CN113044260A

CN113044260A - Powder filling device and system

Info

Publication number: CN113044260A
Application number: CN202110276409.6A
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: 2021-06-29
Anticipated expiration: 2041-03-15
Also published as: CN113044260B

Abstract

Powder filling device and system relates to the filling equipment and filling system technical field who send powdered material into the container. The powder filling device comprises a frame and a powder filling box arranged on the frame, wherein the powder filling box is provided with an operation opening and an operation door for opening and closing the operation opening; the door plate of the operation door opens and closes the operation opening in a translational mode relative to the operation opening. The powder filling system comprises the powder feeding device and the powder filling device, and has the advantages of high degree of mechanization and high efficiency.

Description

Powder filling device and system

Technical Field

The invention relates to packaging equipment and a 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 plurality of toner cartridges with different single color toner are detachably mounted in a color laser printer to restore the patterns and characters as real as possible, such as four color toner cartridges of red, yellow, blue and black, and four types of toner cartridges with the same outer shape of red, yellow, blue and black are currently commercially available.

The chinese patent application with publication number CN111453017A discloses a powder filling device named as a high-efficiency precise vacuum powder filling machine, and 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 using the carbon powder and the empty shells as raw materials.

Although the filling process of the carbon powder box in the prior art improves the automation degree and the production efficiency, the following defects still exist, firstly, the vacuum box adopts an operation door with one side hinged to rotate to open and close, and the stroke of an opening and closing cylinder of the rotation door is longer, so that the opening and closing time is longer, and the high-speed filling production is not facilitated; secondly, the filled container is taken and placed manually, and the automation degree is low.

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 an operation opening and an operation door for opening and closing the operation opening; the door plate of the operation door opens and closes the operation opening in a translational mode relative to the operation opening.

According to the scheme, the operation door is opened and closed in a translation mode, the stroke of the opening and closing mechanism is relatively short, the rotating door in the prior art generally moves at least 90 degrees to be convenient for taking and placing the container before and after filling, and the stroke of the opening and closing cylinder is relatively long.

The further proposal is that a container seat frame is fixed on the inner side of the door panel; a weighing opening allowing the weighing head to enter and exit is formed in the bottom of the container seat frame, and one side, far away from the door plate, of the container seat frame is connected with the opening and closing power head; a container seat is arranged in the container seat frame; a first limiting connection structure is arranged between the upper surface of the bottom of the container seat frame and the lower surface of the bottom of the container seat frame; and a second limiting connection structure is arranged between the lower surface of the bottom of the container seat and the upper surface of the weighing head. The advantage of this scheme is be convenient for get along with the operation door open and close the container in the container seat that removes, location and weigh.

The inner side of the door plate is further fixed with a limiting piece, and the limiting piece is positioned above the container seat frame and used for limiting the upward movement distance of the container seat relative to the container seat frame to be not beyond a set value. The advantage of this scheme is that can effectively avoid when taking out the container seat by improper area out.

Another further proposal is that the inner side of the door panel is connected with a container seat frame; the container seat frame and the door plate are fixedly connected by adopting a detachable structure. The advantage of this scheme can swiftly dismantle the door plant, and then conveniently cleans and maintains the powder filling incasement portion.

A further solution is that the detachable structure comprises a bolt fastened to the container seat frame and a through 8-shaped through hole correspondingly arranged on the door panel.

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. The advantage of this scheme is more doing benefit to quick filling, provides convenience for the setting of manipulator.

The device further comprises a pair of manipulators for picking 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 containers in the container seats in the state of opening the operation doors.

The powder filling box is a vacuum powder filling box or a non-vacuum powder filling box; when the powder filling box is a vacuum powder filling box, a sealing ring surrounding the operation opening is arranged between the door plate and the operation opening, the door plate is connected with an opening and closing power head for opening and closing the air cylinder, and a limiter for limiting the movement of the door plate when the sealing ring is pressed due to the fact that vacuum differential pressure is arranged at the tail end of the opening and closing power head. The advantage of this scheme is when irritating the powder case for the non-vacuum case of irritating the powder, can prevent dust pollution effectively and irritate the powder case external environment, when irritating the powder case for the vacuum case of irritating, the advantage will be explained in detail in the embodiment part. In addition, the arrangement of the limiting stopper can protect the sealing ring from being pressed excessively on one hand, and on the other hand, the second connecting structure can be connected more accurately after the operation door is closed.

