CN223532898U - Self-clamping forming equipment for mixed insulator - Google Patents

Abstract

This utility model provides a self-clamping molding device for hybrid insulators, relating to the field of injection molding technology. It includes a mold and a right-angle injection system connected to the top of the mold, a hydraulic locking mechanism for driving the mold's positioning and movement, and an embedded hydraulic locking mechanism for adjusting the mold's locking force. The mold includes an upper mold base, a runner plate, an upper mold, a lower mold, a heating plate, and a lower mold base. The right-angle injection system includes an injection unit and a support frame. The injection unit consists of a feeding mechanism, a plasticizing mechanism, and an injection mechanism. The feeding mechanism feeds material to the plasticizing mechanism for plasticization. After plasticization, the material enters the injection mechanism, which injects the plasticized material into the runner plate. The plasticized material is then distributed into four runner pipes and enters the mold cavity to complete the injection process. This achieves automated molding and avoids the problem of complex production operations.

Description

Self-clamping forming equipment for mixed insulator

Technical Field

The utility model relates to the technical field of injection molding, in particular to self-clamping molding equipment for a hybrid insulator.

Background

Injection molding is a widely used plastic processing method in which molten plastic is injected into a mold by an injection machine, and the molten plastic is cooled and solidified to obtain a desired product. The injection molding has the advantages of high production efficiency, low cost, strong adaptability and the like, and is widely applied to a plurality of fields such as automobiles, electronics, medical treatment, household appliances and the like. In injection molding processes, the mold-locking system plays a critical role. The movable die and the fixed die of the die are tightly locked, so that molten plastic is ensured not to overflow from a die gap under high pressure, and the quality and the precision of products are ensured. Meanwhile, the mold locking system also needs to have quick and accurate opening and closing capability so as to adapt to the high-efficiency production rhythm of the injection machine. In the early injection machine mode locking system, a mechanical mode locking mechanism is adopted, and locking and unlocking of a die are realized through mechanical parts such as a lever, a connecting rod and the like. With the development of hydraulic technology, the hydraulic mode locking mechanism gradually replaces the mechanical mode locking mechanism, and becomes the main stream of the injection machine mode locking system.

The utility model patent of China, which is granted by CN220883172U, provides a vertical clamping double-lower-die cladding molding die for a hybrid insulator, which comprises an upper die, a first lower die and a second lower die which are identical in structure, wherein the upper die is respectively matched with the first lower die and the second lower die to form a molding cavity of the hybrid insulator, the upper die comprises an upper die base, the upper die base is provided with a positioning plate, the upper die base is provided with at least one shovel base, the upper die base is provided with a runner plate, the first lower die comprises a first lower die base, a core is arranged in the center of the first lower die base, a side sliding block is arranged on the first lower die, a sliding mechanism is arranged between the side sliding block and the first lower die, and the automatic production of the hybrid insulator, the hybrid pillar and other high-voltage ceramic products can be realized through the interactive matching molding procedure of the vertical clamping double lower die and the upper die, the hybrid pillar and other high-voltage ceramic products are matched with the robot in feeding and discharging procedures, and the production efficiency of the products is greatly improved.

However, the above patent provides a vertical clamping double lower mold overmolding mold for a hybrid insulator, which has the problems of complex production operation and insufficient automation during mass production, so that a solution is needed to improve the problem.

Disclosure of utility model

The utility model aims to provide a vertical clamping double-lower-die cladding forming die for a hybrid insulator, which can realize the aim of automatic forming and avoid the problem of complex production operation.

The utility model provides a vertical clamping double-lower-die cladding forming die for a hybrid insulator, which comprises a die, a right-angle injection system connected with the top of the die, a hydraulic die locking mechanism for driving the die to move in a positioning way, and an embedded hydraulic locking mechanism for adjusting the locking force of the die. And feeding the material to a plasticizing mechanism for plasticizing, feeding the plasticized material into an injection mechanism after plasticizing, and feeding the plasticized material into a mold cavity after the injection mechanism injects the plasticized material into a runner plate, so as to complete the injection process after the plasticized material is shunted into four runner pipes.

By adopting the technical scheme, in the die assembly forming process, the plasticizing mechanism can be used for feeding materials, plasticizing treatment is carried out on the materials through the plasticizing mechanism, the plasticized materials are led into the upper die holder through the injection mechanism and then are distributed to the die cavity, and injection is completed, so that the materials can be automatically fed, plasticized and formed.

