Efficient drying equipment for injection mold

Abstract

The utility model relates to the technical field of drying equipment, in particular to efficient drying equipment for an injection mold, which comprises a base, two strip-shaped mounting plates are symmetrically mounted at the top of the base, a plurality of conveying rollers are rotatably connected between the two strip-shaped mounting plates, and the conveying rollers are connected through a driving mechanism. A drying cover with openings in the two ends is further installed at the top of the base, the two ends of the two strip-shaped installation plates extend out of the drying cover, a plurality of drying pipes are installed on the inner wall of the drying cover, the drying pipes are annularly arranged, and each drying pipe is located between every two adjacent conveying rollers. The air spraying heads are arranged between the conveying rollers, external air is heated by the heating resistance wire through the air conveying pump and then conveyed to the air spraying heads to be sprayed out, hot air sprayed out by the air spraying heads can make full contact with a mold, the surface of the mold and the interior of a mold cavity are fully dried, and the drying effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field especially relates to a kind of drying equipment for high-efficiency injection mould. BACKGROUND

[0002] Injection mould is a special tool used in plastic injection molding process, by heating molten plastic injection into mould cavity, after cooling, solidification obtains the plastic product of required shape, injection mould needs to be dried by drying equipment after cleaning, and the moisture remaining on the surface of mould is dried.

[0003] The existing drying equipment is generally through conveying belt to convey mould to drying equipment to dry, but in drying process, the air sprayed by air jet head in drying equipment cannot fully contact with the outer surface of mould and the inner wall of mould cavity, leading to insufficient drying, poor drying effect, and in drying process, the moisture remaining on the surface of mould will evaporate into gas, these humidity will drift from the opening of drying equipment to working environment, increase the humidity of working environment, and then affect the drying of mould, and the use effect is poor.For this reason, we propose a kind of drying equipment for high-efficiency injection mould. SUMMARY

[0004] The utility model aims at solving the above-mentioned shortcomings in prior art, and provides a kind of drying equipment for high-efficiency injection mould.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: design a kind of drying equipment for high-efficiency injection mould, including base, the top of base is symmetrically equipped with two strip-shaped mounting plates, a plurality of conveying rollers are rotatably connected between the two strip-shaped mounting plates, and the conveying rollers are connected by driving mechanism;

[0006] Two ends of the drying cover provided with opening are also installed on the top of base, the two ends of the two strip-shaped mounting plates are all extended from the drying cover, and a plurality of drying pipes are installed on the inner wall of drying cover, the drying pipe is annularly arranged, and each drying pipe is located between adjacent two conveying rollers, and the inner surface of each drying pipe is equipped with a plurality of air jets, and the air jets are directed to the surface of mould;

[0007] The base is connected with the object plate by connecting rod on the bottom, the top of object plate is connected with gas pump, the gas outlet end of gas pump is connected with second gas pipe, the other end of second gas pipe is fixed on the side of heating cover and connected with heat exchange pipe installed in the inside of heating cover, the other end of heat exchange pipe is extended to the outside of heating cover and connected with first gas pipe, and first gas pipe is fixed on the top of drying cover, and each drying pipe is connected with first gas pipe by pipeline;

[0008] Heating resistance wire is installed on the inside of heating cover, and there is a spacing between heating resistance wire and heat exchange pipe.

[0009] A plurality of adsorption heads are arranged at both ends of the interior of the drying cover, one end of each of the adsorption heads is connected with the air suction pipe through a pipeline, the air suction pipe is fixed on the outer surface of the drying cover, one side of the air suction pipe is connected with the negative pressure pipe, the other end of the negative pressure pipe is fixed on the air inlet end of the negative pressure pump, the negative pressure pump is fixed on the placing plate, the air outlet end of the negative pressure pump is connected with the exhaust pipe, and the other end of the exhaust pipe is connected with the waste gas treatment equipment.

[0010] Preferably, the driving mechanism comprises a driving motor connected with one end of each conveying roller, the driving motor is fixed on the strip-shaped mounting plate, and the other end of each conveying roller is connected with a chain wheel, and the chain wheels on the adjacent two conveying rollers are connected through a chain.

[0011] Preferably, the air injection heads close to the opening of the drying cover are arranged in an inclined manner, and the inclined direction is towards the middle of the drying cover.

[0012] Preferably, the heating resistance wire and the heat exchange pipe are arranged in an "S" shape or a serpentine shape.

[0013] Preferably, a cover plate is arranged on one side of the heating cover, the cover plate covers the opening of the heating cover, and the edge of the cover plate is fastened to the side surface of the heating cover through bolts.

