CN222290907U

CN222290907U - Injection mold for producing front cover of air purifier

Info

Publication number: CN222290907U
Application number: CN202421082387.5U
Authority: CN
Inventors: 郑亮
Original assignee: Ningbo Dingjie Molding Manufacturing Co ltd
Current assignee: Ningbo Dingjie Molding Manufacturing Co ltd
Priority date: 2024-05-17
Filing date: 2024-05-17
Publication date: 2025-01-03
Anticipated expiration: 2034-05-17

Abstract

The utility model relates to the technical field of production of front covers of air purifiers, and discloses an injection mold for producing the front covers of the air purifiers, which comprises a mold body and a top cover, wherein the top cover is arranged on the upper side of the mold body, an injection molding opening is formed in the top cover, a molding cavity is formed in the top cover, a molding block corresponding to the molding cavity is formed on the mold body, a fixing block and a jacking block are driven to ascend by a driving cylinder, and in the lifting process, a leverage is generated after a lifting rod touches a stop block, so that the jacking block and the jacking rod are pushed upwards by the other end of the lifting rod, the top plate is driven to eject the cooled front cover of the air purifier, and blanking is carried out, so that the problem of part blocking in the mold is effectively solved, the problem of part blocking in the mold is solved, the working efficiency and the product quality are improved, and meanwhile, the setting of a limiting plate and a limiting rod ensures the accuracy and the stress balance of a jacking mold assembly.

Description

Injection mold for producing front cover of air purifier

Technical Field

The utility model relates to the technical field of production of front covers of air purifiers, in particular to an injection mold for producing the front covers of the air purifiers.

Background

The front cover of the air cleaner is a housing for protecting the filter device and the electronic components inside. The main function of the novel water purifier is to prevent dust, foreign matters, water drops and the like from entering the purifier, and simultaneously, the novel water purifier also has an attractive effect.

The production of air purifier front covers typically requires the use of injection molds. An injection mold is a tool for the production of plastic articles that is capable of injecting molten plastic material into the mold and forming the desired product shape after cooling.

The general procedure for producing an air cleaner front cover for an injection mold is to feed prepared plastic pellets into a hopper of an injection molding machine, melt the plastic by heating and rotation of a screw, and inject the plastic into a cavity of the mold. The cooling system in the mold enables the plastic to be rapidly cooled and molded, and then the cavity of the mold is opened, so that the solid air purifier front cover is obtained.

Because the requirements on the appearance and the details of the front cover of the air purifier are higher, part or all parts of the die can be clamped in the die cavity after the injection molding is finished, so that the difficulty in die stripping is increased, the working efficiency is possibly reduced, the existing requirements are not met, and the injection mold for producing the front cover of the air purifier is provided.

Disclosure of utility model

The utility model provides an injection mold for producing an air purifier front cover, which is capable of effectively solving the problem of part blocking in the mold, improving the working efficiency and the product quality, ensuring the accuracy and the stress balance beneficial effect of a top mold assembly by arranging a limiting plate and a limiting rod, and solving the problem that the working efficiency is reduced because the appearance and the detail of the air purifier front cover are required to be higher in the prior art, and part or all of parts can be blocked in a mold cavity after the injection molding is finished, so that the difficulty is increased during the mold stripping.

The utility model provides the technical scheme that the injection mold for producing the front cover of the air purifier comprises a mold body and a top cover, wherein the top cover is arranged on the upper side of the mold body, an injection molding opening is formed in the top cover, a molding cavity is formed in the top cover, the injection molding opening is communicated with the molding cavity, a molding block corresponding to the molding cavity is formed in the mold body, a cavity is formed in the mold body, and a top mold assembly is arranged in the cavity.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the top mold assembly comprises a driving cylinder inserted in the cavity, a fixed block is arranged at the output end of the driving cylinder, a top block is arranged on the fixed block, a top rod is arranged on the top block, slots corresponding to the top rod are formed in the mold body and the forming block, the top rod is inserted in the slots, and a lifting frame for pushing the top block is arranged between the top block and the fixed block.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the utility model is characterized in that the fixed block is provided with the limiting plates for limiting the lifting frame, the limiting plates are arranged on two sides of the lifting frame, the lifting frame is internally provided with the limiting rods, the limiting plates are internally provided with the limiting grooves, and two ends of the limiting rods are inserted into the limiting grooves.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, a stop block is arranged in the cavity, the stop block is fixedly arranged on the inner wall of the cavity, and the stop block is positioned on the upper side of the lifting frame.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the utility model is characterized in that a buffer rod is arranged on the fixed block, a buffer spring is sleeved outside the buffer rod, one end of the buffer spring is connected with the bottom of the top block, the other end of the buffer spring is connected with the top of the fixed block, and the buffer rod and the buffer spring are both positioned at the side part of the lifting frame.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the cross section of the lifting frame is L, grooves are formed in the two ends of the lifting frame, rotating wheels are arranged in the grooves, rotating rods are inserted into the rotating wheels and the lifting frame, fixing plates are arranged at the two ends of the rotating rods and are arranged at the two ends of the rotating rods, the fixing plates are circular plates, the fixing plates are positioned at the outer sides of the lifting frame, damping rings are arranged outside the rotating wheels, and the damping rings are rubber rings.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the injection mold is characterized in that a top plate is arranged on the forming block, the bottom of the top plate is fixedly arranged on the top end of the ejector rod, the top plate corresponds to the forming block, and an anti-sticking coating is arranged on the surface of the top plate.