The further proposal is that

A magnet is arranged between the upper surface of the bottom of the container seat frame and the lower surface of the bottom of the container seat frame, and the stopper is a limiting cylinder or a limiting bolt and is used for generating magnetic attraction force for enabling the container seat and the container seat frame to be mutually adsorbed; the magnetic attraction force is smaller than the jacking force of the weighing head. The advantage of this scheme is that the removal of jacking weighing in-process container seat with take one's place more smoothly accurate.

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 first embodiment of a powder filling system;

FIG. 2 is a connection diagram of the conveying pipe between the powder feeding device and the powder filling device;

FIG. 3 is a connection diagram of a delivery tube in another configuration;

FIG. 4 is a perspective view of the powder filling system with the powder feeding device omitted;

FIG. 5 is a perspective view of the powder filling device and a pair of manipulators;

FIG. 6 is a side view of the powder filling bin and its accessories;

FIG. 7 is a schematic view of a powder filling box after a box plate is disassembled;

FIG. 8 is an exploded view of the container mount, stop, weight head and door panel showing the relationship therebetween;

FIG. 9 is a diagram showing the positional relationship between the door panel and the container seat frame, the position limiter and the weighing head;

FIG. 10 is an exploded view of the door panel shown removed;

fig. 11 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 the powder filling device, and although the following describes a plurality of embodiments of the powder filling system, it 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.

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. 1, 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. A square conveying return line 301 is arranged in the box feeding device 300, so that the boxes can be placed quickly, and six empty carbon powder boxes can be quickly inserted into the return line at one time.

Referring to fig. 2 and 3, the powder filling device of this embodiment has 6 vacuum powder filling boxes 1, that is, 6 toner cartridges can be filled, and when a batch of toner cartridges needs to be filled with blue toner, as shown in fig. 2, quick connectors of 6 powder feeding pipes of a powder feeding device 200 containing blue toner are respectively inserted into ports of the 6 vacuum powder filling boxes 1. When a batch of black carbon powder needs to be filled, the quick connector of the blue powder feeding device 200 can be pulled out, and the quick connector of the black powder feeding device 200 can be inserted as shown in fig. 3.

Referring to fig. 4 and 5, the 6 vacuum powder filling boxes 1 arranged on the rack in the powder filling device 100 are arranged in a line in such a way that the operation ports are all oriented to the negative direction of the Y axis, i.e., the door panel 12 of the operation door closes the operation port 11 when moving towards the positive direction of the Y axis, and opens the operation port 11 when moving towards the negative direction of the Y axis. In the box feeding device 300, a square conveying return line 301 is provided, a pair of

manipulators

601 and 602 in this example adopt a double-cylinder manipulator, wherein the manipulator 601 is used for placing an empty toner box on the left side in fig. 5, the manipulator takes the toner box from the square conveying return line 301 and places the toner box into a container base 13 with an opened door plate, the manipulator 602 is used for taking out the toner box after powder filling from the container base 13 and sends the toner box after powder filling to a capping device 400, after the toner box after capping is weighed and capped by a sorting device 500, a qualified product is grabbed by a mechanical arm 501 and is horizontally placed on a conveyor belt by 90 degrees and sent to the next process, and a unqualified product is grabbed by the mechanical arm 501 and is placed in a defective base 502 for processing, and three defective bases 502 in this example are provided.

