CN111823524A

CN111823524A - Green type injection mold

Info

Publication number: CN111823524A
Application number: CN202010653503.4A
Authority: CN
Inventors: 谢焕演
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-27

Abstract

The invention discloses a green environment-friendly injection mold, belonging to the field of injection molds, comprising a bracket, wherein a lower mold is arranged in the bracket, a hydraulic push rod is arranged on the bracket, an upper mold matched with the lower mold is fixedly connected on the power output end of the hydraulic push rod, an injection molding device is fixedly connected between the upper mold and the power output end of the hydraulic push rod, a pair of pretreatment boxes matched with the lower mold is fixedly connected on the inner wall of the bracket, each pretreatment box comprises a shell, a sealing ring is fixedly connected at the lower end of the shell, a clamping groove matched with the sealing ring is formed on the outer wall of the lower mold, an exhaust channel communicated with a mold cavity of the lower mold is formed on the clamping groove, the waste gas that can realize utilizing the production of moulding plastics preheats the raw materials of moulding plastics, and the heat of retrieving can keep in the preliminary treatment case, makes the device still can preheat and keep warm the raw materials when carrying out the longer work of moulding plastics of off-time.

Description

Green type injection mold

Technical Field

The invention relates to the field of injection molds, in particular to an environment-friendly injection mold.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

However, the injection mold has many disadvantages in practical use, such as industrial waste gas generated when the plastic mold is just released from the fixed mold, the smell can be continuously generated to the complete cooling position of the mold, the duration is long, and if the industrial waste gas is directly discharged without being purified, the environment pollution can be caused.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide an environment-friendly injection mold which can preheat injection molding raw materials by using waste gas generated by injection molding, realize preheating recovery, and keep the recovered heat in a pretreatment box, so that the device can still preheat and preserve heat of the raw materials when the device is used for injection molding with long interruption time.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A green environment-friendly injection mold comprises a support, a lower mold is installed in the support, a hydraulic push rod is installed on the support, an upper mold matched with the lower mold is fixedly connected to a power output end of the hydraulic push rod, an injection molding device is fixedly connected between the upper mold and a power output end of the hydraulic push rod, a pair of pretreatment boxes matched with the lower mold are fixedly connected to the inner wall of the support, each pretreatment box comprises a shell, a sealing ring is fixedly connected to the lower end of the shell, a clamping groove matched with the sealing ring is formed in the outer wall of the lower mold, an exhaust channel communicated with a mold cavity of the lower mold is formed in the clamping groove, a gas collecting groove matched with the sealing ring is formed in the lower end of the shell, a material storage cavity is formed in the shell, a material supply pipe communicated with the material storage cavity is connected to the shell, and a material conveying device is fixedly connected to the bottom end of the, a material conveying hose is connected between the material conveying device and the injection molding device, a pair of air ducts communicated with the air collecting groove are fixedly connected to the shell, the bottom end of the gas guide tube is fixedly connected with a filter screen, the bottom end of the gas collecting groove is provided with a collecting groove, a collecting bag is fixedly connected in the collecting tank, a pair of gas washing boxes is fixedly connected at the top end of the bracket, the gas washing box is internally stored with gas washing liquid, a pair of U-shaped gas pipes matched with the gas guide pipes are fixedly connected in the gas washing box, one end of the U-shaped gas pipe far away from the gas guide pipe is fixedly connected with a one-way gas valve, the upper end of the gas washing box is connected with an exhaust pipe, can realize the preheating of the injection molding raw material by utilizing the waste gas generated by injection molding, realize the preheating recovery, and the recovered heat can be kept in the pretreatment box, so that the device can still preheat and preserve heat of the raw materials when the injection molding work with longer interruption time is carried out.

Further, the one end that U type gas-supply pipe is close to the air duct is connected with and connects public head soon, the top fixedly connected with of air duct connects female head soon with U type gas-supply pipe assorted, be connected with the sealing ring between U type gas-supply pipe and the air duct, make things convenient for the dismouting of gas washing case, improve the leakproofness between U type gas-supply pipe and the air duct.