[0014] Preferably, a plurality of pairs of supporting legs are arranged on both sides of the bottom of the base, and the placing plate is located between the supporting legs.

[0015] Preferably, a control cabinet is further arranged on the bottom of the base, and a controller in the control cabinet is connected with the driving motor, the air supply pump, the negative pressure pump and the heating resistance wire through wires.

[0016] Preferably, a limiting disc is symmetrically arranged on the side surface of each conveying roller, the mold is located between each pair of limiting discs when the conveying roller conveys the mold, and there is a gap between the outer surface of the limiting disc and the drying pipe.

[0017] The design scheme of the utility model has the beneficial effects in the application process:

[0018] By arranging the air injection head between the conveying rollers and conveying the external air heated by the heating resistance wire to the air injection head through the air supply pump, the hot air sprayed by the air injection head can fully contact the mold, the surface of the mold and the cavity inside the mold can be fully dried, and the drying effect is good.

[0019] The moisture generated by the evaporation of the water on the surface of the mold during the drying process can be adsorbed by the negative pressure pump and discharged to the waste gas treatment equipment through the exhaust pipe for treatment, so that the moisture can be prevented from diffusing into the surrounding environment, the drying of the mold is avoided, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Structure diagram of the utility model Figure 1

[0021] Figure 2 Structure diagram of the utility model Figure 2

[0022] Figure 3 Connection structure diagram of the drying pipe and the air conveying pump of the utility model;

[0023] Figure 4 Connection structure diagram of the negative pressure pump and the suction head of the utility model;

[0024] Figure 5 Connection structure plan view of the conveying roller and the driving mechanism of the utility model.

[0025] In the figure: 1, base; 2, driving motor; 3, conveying roller; 4, strip mounting plate; 5, limiting disc; 6, air suction pipe; 7, drying cover; 8, first air conveying pipe; 9, heating cover; 10, heat exchange pipe; 11, air jet head; 12, suction head; 13, drying pipe; 14, air conveying pump; 15, second air conveying pipe; 16, object placing plate; 17, cover plate; 18, supporting leg; 19, negative pressure pipe; 20, negative pressure pump; 21, heating resistance wire; 22, exhaust pipe; 23, chain wheel; 24, control cabinet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] With reference to Figures 1-5 A kind of efficient drying equipment for injection mold, including base 1, the bottom of base 1 is equipped with control cabinet 24, controller is equipped in control cabinet 24, and the controller is one of control mainboard or PLC logic controller.

[0028] As Figure 1 And Figure 5 ​​As shown, the top of the base 1 is symmetrically mounted with two strip-shaped mounting plates 4, and several conveying rollers 3 are rotatably connected between the two strip-shaped mounting plates 4, and the conveying rollers 3 are connected through a driving mechanism. The specific structure of the driving mechanism is that the driving mechanism comprises a driving motor 2 connected with the end of one of the conveying rollers 3, the driving motor 2 is fixed on the strip-shaped mounting plate 4, the driving motor 2 is connected with the controller through wires, and the other end of each conveying roller 3 is connected with a chain wheel 23, and the chain wheels 23 on the adjacent two conveying rollers 3 are connected through a chain. In actual use, the staff places the cleaned injection mold on the conveying roller 3, and makes the mold cavity downward, and then controls the driving motor 2 to work through the controller, and the driving motor 2 can drive the conveying roller 3 to rotate under the action of the chain wheel 23 and the chain, so as to convey the mold.

[0029] As shown in Figure 1 and Figure 3 , a storage plate 16 is connected to the bottom of the base 1 through a connecting rod, the top of the storage plate 16 is connected to a gas conveying pump 14, the gas conveying pump 14 is connected to the controller through wires, the gas outlet end of the gas conveying pump 14 is connected to a second gas conveying pipe 15, the other end of the second gas conveying pipe 15 is fixed on the side of the heating cover 9 and is connected to the heat exchange pipe 10 installed inside the heating cover 9, the other end of the heat exchange pipe 10 extends to the outside of the heating cover 9 and is connected to the first gas conveying pipe 8, and the first gas conveying pipe 8 is fixed on the top of the drying cover 7. In actual use, the external air can be conveyed into the heat exchange pipe 10 through the second gas conveying pipe 15 by the gas conveying pump 14, and then conveyed into the first gas conveying pipe 8 through the heat exchange pipe 10.