Optionally, the hydraulic mode locking mechanism includes pneumatic cylinder, green column and many four sides distributed connecting rod, the hydraulic mode locking mechanism locates the injection position under, the connecting rod cup joints on the die holder, by pneumatic cylinder driving force promotion die holder in the mould, thereby drive die holder top fixed mounting's lower mould vertical upward movement reaches the compound die position and accomplishes the compound die.

By adopting the technical scheme, the through hole which is matched with the connecting rod is formed in the lower die holder, and the hydraulic cylinder drives the lower die holder to move along the direction of the connecting rod, so that the lifting stability can be ensured.

Optionally, embedded hydraulic locking mechanism includes vertical square little pneumatic cylinder, piston ejector pin, oil pipe, spacing, oil tank and pressure sensor, embedded hydraulic locking mechanism locates in the die holder in the mould, works as after hydraulic pressure mode locking mechanism accomplishes the compound mode process, the die holder in the mould together with embedded hydraulic locking mechanism reaches the compound mode position, vertical square little pneumatic cylinder in the embedded hydraulic locking mechanism provides driving force and promotes the vertical upward motion of piston ejector pin, provides hydraulic locking force for the insulator in the mould die cavity to in the injection process through pressure sensor in the embedded hydraulic locking mechanism feeds back hydraulic locking force in real time, thereby the locking force of real-time regulation little pneumatic cylinder is adjusted through the electrical signal feedback simultaneously, realizes the self-adaptation locking function of insulator in the injection molding process.

By adopting the technical scheme, the insulator is locked in the die cavity by providing the vertical upward locking force through the small hydraulic cylinder embedded in the lower die holder, the change of the locking force during injection is fed back in real time by the pressure sensor fixed on the piston of the small hydraulic cylinder, and meanwhile, the locking force of the small hydraulic cylinder is adjusted in real time by feeding back and adjusting the opening of the oil port of the hydraulic servo valve through an electric signal, so that the self-adaptive locking function of the insulator in the injection molding process is realized.

Optionally, a prescription groove is formed in the center of the lower die holder, the size of the square groove depends on the size of the vertical square small hydraulic cylinder, and the square groove is used for installing and placing the vertical square small hydraulic cylinder.

By adopting the technical scheme, the hydraulic cylinder can be stably fixed in the square groove, so that the hydraulic cylinder is prevented from shifting when the lower die holder is driven to move, and the stability of the lifting movement of the lower die holder is prevented from being influenced.

Optionally, a circular through hole is machined in the center of the lower die in the die, and the circular through hole is machined so that the small hydraulic cylinder piston ejector rod can pass through the lower die to contact with an insulator in the die cavity, and the size of the circular through hole depends on the size of the small hydraulic cylinder piston ejector rod.

By adopting the technical scheme, after the molding is finished, the molded insulator can be ejected out through the piston ejector rod, so that the material taking mode can be more automatic.

Optionally, a piston ejector rod in the embedded hydraulic locking system is in fit connection with the vertical square small hydraulic cylinder through threads, and the length of the piston ejector rod depends on the height dimension of the lower die and the heating plate.

By adopting the technical scheme, the piston ejector rod can be quickly fixed on the hydraulic cylinder, so that the damaged piston ejector rod can be quickly replaced.

Optionally, the pressure sensor in the embedded hydraulic locking system is fixed on the upper surface of the piston ejector rod through threaded connection on the piston ejector rod, so that the pressure sensor on the piston ejector rod is in normal contact with the insulator to measure accurate hydraulic locking force.

By adopting the technical scheme, the accurate hydraulic locking force of the insulator can be measured through the pressure sensor on the piston ejector rod, so that the hydraulic locking force in the forming process can be controlled to ensure the strength of the structural forming mechanism in the insulator.

Optionally, an oil pipe groove is formed on one side of the square groove in the center of the lower die holder and is used for conveniently connecting the oil tank and an oil path of the small hydraulic cylinder embedded in the lower die holder.

By adopting the technical scheme, the hydraulic cylinder can be filed in the lower die holder through the oil pipe groove, so that the hydraulic cylinder of the lower die holder can be continuously powered.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a self-clamping forming device for a hybrid insulator.