Further, the air duct has the heat conduction material to make, a plurality of evenly distributed's of fixedly connected with radiating fin on the outer wall of air duct, a plurality of evenly distributed's of fixedly connected with active carbon absorption piece on the inner wall of air duct, the active carbon absorption piece is internal to be mixed with the heat preservation cotton, and heat transmission in with the air duct through radiating fin is to the casing in, preserves the heat through the heat preservation cotton, makes the air duct be in the heating state for a long time.

Further, fixedly connected with guide plate on the inner wall of sealing ring, the inclination of guide plate is 60, through the guide plate water conservancy diversion after, the air current from last to striking down collects the bag, makes the impurity in the waste gas can be caught by collecting the bag.

Further, the cross-section of gas washing case is the L type, the gas washing liquid that the gas washing case bottom was stored is sodium hydroxide alkene solution, breathes in through the gas washing liquid, gets rid of the gaseous pollutant in the waste gas.

Furthermore, the injection molding device comprises a quantitative storage tank, a melting device and an injection molding nozzle, a pair of delivery hoses are connected with the quantitative storage tank, the injection nozzle is communicated with a cavity of the lower mold, and the melting device is arranged in the quantitative storage tank.

Furthermore, the outer wall of the upper die is attached to the surface of the pretreatment box, a through hole matched with the material conveying hose is formed in the upper die in a chiseled mode, and the outer wall of the material conveying hose is coated with a metal protective layer to prevent the material conveying hose from being broken when the material conveying hose moves on the upper die.

The use method of the green environment-friendly injection mold comprises the following steps:

s1, controlling the hydraulic push rod to enable the upper die and the lower die to be combined, then controlling the material conveying device to input the injection molding raw material stored in the shell into the injection molding device, and performing injection molding through the injection molding device;

s2, in the injection molding process, waste gas is generated in a cavity of the mold, the waste gas enters the sealing ring through the exhaust channel, after the waste gas is guided by the guide plate, the airflow impacts the collecting bag, part of impurities in the waste gas are captured by the collecting bag and then enter the air guide tube, when the waste gas enters the air guide tube, the filter screen at the bottom end of the air guide tube blocks part of waste material particles, the waste material particles fall into the collecting bag, after the waste gas enters the air guide tube, part of pollutants in the waste gas are adsorbed by the activated carbon absorption block, and finally the waste gas is discharged into the gas washing liquid stored in the gas washing box through;

s3, when the air current flows in the air duct, the heat carried by the air current penetrates into the shell through the heat exchange fins on the air duct, so that the heat of the waste gas preheats the raw material stored in the shell, and the heat carried by the waste gas impurities absorbed by the activated carbon absorption block is absorbed by the heat insulation cotton in the activated carbon absorption block, so that the air duct can still keep a certain temperature to preheat the principle in the shell when the die is not in operation.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize that the waste gas that the utilization was moulded plastics and is produced preheats the raw materials of moulding plastics, realizes preheating and retrieves, and the heat of retrieving can keep in the preliminary treatment incasement, makes the device still can preheat and keep warm the raw materials when carrying out the longer injection moulding work of off-time.

(2) This scheme air duct has the heat conduction material to make, and a plurality of evenly distributed's of fixedly connected with radiating fin on the outer wall of air duct, a plurality of evenly distributed's of fixedly connected with active carbon absorption piece on the inner wall of air duct, the active carbon absorption piece internal mixing has the heat preservation cotton, and heat transmission to the casing in with the air duct through radiating fin is in the heat preservation cotton, makes the air duct be in the heating state for a long time.

(3) The one end that this scheme U type gas-supply pipe is close to the air duct is connected with and connects public head soon, and the top fixedly connected with of air duct is connected with the sealing ring with U type gas-supply pipe assorted female head soon between U type gas-supply pipe and the air duct, makes things convenient for the dismouting of gas washing case, improves the leakproofness between U type gas-supply pipe and the air duct.

(4) Fixedly connected with guide plate on the inner wall of sealing ring, the inclination of guide plate is 60, through the guide plate water conservancy diversion after, the air current from last to striking the collection bag down, makes the impurity in the waste gas can be caught by the collection bag, and the cross-section of gas washing case is the L type, and the gas washing liquid that the gas washing bottom of the case end was stored is sodium hydroxide alkene solution, breathes in through the gas washing liquid, gets rid of the gaseous pollutant in the waste gas.

