CN214111118U

CN214111118U - Bottom sealing device of disposable plastic cup

Info

Publication number: CN214111118U
Application number: CN202022891487.0U
Authority: CN
Inventors: 厉志军
Original assignee: Zhejiang Pan'an Zhongzui Appliance Co ltd
Current assignee: Zhejiang Bisheng Technology Co.,Ltd.
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-03
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a bottom sealing device of a disposable plastic cup, which comprises a female die, wherein a cavity is arranged in the female die, the bottom of the cavity is provided with a groove, a forming block is arranged in the groove, the upper end of the forming block extends upwards into the cavity, the lower end surface of the forming block is provided with a mandril, and the mandril extends downwards and is connected with a push plate; the female die is arranged on a fixed plate, and a placing cavity for placing the push plate is arranged in the fixed plate; the lower end of the fixed plate is provided with a push-out mechanism, and the push-out mechanism is used for driving the push plate to move up and down in the placing cavity. The utility model discloses back cover device structural design is novel, convenient to use is swift and be convenient for take out shaping plastic cup of disposable plastic cup.

Description

Bottom sealing device of disposable plastic cup

Technical Field

The utility model relates to a processing technology field of disposable plastic cup, in particular to a back cover device of disposable plastic cup.

Background

The plastic cup refers to a disposable container for containing beverage and tea, belongs to non-degradable products, is a main source of white pollution, and is generally used for providing various plastic cups for beverage shops, milk tea shops, hotels, restaurants, coffee shops and the like and used on site when the disposable plastic cup is used for drinking. The bottom of the plastic cup used in the current market is of a flat bottom structure or a structure with the middle part protruding upwards, the structure with the middle part protruding upwards is usually provided with a protrusion at the bottom of a cavity, the protruding structure of the plastic cup is directly molded during processing, and the structure is inconvenient to take out when the plastic cup is found during molding.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a back cover device of disposable plastic cup of novel in structural design, convenient to use are swift and be convenient for take out shaping plastic cup.

Technical scheme for solving problems

The utility model provides a bottom sealing device of a disposable plastic cup, which comprises a female die, wherein a cavity is arranged in the female die, the bottom of the cavity is provided with a groove, a forming block is arranged in the groove, the upper end of the forming block extends upwards into the cavity, the lower end surface of the forming block is provided with a mandril, and the mandril extends downwards and is connected with a push plate; the female die is arranged on a fixed plate, and a placing cavity for placing the push plate is arranged in the fixed plate; the lower end of the fixed plate is provided with a push-out mechanism, and the push-out mechanism is used for driving the push plate to move up and down in the placing cavity.

Further, the forming block is in clearance fit with the groove.

Furthermore, the pushing mechanism comprises a hydraulic cylinder, a piston rod is connected to the hydraulic cylinder, the other end of the piston rod extends upwards to penetrate through the fixing plate and then is fixedly connected with the push plate, and a fixing seat is arranged on the lower end face of the hydraulic cylinder.

Further, the hydraulic cylinders are two in total.

Furthermore, the outside of fixed plate is equipped with blast apparatus, blast apparatus includes the mount, the upper end of mount is equipped with the air-blower.

Furthermore, the distance of the push plate moving up and down in the placing cavity is greater than the distance between the upper end surface of the forming block and the upper end surface of the fixing plate.

Further, the cavities are fifteen in total.

Advantageous effects

The utility model discloses back cover device structural design is novel, convenient to use is swift and be convenient for take out shaping plastic cup of disposable plastic cup.

Drawings

FIG. 1 is a schematic structural view of the disposable plastic cup of the present invention in a molding state of the bottom sealing device;

FIG. 2 is a schematic structural view of the disposable plastic cup of the present invention in a state of pushing out the bottom sealing device;