As an alternative scheme of the injection mold for producing the front cover of the air purifier, the utility model is characterized in that a base is arranged at the bottom of the mold body, the base corresponds to the top cover, hydraulic rods for controlling the top cover are arranged on the base, and the hydraulic rods are distributed outside the mold body in a rectangular array.

The utility model has the following beneficial effects:

1. This injection mold is used in air purifier protecgulum production rises through actuating cylinder drive fixed block and kicking block, can produce a leverage after the dog is touched to the lifting rod in-process of lifting for the other end of lifting rod upwards promotes kicking block and ejector pin, thereby it is ejecting to drive the air purifier protecgulum that the roof will be cooled off and carry out the unloading, make effectively solve the dead problem of part card in the mould, solved the dead problem of part card in the mould, and improved work efficiency and product quality, the accuracy and the atress equilibrium of the roof module have been ensured in the setting of limiting plate and gag lever post simultaneously.

2. This injection mold is used in air purifier protecgulum production installs the buffer rod on through the fixed block, and the buffer rod overcoat is equipped with buffer spring for when the lifting of top mould subassembly, buffer spring can absorb impact and the pressure that the lifting in-process produced, reduces the damage risk of part or mould, and the effect of buffer rod is supporting and fixed buffer spring, ensures its normal work.

Drawings

Fig. 1 is a schematic perspective view of a main body of the present utility model.

Fig. 2 is a schematic view of a cut-away structure of a main body of the present utility model.

Fig. 3 is a schematic view of a cut-away structure of a die body according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

FIG. 5 is a schematic view of the present utility model in partial cutaway.

100 Parts of a die body, 110 parts of a forming cavity, 120 parts of a base, 121 parts of a hydraulic rod, 200 parts of a top cover, 210 parts of a forming block, 220 parts of a cavity, 221 parts of a stop block, 300 parts of a top die assembly, 310 parts of a driving cylinder, 320 parts of a fixing block, 321 parts of a buffer rod, 322 parts of a buffer spring, 330 parts of a top block, 340 parts of a top rod, 350 parts of a slot, 360 parts of a lifting frame, 361 parts of a limiting rod, 362 parts of a slot, 363 parts of a rotating wheel, 364 parts of a rotating rod, 365 parts of a fixing plate, 366 parts of a damping ring, 370 parts of a limiting plate, 371 parts of a limiting groove, 380 parts of a top plate, 381 parts of an anti-sticking coating.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In a first embodiment, the present embodiment is intended to facilitate solving the problem that the working efficiency is reduced because part or all of the parts of the mold may be blocked in the cavity after the injection molding is completed, resulting in increased difficulty in demolding, and referring to fig. 1-5, an injection mold for producing an air cleaner front cover includes a mold body 100 and a top cover 200, the top cover 200 is disposed on the upper side of the mold body 100, an injection molding opening is formed in the top cover 200, a molding cavity 110 is formed in the top cover 200, the injection molding opening is communicated with the molding cavity 110, a molding block 210 corresponding to the molding cavity 110 is formed in the mold body 100, a cavity 220 is formed in the mold body 100, and a top mold assembly 300 is disposed in the cavity 220 to inject molten plastic into the injection molding opening of the top cover 200 and into the mold body 100 through the communicated molding cavity 110. The provision of the molding blocks 210 ensures that the plastic fills the molding cavity 110 sufficiently during the injection molding process and meets the desired shape and detail requirements.

