Plastic mold structure

Abstract

The utility model discloses a plastic mould structure, which belongs to the technical field of injection moulds and comprises a mould body and a cooling component, the mould body comprises an upper mould and a lower mould, and the upper mould is matched with the lower mould. The two cooling fans are arranged on the upper mold and the lower mold, so that the outer surfaces of the upper mold and the lower mold are fully blown by the two cooling fans, and the upper mold, the lower mold and a plastic finished product are rapidly cooled, so that the upper mold and the lower mold can be rapidly and effectively cooled, the operation safety of workers is ensured, the plastic finished product can be rapidly cooled, and the injection molding efficiency of the plastic finished product is effectively improved; the arc-shaped sliding block is driven by the swing rod to slide in the arc-shaped groove, so that the rotation angle of the blowing part is guided and limited, the rotation amplitude of the blowing part can be limited, the upper die and the lower die can be uniformly blown by airflow, and the cooling efficiency of the upper die and the lower die is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a plastic mold structure. BACKGROUND

[0002] Plastic mold is a kind of for the combination type mold of pressure molding, extrusion, injection, blow molding and low foaming forming, and the coordinated change of mold male die, female die and auxiliary forming system can process a series of plastic parts of different shapes and different sizes, and plastic mold is widely used in daily necessities, electronic products, medical equipment and automobile parts and multiple industries.

[0003] However, the temperature of the upper and lower molds is high after long-time injection molding work, and the prior art cannot effectively cool the upper and lower molds, which can easily cause the temperature of the mold to be too high to scald the workers, affect the safety of workers, and also affect the cooling effect of the plastic product, reduce the molding speed of the plastic product, prolong the demolding time and affect the injection molding efficiency of the plastic product. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a plastic mold structure, which can quickly and effectively cool the upper and lower molds through the cooling assembly, solving the problem of difficult effective cooling of the upper and lower molds.

[0005] The utility model is implemented by the following technical solutions:

[0006] The utility model is a plastic mold structure, which comprises a mold body and a cooling assembly, the mold body comprises an upper mold and a lower mold, the upper mold is matched with the lower mold, the cooling assembly comprises a U-shaped fixing frame, the U-shaped fixing frame is arranged on the bottom end outside of the lower mold, a through hole is formed in the U-shaped fixing frame, the number of the through holes is two, shaft rods one and two are respectively rotationally matched in the two through holes, a blowing piece is connected between the shaft rod one and the shaft rod two, one end of the shaft rod one away from the blowing piece penetrates through the through hole, the one end of the shaft rod one away from the blowing piece is matched with a driven bevel gear, a motor is arranged on the U-shaped fixing frame, a driving bevel gear is arranged on the output end of the motor, and the driving bevel gear is engaged with the driven bevel gear.

[0007] Further, the blowing piece comprises a heat dissipation fan and a frame, two heat dissipation fans are arranged in the frame, and the blowing piece is located in the horizontal plane of the connection between the upper mold and the lower mold.

[0008] Further, bearings are matched in the two through holes, and the outer surfaces of the shaft rod one and the shaft rod two are respectively matched with the inner rings of the two bearings.

[0009] Further, one end of the shaft rod two away from the blowing piece penetrates through the through hole, a swing rod is horizontally arranged at the one end of the shaft rod two away from the blowing piece, and an arc-shaped sliding block is arranged at one end of the swing rod.

[0010] Further, the U-shaped fixing frame is provided with an arc-shaped plate, and an arc-shaped slot is formed in the arc-shaped plate.

[0011] Further, the upper mold is provided with an injection nozzle.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1. The utility model discloses a cooling assembly, which is characterized by the following: the output end of the motor drives the blowing piece to rotate, so that the two cooling fans can fully blow the outer surfaces of the upper mold and the lower mold, thereby realizing rapid cooling of the upper mold, the lower mold and the plastic product, and achieving effective cooling of the upper mold and the lower mold, avoiding scalding of workers caused by the high temperature of the mold body, ensuring the safety of workers, and rapidly cooling the plastic product and accelerating the molding speed of the plastic product, reducing the demolding time of the plastic product and effectively improving the injection efficiency of the plastic product.