fig. 3 is a top view of the female die in the bottom sealing device of the disposable plastic cup of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides a bottom sealing device of disposable plastic cup, it includes die 2, be equipped with die cavity 21 in the die 2, the bottom of die cavity 21 is equipped with recess 211, be equipped with shaping piece 3 in the recess 211, the upper end of shaping piece 3 upwards extends to in the die cavity 21, the distance between the up end of shaping piece 3 and the terminal surface under the die cavity 21 equals the upwards bellied degree of depth in middle part of the plastic cup bottom, the cross section of the upwards bellied shape in middle part of the plastic cup bottom is circular usually, the cross section of shaping piece 3 is also circular in this embodiment, be equipped with ejector pin 4 on the lower terminal surface of shaping piece 3, ejector pin 4 extends downwards and runs through behind die 2 and is connected with push pedal 5, is fixed connection between ejector pin 4 and push pedal 5, shaping piece 3, the mode of fixed connection prefers to select for use threaded structure to connect; the female die 2 is arranged on the fixing plate 1, a placing cavity 11 for placing the push plate 5 is arranged in the fixing plate 1, and the placing cavity 11 is positioned below the female die 2; the lower extreme of fixed plate 1 is equipped with ejecting mechanism, ejecting mechanism is used for the drive push pedal 5 is in place the intracavity 11 and reciprocate, and the benefit of devising into this kind of structure lies in the shaping piece 3 as the formed part during the shaping, through ejecting mechanism drive push pedal 5 rebound after the plastics cup shaping is accomplished, push pedal 5 drives through ejector pin 4 that the formed piece 3 rebound will be good to the outside of die cavity 21.

In order to facilitate the ejection of the forming block, the forming block 3 is in this embodiment in clearance fit with the recess 211.

In order to ensure the stability during pushing, in this embodiment, the pushing mechanism includes a hydraulic cylinder 7, a piston rod 6 is connected to the hydraulic cylinder 7, the other end of the piston rod 6 extends upward to penetrate through the fixed plate 1 and then is fixedly connected with the push plate 5, the fixed connection is preferably connected by a threaded structure, and a fixed seat 8 is arranged on the lower end surface of the hydraulic cylinder 7; furthermore, the number of the hydraulic cylinders 7 is two, and each hydraulic cylinder 7 is provided with a piston rod 6.

In order to facilitate the separation of the molded plastic from the molding block 3, in this embodiment, a blowing device is disposed outside the fixing plate 1, the blowing device includes a fixing frame 9, an upper end of the fixing frame 9 is provided with a blower 10, and an air opening of the blower 10 faces the direction of the upper end surface of the fixing plate 1.

In order to ensure that the molded plastic cup is completely separated from the cavity 21, the distance that the push plate 5 moves up and down in the placing cavity 11 is greater than the distance between the upper end surface of the molding block 3 and the upper end surface of the fixing plate 1 in the embodiment.

In order to increase the processing rate, the number of the cavities 21 is fifteen in the embodiment, one forming block 3 is respectively arranged at the bottom of each cavity 21, and a top rod 4 is respectively connected to the bottom of each forming block 3.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A bottom sealing device of a disposable plastic cup is characterized in that: the die comprises a female die, wherein a cavity is arranged in the female die, a groove is formed in the bottom of the cavity, a forming block is arranged in the groove, the upper end of the forming block extends upwards into the cavity, a top rod is arranged on the lower end face of the forming block, and the top rod extends downwards and is connected with a push plate; the female die is arranged on a fixed plate, and a placing cavity for placing the push plate is arranged in the fixed plate; the lower end of the fixed plate is provided with a push-out mechanism, and the push-out mechanism is used for driving the push plate to move up and down in the placing cavity.

2. The bottom closure assembly for a disposable plastic cup as defined in claim 1, further comprising: the forming block is in clearance fit with the groove.

3. The bottom closure assembly for a disposable plastic cup as defined in claim 1, further comprising: the push-out mechanism comprises a hydraulic cylinder, a piston rod is connected to the hydraulic cylinder, the other end of the piston rod extends upwards to penetrate through the fixed plate and then is fixedly connected with the push plate, and a fixed seat is arranged on the lower end face of the hydraulic cylinder.

4. A bottom closure assembly for a disposable plastic cup as defined in claim 3, further comprising: the hydraulic cylinders are two in total.

5. The bottom closure assembly for a disposable plastic cup as defined in claim 1, further comprising: the outer side of the fixing plate is provided with a blowing device, the blowing device comprises a fixing frame, and the upper end of the fixing frame is provided with an air blower.

6. The bottom closure assembly for a disposable plastic cup as defined in claim 1, further comprising: the distance of the push plate moving up and down in the placing cavity is larger than the distance between the upper end surface of the forming block and the upper end surface of the fixing plate.

7. The bottom closure assembly for a disposable plastic cup as defined in claim 1, further comprising: the number of cavities is fifteen.