CN113044261B

CN113044261B - Powder filling device and system

Info

Publication number: CN113044261B
Application number: CN202110276420.2A
Authority: CN
Inventors: 杨洪
Original assignee: Zhuhai Weiqi Automation Equipment Co ltd
Current assignee: Zhuhai Weiqi Automation Equipment Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2022-08-02
Anticipated expiration: 2041-03-15
Also published as: CN113044261A

Abstract

Powder filling device and system relate to the technical field of filling equipment and filling systems for feeding powdery materials into containers. The powder filling device comprises a rack and a powder filling box arranged on the rack, and the powder filling box is provided with a weighing mechanism; the main body of the weighing mechanism is positioned outside the powder filling box, and the weighing head of the weighing mechanism is positioned inside the powder filling box. The powder filling system comprises the powder feeding device and the powder filling device, and has the advantages of small volume of the powder filling box and high filling efficiency.

Description

Powder filling device and system

Technical Field

The invention relates to packaging equipment and a packaging system for feeding powdery materials into a packaging container, in particular to a powder filling device and a powder filling system.

Background

In devices based on electrophotographic imaging, such as laser printers, multifunctional facsimile machines, copiers, etc., toner cartridges containing toner are often used as imaging developers. In recent years, color devices have appeared in the above devices, and a color laser printer is detachably provided with a plurality of toner cartridges with different single color toner powders to restore the patterns and characters as real as possible, such as four-color toner cartridges of red, yellow, blue and black, and the toner cartridges of four colors of red, yellow, blue and black are currently commercially available, and the structures and the external dimensions of the toner cartridges are completely the same.

The chinese patent application with publication number CN110282168A discloses a powder filling system named as a powder filling machine, which discloses a powder filling system composed of a vacuum powder filling device and a powder feeding device, so as to realize the automatic production of carbon powder cartridges by filling carbon powder into empty shells by taking carbon powder and empty shells of the carbon powder cartridges as raw materials. All parts of a weighing mechanism in the powder filling device, such as a weight sensing device, a weighing plate, a weighing sensor and a split charging lifting mechanism, are arranged in a vacuum type powder filling box.

Referring to fig. 1, in another patent application with application number 202110033754.7, namely a vacuum powder filling machine and a vacuum powder filling system filed by the applicant, a rotating disc type powder filling mechanism is arranged in a vacuum powder filling box 1, an operation door is a sub-door 122, the sub-door is arranged on a main door 121 to form a sub-door structure, and the sub-door 122 is driven to open and close by a rotary cylinder 14. Five sets of weighing mechanisms 15 are vertically and correspondingly arranged below five container seats 16, when a rotary table serving as the container seat frame 13 needs to rotate, the weighing heads of the weighing mechanisms 15 are all contracted below the rotary table so as not to hinder the rotation of the rotary table, the rotary table stops during weighing, and the weighing heads of the weighing mechanisms 15 penetrate through openings in the rotary table to lift the container seats 16 for weighing. The bottom of the weighing means 15 is fixed to the bottom of the powder filling box 1, and therefore all the components constituting the weighing means 15 are also arranged in the powder filling box 1.

Although the filling process of the toner cartridge in the prior art improves the automation degree and the production efficiency, the prior art still has the following defects that the volume of the vacuum type powder filling box is larger, which means that the vacuumizing time is inevitably longer, thereby influencing the filling time and being not beneficial to improving the production efficiency. In fact, even for non-vacuum powder filling devices, it is a sought design goal to reduce the volume of the powder filling tank as much as possible, the small volume facilitating cleaning and maintenance.

Disclosure of Invention

The invention mainly aims to provide an improved powder filling device;

another object of the present invention is to provide a powder filling system constructed by the above powder filling device.

In order to achieve the main purpose, the powder filling device provided by the invention comprises a rack and a powder filling box arranged on the rack, wherein the powder filling box is provided with a weighing mechanism; the main body of the weighing mechanism is positioned outside the powder filling box, and the weighing head of the weighing mechanism is positioned inside the powder filling box.

According to the scheme, in order to reduce the volume of the powder filling box, the weighing head in the whole weighing mechanism in the prior art is still kept in the powder filling box, and the main body of the weighing mechanism is arranged outside the powder filling box, so that the volume of the powder filling box can be greatly reduced, the non-vacuum powder filling box is convenient for cleaning and maintaining the inner cavity of the box, and the vacuum powder filling box has the advantages of shortening the time for vacuumizing, filling and discharging powder, improving the speed for taking and placing container products, improving the production efficiency and the like.

The further proposal is that an opening is arranged on a first wall plate of the powder filling box; the body has an end plate covering the opening, the weighing head being extended or retracted from the end plate; the end plate is fixedly connected with the opening in a sealing mode.

