low speed, the worm wheels 404 on the two sides are respectively rotated forward and backward at low speed on the support 406 on the two sides through the pin 405 by the meshing force between the worm 403 and the worm wheels 404 on the two sides, the worm wheels 404 and the pin 405 are integrated, the bottom end of the support 406 is fixedly connected with the inner wall of the left bottom end of the box body 1, a rotating rod 407 is sleeved on the outer wall of the front end of the pin 405, a fan 408 is fixedly connected to the top end of the rotating rod 407, the fan 408 on the two sides is respectively swung in an arc-shaped reciprocating manner by the pin 405 on the two sides, a pipeline, external condensed water enters a water outlet on the right side through a water inlet on the left side of the pipeline 409 and is discharged to form condensation circulation, cold air is blown to the die cavity by the two fans 408 in combination with the low temperature of the pipeline 409 to enable the cold air to be cooled and dissipated quickly, the pipeline 409 is made of copper materials, the type of the fan 408 is YNF-200-2T, the fans 408 and the center line of the pipeline 409 are symmetrically distributed on the left side and the right side to form the center, the heat dissipation efficiency is improved, the pipeline 409 is spiral, and the combination of the air blown out by the fans and the low-.

The outer wall of the fixed die 3 is fixedly connected with the middle inner wall of the loop bar 2, the outer wall of the loop bar 2 is fixedly connected with the lower inner wall of the box body 1, and the fixed die 3 is fixedly installed.

The rotating mechanism 5 is installed on the outer side of the movable mold 7, the rotating mechanism 5 comprises a gear 501, a supporting rod 502, a second motor 503 and a rack 504, the left and right gears 501 are respectively rotatably connected with the box body 1 through the supporting rod 502, the left and right gears 501 respectively rotate in the box body 1 through the supporting rod 502, the middle of the front end of the left gear 501 is fixedly connected with an output shaft of the second motor 503, the output shaft of the second motor 503 drives the left gear 501 to rotate, the gears 501 are respectively meshed with the rack 504, the inner side of the rack 504 is fixedly connected to the outer wall above the movable mold 7, the movable mold 7 is enabled to move up and down through the meshing force between the gears 501 and the rack 504, the left gear 501 provides power for the movable mold 7, and the right gear 501.

The left side and the right side above the movable mold 7 are both provided with a limiting mechanism 6, the limiting mechanism 6 comprises grooves 601, push rods 602, sliding blocks 603, sliding chutes 604 and sliding plates 605, the grooves 601 on the left side are all arranged on the inner wall on the left side of the movable mold 7, the inner surface of the grooves 601 is in clearance fit with the outer wall below the push rods 602, the two grooves 601 on the two sides of the movable mold 7 move up and down on the outer wall of the push rods 602 on the two sides to enable the moving up and down to be stable, the top end of the push rods 602 is fixedly connected with the inner wall on the top end on the left side of the box body 1, the sliding blocks 603 are arranged on the inner side below the push rods 602, the front ends of the sliding blocks 603 are fixedly connected with the rear ends above the left side of the movable mold 7, the sliding blocks 603 are in sliding clamping connection with the sliding chutes 604, the sliding chutes 604 are arranged on the front ends in the middle, the perfectness of the injection mold is guaranteed, the sliding groove 604 prevents the sliding block 603 from derailing, the top end of the sliding plate 605 is fixedly connected to the surface of the bottom end of the middle of the upper portion of the ejector rod 602, the sliding block 603 and the sliding groove 604 form a sliding structure, the sliding block 603 slides up and down in the sliding groove 604, the downward moving stability of the movable mold 7 is guaranteed, the gap distance between the groove 601 and the ejector rod 602 is 0.1-0.2mm, and the downward moving stability of the movable mold 7 is improved.

When the heat dissipation type plastic injection mold is used, firstly, an external power supply of a second motor 503 is switched on, an output shaft of the second motor 503 drives a left gear 501 to rotate and enables a movable mold 7 to move downwards through the meshing force between the gear 501 and a rack 504, two grooves 601 at two sides of the movable mold 7 move downwards on the outer walls of ejector rods 602 at two sides, the movable mold 7 slides downwards in sliding grooves 604 on sliding plates 605 at two sides through sliding blocks 603 at two sides, a complete mold cavity is formed by the fixed mold 3 and the movable mold 7, plastic liquid is injected into the mold cavity through an injection port 8, the external power supply of a first motor 402 is switched on, the first motor 402 works, the output shaft of the first motor 402 drives a worm 403 to rotate in the box body 1 at a positive and negative low speed through bearings at the left side and the right side, the worm gears 404 at two sides respectively rotate in the positive and negative directions through a pin shaft 405 on supports 406 at two sides through the meshing, the pin shafts 405 on the two sides respectively enable the fans 408 on the two sides to swing in an arc reciprocating mode through the rotating rods 407, an external power supply of the two fans 408 is switched on, external condensed water enters a water outlet on the right side through a water inlet on the left side of the pipeline 409 and is discharged to form condensation circulation, and cold air blown out by the two fans 408 is combined with low-temperature cold air of the pipeline 409 to blow the cold air to the mold cavity, so that molds in the mold cavity are cooled and cooled rapidly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (8)

