In-mold hot cutting injection mold

Abstract

The utility model discloses an in-mold hot cutting injection mold, relates to the technical field of injection molds, and aims to solve the problems that in the prior art, natural cooling is needed during product injection molding, the consumed time is long, the injection molding efficiency is not improved, and the practicability is poor. A second mold body is arranged on one side of the first mold body, the first mold body and the second mold body are closed to form a mold cavity, an injection molding hole is formed in the upper portion of the interior of the first mold body and communicates with the mold cavity, a protruding block is fixedly installed on one side of the second mold body, the second mold body and the protruding block are of an integrated structure, and a heat dissipation cavity is formed in the protruding block. And a conveying runner is arranged in the second mold body along one side of the heat dissipation cavity, air inlet runners are symmetrically arranged on the upper portion and the lower portion of one side in the second mold body correspondingly, the air inlet runners communicate with the conveying runner, filter plates are fixedly installed on the upper end face and the lower end face of the second mold body correspondingly, and the filter plates communicate with the air inlet runners.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of hot cutting injection mold in mould. BACKGROUND

[0002] Injection mold is widely used in the production of plastic parts and products, especially suitable for mass production of products with complex geometric shape and high precision requirements, such as automobile parts, electronic shell, household appliances, toys, etc.

[0003] For example, the authorized patent (a hot cutting injection mold in mould) with announcement number CN220348954U: including lower mold and upper mold, upper mold has injection mold groove, upper mold's both sides are equipped with feed inlet, exhaust port and cutter groove;Upper mold has double-output-shaft motor, double-output-shaft motor's both ends have eccentric shaft, eccentric shaft has transmission rod, cutter groove has material baffle, upper mold has air cylinder, air cylinder has cutter;

[0004] The above-mentioned prior art can cover the cutter groove with the material baffle, which can effectively prevent the injection material from flowing into the cutter groove, but it does not have an auxiliary heat dissipation structure, so that the product needs to be cooled naturally during injection molding, which consumes a lot of time and is not conducive to the efficiency of injection molding, and the practicability is poor. Therefore, there is an urgent need to develop a hot cutting injection mold in mould to help people solve the existing problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of hot cutting injection mold in mould to solve the problem of the above background art, which needs to be cooled naturally during product injection molding, consumes a lot of time, is not conducive to the efficiency of injection molding and has poor practicability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hot cutting injection mold in mould, including mould one, the one side of mould one is provided with mould two, mould one and mould two are closed to form mould cavity, the upper part of the inside of mould one is provided with injection hole, the injection hole is communicated with mould cavity, the one side of mould two is fixedly installed with protruding block, and mould two and protruding block are set as integrated structure, the inside of protruding block is provided with heat dissipation cavity, the one side of the inside of mould two along heat dissipation cavity is provided with conveying flow channel, the upper part and the lower part of the one side of the inside of mould two are respectively provided with air inlet flow channel, the air inlet flow channel is communicated with conveying flow channel, the upper end face and the lower end face of mould two are both fixedly installed with filter plate, and the filter plate is communicated with air inlet flow channel, the inside of two air inlet flow channels is both provided with fan blade, the one side of fan blade towards conveying flow channel is fixedly installed with transmission shaft, and the transmission shaft is rotatably connected with mould two.

[0007] Preferably, the interior of the heat dissipation cavity is provided with a heat dissipation plate, the heat dissipation plate is fixedly connected with the convex block, a plurality of temperature guide plates are fixedly installed on one side of the heat dissipation plate, one end of the temperature guide plate away from the heat dissipation plate extends to the interior of the mold cavity, the end surface of the temperature guide plate away from the heat dissipation plate is flush with the end surface of the convex block, a plurality of heat dissipation fins are fixedly installed on the other side of the heat dissipation plate, and a plurality of air holes are arranged in the heat dissipation fins.

[0008] Preferably, the interior of the heat dissipation cavity is provided with a device cavity, one end of the transmission shaft extends into the interior of the device cavity and is fixedly installed with a gear one, and the gear one is meshedly connected with a gear two.

[0009] Preferably, the interior of the device cavity is provided with a partition two, the partition two is fixedly connected with the mold body two, an electric motor is fixedly installed on one side of the partition two, and the output end of the electric motor penetrates through the partition two and is fixedly connected with the gear two.

[0010] Preferably, the upper part and the lower part of the interior of the mold body one are respectively and symmetrically provided with a knife cavity, the interior of the knife cavity is provided with a partition one, the partition one is fixedly connected with the mold body one, an electric cylinder is fixedly installed on one side of the partition one, and a cutting knife is arranged on the other side of the partition one, the push rod end of the electric cylinder slides through the partition one and is fixedly connected with the cutting knife.