Drawings

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

FIG. 2 is an exploded view of the present invention

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a cross-sectional view of the pretreatment tank of the present invention.

The device comprises a support 1, a lower die 2, an exhaust channel 201, an upper die 3, a hydraulic push rod 4, an injection molding device 5, a delivery hose 6, a pretreatment tank 7, a shell 701, a sealing ring 702, an air duct 703, a guide plate 704, a collecting bag 705, a delivery device 706, an activated carbon absorption block 707, a feed pipe 8, a gas washing tank 9, an exhaust pipe 10 and an air duct 11U.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: referring to fig. 1-3, a green environment-friendly injection mold comprises a support 1, a lower mold 2 is installed in the support 1, a hydraulic push rod 4 is installed on the support 1, an upper mold 3 matched with the lower mold 2 is fixedly connected to a power output end of the hydraulic push rod 4, an injection device 5 is fixedly connected between the upper mold 3 and the power output end of the hydraulic push rod 4, the injection device 5 comprises a quantitative storage tank, a melting device and an injection nozzle, a pair of material conveying hoses 6 are connected with the quantitative storage device, the injection nozzle is communicated with a cavity of the lower mold 2, the melting device is installed in the quantitative storage tank, a pair of pretreatment tanks 7 matched with the lower mold 2 are fixedly connected to an inner wall of the support 1, an outer wall of the upper mold 3 is attached to a surface of the pretreatment tanks 7, through holes matched with the material conveying hoses 6 are drilled on the upper mold 3, a metal protective layer is coated on an outer wall of the material conveying hoses, preventing the flexible delivery pipe 6 from being broken when moving on the upper die 3.

Referring to fig. 3-5, the pretreatment tank 7 includes a housing 701, a sealing ring 702 is fixedly connected to the lower end of the housing 701, a slot matching with the sealing ring 702 is formed on the outer wall of the lower mold 2, an exhaust channel 201 communicating with the mold cavity of the lower mold 2 is formed on the slot, a gas collecting channel matching with the sealing ring 702 is formed on the lower end of the housing 701, a guide plate 704 is fixedly connected to the inner wall of the sealing ring 702, the guide plate 704 has an inclination angle of 60 °, after being guided by the guide plate 704, an air flow impacts the collecting bag 705 from top to bottom to enable impurities in the exhaust gas to be captured by the collecting bag 705, a material storage cavity is formed in the housing 701, a feeding pipe 8 communicating with the material storage cavity is connected to the housing 701, a material conveying device 706 is fixedly connected to the bottom end of the inner wall of the material storage cavity, a material conveying hose 6 is connected between the material conveying device 706 and the, the bottom fixedly connected with filter screen of air duct 703, the collecting vat has been dug to the bottom of gas collecting vat, fixedly connected with collects bag 705 in the collecting vat, air duct 703 has the heat conduction material to make, a plurality of evenly distributed's of fixedly connected with radiating fin on the outer wall of air duct 703, a plurality of evenly distributed's of fixedly connected with active carbon absorption piece 707 on the inner wall of air duct 703, it is cotton that the active carbon absorbs and has mixed the heat preservation in the piece 707, heat transfer to casing 701 in with air duct 703 through radiating fin, preserve the heat through the heat preservation cotton, make air duct 703 be in the heating state for a long time.