Referring to fig. 5, the 6 operation doors shown in fig. 5 are all in an open state, in actual operation, only one operation door is opened at the same moment, and the other operation doors are all in a closed state, for each opened operation door, the manipulator 602 first takes out the filled toner cartridge inside the operation door and sends the toner cartridge to the capping device 400, and then the manipulator 601 takes out an empty toner cartridge from the cartridge sending device 300 and places the empty toner cartridge in the container seat inside the operation door, which are controlled by a control device. Each vacuum powder filling box 1 is provided with an operation opening 11 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 reciprocates 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. 6, five surfaces of each vacuum powder filling box 1 are closed, only the operation port 11 facing the negative direction of the Y axis is open, the door plate 12 is controlled by the opening and closing cylinder 14 to open and close the operation port 11, one end of the container seat frame 13 is fixedly connected to the inner side of the door plate 12, and the other end of the container seat frame is fixedly connected with the opening and closing power head 141 of the opening and closing cylinder 14. 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 opening and closing cylinder 14 is deflated, the vacuum generator vacuumizes from the vacuum port 111, due to the action of the pressure difference, the door plate 12 further compresses the sealing ring 121, so as to move forward towards the Y axis relative to the operation port 11, which will make the toner cartridge 700 inside the door plate 12 follow up, deviate from the toner filling nozzle under the toner filling head 19 in the Y axis direction, and deviate from the weighing head of the weighing cylinder 15, in order to prevent this phenomenon, a limiting cylinder 18 serving as a limiter can be installed at the rear end of the opening and closing cylinder 14, the power head of the limiting cylinder 18 is preset on a proper coordinate value in the Y axis direction, so that the retraction of the opening and closing power head 141 is limited to align the toner filling nozzle with the toner cartridge 700, and a second limiting connection structure to be described later is aligned in the XY plane. Obviously, this function of the spacing cylinder 18 can also be achieved by replacing it with a spacing bolt. When vacuum powder filling is carried out, the weighing air cylinder 15 acts to lift the weighing head and accurately butt joint the weighing head and the container seat 16 in an XY plane through a second limiting connection structure, and moves up to the powder filling opening of the toner cartridge 700 along the Z-axis to be aligned with the powder filling nozzle below the powder filling head or the powder filling nozzle is inserted into the powder filling opening, when the weight of the toner is reduced to a specified weight, the weighing head is moved downwards to return, so that the first connecting structure between the container seat 16 and the container seat frame 13 is accurately butted in an XY plane, the powder filling box 1 is filled with air through the air inlet 112 to eliminate vacuum in the cavity, the opening and closing air cylinder 14 is operated to open the door panel 12, the toner cartridge 700 is taken out upwards by the taking-out manipulator 602, in order to prevent the possible container seat 16 from being taken out upwards along with the toner cartridge 700, a limiting piece 17 is fixed on the inner side of the door panel 12, the limiting piece 17 is positioned above the container seat frame 13, for limiting the distance that the container holder 16 is moved upward relative to the container holder 13 beyond a set value.

Referring to fig. 7, each vacuum 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 positioned in the cavity. A pair of locating pins 152 are provided on the upper surface of the weighing head as part of the second positive-displacement coupling arrangement.

Referring to fig. 8, the bottom of the container mount 13 is provided with a weighing opening 132 allowing the weighing head 151 to enter and exit while moving in the Z-axis direction, and the bottom surface of the container mount 16 is provided with a pair of positioning holes 162 fitted with the pair of positioning pins 152 and a pair of positioning holes 161 as a part of the first coupling structure.

Referring to fig. 9, the top surface of the bottom of the container base 13 is provided with a pair of positioning pins 131 which are engaged with the positioning holes 161, and a stopper 17 is provided above the bottom surface, in this case, the stopper 17 is a fork, the toner cartridge 700 can pass into and out of the container base 16 through a fork opening in the Z-axis direction, and a pair of fork arms can prevent the container base 16 from being separated from the container base 13, but does not prevent the weighing movement of the weighing head 151 in the Z-axis direction.

Referring to fig. 7 to 9, the first limit coupling structure of the present embodiment is a positioning pin 131 and a positioning hole 161 that are engaged with each other, and the second limit coupling structure of the present embodiment is a positioning pin 152 and a positioning hole 162 that are engaged with each other. Obviously, the positions of the positioning pin and the positioning hole can be interchanged, and in addition, the purpose of limiting connection can also be realized by adopting structures in other meshing modes.

Referring to fig. 8 and 9, two ferromagnetic bodies 163 are disposed on the lower surface of the bottom of the receptacle holder, four magnets 133 are disposed on the upper surface of the bottom of the receptacle holder corresponding to the ferromagnetic bodies 163, and the lifting force of the weighing head 151 is greater than the magnetic attraction force when the magnets 133 and the ferromagnetic bodies 163 are attracted to each other. The magnetic attraction between the first limit coupling structure and the second limit coupling structure has the advantages that the first limit coupling structure and the second limit coupling structure can be accurately and reliably coupled, improper displacement of the container base 16 relative to the container base frame 13 when the toner cartridge is taken and placed is effectively avoided, and displacement caused by dragging the container base 16 when the toner cartridge 700 is taken out can be prevented. But should prevent that magnetic attraction hinders the jacking of weighing and influences the accuracy of weighing when too big. It is apparent that interchanging the position of the magnet 133 with the ferromagnetic body 163 or replacing the ferromagnetic body 163 with another magnet can also achieve the above object of the present invention.