[0011] Preferably, the upper part and the lower part of the interior of the mold body two are respectively and symmetrically provided with a guide groove, the interior of the guide groove is provided with a guide column, and one end of the guide column extends to one side of the mold body two and is fixedly connected with the mold body one.

[0012] Preferably, one side of the mold body one is fixedly installed with a mold plate one, and one side of the mold body two is fixedly installed with a mold plate two.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a mold body two, a transmission shaft, a gear one, a gear two, a partition two, an electric motor, a partition one, an electric cylinder and a cutting knife are arranged in the mold body two, the mold body two is fixedly connected with the mold body one, the transmission shaft is fixedly connected with the fan blade, the gear one is fixedly connected with the gear two, the electric motor is fixedly connected with the gear two, the partition two is fixedly connected with the mold body two, the electric cylinder is fixedly connected with the partition one, and the cutting knife is fixedly connected with the partition one.

[0015] 2. The utility model discloses through the heat dissipation cavity inside the heat dissipation plate, the temperature guide board and the heat dissipation fin further enhance the heat dissipation effect, the heat dissipation structure of die casting aluminum alloy has good thermal conductivity and corrosion resistance, can rapidly conduct the heat of mould inside to the heat dissipation fin and removes through the air flow, and the temperature guide board extends to the mould cavity inside, effectively reduced the mould cavity temperature, improved the product cooling speed, simultaneously, the air hole of heat dissipation fin inside increased the air flow, further improved the heat dissipation efficiency.

[0016] 3. The utility model discloses through the knife cavity, electric cylinder and cutter etc. Structure inside mould one realizes the automatic separation of product and water gap part, makes injection mold for hot cutting injection mold in mould, this design not only improved production efficiency, also reduced the error and damage of manual operation, avoided the scratch and damage that traditional manual separation mode can cause. DRAWINGS

[0017] Figure 1 It is a schematic view of a hot cutting injection mold in mould of the utility model;

[0018] Figure 2 It is a sectional view of a hot cutting injection mold in mould of the utility model;

[0019] Figure 3 It is the enlarged schematic view of A part of the utility model;

[0020] Figure 4 It is the enlarged schematic view of B part of the utility model;

[0021] Figure 5 It is the enlarged schematic view of C part of the utility model.

[0022] In the drawing: 1, mould one;101, knife cavity;2, mould plate one;3, mould two;301, air inlet channel;302, delivery channel;303, heat dissipation cavity;304, guide groove;305, equipment cavity;4, mould plate two;5, mould cavity;6, guide column;7, injection hole;8, lug;9, heat dissipation plate;10, temperature guide board;11, heat dissipation fin;12, baffle one;13, electric cylinder;14, cutter;15, fan blade;16, transmission shaft;17, gear one;18, gear two;19, baffle two;20, motor. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5The utility model provides an embodiment: a kind of in-mold hot cutting injection mold, the one side of the body one 1 is provided with the body two 3, the body one 1 and the body two 3 close formation mould cavity 5, the upper portion of the inside of the body one 1 is provided with injection hole 7, injection hole 7 is communicated with mould cavity 5, the side of the body two 3 is fixedly installed with protruding block 8, and the body two 3 is set as integrated structure with protruding block 8, the inside of protruding block 8 is provided with heat dissipation cavity 303, the inside of the body two 3 is provided with conveying runner 302 along the side of heat dissipation cavity 303, the upper portion and the lower portion of the inside of the body two 3 are respectively symmetrically provided with air inlet runner 301, air inlet runner 301 is communicated with conveying runner 302, the upper end surface of the body two 3 and the lower end surface are all fixedly installed with filter plate, and filter plate is communicated with air inlet runner 301, the inside of two air inlet runner 301 is provided with fan blade 15, the side of fan blade 15 towards conveying runner 302 is fixedly installed with transmission shaft 16, transmission shaft 16 is rotatably connected with the body two 3.

[0025] When using, by setting heat dissipation cavity 303, conveying runner 302 and air inlet runner 301 in the body two 3, and by installing fan blade 15 and transmission shaft 16, heat transfer is accelerated by air flow, rapid heat dissipation inside mould is realized, at the same time, the filter plate equipped with air inlet runner 301 ensures the cleanliness of air circulation, further improves practicability, thereby shortens the cooling time after product injection, improves overall injection efficiency and productivity.