Referring to fig. 3-4, a pair of scrubbing tanks 9 are fixedly connected to the top end of the support 1, scrubbing liquid is stored in the scrubbing tanks 9, the cross section of the scrubbing tanks 9 is L-shaped, the scrubbing liquid stored at the bottom end of the scrubbing tanks 9 is a sodium hydroxide alkene solution, the gas is sucked by the gas washing liquid to remove the gaseous pollutants in the waste gas, a pair of U-shaped gas pipes 11 matched with the gas guide pipe 703 are fixedly connected in the gas washing box 9, one end of the U-shaped gas pipe 11 far away from the gas guide pipe 703 is fixedly connected with a one-way gas valve, the upper end of the gas washing box 9 is connected with an exhaust pipe 10, can realize utilizing the waste gas that moulds plastics and produce, the one end that U type air-supply pipe 11 is close to air duct 703 is connected with the male joint of taking over soon, and the top fixedly connected with of air duct 703 connects female joint with U type air-supply pipe 11 assorted soon, is connected with the sealing ring between U type air-supply pipe 11 and the air duct 703, makes things convenient for 9's dismouting, improves the leakproofness between U type air-supply pipe 11 and the air duct 703.

s1, controlling the hydraulic push rod 4 to enable the upper die 3 and the lower die 2 to be combined, then controlling the material conveying device 706 to input the injection molding raw material stored in the shell 701 into the injection molding device 5, and performing injection molding through the injection molding device 5;

s2, in the injection molding process, waste gas is generated in a cavity of the mold, the waste gas enters the sealing ring 702 through the exhaust channel 201, after being guided by the guide plate 704, the airflow impacts the collecting bag 705, part of impurities in the waste gas are captured by the collecting bag 705 and then enter the air duct 703, when entering the air duct 703, a filter screen at the bottom end of the air duct 703 blocks part of waste particles, so that the waste particles fall into the collecting bag 705, after the waste gas enters the air duct 703, part of pollutants in the waste gas are adsorbed by the activated carbon absorption block 707, and finally the waste gas is discharged into the washing gas stored in the washing gas box 9 through the U-shaped gas pipe 11;

s3, when the airflow flows in the air duct 703, the heat carried by the airflow penetrates into the shell 701 through the heat exchange fins on the air duct 703, so that the heat of the exhaust gas preheats the raw material stored in the shell 701, and the heat carried by the exhaust gas impurities absorbed by the activated carbon absorption block 707 is absorbed by the heat insulation cotton in the activated carbon absorption block 707, so that the air duct 703 can still keep a certain temperature through the activated carbon absorption block 707 to preheat the principle in the shell 701 when the mold is not in operation.

This scheme can realize that the waste gas that the production of moulding plastics is preheated the raw materials of moulding plastics to the utilization, realize preheating and retrieving, absorb in the waste gas through activated carbon absorption piece 707 and carry thermal impurity, the heat that makes impurity is absorbed by the heat preservation cotton in activated carbon absorption piece 707, realize thermal waste gas thermal storage, make air duct 703 can still keep the higher temperature of a definite time after the device stops the work of moulding plastics to preheat and keep warm the raw materials of moulding plastics of storing in casing 701, effectively prevent to annotate in casing 701 and mould plastics the raw materials cooling and solidify, make the device carry out the longer work of moulding plastics of off-time, the principle of its storage can keep preheating the state for a long time, make things convenient for the device to carry out the work of moulding plastics once more at any time, this scheme is the heat that the waste gas of effectively utilizing carried when.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a green environment-friendly injection mold, includes support (1), install bed die (2) in support (1), install hydraulic pressure push rod (4) on support (1), fixedly connected with and bed die (2) assorted mould (3) on the power take off of hydraulic pressure push rod (4), its characterized in that: an injection molding device (5) is fixedly connected between the power output end of the upper die (3) and the power output end of the hydraulic push rod (4), a pair of pretreatment boxes (7) matched with the lower die (2) is fixedly connected to the inner wall of the support (1), each pretreatment box (7) comprises a shell (701), a sealing ring (702) is fixedly connected to the lower end of each shell (701), a clamping groove matched with the sealing ring (702) is formed in the outer wall of the lower die (2), an exhaust passage (201) communicated with a die cavity of the lower die (2) is formed in the clamping groove, a gas collecting groove matched with the sealing ring (702) is formed in the lower end of each shell (701), a material storage cavity is formed in each shell (701), a feeding pipe (8) communicated with the material storage cavity is connected to each shell (701), and a material conveying device (706) is fixedly connected to the bottom end of the inner wall of the material storage cavity, be connected with defeated material hose (6) between feeding device (706) and injection molding device (5), fixedly connected with is a pair of and the communicating air duct (703) of gas collecting channel on casing (701), the bottom fixedly connected with filter screen of air duct (703), the collecting vat has been dug to the bottom of gas collecting channel, fixedly connected with collection bag (705) in the collecting vat, a pair of gas tank (9) of washing of top fixedly connected with of support (1), the gas washing liquid has been stored in gas tank (9), a pair of U type gas-supply pipe (11) with air duct (703) assorted of fixedly connected with in gas tank (9), the one-way air valve of one end fixedly connected with of air duct (703) is kept away from in U type gas-supply pipe (11), the upper end of gas tank (9) is connected with blast pipe (10).

