CN220448247U - Sealing bag vacuumizing and sealing mechanism - Google Patents

Abstract

The utility model discloses a sealing bag vacuumizing and sealing mechanism, which comprises a bracket and a sealing unit; an electric push rod is arranged in the upper surface mounting opening of the bracket, a lifting plate is arranged at the lower end of the telescopic end of the electric push rod, trapezoid blocks which are symmetrical front and back are arranged on the bottom surface of the lifting plate, a sealing cover is movably sleeved on the outer cambered surface of the telescopic end of the electric push rod, the outer side surface of the lifting plate is matched with the inner wall surface of the sealing cover, and an exhaust pipe is arranged at the exhaust opening at the lower end of the front side surface of the sealing cover; the sealing unit is arranged in the sealing cover and is matched with the trapezoid block. The utility model can realize effective sealing of the vacuumizing environment and subsequent sealing driving work through single-stage driving when vacuumizing the sealed bag, and reduces input cost while guaranteeing vacuumizing and sealing working quality.

Description

Sealing bag vacuumizing and sealing mechanism

Technical Field

The utility model relates to the technical field of semiconductor element packaging, in particular to a sealing bag vacuumizing and sealing mechanism.

Background

After the semiconductor element is braided by the test sorting equipment, the reel loaded with the finished semiconductor element braid needs to be packed, and the conventional procedures of a common packing line comprise reel loading, reel labeling and QC stamping, humidity card placing, drying agent placing, reel taking and preparing for bagging, product bagging, vacuumizing and sealing, automatic unloading and the like, so that the packing process of the semiconductor reel is completed.

The purpose of vacuumizing and sealing the semiconductor element after the semiconductor element is placed in the sealing bag is to prevent the semiconductor element from being corroded by external factors in the subsequent conveying and transferring process and ensure the quality of the semiconductor element in subsequent use.

In order to realize automatic processing, the sealing bag needs to be placed in a sealing environment in the vacuumizing process of the sealing bag, then hot-pressing sealing is completed through extrusion of two electric heating plates, and in the two steps, independent driving equipment is often needed to be matched, so that the driving cost for realizing packaging work is too high.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the sealing bag vacuumizing and sealing mechanism which can realize effective sealing of a vacuumizing environment and subsequent sealing driving work through single-stage driving when the sealing bag is vacuumized, so that the vacuumizing and sealing quality is ensured, the input cost is reduced, the structure is simple and practical, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sealing bag vacuumizing and sealing mechanism comprises a bracket, a sealing unit and a PLC controller;

an electric push rod is arranged in the upper surface mounting opening of the support, a lifting plate is arranged at the lower end of the telescopic end of the electric push rod, trapezoid blocks which are symmetrical front and back are arranged on the bottom surface of the lifting plate, a sealing cover is movably sleeved on the outer cambered surface of the telescopic end of the electric push rod, the outer side surface of the lifting plate is matched with the inner wall surface of the sealing cover, and an exhaust pipe is arranged at the exhaust opening at the lower end of the front side surface of the sealing cover;

the sealing unit is arranged in the sealing cover and is matched with the trapezoid block.

Further, seal the unit and include rectangular plate, rectangle cover, electrical heating board and trapezoidal board, rectangular plate symmetry sets up in the front and back inner wall of sealed cowling, rectangle cover activity cup joint to the outside of rectangular plate, the electrical heating board sets up respectively two the opposite medial surface of rectangle cover, the trapezoidal board (set up the upper surface of rectangle cover, the upper end inclined plane of trapezoidal board contacts with the trapezoidal piece lower extreme inclined plane that vertically corresponds respectively, can realize sealing the hot pressing of sealing bag.

Furthermore, the upper end inclined plane of the trapezoid plate and the lower end inclined plane of the trapezoid block are obliquely arranged from inside to outside to the bottom by taking the central axis of the electric push rod as a reference, and the trapezoid plate can be promoted to move inwards when the trapezoid block moves downwards.

Further, the sealing unit further comprises tension springs, the tension springs are respectively arranged in the two rectangular sleeves, the outer side ends of the tension springs are respectively fixedly connected with the rectangular plates adjacent to the same side, and the rectangular sleeves can be caused to reset when the electric push rod moves upwards to reset.

Further, be equipped with the spring on the step panel of the flexible end of electric putter, the bottom and the upper surface fixed connection of sealed cowling of spring, the spring housing is located the flexible end outside of electric putter, can promote sealed cowling to move down and ensure that the sealed cowling closely detains the outside of putting at sealed bag.

Furthermore, the sealing rubber ring is arranged on the bottom surface of the sealing cover, so that the tightness of the cavity where the sealing bag is located can be improved.