Fig. 2 is a schematic structural diagram of a right-angle injection system of a self-clamping molding device for a hybrid insulator.

Fig. 3 is a schematic structural diagram of a piston ejector rod of a self-clamping forming device for a hybrid insulator.

Fig. 4 is a partial cross-sectional view of a piston ejector rod of a self-clamping molding device for a hybrid insulator.

The reference numerals are 11, an upper die holder, 12, a runner plate, 13, an upper die, 14, a lower die, 15, a heating plate, 16, a lower die holder, 21, a feeding mechanism, 22, a plasticizing mechanism, 23, an injection mechanism, 24, a support frame, 31, a hydraulic cylinder, 32, a hydraulic cylinder base, 33, a green column, 4, an embedded hydraulic locking mechanism, 41, a vertical square small hydraulic cylinder, 42, a piston ejector rod, 43, an oil pipe, 44, a limiting frame, 45, an oil tank, 46 and a pressure sensor;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are 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. Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. As used herein, the word "comprising" and the like means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof without precluding other elements or items.

The embodiment of the utility model provides a right-angle injection system comprising a die, a hydraulic die locking mechanism for driving the die to move in a positioning way, and an embedded hydraulic die locking mechanism 4 for adjusting the die locking force, wherein the die comprises an upper die 13 seat 11, a runner plate 12, an upper die 13, a lower die 14, a heating plate 15 and a lower die 14 seat, the right-angle injection system comprises a feeding mechanism 21, a plasticizing mechanism 22, an injection mechanism 23, a supporting frame 24 and the like, the injection unit comprises the feeding mechanism 21, the plasticizing mechanism 22 and the injection mechanism 23, and the feeding mechanism 21 is used for feeding materials. The plastic material is fed to a plasticizing mechanism 22 for plasticizing, the plastic material enters an injection mechanism 23 after being plasticized, the injection mechanism 23 injects the plastic material into the runner plate 12, and the plastic material is shunted to four runner pipes and enters a mold cavity to complete the injection process.

Referring to FIG. 1, a material injection unit is arranged on one side of a runner plate 12, the material injection unit comprises an injection mechanism 23 which is communicated with the right side of the runner plate 12, a supporting frame 24 is arranged below the right side of the injection mechanism 23 of a plasticizing mechanism 22, a feeding mechanism 21 is arranged between the plasticizing mechanism 22 and the supporting frame 24, the feeding mechanism 21 is communicated with the plasticizing mechanism 22 and fixed on the supporting frame 24, a feeding port is formed in the feeding mechanism 21, raw materials can be added into the feeding mechanism 21 through the feeding port to complete feeding operation of the feeding mechanism 21, a screw is arranged in the plasticizing mechanism 22, the plasticized materials are conveyed into the injection mechanism 23 through the screw to complete feeding operation of the plasticized materials, a micro motor is arranged in the plasticizing mechanism 22, so that the screw can be driven to rotate, four nozzles are arranged at the bottom of the runner plate 12, the feeding mechanism 21 pushes the raw materials into the plasticizing mechanism 22, the motor in the plasticizing mechanism 22 drives the internal screw to rotate, the plasticized materials are conveyed into the injection mechanism 23, the injection mechanism is injected into the runner plate 12, and the four nozzles are shunted to be fed into a die cavity 11, and finally the injection die cavity is formed by the injection plate 11.

In some embodiments, the hydraulic mold locking mechanism includes a hydraulic cylinder 31, a green column 33 and a plurality of four-side distributed connecting rods, the hydraulic mold locking mechanism is disposed right below the injection working position, the connecting rods are sleeved on the lower mold 14 seat, and the lower mold 14 seat in the mold is pushed by the driving force of the hydraulic cylinder 31, so that the lower mold 14 fixedly installed above the lower mold 14 seat is driven to vertically move upwards to reach the mold closing position to complete mold closing.

In fact, the base is installed at the bottom of the lower die 14 seat, the hydraulic cylinder 31 is installed at the bottom of the base, four green columns 33 are arranged on the upper portion of the base, the four green columns 33 are arranged on the base in a rectangular distribution mode, the upper die 13 seat 11 is installed at the uppermost side of the four green columns 33, the four green columns 33 penetrate through the lower die 14 seat, and the hydraulic rod drives the lower die 14 seat to ascend and descend along the four green columns 33 in the vertical direction, so that the die closing and opening processes of the upper die 13 seat 11 and the lower die 14 seat are achieved.