2. The environment-friendly injection mold as claimed in claim 1, wherein: one end of the U-shaped air delivery pipe (11) close to the air guide pipe (703) is connected with a quick-connection male head, the top end of the air guide pipe (703) is fixedly connected with a quick-connection female head matched with the U-shaped air delivery pipe (11), and a sealing ring is connected between the U-shaped air delivery pipe (11) and the air guide pipe (703).

3. The environment-friendly injection mold as claimed in claim 1, wherein the air duct (703) is made of heat conducting material, the outer wall of the air duct (703) is fixedly connected with a plurality of uniformly distributed heat dissipation fins, the inner wall of the air duct (703) is fixedly connected with a plurality of uniformly distributed activated carbon absorption blocks (707), and heat insulation cotton is mixed in the activated carbon absorption blocks (707).

4. The environment-friendly injection mold as claimed in claim 1, wherein: fixedly connected with guide board (704) on the inner wall of sealing ring (702), the inclination of guide board (704) is 60.

5. The environment-friendly injection mold as claimed in claim 1, wherein: the cross section of the gas washing box (9) is L-shaped, and the gas washing liquid stored at the bottom end of the gas washing box (9) is a sodium hydroxide alkene solution.

6. The environment-friendly injection mold as claimed in claim 1, wherein: the injection molding device (5) comprises a quantitative storage tank, a melting device and an injection molding nozzle, the material conveying hoses (6) are connected with the quantitative storage tank, the injection nozzle is communicated with a cavity of the lower mold (2), and the melting device is arranged in the quantitative storage tank.

7. The environment-friendly injection mold as claimed in claim 1, wherein: go up the outer wall of mould (3) and the surface laminating of preliminary treatment case (7), it has and defeated material hose (6) assorted through-hole to open the chisel on mould (3) to go up, the cladding has the metal protection layer on the outer wall of defeated material hose (6).

8. The green environmental-friendly injection mold according to claim 1, characterized in that: the using method comprises the following steps:

s1, controlling a hydraulic push rod (4) to enable an upper die (3) and a lower die (2) to be combined, then controlling a material conveying device (706) to input the injection molding raw material stored in the shell (701) into an injection molding device (5), and performing injection molding through the injection molding device (5);

s2, in the injection molding process, waste gas is generated in a cavity of the mold, the waste gas enters a sealing ring (702) through an exhaust channel (201), after the waste gas is guided by a guide plate (704), the gas flow impacts a collection bag (705), part of impurities in the waste gas are captured by the collection bag (705) and then enter a gas guide pipe (703), when the waste gas enters the gas guide pipe (703), a filter screen at the bottom end of the gas guide pipe (703) blocks part of waste particles, the waste particles fall into the collection bag (705), after the waste gas enters the gas guide pipe (703), part of pollutants in the waste gas are adsorbed by an activated carbon absorption block (707), and finally the waste gas is discharged into the gas washing liquid stored in a gas washing box (9) through a U-shaped gas pipe (11);

s3, when the airflow flows in the air duct (703), the heat carried by the airflow penetrates into the shell (701) through the heat exchange fins on the air duct (703), so that the heat of the exhaust gas preheats the raw material stored in the shell (701), and the heat carried by the exhaust gas impurities absorbed by the activated carbon absorption block (707) is absorbed by the heat insulation cotton in the activated carbon absorption block (707), so that the air duct (703) can still keep a certain temperature through the activated carbon absorption block (707) to preheat the principle in the shell (701) when the mold is not in operation.