The other further scheme is that an operation opening and a door plate for opening and closing the operation opening are arranged on a second wall plate of the powder filling box.

The door plate is controlled by an opening and closing mechanism, and the operation opening is opened and closed in a translation mode; the opening and closing mechanism comprises an opening and closing cylinder or a screw rod stepping motor.

The further proposal is that the cylinder body of the opening and closing cylinder is positioned outside the powder filling box, and the cylinder head of the opening and closing cylinder is positioned inside the powder filling box.

Still another further proposal is that the cylinder body and the cylinder head of the opening and closing cylinder are both positioned outside the powder filling box.

A container seat frame is fixed on the inner side of the door plate; a container seat is arranged in the container seat frame; when the operating door is opened, the container taking and placing port of the container seat is positioned outside the operating port; the powder filling boxes are arranged in a row in a mode that the operation openings face the same direction.

Still further scheme is still including being used for carrying on the container to multiple said powder filling case and putting a pair of manipulators; and the control device controls the operation doors of the powder filling boxes to be opened and closed in order and controls the pair of mechanical arms to take and place the container from the container seat for opening the operation doors.

The further proposal is that the powder filling box is a vacuum powder filling box or a non-vacuum powder filling box.

In order to achieve another object of the present invention, the powder filling system provided by the present invention comprises a powder filling device and a powder feeding device for inputting carbon powder into the powder filling device, wherein the powder filling device adopts the powder filling device in any one of the above schemes.

Drawings

FIG. 1 is a perspective view of a prior art vacuum powder filling box;

FIG. 2 is a perspective view of a first embodiment of the powder filling system of the present invention;

FIG. 3 is a perspective view of the powder filling system with the powder feeding device omitted;

FIG. 4 is a perspective view of the powder filling device and a pair of manipulators;

FIG. 5 is a side view of the powder filling bin and its accessories;

FIG. 6 shows an exploded view of one of the six powder filling boxes with one side panel removed;

FIG. 7 is a perspective view of FIG. 6 from another perspective;

fig. 8 is a schematic structural diagram of a powder filling box in a third embodiment of the powder filling system.

Detailed Description

The main point of the present invention is that the powder filling device, although the following describes a plurality of embodiments of the powder filling system, is essentially caused by the change of the implementation of the powder filling device. In addition, many of the structures of the powder filling system and the powder filling device can be implemented by understanding the prior art, and only the structures that are closely related to the present invention will be described by different embodiments or implementations.

For ease of description and understanding, a rectangular coordinate system is shown in the figures to illustrate that the features should still have the same orientation at different viewing angles in the figures.

In addition, although the embodiments below are described only with respect to filling of toner cartridges with toner, it will be fully understood by those skilled in the art that the present invention is also applicable to filling of powdered materials into packaging containers thereof, such as milk powder into cans, powdered seasonings into seasoning bottles, and the like.

First embodiment of powder filling System

Referring to fig. 2, this example is a powder filling system for a four-color toner cartridge, which has four powder feeding devices 200, each powder feeding device 200 contains toner of one color, each powder feeding device 200 is partitioned into 6 independent powder feeding chambers, each powder feeding device is provided with 6 powder feeding pipes, one end of each powder feeding pipe is connected with the powder feeding chamber, and the other end of each powder feeding pipe is a quick connector for quick butt joint with a powder filling nozzle of a powder filling box. The powder filling system of this embodiment is a toner cartridge filling line, which is composed of a box feeding device 300, a powder filling device 100, a capping device 400 and a sorting device 500 in sequence, that is, an empty box enters from the box feeding device 300, passes through the powder filling device 100, the capping device 400 and the sorting device 500 in a full-automatic manner, qualified products are transferred to the subsequent process, and rejected products are waited for processing.

Referring to fig. 3, the powder filling device of this embodiment has 6 vacuum powder filling boxes 1 arranged in a row, that is, 6 toner cartridges can be filled. A square conveying return line 301 is arranged in the box feeding device 300, a plurality of empty carbon powder boxes can be placed at one time, and the box feeding device has the advantage of rapid feeding during manual feeding. The mechanical arm 501 and the square conveying return line are arranged in the sorting device 500, after the carbon powder boxes which are covered are weighed and covered by the sorting device 500, qualified products are grabbed by the mechanical arm 501 and rotated by 90 degrees and are horizontally arranged on the conveying belt to be conveyed to the next procedure, unqualified products are grabbed by the mechanical arm 501 and are placed in the defective product seats 502 for processing, and three defective product seats 502 are arranged.