Optionally, the embedded hydraulic locking mechanism 4 includes a vertical square small hydraulic cylinder 4131, a piston rod 42, an oil pipe 43, a limit frame 44, an oil tank 45 and a pressure sensor 46, the embedded hydraulic locking mechanism 4 is arranged in a lower die 14 seat in the die, after the hydraulic die locking mechanism completes the die assembly process, the lower die 14 seat in the die and the embedded hydraulic locking mechanism 4 together reach the die assembly position, the vertical square small hydraulic cylinder 31 in the embedded hydraulic locking mechanism 4 provides driving force to push the piston rod 42 to vertically move upwards, hydraulic locking force is provided for an insulator in a die cavity, and the hydraulic locking force is fed back in real time through the pressure sensor 46 in the embedded hydraulic locking mechanism 4, and meanwhile, the locking force of the small hydraulic cylinder 31 is adjusted in real time through electric signal feedback to adjust a hydraulic servo valve, so that the self-adaptive locking function of the insulator in the injection molding process is realized.

In practice, the small hydraulic cylinder 31 embedded in the lower die 14 seat provides a locking force vertically upwards to lock the insulator in the die cavity, the pressure sensor 46 fixed on the piston of the small hydraulic cylinder 31 feeds back the change of the locking force during injection in real time, and meanwhile, the opening degree of the oil port of the hydraulic servo valve is adjusted through electric signal feedback so as to adjust the locking force of the small hydraulic cylinder 31 in real time, thereby realizing the self-adaptive locking function of the insulator in the injection molding process.

In some embodiments, a prescription slot is formed in the center of the lower die 14, and the size of the prescription slot depends on the size of the vertical square small hydraulic cylinder 4131, and the square slot is used for installing and placing the vertical square small hydraulic cylinder 31.

In fact, the hydraulic cylinder 31 can be stably fixed in the square groove, so that the hydraulic cylinder 31 is prevented from shifting when the hydraulic cylinder 31 drives the lower die 14 seat to move, and the stability of lifting and moving of the lower die 14 seat is prevented from being affected.

In some embodiments, a circular through hole is formed in the center of the lower die 14 in the die, and the size of the circular through hole is determined by the size of the piston rod 42 of the small hydraulic cylinder 31 in order to enable the piston rod 42 of the small hydraulic cylinder 31 to pass through the lower die 14 and contact the insulator in the die cavity.

In fact, the vertical square hydraulic cylinder 31 provides driving force to push the piston ejector rod 42 to vertically move upwards, hydraulic locking force is provided for the insulator-type embryo placed in the forming die, the hydraulic locking pressure is fed back in real time through the pressure sensor 46 in the injection forming process, meanwhile, the hydraulic servo valve is adjusted through electric signal feedback, and accordingly the locking force of the vertical square hydraulic cylinder 31 is adjusted in real time, and the self-adaptive locking function of the insulator-type embryo in the injection forming process is achieved.

In some embodiments, the piston rod 42 in the in-line hydraulic locking system is connected with the vertical square small hydraulic cylinder 4131 in a matching manner through threads, and the length of the piston rod 42 depends on the height dimensions of the lower die 14 and the heating plate 15.

In practice, the piston rod 42 can be quickly fixed to the hydraulic cylinder 31, facilitating quick replacement of the damaged piston rod 42.

In some embodiments, the pressure sensor 46 in the in-line hydraulic locking system is fixed on the upper surface of the piston rod 42 through a threaded connection on the piston rod 42, so that the pressure sensor 46 on the piston rod 42 is in normal contact with an insulator to measure an accurate hydraulic locking force.

In practice, the accurate hydraulic locking force of the insulator can be measured by the pressure sensor 46 on the piston ejector rod 42, so that the hydraulic locking force in the forming can be controlled to ensure the strength of the structural forming mechanism in the insulator.

In some embodiments, one side of the square groove in the center of the lower die 14 seat is provided with an oil pipe 43 groove for conveniently connecting the oil tank 45 and the oil path of the small hydraulic cylinder 31 embedded in the lower die 14 seat.