[0026] Please refer to Figure 2 And Figure 3 The inside of heat dissipation cavity 303 is provided with heat dissipation plate 9, heat dissipation plate 9 is fixedly connected with protruding block 8, a plurality of temperature guide plates 10 are fixedly installed on the side of heat dissipation plate 9, one end of temperature guide plate 10 away from heat dissipation plate 9 extends to the inside of mould cavity 5, the side end surface of temperature guide plate 10 away from heat dissipation plate 9 is flush with the end surface of protruding block 8, a plurality of heat dissipation fins 11 are fixedly installed on the other side of heat dissipation plate 9, heat dissipation plate 9, temperature guide plate 10 and heat dissipation fin 11 are all made of die-casting aluminum alloy, and a plurality of air holes are formed in the inside of heat dissipation fin 11.

[0027] The heat dissipation plate 9, temperature guide plate 10 and heat dissipation fin 11 arranged in heat dissipation cavity 303 further enhance the heat dissipation effect, the heat dissipation structure made of die-casting aluminum alloy has good thermal conductivity and corrosion resistance, can rapidly conduct the heat inside mould to heat dissipation fin 11 and take away through air flow, temperature guide plate 10 extends to the inside of mould cavity 5, effectively reduces the temperature of mould cavity 5, improves product cooling speed, at the same time, the air holes in heat dissipation fin 11 increase air flow, further improve the heat dissipation efficiency.

[0028] Please refer to Figure 2 , Figure 4 And Figure 5The inside of the heat dissipation cavity 303 is provided with an equipment cavity 305, one end of the transmission shaft 16 extends into the inside of the equipment cavity 305 and is fixedly provided with a gear one 17, one side of the gear one 17 is engagedly connected with a gear two 18, the inside of the equipment cavity 305 is provided with a partition two 19, the partition two 19 is fixedly connected with the mold body two 3, one side of the partition two 19 is fixedly provided with a motor 20, the output end of the motor 20 penetrates through the partition two 19 and is fixedly connected with the gear two 18, the gear two 18 and the gear one 17 are all provided as bevel gears, and the gear one 17 and the gear two 18 form a gear transmission structure.

[0029] The rotation of the fan blade 15 is realized by driving the gear transmission structure by the motor 20, which simplifies the operation process, reduces the labor intensity, and improves the stability and reliability of the heat dissipation system.

[0030] Please refer to Figure 2 and Figure 3 The upper and lower parts of the inside of the mold body one 1 are symmetrically provided with a cutter cavity 101, the inside of the cutter cavity 101 is provided with a partition one 12, and the partition one 12 is fixedly connected with the mold body one 1, one side of the partition one 12 is fixedly provided with an electric cylinder 13, the other side of the partition one 12 is provided with a cutter 14, the push rod end of the electric cylinder 13 slides through the partition one 12 and is fixedly connected with the cutter 14, the upper and lower parts of the mold cavity 5 are symmetrically provided with a water gap, and the cutter 14 is located at the communication position of the mold cavity 5 and the water gap, so that after the product pressure maintaining is completed, the product is separated from the water gap part by driving the cutter 14 to eject, the cutter remains in the ejecting state until a period of time before the product cooling is completed, and then the cutter is withdrawn, so that when the mold is opened, the product and the water gap part are in a separated state, facilitating the separation of the plastic part head and the product.

[0031] The cutter cavity 101, the electric cylinder 13 and the cutter 14 provided in the inside of the mold body one 1 realize the automatic separation of the product and the water gap part, so that the injection mold is an in-mold hot cutting injection mold, which not only improves the production efficiency, but also reduces the errors and damages caused by manual operation, and avoids scratches and damages caused by the traditional manual separation method.

[0032] Please refer to Figure 2 The upper and lower parts of the inside of the mold body two 3 are symmetrically provided with a guide groove 304, the inside of the guide groove 304 is provided with a guide column 6, one end of the guide column 6 extends to one side of the mold body two 3 and is fixedly connected with the mold body one 1.

[0033] The guide groove 304 and the guide column 6 provided in the inside of the mold body two 3 improve the clamping precision and stability of the mold, and also improve the anti-deformation ability of the mold, prolonging the service life of the mold.

[0034] Please refer to Figure 1The side of the die body one 1 is fixedly provided with a die plate one 2, the side of the die body two 3 is fixedly provided with a die plate two 4, and a plurality of bolt holes are arranged on the die plate one 2 and the die plate two 4.