[0014] 2. The utility model discloses a cooling assembly, which is characterized by the following: the output end of the motor drives the blowing piece to rotate, so that the two cooling fans can fully blow the outer surfaces of the upper mold and the lower mold, thereby realizing rapid cooling of the upper mold, the lower mold and the plastic product, and achieving effective cooling of the upper mold and the lower mold, avoiding scalding of workers caused by the high temperature of the mold body, ensuring the safety of workers, and rapidly cooling the plastic product and accelerating the molding speed of the plastic product, reducing the demolding time of the plastic product and effectively improving the injection efficiency of the plastic product.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the mold structure.

[0017] Figure 2 It is a schematic view of the top of the mold structure.

[0018] Figure 3 It is an installation schematic view of the cooling assembly.

[0019] Figure 4 It is Figure 3 It is an enlarged view of A in the middle.

[0020] Figure 5 It is a structural schematic view of the blowing piece.

[0021] In the figure: 1, mold body; 2, upper mold; 201, injection nozzle; 3, lower mold; 4, cooling assembly; 401, U-shaped fixing frame; 402, blowing piece; 4021, cooling fan; 4022, frame; 403, shaft rod one; 4031, driven bevel gear; 404, shaft rod two; 405, motor; 4051, driving bevel gear; 406, swing rod; 4061, arc-shaped slider; 407, arc-shaped plate; 4071, arc-shaped slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Please refer to Figures 1-5 The present application provides a technical solution: a plastic mold structure, comprising a mold body 1 and a cooling assembly 4, the mold body 1 comprises an upper mold 2 and a lower mold 3, the upper mold 2 is matched with the lower mold 3, the upper mold 2 is provided with an injection nozzle 201, which can facilitate the injection molding of the mold body 1, the upper mold 2 is provided with four ejector pins, which can facilitate the ejection of the plastic product between the upper mold 2 and the lower mold 3.

[0024] The cooling assembly 4 comprises a U-shaped fixing frame 401, the U-shaped fixing frame 401 is arranged on the outer side of the bottom end of the lower mold 3, the U-shaped fixing frame 401 is provided with a through hole, the number of the through hole is two, the two through holes are respectively rotatably connected with a shaft rod one 403 and a shaft rod two 404, the two through holes are respectively connected with a bearing, the outer surface of the shaft rod one 403 and the shaft rod two 404 is respectively matched with the inner ring of the two bearings, which can facilitate the rotation of the shaft rod one 403 and the shaft rod two 404, the shaft rod one 403 and the shaft rod two 404 are connected with a blowing piece 402, the blowing piece 402 comprises a cooling fan 4021 and a frame 4022, the cooling fan 4021 is provided with two, which can ensure the cooling effect of the upper mold 2 and the lower mold 3, the two cooling fans are installed in the frame 4022, the blowing piece 402 is located in the horizontal plane of the connection between the upper mold 2 and the lower mold 3, which can facilitate the cooling of the upper mold 2, the lower mold 3 and the plastic product between the upper mold 2 and the lower mold 3.

[0025] The end of the shaft rod one 403 away from the blowing piece 402 penetrates through the through hole, the end of the shaft rod one 403 away from the blowing piece 402 is matched with a driven bevel gear 4031, the U-shaped fixing frame 401 is provided with a motor 405, the output end of the motor 405 is provided with a driving bevel gear 4051, the driving bevel gear 4051 is engaged with the driven bevel gear 4031.

[0026] When the mold body 1 is used for a long time and the overall temperature is too high, the motor 405 on the U-shaped fixing frame 401 is started, the output end of the motor 405 drives the driving bevel gear 4051, the driving bevel gear 4051 is meshed with the driven bevel gear 4031, the driven bevel gear 4031 drives the shaft rod one 403 to rotate on the U-shaped fixing frame 401, thereby driving the blowing part 402 to rotate, the shaft rod two 404 rotates with the blowing part 402, the blowing part 402 rotates between the shaft rod one 403 and the shaft rod two 404, then the two cooling fans 4021 on the blowing part 402 are started, the airflow generated by the two cooling fans 4021 blows to the mold body 1, and through the rotation of the blowing part 402, the two cooling fans 4021 can fully blow the outer surfaces of the upper mold 2 and the lower mold 3, so that the temperature of the upper mold 2 and the lower mold 3 can be quickly reduced. When the plastic product is demolded, the airflow generated by the two cooling fans 4021 quickly blows to the plastic product, effectively cools the plastic product, speeds up the demolding speed, thereby quickly and effectively cools the upper mold 2 and the lower mold 3, avoids the temperature of the mold body 1 being too high to scald the worker, ensures the safety of the worker operation, and quickly cools the plastic product to be demolded, speeds up the molding speed of the plastic product, reduces the demolding time of the plastic product, and effectively improves the injection molding efficiency of the plastic product.