The top die assembly 300 comprises a driving air cylinder 310 inserted in the cavity 220, a fixed block 320 is installed at the output end of the driving air cylinder 310, a top block 330 is installed on the fixed block 320, a top rod 340 is installed on the top block 330, slots 350 corresponding to the top rod 340 are respectively formed in the die body 100 and the forming block 210, the top rod 340 is inserted in the slots 350, and a lifting frame 360 for pushing the top block 330 is arranged between the top block 330 and the fixed block 320. By the movement of the driving cylinder 310, the driving force is transmitted to the top block 330 through the fixing block 320, thereby moving the top block 330 in the axial direction of the push rod 340. The ejector pins 340 maintain the stable positions of the ejector pins 340 by being inserted into the insertion grooves 350 in the mold body 100 and the molding block 210. The top block 330 is pushed by the lifting frame 360, and the lifting motion of the top mold assembly 300 is achieved. By operating the driving cylinder 310, the top mold assembly 300 can be moved up and down as needed, thereby achieving ejection of the parts in the injection mold.

The limiting plates 370 for limiting the lifting frame 360 are arranged on the fixing blocks 320, the limiting plates 370 are arranged on two sides of the lifting frame 360, limiting rods 361 are arranged in the lifting frame 360, limiting grooves 371 are formed in the limiting plates 370, and two ends of each limiting rod 361 are inserted into the corresponding limiting grooves 371. The block 221 is installed in the cavity 220, the block 221 is fixedly installed on the inner wall of the cavity 220, and the block 221 is located on the upper side of the lifting frame 360. Ensuring accurate positioning of the top mold assembly 300 during lifting and preventing the occurrence of overstretching and uneven stress. The positioning of the stop plate 370 and stop lever 361 ensures the accuracy and stress balance of the top die assembly 300, and ensures the stability and reliability of operation.

In the embodiment, the fixed block 320 and the ejector block 330 are driven to ascend by the driving cylinder 310, and in the process of lifting, a leverage is generated after the lifting rod touches the stop block 221, so that the other end of the lifting rod pushes the ejector block 330 and the ejector rod 340 upwards, the top plate 380 is driven to eject the cooled front cover of the air purifier, and blanking is carried out, so that the problem of locking of parts in a die is effectively solved, the problem of locking of parts in the die is solved, the working efficiency and the product quality are improved, and meanwhile, the accuracy and the stress balance of the top die assembly 300 are ensured by the limiting plate 370 and the limiting rod 361.

In a second embodiment, the present embodiment is intended to facilitate solving the problems of reducing the service life and the use effect of the mold by solving the problems that fatigue of the internal parts of the mold may be caused by long-time use and wear, and damage such as cracks and breakage may occur to the parts or components, and the present embodiment is an improvement based on the first embodiment, and particularly, refer to fig. 1 to 5.

Install buffer rod 321 on the fixed block 320, buffer rod 321 overcoat is equipped with buffer spring 322, and buffer spring 322 one end is connected with kicking block 330 bottom, and the buffer spring 322 other end is connected with fixed block 320 top, and buffer rod 321 and buffer spring 322 all are located 360 lateral parts of lifting frame. Can play a role in buffering and absorbing energy. When the top mold assembly 300 is lifted, the buffer spring 322 absorbs impact and pressure generated during the lifting process, reducing the risk of damage to the parts or molds. The buffer rod 321 functions to support and fix the buffer spring 322, ensuring its normal operation.

The lifting frame 360 is provided with an L-shaped cross section, so that more stable support and inclination prevention can be provided, and the stability and balance of the lifting frame 360 are improved. Grooves 362 are formed in the two ends of the lifting frame 360, rotating wheels 363 are arranged in the grooves 362, rotating rods 364 are inserted in the rotating wheels 363 and the lifting frame 360, better movement and rotation effects can be provided, and friction and abrasion of the lifting frame 360 are reduced. The fixed plate 365 is installed at the bull stick 364 both ends, and fixed plate 365 sets up to the plectane, and fixed plate 365 is located the lifting frame 360 outside, and the runner 363 is provided with damping ring 366 outward, and damping ring 366 sets up to the rubber ring. The damping ring 366 functions to provide a damping effect that slows the speed and impact of the lifting frame 360, reducing the risk of wear and damage.