In practice, the grooves can be filed in the lower die 14 seat through the oil pipe 43, so that the hydraulic cylinder 31 of the lower die 14 seat can be continuously powered.

While embodiments of the present utility model have been described in detail hereinabove, it will be apparent to those skilled in the art that various modifications and variations can be made to these embodiments. It is to be understood that such modifications and variations are within the scope and spirit of the present utility model as set forth in the following claims. Moreover, the utility model described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims (9)

1. The utility model provides a mixed insulator self-clamping former, its characterized in that includes mould and the right angle injection system who connects the mould top, the hydraulic pressure mode locking mechanism of drive mould location removal, the embedded hydraulic pressure locking mechanism of regulation mould locking force, the mould includes upper die base, runner board, upper die, lower mould, hot plate and die holder, the right angle injection system includes injection unit and support frame, and injection unit comprises charging mechanism, plasticizing mechanism, injection mechanism, and charging mechanism carries out the plasticization with the material, and the material enters injection mechanism after the plasticization, and injection mechanism enters into the runner board after with plasticization material injection, and the injection process is accomplished to four runner pipes back entering mould cavity behind the plasticization material reposition of redundant personnel.

2. The self-clamping molding equipment for the mixed insulator according to claim 1, wherein the hydraulic mold locking mechanism comprises a hydraulic cylinder, a Grignard column and a plurality of four-side distributed connecting rods, the hydraulic mold locking mechanism is arranged right below an injection working position, the connecting rods are sleeved on a lower mold base, and the lower mold base in the mold is pushed by the driving force of the hydraulic cylinder, so that the lower mold fixedly installed above the lower mold base is driven to vertically move upwards to reach a mold closing position to complete mold closing.

3. The self-clamping molding equipment of the hybrid insulator according to claim 2, wherein the embedded hydraulic locking mechanism comprises a vertical square small hydraulic cylinder, a piston ejector rod, an oil pipe, a limiting frame, an oil tank and a pressure sensor, the embedded hydraulic locking mechanism is arranged in a lower die holder in the die, when the hydraulic die locking mechanism completes a die closing process, the lower die holder in the die and the embedded hydraulic locking mechanism together reach a die closing position, the vertical square small hydraulic cylinder in the embedded hydraulic locking mechanism provides driving force to push the piston ejector rod to vertically move upwards to provide hydraulic locking force for the insulator in a die cavity, the hydraulic locking force is fed back in real time through the pressure sensor in the embedded hydraulic locking mechanism, and meanwhile, the locking force of the small hydraulic cylinder is adjusted in real time through electric signal feedback to adjust a hydraulic servo valve, so that the self-adaptive locking function of the insulator in the injection molding process is realized.

4. The self-clamping forming device for the hybrid insulator according to claim 3, wherein a prescription groove is formed in the center of the lower die holder, the size of the prescription groove depends on the size of the vertical square small hydraulic cylinder, and the square groove is used for installing and placing the vertical square small hydraulic cylinder.

5. The apparatus of claim 4, wherein a circular through hole is formed in the center of the lower die in the die, and the circular through hole is formed so that the small cylinder piston rod can pass through the lower die to contact with the insulator in the die cavity, and the size of the circular through hole is determined by the size of the small cylinder piston rod.

6. The self-clamping forming device for the hybrid insulator according to claim 3, wherein the vertical square small hydraulic cylinder in the embedded hydraulic locking system is installed and fixed in a threaded fit manner through a threaded hole in the bottom of the square groove in the center of the lower die holder.

7. The self-clamping molding device for the hybrid insulator according to claim 6, wherein a piston ejector rod in the embedded hydraulic locking system is in matched connection with the vertical square small hydraulic cylinder through threads, and the length of the piston ejector rod depends on the height dimension of the lower die and the heating plate.

8. The self-clamping molding device of the hybrid insulator according to claim 7, wherein the pressure sensor in the embedded hydraulic locking system is fixed on the upper surface of the piston ejector rod through threaded connection on the piston ejector rod, so that the pressure sensor on the piston ejector rod is in normal contact with the insulator to measure accurate hydraulic locking force.

9. The self-clamping molding device of the mixed insulator according to claim 8, wherein an oil pipe groove is formed on one side of a square groove in the center of the lower die holder, and is used for conveniently connecting the oil tank and an oil path of the small hydraulic cylinder embedded in the lower die holder.