Referring to fig. 4 in combination, the 6 powder filling boxes 1 arranged on the machine frame in the powder filling device 100 are arranged in a line in such a way that the operation ports 11 are all towards the negative direction of the Y axis, i.e. the door panel 12 of the operation door closes the operation ports 11 when moving towards the positive direction of the Y axis, and opens the operation ports 11 when moving towards the negative direction of the Y axis. The

manipulators

601 and 602 in this example are double-cylinder manipulators, wherein the manipulator 601 for placing the empty toner cartridge on the left side in fig. 4 takes out the toner cartridge from the square-shaped conveying return line 301 and places the toner cartridge into a container seat with the door panel 12 opened, while the manipulator 602 for taking out the toner cartridge filled with toner on the right side before the moment has taken out the toner cartridge filled with toner from the container seat and sent to the capping device 400. In the actual use process, only one door panel 12 is in the open state, and the other door panels 12 are in the closed state in a certain period of time, as shown in fig. 4, the door panels 12 of the 6 powder filling boxes 1 are in the open state. For each opened door, the right hand 602 first takes out the filled toner cartridge inside the door and sends it to the capping device 400, and the left hand 601 then takes out an empty toner cartridge from the cartridge sending device 300 and places it in the receptacle inside the door, all controlled by a control device. Each powder filling box 1 is provided with an operation opening 11 arranged on the second wall plate and an operation door for opening and closing the operation opening 11, and a door plate 12 of the operation door opens and closes the operation opening 11 in a translation mode relative to the operation opening 11, namely the door plate 12 moves in a reciprocating mode in the Y-axis direction to realize opening and closing. A container seat frame 13 is fixed on the inner side of the door panel 12, namely, the side facing the inner cavity of the vacuum powder filling box 1. An opening and closing power head 141 of the opening and closing air cylinder 14 is fixedly connected with one side of the container seat frame 13 far away from the door plate, namely, one end of the container seat frame 13 is fixed on the door plate 12, and the other end of the container seat frame is fixed on the opening and closing power head 141 in the Y-axis direction.

Referring to fig. 4 and 5, five surfaces of each powder pouring box 1 are closed, only the operation port 11 facing the negative direction of the Y axis is open, and the door plate 12 is controlled by the opening and closing cylinder 14 to open and close the operation port 11. The container seat 16 is placed in the container seat frame 13, after the empty toner cartridge 700 is placed in the container seat 16, the opening and closing cylinder 14 is operated to make the door panel 12 horizontally move along the Y-axis direction to close the operation port 11, so that the toner cartridge 700 enters the inner cavity of the vacuum powder filling box 1, in order to ensure that the door panel 12 has good sealing performance, a circle of sealing ring 121 is arranged on the inner side of the door panel 12, obviously, the sealing ring 121 can also be arranged on a circle of the operation port 11, and the sealing requirement after the door panel 12 is butted with the operation port 11 can also be realized. After the door plate 12 is closed, the air cylinder 14 is opened and closed, the vacuum generator vacuumizes from the vacuum port 111, when powder is filled in vacuum, the weighing air cylinder 15 acts to enable the weighing head to move up to the powder filling port of the carbon powder box 700 along the Z-axis direction to be aligned with or inserted into the powder filling port below the powder filling head 19, when the powder is filled to a specified weight, the weighing head stops moving back, the container seat 16 returns to the container seat frame 13, the powder filling box 1 enters air through the air inlet 112 to discharge vacuum in the cavity, the air cylinder 14 acts to open the door plate 12, the carbon powder box 700 is taken out upwards by the manipulator 602, in order to prevent the possible container seat 16 from being taken out upwards along with the carbon powder box 700, a limiting piece 17 is further fixed on the inner side of the door plate 12, the limiting piece 17 is located above the container seat frame 13 and used for limiting the distance that the container seat 16 moves upwards relative to the container seat frame 13 to exceed a set value.

Referring to fig. 6, an opening 18 is formed in the bottom, i.e., a first wall plate, of each powder filling box 1, an end plate 152 capable of covering the opening 18 is formed in the main body of a weighing cylinder 15 serving as a weighing mechanism, a weighing head 151 extends out of or retracts back from the end plate 152, i.e., the weighing head 151 moves telescopically in the Z-axis direction relative to the end plate 152, so as to weigh the carbon powder cartridge 700 in the powder filling box 1, a sealing ring fixing groove 153 is formed in the upper end surface of the end plate 152, after the sealing ring is installed in the fixing groove 153, the end plate 152 is fixedly connected to the opening 18 in a sealing manner through a fastening member, so that the weighing head 151 is located in the powder filling box 1, and the main body of the weighing cylinder 15 is located outside the powder filling box 1. As can be seen in fig. 4, the wall of the working opening 11 and the wall of the opening 18 are perpendicular to each other.