Further, the bottom of support is equipped with the mounting bracket, and both ends all are equipped with the mounting hole around the upper and lower surface of mounting bracket, can realize the fixed to the support.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the sealing bag is vacuumized and sealed, a person firstly uses an external bolt to penetrate through a mounting hole to connect a mounting frame with a mounting part on an automatic sealing bag packaging line, so that the fixing of a bracket is realized, when the sealing bag is conveyed to the position right below a sealing cover, an electric push rod stretches downwards under the regulation and control of a PLC controller, the sealing cover moves downwards along with the influence of self gravity and elastic potential energy of a spring until the sealing cover is buckled outside the sealing bag, a sealing rubber ring is tightly contacted with sealing bag conveying equipment to ensure the tightness of a cavity where the sealing bag is positioned, and then an external air pump runs to pump out redundant air inside the sealing cover through an exhaust pipe, so that the vacuumizing work of the sealing bag can be completed;

2. after the evacuation work is accomplished, through the regulation and control of PLC controller, electric putter further extends downwards, the sealed cowling is unable to continue to move downwards because of the blockage of below sealed bag conveying equipment, thereby make the lifter plate drive trapezoidal piece together at the inside of sealed cowling move downwards, when trapezoidal shaped plate and trapezoidal piece's contact point change, two rectangle covers can overcome the pulling force of extension spring and be close to in opposite directions along the rectangular plate, this in-process electrical heating board circular telegram is with electric energy conversion heat energy, finally the top of sealed bag is uncovered can be together by two electrical heating board hot pressing centre gripping and accomplish the work of sealing, can realize the sealed work and the work of sealing of evacuation environment under the prerequisite that does not increase other actuating equipment, and is simple in structure practical.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the seal housing of the present utility model in a left-hand view and in-cross section.

In the figure: 1 support, 2 electric putter, 3 lifter plate, 4 trapezoidal piece, 5 sealed cowling, 6 exhaust tube, 7 seal unit, 71 rectangular plate, 72 rectangle cover, 73 electrical heating board, 74 trapezoidal plate, 75 extension spring, 8PLC controller, 9 spring, 10 sealed rubber ring, 11 mounting bracket, 12 mounting hole.

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.

Referring to fig. 1-2, the vacuum pumping and sealing mechanism for a sealed bag provided in this embodiment includes a bracket 1, a sealing unit 7 and a PLC controller 8.

Wherein: an electric push rod 2 is arranged in an upper surface mounting port of the support 1, a lifting plate 3 is arranged at the lower end of a telescopic end of the electric push rod 2, a trapezoid block 4 which is symmetrical front and back is arranged on the bottom surface of the lifting plate 3, a sealing cover 5 is movably sleeved on the outer cambered surface of the telescopic end of the electric push rod 2, the outer side surface of the lifting plate 3 is matched with the inner wall surface of the sealing cover 5, an exhaust pipe 6 is arranged at an exhaust port of the lower end of the front side surface of the sealing cover 5, when a sealing bag is conveyed to the position right below the sealing cover 5, the electric push rod 2 stretches downwards under the regulation and control of a PLC (programmable logic controller) 8, the sealing cover 5 moves downwards along with the influence of self gravity until the sealing bag is buckled outside the sealing bag, and then an external air pump runs to exhaust redundant air inside the sealing cover 5 through the exhaust pipe 6, so that the vacuum pumping operation of the sealing bag can be completed.

Wherein: the sealing unit 7 is arranged in the sealing cover 5, the sealing unit 7 is matched with the trapezoid block 4, the sealing unit 7 comprises a rectangular plate 71, rectangular sleeves 72, an electric heating plate 73 and trapezoid plates 74, the rectangular plates 71 are symmetrically arranged on the front inner wall and the rear inner wall of the sealing cover 5, the rectangular sleeves 72 are movably sleeved outside the rectangular plates 71, the electric heating plates 73 are arranged on the opposite inner sides of the two rectangular sleeves 72, trapezoid plates 74 are arranged on the upper surfaces of the rectangular sleeves 72, the upper end inclined surfaces of the trapezoid plates 74 are respectively contacted with the lower end inclined surfaces of the vertically corresponding trapezoid blocks 4, the input ends of the electric heating plates 73 are electrically connected with the output ends of the PLC 8, the upper end inclined surfaces of the trapezoid plates 74 and the lower end inclined surfaces of the trapezoid blocks 4 are respectively arranged in a downward inclined mode from inside to outside by taking the central axis of the electric push rod 2 as a reference, the sealing unit 7 further comprises tension springs 75, the tension springs 75 are respectively arranged in the two rectangular sleeves 72, and the outer side ends of the tension springs 75 are respectively fixedly connected with the rectangular plates 71 adjacent to the same side.

In another embodiment, a spring 9 is arranged on a step panel at the telescopic end of the electric push rod 2, the bottom end of the spring 9 is fixedly connected with the upper surface of the sealing cover 5, the spring 9 is sleeved outside the telescopic end of the electric push rod 2, and the sealing cover 5 can be pushed down by a certain amount to ensure that the sealing cover 5 is tightly buckled outside the sealing bag.