Referring to fig. 10, the container seat frame 13 and the door panel 12 are connected by a quick-release structure, a bolt 133 is tightly fixed on the side plate of the container seat frame 13 facing the door panel 12, the upper end of the side plate in the Z-axis direction is a tongue 134, and the combining portion of the door panel 12 and the limiting member 17 is formed with a slot matching with the tongue 134, it can be seen from fig. 9 that the tongue 134 is inserted into the slot, a through 8-shaped through hole 122 is provided in the door panel 12, a packing 135 is provided for sealing the through hole 122, in the Z-axis direction, the through hole 122 is a 8-shaped through hole with a small diameter at the top and a large diameter at the bottom, the head of the bolt 133 is inserted into the through hole 122 from the large hole and then the door panel 12 is moved down along the Z-axis direction, the inserting tongue 134 can enter the slot, meanwhile, the rod part of the bolt 133 enters the small hole, the bolt 133 is tightened to realize the rapid installation of the door panel 12, when the cavity of the powder filling box 1 needs to be cleaned or maintained, the door plate can be quickly detached by loosening the bolts 133 and reversely operating.

Second embodiment of powder filling System

In the embodiment, the four powder feeding devices 200 are all spiral powder feeding devices, and the powder filling device 100 adopts the four powder filling boxes 1 which are all non-vacuum powder filling boxes 1, so that no stopper is required to be arranged after the cylinder is opened and closed and fine adjustment is carried out because of no strict air tightness requirement. In addition, the powder feeding device 200 with the same color is correspondingly and fixedly connected with the powder feeding pipe of the powder filling box 1 with the same color, so that the trouble of cleaning the powder filling box 1 after changing the color of the 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. 11, the opening and closing cylinder 14 is installed on the other side of the door panel 12, namely the opening and closing power head 141 is also located outside the powder filling box 1, so that the opening and closing power head 141 needs to be provided with an opening to penetrate into the powder filling box 1, and a sealing structure at the opening is omitted, and meanwhile, the volume of a 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.

Claims

1. The powder filling device comprises a rack and a powder filling box arranged on the rack, wherein the powder filling box is provided with an operation opening and an operation door for opening and closing the operation opening;

the method is characterized in that:

the door plate of the operation door opens and closes the operation opening in a translational mode relative to the operation opening.

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

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

a weighing opening allowing the weighing head to enter and exit is formed in the bottom of the container seat frame, and one side, far away from the door plate, of the container seat frame is connected with the opening and closing power head;

a container seat is arranged in the container seat frame;

a first limiting connection structure is arranged between the upper surface of the bottom of the container seat frame and the lower surface of the bottom of the container seat frame;

and a second limiting connection structure is arranged between the lower surface of the bottom of the container seat and the upper surface of the weighing head.

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

and a limiting piece is further fixed on the inner side of the door plate and is positioned above the container seat frame and used for limiting the upward movement distance of the container seat relative to the container seat frame not to exceed a set value.

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

the inner side of the door plate is connected with a container seat frame;

the container seat frame and the door plate are fixedly connected by adopting a detachable structure.

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

the detachable structure comprises a bolt tightly fixed on the container seat frame and a through 8-shaped through hole correspondingly arranged on the door panel.

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

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.

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 containers in the container seats in the state of opening the operation doors.

8. A powder filling apparatus according to any one of claims 1 to 7, wherein:

the powder filling box is a vacuum powder filling box or a non-vacuum powder filling box;

when the powder filling box is a vacuum powder filling box, a sealing ring surrounding the operation opening is arranged between the door plate and the operation opening, the door plate is connected with an opening and closing power head for opening and closing the air cylinder, and a limiter for limiting the movement of the door plate when the sealing ring is pressed due to the fact that vacuum differential pressure is arranged at the tail end of the opening and closing power head.

9. A powder filling apparatus according to claim 2, 3, 6 or 7, wherein:

a magnetic attraction is arranged between the upper surface of the bottom of the container seat frame and the lower surface of the bottom of the container seat frame and is used for generating a magnetic attraction force which enables the container seat and the container seat frame to be mutually attracted;

the magnetic attraction force is smaller than the jacking force of the weighing head.

10. 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 9.