[0030] As shown in Figure 3 , a heating resistance wire 21 is installed on one side of the inside of the heating cover 9, and there is a gap between the heating resistance wire 21 and the heat exchange pipe 10. The heating resistance wire 21 is connected to the controller through wires. In actual use, the heating resistance wire 21 can heat the air flowing through the heat exchange pipe 10.

[0031] As shown in Figure 2 and Figure 3 , a drying cover 7 with openings at both ends is also installed on the top of the base 1, both ends of the two strip-shaped mounting plates 4 extend out of the drying cover 7, and a plurality of drying pipes 13 are installed on the inner wall of the drying cover 7, each drying pipe 13 is connected to the first gas conveying pipe 8 through a pipeline, the drying pipes 13 are arranged in a ring shape, and each drying pipe 13 is located between the adjacent two conveying rollers 3, and the inner surface of each drying pipe 13 is provided with a plurality of air jet heads 11, the air jet heads 11 face the surface of the mold. In actual use, the air heated by the heating resistance wire 21 is conveyed into the drying pipe 13 through the first gas conveying pipe 8, and finally sprayed to the surface of the mold and the cavity in the drying cover 7 through the air jet heads 11, so as to dry the moisture on the surface of the mold and in the cavity.

[0032] It needs to be explained that, as shown in Figure 3 The air jet head 11 near the opening of the drying cover 7 is inclinedly arranged, and the inclination direction is towards the middle of the drying cover 7, so that the hot air sprayed by the air jet head 11 can be used for omnibearing drying of the surface of the mold during the conveying process, and the drying speed is high.

[0033] As shown in Figure 1 and Figure 4 A plurality of adsorption heads 12 are arranged at the two ends in the drying cover 7, one end of the adsorption head 12 is connected with the air suction pipe 6 through a pipeline, the air suction pipe 6 is fixed on the outer surface of the drying cover 7, one side of the air suction pipe 6 is connected with a negative pressure pipe 19, the other end of the negative pressure pipe 19 is fixed on the air inlet end of a negative pressure pump 20, the negative pressure pump 20 is fixed on the placing plate 16, the negative pressure pump 20 is connected with the controller through a wire, the air outlet end of the negative pressure pump 20 is connected with an exhaust pipe 22, the other end of the exhaust pipe 22 is connected with a waste gas treatment device, during actual use, the gas sprayed by the air jet head 11 will generate a large amount of moisture during the drying of the surface of the mold, the moisture will be adsorbed by the adsorption head 12 into the air suction pipe 6, then be sucked into the negative pressure pump 20 through the negative pressure pipe 19, and finally be discharged into the waste gas treatment device through the exhaust pipe 22 for treatment, so that the moisture will not be discharged into the external environment, so as to avoid affecting the drying effect of the mold.

[0034] Specifically, during use, the staff places the cleaned mold on the conveying roller 3, then drives the conveying roller 3 to rotate through the driving motor 2, and then the mold is conveyed into the drying cover 7, in the conveying process, the controller controls the air conveying pump 14 and the heating resistance wire 21 to work, the air conveying pump 14 conveys the external air into the heat exchange pipe 10 through the second air conveying pipe 15, the heating resistance wire 21 heats the air in the heat exchange pipe 10, the heated air is then conveyed into the first air conveying pipe 8 through the heat exchange pipe 10, and then is conveyed into the drying pipe 13 through the first air conveying pipe 8, and finally is sprayed towards the surface of the mold and the inside of the cavity through the air jet head 11, so as to dry the mold, during the drying process, the controller also controls the negative pressure pump 20 to work synchronously, the negative pressure pump 20 sucks out the air in the negative pressure pipe 19, so that the air suction pipe 6 generates suction force, the moisture generated during the drying process is sucked into the air suction pipe 6 by the adsorption head 12 when flowing to the two ends of the drying cover 7, and finally is discharged into the external waste gas treatment device along the air suction pipe 6, the negative pressure pipe 19 and the exhaust pipe 22 for treatment.

[0035] Further, as shown in Figure 3 The heating resistance wire 21 and the heat exchange pipe 10 are arranged in an "S" shape or a serpentine shape, so that the heating area of the heating resistance wire 21 is increased, and the length of the heat exchange pipe 10 in the heating cover 9 is also increased, the air heating time is prolonged, and the heating effect is improved.

[0036] Further, asFigure 1 As shown in the drawings, the heating cover 9 is provided with a cover plate 17 on one side, the cover plate 17 covers the opening of the heating cover 9, and the edge of the cover plate 17 is fastened with the side of the heating cover 9 through bolts. The opening of the heating cover 9 can be blocked through the cover plate 17, and the heat exchange pipe 10 and the heating resistance wire 21 in the heating cover 9 can be protected.