1. The utility model provides a heat dissipation type plastic injection mold, includes box (1), its characterized in that: a fixed die (3) and a movable die (7) are arranged in the box body (1), the inner sides of the fixed die (3) and the movable die (7) are attached to each other, an injection molding opening (8) is communicated with the middle of the upper part of the movable die (7), the outer wall of the upper part of the injection molding opening (8) is in clearance fit with the inner wall of the middle of the upper part of the box body (1), and a heat dissipation mechanism (4) is arranged in the lower part of the box body (1);

the heat dissipation mechanism (4) comprises a supporting plate (401), a first motor (402), a worm (403), a worm wheel (404), a pin shaft (405), a support (406), a rotating rod (407), a fan (408) and a pipeline (409);

the right end of the supporting plate (401) is fixedly connected with the left end below the box body (1), the top end of the supporting plate (401) is fixedly connected with a first motor (402), the output shaft of the first motor (402) is fixedly connected with a worm (403), the left side and the right side of the worm (403) are rotationally connected with the box body (1) through bearings, the left side and the right side of the worm (403) are meshed with a worm wheel (404), the worm wheel (404) on the left side is rotatably connected with a bracket (406) through a pin shaft (405), the bottom end of the bracket (406) is fixedly connected with the inner wall of the bottom end of the left side of the box body (1), a rotating rod (407) is sleeved on the outer wall of the front end of the pin shaft (405), a fan (408) is fixedly connected to the top end of the rotating rod (407), the pipeline (409) is arranged above the fan (408), and the outer wall of the water inlet and the outer wall of the water outlet of the pipeline (409) are fixedly connected to the inner walls of the left side and the right side of the lower portion of the box body (1).

2. The heat dissipation type plastic injection mold according to claim 1, wherein: the fans (408) and the center line of the pipeline (409) are symmetrically distributed on the left side and the right side.

3. The heat dissipation type plastic injection mold according to claim 1, wherein: the conduit (409) is helical.

4. The heat dissipation type plastic injection mold according to claim 1, wherein: the outer wall rigid coupling of cover half (3) is at the middle inner wall of loop bar (2), the outer wall rigid coupling of loop bar (2) is at the below inner wall of box (1).

5. The heat dissipation type plastic injection mold according to claim 1, wherein: a rotating mechanism (5) is arranged on the outer side of the movable mold (7);

the rotating mechanism (5) comprises a gear (501), a supporting rod (502), a second motor (503) and a rack (504);

the left and right sides gear (501) rotate with box (1) through bracing piece (502) respectively and link to each other, and the left side the front end centre of gear (501) links to each other with the output shaft of second motor (503) is fixed, all with rack (504) meshing link to each other of gear (501), the inboard rigid coupling of rack (504) is at the top outer wall of movable mould (7).

6. The heat dissipation type plastic injection mold according to claim 1, wherein: limiting mechanisms (6) are mounted on the left side and the right side above the movable die (7);

the limiting mechanism (6) comprises a groove (601), a top rod (602), a sliding block (603), a sliding groove (604) and a sliding plate (605);

the left side recess (601) all set up the left side inner wall in movable mould (7), the internal surface of recess (601) and the below outer wall clearance fit of ejector pin (602), the top rigid coupling of ejector pin (602) is at the left side top inner wall of box (1), the below inboard of ejector pin (602) is equipped with slider (603), the front end of slider (603) is connected in the left side top rear end of movable mould (7) admittedly, slider (603) and spout (604) slip joint, the centre front end at slide plate (605) is set up in spout (604), the top rigid coupling of slide plate (605) is bottom surface in the middle of the top of ejector pin (602).

7. The heat dissipation type plastic injection mold according to claim 6, wherein: the sliding block (603) and the sliding groove (604) form a sliding structure.

8. The heat dissipation type plastic injection mold according to claim 6, wherein: the clearance distance between the groove (601) and the ejector rod (602) is 0.1-0.2 mm.

Images