Top plate 380 is mounted on the forming block 210, bottom of top plate 380 is fixedly mounted with top end of ejector rod 340, top plate 380 corresponds to forming block 210, and anti-sticking coating 381 is arranged on surface of top plate 380. This reduces the adhesion and friction during the molding process, extends the service life of the mold and improves the quality of the finished product.

The bottom of the die body 100 is provided with a base 120, the base 120 corresponds to the top cover 200, the base 120 is provided with hydraulic rods 121 for controlling the top cover 200, and the hydraulic rods 121 are distributed outside the die body 100 in a rectangular array. Such a design may provide better control and stability, ensuring proper movement and operation of the top cover 200.

In the embodiment, the buffer rod 321 is arranged on the fixing block 320, and the buffer spring 322 is sleeved outside the buffer rod 321, so that when the top die assembly 300 is lifted, the buffer spring 322 can absorb impact and pressure generated in the lifting process, the damage risk of parts or dies is reduced, and the buffer rod 321 is used for supporting and fixing the buffer spring 322 to ensure the normal operation of the buffer spring 322.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The injection mold for producing the front cover of the air purifier comprises a mold body (100) and a top cover (200) and is characterized in that the top cover (200) is arranged on the upper side of the mold body (100), an injection molding opening is formed in the top cover (200), a molding cavity (110) is formed in the top cover (200), the injection molding opening is communicated with the molding cavity (110), a molding block (210) corresponding to the molding cavity (110) is formed in the mold body (100), a cavity (220) is formed in the mold body (100), and a top mold assembly (300) is arranged in the cavity (220).

2. The injection mold for producing the front cover of the air purifier, as set forth in claim 1, wherein the top mold assembly (300) comprises a driving cylinder (310) inserted into the cavity (220), a fixed block (320) is installed at an output end of the driving cylinder (310), a top block (330) is installed on the fixed block (320), a top rod (340) is installed on the top block (330), slots (350) corresponding to the top rod (340) are respectively provided in the mold body (100) and the molding block (210), the top rod (340) is inserted into the slots (350), and a lifting frame (360) for pushing the top block (330) is arranged between the top block (330) and the fixed block (320).

3. The injection mold for producing the front cover of the air purifier as claimed in claim 2, wherein the fixing block (320) is provided with a limiting plate (370) for limiting the lifting frame (360), the limiting plate (370) is arranged on two sides of the lifting frame (360), the lifting frame (360) is internally provided with a limiting rod (361), the limiting plate (370) is internally provided with a limiting groove (371), and two ends of the limiting rod (361) are inserted into the limiting groove (371).

4. The injection mold for producing the front cover of the air purifier, as set forth in claim 2, characterized in that a stop block (221) is installed in the cavity (220), the stop block (221) is fixedly installed on the inner wall of the cavity (220), and the stop block (221) is located on the upper side of the lifting frame (360).

5. The injection mold for producing the front cover of the air purifier, as set forth in claim 2, characterized in that the fixing block (320) is provided with a buffer rod, the buffer rod (321) is sleeved with a buffer spring (322), one end of the buffer spring (322) is connected with the bottom of the top block (330), the other end of the buffer spring (322) is connected with the top of the fixing block (320), and the buffer rod (321) and the buffer spring (322) are both located at the side of the lifting frame (360).

6. The injection mold for producing the front cover of the air purifier, as set forth in claim 2, is characterized in that the cross section of the lifting frame (360) is L, grooves (362) are formed in two ends of the lifting frame (360), rotating wheels (363) are arranged in the surfaces of the grooves (362), rotating rods (364) are inserted in the rotating wheels (363) and the lifting frame (360), fixing plates (365) are arranged at two ends of the rotating rods (364), the fixing plates (365) are circular plates, the fixing plates (365) are located on the outer sides of the lifting frame (360), damping rings (366) are arranged outside the rotating wheels (363), and the damping rings (366) are rubber rings.

7. The injection mold for producing the front cover of the air purifier, as set forth in claim 2, characterized in that a top plate (380) is installed on the molding block (210), the bottom of the top plate (380) is fixedly installed at the top end of the ejector rod (340), the top plate (380) corresponds to the molding block (210), and an anti-sticking coating (381) is provided on the surface of the top plate (380).

8. The injection mold for producing the front cover of the air purifier, as set forth in claim 1, characterized in that a base (120) is installed at the bottom of the mold body (100), the base (120) corresponds to the top cover (200), hydraulic rods (121) for controlling the top cover (200) are installed on the base (120), and the hydraulic rods (121) are distributed outside the mold body (100) in a rectangular array.