Referring to fig. 7, each powder filling box 1 is provided with a powder filling head 19, a powder filling nozzle 191 is arranged below the powder filling head 19, the opening and closing cylinder 14 and the weighing cylinder 15 are both arranged outside the cavity of the vacuum powder filling box 1, and only the opening and closing power head 141 and the weighing head 151 are located in the cavity.

Second embodiment of powder filling System

In this embodiment, four powder feeding devices 200 are all screw-type gravity powder feeding devices, and the powder filling device 100 adopts four powder filling boxes 1 which are all non-vacuum powder filling boxes 1. The powder feeding device 200 with the same color is connected with the powder filling box 1 with the same color through a fixed powder feeding pipeline, so that the trouble of cleaning the powder filling box 1 after color changing of carbon powder is eliminated.

Third embodiment of powder filling System

Other structures of the embodiment are the same as those of the previous two embodiments, and the difference is shown in fig. 8, the opening and closing cylinder 14 is installed on the other side of the door plate 12, namely, not only the main body of the opening and closing cylinder 14 is located outside the powder filling box, but also the opening and closing power head 141 is located outside the powder filling box 1, so that the opening and closing power head 141 needs to be arranged to penetrate into the powder filling box 1, and the sealing structure at the opening is omitted, and meanwhile, the volume of the cavity can be further reduced, the vacuumizing time is shortened, and the production efficiency is improved.

Fourth embodiment of the powder filling System

The difference between this embodiment and the third embodiment of the powder filling system is that the screw rod stepping motor is used to replace the opening and closing cylinder 14 and the opening and closing power head 141 thereof, and the advantage is that the opening and closing stroke of the door panel 12 is more accurately controlled.

Other embodiments of the powder filling apparatus

The powder filling device can also have other embodiments, for example, the door panel 12 for opening and closing the operation opening 11 is hinged on the operation opening 11 at one side and is opened and closed in a rotating mode, and the design of the rotating door panel 12 is particularly suitable for the structure of a single powder filling box, such as a rotating disc type vacuum powder filling box shown in fig. 1.

Claims

1. The powder filling device comprises a rack and a powder filling box arranged on the rack, five surfaces of the powder filling box are closed, only an operation opening facing to the negative direction of a Y axis is open, a door plate is controlled by an opening and closing mechanism to open and close the operation opening, a container seat is placed in the powder filling box and used for placing a container, and the powder filling box is provided with a weighing mechanism for weighing the powder filling amount of the container;

the method is characterized in that:

the main body of the weighing mechanism is positioned outside the powder filling box, and the weighing head of the weighing mechanism is positioned inside the powder filling box;

an opening is formed in the first wall plate of the powder filling box;

the body has an end plate covering the opening, the weighing head being extended or retracted from the end plate;

the end plate is fixedly connected with the opening in a sealing manner;

when powder is filled in vacuum, the weighing head moves upwards along the axial direction, so that the powder filling opening of the container is aligned with the powder filling nozzle below the powder filling head, or the powder filling nozzle is inserted into the powder filling opening, and when the powder is filled to the specified weight, the weighing head moves downwards to return.

2. The powder filling device according to claim 1, wherein:

the second wall plate of the powder filling box is provided with the operation opening and an operation door for opening and closing the operation opening, and the door plate of the operation door opens and closes the operation opening in a translation mode relative to the operation opening.

3. The powder filling device according to claim 2, wherein:

the opening and closing mechanism comprises an opening and closing cylinder or a screw rod stepping motor.

4. The powder filling device according to claim 3, wherein:

the cylinder body of the opening and closing cylinder is positioned outside the powder filling box, and the cylinder head of the opening and closing cylinder is positioned inside the powder filling box.

5. The powder filling device according to claim 3, wherein:

and the cylinder body and the cylinder head of the opening and closing cylinder are both positioned outside the powder filling box.

6. The powder filling device according to claim 2, wherein:

a container seat frame is fixed on the inner side of the door plate;

the container seat is placed in the container seat frame;

when the operating door is opened, the container taking and placing opening of the container seat is positioned outside the operating opening;

the powder filling boxes are arranged in a row in a mode that the operation openings face the same direction.

7. The powder filling device according to claim 6, wherein:

also comprises

The pair of mechanical arms are used for taking and placing the containers for the powder filling boxes;

and the control device controls the operation doors of the powder filling boxes to be opened and closed in order and controls the pair of mechanical arms to take and place the container from the container seat for opening the operation doors.

8. Irritate powder system, including irritate the powder device and to irritate the powder device that send of powder device input carbon dust, its characterized in that:

the powder filling device adopts the powder filling device as claimed in any one of claims 1 to 7.