[0035] The plurality of bolt holes arranged on the die plate one 2 and the die plate two 4 facilitate the installation and dismounting of the die.

[0036] Working principle: in use, the die body one 1 and the die body two 3 are closed, the injection material enters the die cavity 5 through the injection hole 7, in the injection process, the heat generated in the die is rapidly conducted to the heat dissipation fin 11 through the heat dissipation plate 9, the temperature guide plate 10 and the heat dissipation fin 11 structure in the heat dissipation cavity 303, and the air flow introduced by the air inlet flow channel 301 accelerates the heat transfer, the air circulation of the air hole in the heat dissipation fin 11 increases the air circulation, and the heat dissipation efficiency is improved, at the same time, the motor 20 drives the gear transmission structure to drive the fan blade 15 to rotate, and the air flow effect is enhanced, after the injection is completed, the electric cylinder 13 drives the cutter 14 to eject, and the product and the water gap part are automatically separated, so that the damage caused by the traditional manual separation is avoided.

[0037] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. An in-mould thermo-cut injection mould comprising a mould body (1), characterised in that: The side of the die body one (1) is provided with die body two (3), the die body one (1) and die body two (3) are closed to form die cavity (5), the upper side of the inside of die body one (1) is provided with injection hole (7), the injection hole (7) is communicated with die cavity (5), the side of die body two (3) is fixedly installed with protrusion (8), and die body two (3) and protrusion (8) are arranged as an integral structure, the inside of protrusion (8) is provided with heat dissipation cavity (303), the inside of die body two (3) is provided with conveying flow channel (302) along one side of heat dissipation cavity (303), the upper side and the lower side of one side of the inside of die body two (3) are symmetrically provided with air inlet flow channel (301), the air inlet flow channel (301) is communicated with conveying flow channel (302), the upper end surface and the lower end surface of die body two (3) are fixedly installed with filter plate, and the filter plate is communicated with air inlet flow channel (301), the inside of two air inlet flow channels (301) is provided with fan blade (15), the side, facing conveying flow channel (302), of fan blade (15) is fixedly installed with transmission shaft (16), and transmission shaft (16) is rotatably connected with die body two (3).

2. An in-mold thermo-cut injection mold according to claim 1, characterized in that: The inside of heat dissipation cavity (303) is provided with heat dissipation plate (9), the heat dissipation plate (9) is fixedly connected with protrusion (8), a plurality of temperature guide plates (10) are fixedly installed on one side of heat dissipation plate (9), one end, away from heat dissipation plate (9), of temperature guide plate (10) extends to the inside of die cavity (5), the end surface, away from heat dissipation plate (9), of temperature guide plate (10) is flush with the end surface of protrusion (8), a plurality of heat dissipation fins (11) are fixedly installed on the other side of heat dissipation plate (9), and a plurality of air holes are formed in the inside of heat dissipation fins (11).

3. An in-mold thermo-cut injection mold according to claim 1, characterized in that: The inside of heat dissipation cavity (303) is provided with equipment cavity (305), one end of transmission shaft (16) extends into the inside of equipment cavity (305) and is fixedly installed with gear one (17), gear two (18) is meshingly connected on one side of gear one (17).

4. An in-mold thermo-cut injection mold according to claim 3, characterized in that: The inside of equipment cavity (305) is provided with partition two (19), the partition two (19) is fixedly connected with die body two (3), the electric motor (20) is fixedly installed on one side of partition two (19), and the output end of electric motor (20) penetrates through partition two (19) and is fixedly connected with gear two (18).

5. An in-mold thermo-cut injection mold according to claim 4, characterized in that: The upper side and the lower side of the inside of die body one (1) are symmetrically provided with knife cavity (101), the inside of knife cavity (101) is provided with partition one (12), and the partition one (12) is fixedly connected with die body one (1), the electric cylinder (13) is fixedly installed on one side of partition one (12), and the other side of partition one (12) is provided with cutter (14), the push rod end of electric cylinder (13) slidably penetrates through partition one (12) and is fixedly connected with cutter (14).

6. An in-mold thermo-cut injection mold according to claim 1, characterized in that: The upper and lower parts of the die body two (3) are symmetrically provided with guide grooves (304), and the guide grooves (304) are internally provided with guide columns (6), one end of the guide column (6) extends to one side of the die body two (3) and is fixedly connected with the die body one (1).

7. An in-mold thermo-cut injection mold according to claim 1, characterized in that: One side of the die body one (1) is fixedly provided with a die plate one (2), and one side of the die body two (3) is fixedly provided with a die plate two (4).

Images