In another embodiment, the sealing cover 5 is provided with a sealing rubber ring 10 on the bottom surface, and the sealing rubber ring 10 is in close contact with the sealing bag conveying equipment to ensure the tightness of the cavity where the sealing bag is located.

In another embodiment, the bottom of the bracket 1 is provided with a mounting bracket 11, both front and rear ends of the upper surface and the lower surface of the mounting bracket 11 are provided with mounting holes 12, and personnel use external bolts to penetrate through the mounting holes 12 to connect the mounting bracket 11 with the mounting part on the automatic packaging line of the sealing bag, so that the bracket 1 is fixed.

The working principle of the utility model is as follows:

when the sealing bag is vacuumized and sealed, a person firstly uses an external bolt to penetrate through the mounting hole 12 to connect the mounting frame 11 with the mounting part on the automatic sealing bag packaging line, so as to fix the bracket 1;

when the sealed bag is conveyed to the position right below the sealed cover 5, the electric push rod 2 stretches downwards under the regulation and control of the PLC controller 8, the sealed cover 5 moves downwards along with the influence of self gravity and elastic potential energy of the spring 9 until the sealed cover is buckled outside the sealed bag, the sealing rubber ring 10 can be tightly contacted with sealed bag conveying equipment to ensure the tightness of a cavity where the sealed bag is positioned, and then an external air pump operates to pump out redundant air inside the sealed cover 5 through the air pumping pipe 6, so that the vacuumizing work of the sealed bag can be completed;

then through the regulation and control of PLC controller 8, electric putter 2 further extends downwards, sealed cowling 5 can't continue to move downwards because of the blockage of below sealed bag conveying equipment, thereby make lifter plate 3 drive trapezoidal piece 4 together move downwards in sealed cowling 5's inside, when trapezoidal plate 74 and trapezoidal piece 4's contact point change, two rectangle covers 72 can overcome the pulling force of extension spring 75 and be close to along rectangular plate 71 in opposite directions, this in-process electrical heating board 73 circular telegram is with the electric energy conversion heat energy, finally sealed bag's top opening can be in the same place by two electrical heating board 73 hot pressing centre gripping and accomplish the work of sealing, simple structure is practical.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a sealed bag evacuation and sealing mechanism which characterized in that: comprises a bracket (1), a sealing unit (7) and a PLC controller (8);

an electric push rod (2) is arranged in an upper surface mounting port of the support (1), a lifting plate (3) is arranged at the lower end of a telescopic end of the electric push rod (2), trapezoid blocks (4) which are symmetrical front and back are arranged on the bottom surface of the lifting plate (3), a sealing cover (5) is movably sleeved on an outer cambered surface of the telescopic end of the electric push rod (2), the outer side surface of the lifting plate (3) is matched with the inner wall surface of the sealing cover (5), and an exhaust pipe (6) is arranged at an exhaust port at the lower end of the front side surface of the sealing cover (5);

the sealing unit (7) is arranged in the sealing cover (5), and the sealing unit (7) is matched with the trapezoid block (4).

2. The sealed bag evacuation and seal mechanism of claim 1, wherein: the sealing unit (7) comprises rectangular plates (71), rectangular sleeves (72), electric heating plates (73) and trapezoid plates (74), wherein the rectangular plates (71) are symmetrically arranged on the front inner wall and the rear inner wall of the sealing cover (5), the rectangular sleeves (72) are movably sleeved on the outer portions of the rectangular plates (71), the electric heating plates (73) are respectively arranged on two opposite inner sides of the rectangular sleeves (72), the trapezoid plates (74) are arranged on the upper surfaces of the rectangular sleeves (72), and upper end inclined planes of the trapezoid plates (74) are respectively in contact with lower end inclined planes of vertically corresponding trapezoid blocks (4).

3. The sealed bag evacuation and seal mechanism of claim 2, wherein: the upper end inclined plane of the trapezoid plate (74) and the lower end inclined plane of the trapezoid block (4) are inclined from inside to outside and downward by taking the central axis of the electric push rod (2) as a reference.

4. The sealed bag evacuation and seal mechanism of claim 2, wherein: the sealing unit (7) further comprises tension springs (75), the tension springs (75) are respectively arranged in the two rectangular sleeves (72), and the outer side ends of the tension springs (75) are respectively fixedly connected with the rectangular plates (71) adjacent to the same side.

5. The sealed bag evacuation and seal mechanism of claim 1, wherein: the step panel of the telescopic end of the electric push rod (2) is provided with a spring (9), the bottom end of the spring (9) is fixedly connected with the upper surface of the sealing cover (5), and the spring (9) is sleeved outside the telescopic end of the electric push rod (2).

6. The sealed bag evacuation and seal mechanism of claim 1, wherein: the bottom surface of the sealing cover (5) is provided with a sealing rubber ring (10).

7. The sealed bag evacuation and seal mechanism of claim 1, wherein: the bottom of support (1) is equipped with mounting bracket (11), both ends all are equipped with mounting hole (12) around the upper and lower surface of mounting bracket (11).