[0027] The end of the shaft rod two 404 away from the blowing part 402 penetrates through the through hole, and the end of the shaft rod two 404 away from the blowing part 402 is horizontally provided with an oscillating rod 406, one end of the oscillating rod 406 is provided with an arc-shaped sliding block 4061, and the U-shaped fixing frame 401 is provided with an arc-shaped plate 407, the arc-shaped plate 407 is provided with an arc-shaped groove 4071, and the arc-shaped sliding block 4061 is matched with the arc-shaped groove 4071. The rotation amplitude of the blowing part 402 can be limited, and the blowing part 402 can be stably rotated on the U-shaped fixing frame 401.

[0028] During the rotation of the blowing part 402, the rotation of the shaft rod two 404 drives the oscillating rod 406 to rotate on the outer surface, the rotation of the oscillating rod 406 makes the arc-shaped sliding block 4061 slide in the arc-shaped groove 4071, the rotation angle of the blowing part 402 is guided and limited, thereby the rotation amplitude of the blowing part 402 can be limited, the blowing part 402 can be stably rotated, the upper mold 2 and the lower mold 3 can be uniformly blown by the airflow, and the cooling efficiency of the upper mold 2 and the lower mold 3 is improved.

[0029] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A plastic mould structure comprising a mould body (1), characterised in that: The mold body (1) comprises an upper mold (2) and a lower mold (3), and the upper mold (2) is matched with the lower mold (3); Further comprising a cooling assembly (4), the cooling assembly (4) comprises a U-shaped fixing frame (401), the U-shaped fixing frame (401) is arranged outside the bottom end of the lower mold (3), a through hole is formed in the U-shaped fixing frame (401), the number of the through hole is two, a shaft rod one (403) and a shaft rod two (404) are respectively rotationally matched in the two through holes, and the shaft rod one (403) and the shaft rod two (404) are connected with a blowing piece (402) therebetween. One end of the shaft rod one (403) away from the blowing piece (402) penetrates through the through hole, a driven bevel gear (4031) is matched with the one end of the shaft rod one (403) away from the blowing piece (402), a motor (405) is arranged on the U-shaped fixing frame (401), a driving bevel gear (4051) is arranged on the output end of the motor (405), and the driving bevel gear (4051) is meshed with the driven bevel gear (4031).

2. The plastic mold structure of claim 1, wherein The blowing piece (402) comprises a heat dissipation fan (4021) and a frame (4022), the heat dissipation fan (4021) is provided with two, the two heat dissipation fans (4021) are installed in the frame (4022), and the blowing piece (402) is located in the horizontal plane at the connection position of the upper mold (2) and the lower mold (3).

3. The plastic mold structure of claim 2, wherein Bearing is matched in the two through holes, and the outer surfaces of the shaft rod one (403) and the shaft rod two (404) are respectively matched with the inner rings of the two bearings.

4. The plastic mold structure of claim 3, wherein One end of the shaft rod two (404) away from the blowing piece (402) penetrates through the through hole, and a swing rod (406) is horizontally arranged at the one end of the shaft rod two (404) away from the blowing piece (402), and an arc-shaped sliding block (4061) is arranged at one end of the swing rod (406).

5. The plastic mold structure of claim 4, wherein An arc-shaped plate (407) is arranged on the U-shaped fixing frame (401), an arc-shaped groove (4071) is formed in the arc-shaped plate (407), and the arc-shaped sliding block (4061) is matched with the arc-shaped groove (4071).

6. The plastic mold structure of claim 1, wherein An injection nozzle (201) is arranged on the upper mold (2).

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