[0037] Further, as shown in the drawings, Figure 1 and Figure 2 The base 1 is provided with a plurality of pairs of supporting legs 18 on the bottom of the base 1, and the placing plate 16 is located between the supporting legs 18. The base 1 can be supported through the supporting legs 18, so that the placing plate 16 can be installed on the bottom of the base 1, and the gas conveying pump 14 and the negative pressure pump 20 on the base 1 can be prevented from being collided by external objects, and the use effect is improved.

[0038] Further, the limiting disc 5 is symmetrically installed on the side surface of each conveying roller 3. When the mold is conveyed, the mold is located between each pair of limiting discs 5, and there is a gap between the outer surface of the limiting disc 5 and the drying pipe 13. The mold can be limited through the limiting disc 5, and the mold can be prevented from colliding with the drying pipe 13 or the air jet head 11 during conveying.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-efficiency drying device for injection molds, comprising a base (1), characterized in that: Two strip mounting plates (4) are symmetrically installed on the top of the base (1). Several conveying rollers (3) are rotatably connected between the two strip mounting plates (4), and the conveying rollers (3) are connected to each other through a drive mechanism. A drying hood (7) with openings at both ends is installed on the top of the base (1). Both ends of the two strip mounting plates (4) extend out of the drying hood (7). Several drying pipes (13) are installed on the inner wall of the drying hood (7). The drying pipes (13) are arranged in a ring. Each drying pipe (13) is located between two adjacent conveying rollers (3). Several air nozzles (11) are installed on the inner surface of each drying pipe (13). The air nozzles (11) face the mold surface. A shelf (16) is connected to the bottom of the base (1) by a connecting rod. An air pump (14) is connected to the top of the shelf (16). The air outlet of the air pump (14) is connected to a second air pipe (15). The other end of the second air pipe (15) is fixed to the side of the heating cover (9) and connected to the heat exchange pipe (10) installed inside the heating cover (9). The other end of the heat exchange pipe (10) extends to the outside of the heating cover (9) and is connected to the first air pipe (8). The first air pipe (8) is fixed to the top of the drying cover (7). Each drying pipe (13) is connected to the first air pipe (8) through a pipe. A heating resistance wire (21) is installed on one side of the inside of the heating cover (9), and there is a gap between the heating resistance wire (21) and the heat exchange tube (10); Several adsorption heads (12) are installed at both ends inside the drying hood (7). One end of each adsorption head (12) is connected to the suction pipe (6) through a pipe. The suction pipe (6) is fixed on the outer surface of the drying hood (7). One side of the suction pipe (6) is connected to a negative pressure pipe (19). The other end of the negative pressure pipe (19) is fixed to the air inlet of the negative pressure pump (20). The negative pressure pump (20) is fixed on the shelf (16). The air outlet of the negative pressure pump (20) is connected to an exhaust pipe (22). The other end of the exhaust pipe (22) is connected to the waste gas treatment equipment.

2. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: The drive mechanism includes a drive motor (2) connected to the end of one of the conveying rollers (3). The drive motor (2) is fixed on the strip mounting plate (4), and the other end of each conveying roller (3) is connected to a sprocket (23). The sprockets (23) on two adjacent conveying rollers (3) are connected by a chain.

3. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: The jet nozzles (11) near the opening of the drying hood (7) are all tilted, and the tilting direction is towards the center of the drying hood (7).

4. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: The heating resistance wire (21) and the heat exchange tube (10) are both arranged in an "S" shape or a serpentine shape.

5. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: A cover plate (17) is provided on one side of the heating cover (9). The cover plate (17) covers the opening of the heating cover (9), and the edge of the cover plate (17) is fastened to the side of the heating cover (9) by bolts.

6. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: Several pairs of legs (18) are installed on both sides of the bottom of the base (1), and the shelf (16) is located between the legs (18).

7. The high-efficiency drying equipment for injection molds according to claim 2, characterized in that: The bottom of the base (1) is also equipped with a control cabinet (24). The controller inside the control cabinet (24) is connected to the drive motor (2), the air pump (14), the negative pressure pump (20) and the heating resistance wire (21) respectively through wires.

8. The high-efficiency drying equipment for injection molds according to claim 1, characterized in that: Each conveying roller (3) has a symmetrically mounted limiting plate (5) on its side. When the conveying roller (3) is conveying the mold, the mold is located between each pair of limiting plates (5), and there is a gap between the outer surface of the limiting plate (5) and the drying tube (13).

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