WO2011157153A1

WO2011157153A1 - Toner cartridge regenerating method and regenerated toner cartridge

Info

Publication number: WO2011157153A1
Application number: PCT/CN2011/075069
Authority: WO
Inventors: 杨晓锋
Original assignee: 珠海天威飞马打印耗材有限公司
Priority date: 2010-06-14
Filing date: 2011-06-01
Publication date: 2011-12-22
Also published as: CN101900974B; CN101900974A

Abstract

A toner cartridge regenerating method and a regenerated toner cartridge obtained using the method are disclosed. The regenerating method comprises following steps: cutting off the welding part of connecting protrusions (21, 22, 23) on a conductive end surface (24) of the toner cartridge and a conductive end cover (1); separating a powder chamber (2) from the conductive end cover (1); exposing the connecting protrusions (21, 22, 23); providing inner connecting parts (3), outer connecting parts (4) and connecting screws (5); firmly sleeving the inner connecting parts (3) on the connecting protrusions (21, 22, 23) in an interference fit manner; placing the outer connecting parts (4) in circular through holes (11, 12, 13) on the conductive end cover (1); and fixedly connecting the inner connecting parts (3) with the outer connecting parts (4) by the connecting screws (5) so as to assemble the powder chamber (2) and the conductive end cover (1) together.

Description

Toner cartridge regeneration method and regenerative toner cartridge

Technical field

The present invention relates to a recycling method for recycling and recycling a toner cartridge, and further relates to a regenerated toner cartridge obtained by the method. This application claims priority to Chinese Patent Application No. 201010200767.0, entitled "Toner Cartridge Recycling Method and Recycled Toner Cartridge", filed on June 14, 2010, the entire contents of which are incorporated by reference. In this application.

Background technique

At present, the laser printer toner cartridges on the market, the original manufacturers in the production and sales of products, set up more barriers to prevent recycling manufacturers to recycle and reuse. As shown in FIG. 1 , an original toner cartridge has a powder chamber 2 and a conductive end cover 1 fixedly connected to the conductive end of the powder container 2, and the conductive end surface 24 of the powder container 2 has three cylindrical shapes. Connecting

protrusions

21, 22, 23, the conductive end cover 1 has three circular through

holes

11, 12, 13 corresponding to the connecting

protrusions

21, 22, 23, and three connecting

protrusions

21, 22, 23 and The conductive end caps 1 are welded together by a welding process, and when the recycled product is made, the powder bin 2 and the conductive end cap 1 must be separated, that is, the joint of the welded portion is to be removed. Thus, the reconnection between the powder bin 2 and the conductive end cap 1 becomes a difficulty in regeneration.

technical problem

A first object of the present invention is to provide a toner cartridge regeneration method that facilitates multiple recycling and reuse of a toner cartridge in view of the deficiencies of the prior art.

A second object of the present invention is to provide a regenerated toner cartridge obtained by the above toner cartridge reproducing method.

Technical solution

In order to achieve the above first object, the present invention adopts the following technical solution: a toner cartridge recycling method is provided, the toner cartridge includes a powder silo and a conductive end cap fixedly connected to the conductive end of the powder silo, The conductive end surface of the powder chamber has a cylindrical connecting protrusion, the conductive end cover has a circular through hole, and the connecting protrusion and the conductive end cover are welded together by a welding process, wherein the regeneration method Includes the following steps:

Cutting the connecting protrusion and the welded end of the conductive end cover to separate the powder chamber from the conductive end cover and exposing the connecting protrusion;

Providing an inner connecting part and an outer connecting part, the inner position of the inner connecting part and the outer connecting part respectively having screw holes;

Engaging the inner connecting member on the connecting protrusion in an interference fit manner;

Inserting the outer connecting member into a circular through hole on the conductive end cover;

A connecting screw is provided, and the inner connecting member is fixedly coupled to the outer connecting member by the connecting screw, thereby assembling the powder container and the conductive end cover together.

In order to achieve the above second object, the present invention adopts the following technical solution: a regenerative toner cartridge is provided, comprising a powder silo and a conductive end cap fixedly connected to the conductive end of the powder silo, the conductive end surface of the powder silo having a cylindrical connecting protrusion having a circular through hole; wherein the regenerated toner cartridge further includes an inner connecting member, an outer connecting member and a connecting screw, the inner connecting member and the outer connecting member Center positions respectively have screw holes that cooperate with the connecting screws; The inner connecting member is tightly sleeved on the connecting protrusion in an interference fit manner; the outer connecting member is located in the circular through hole, and is formed in a fixed connection with the inner connecting member by the connecting screw.

Beneficial effect

Advantages and benefits of the present invention are:

1. Solved the problem of assembly and disassembly between the conductive end cap and the powder bin of the toner cartridge.

2. It can facilitate the multiple recycling and reuse of toner cartridge products.

3. Can effectively save resources.

DRAWINGS

1 is a partial structural schematic view of a conductive end of a conventional original toner cartridge.

Figure 2 is an exploded perspective view of the conductive end of the original toner cartridge shown in Figure 1.

Fig. 3 is a schematic view showing the bottom structure of the inner connecting member provided by the present invention.

Figure 4 is a top plan view of the inner connecting member shown in Figure 3.

Fig. 5 is a schematic view showing the bottom structure of the outer connecting member provided by the present invention.

Figure 6 is a top plan view of the outer connecting member shown in Figure 3.

Fig. 7 is a partial structural view showing the conductive end of a regenerated toner cartridge of the present invention.

Figure 8 is an end elevational view of the reconstituted toner cartridge of Figure 7.

Fig. 9 is a cross-sectional view taken along line A-A of Fig. 8;

Fig. 10 is a partial enlarged view of B of Fig. 9;

Embodiments of the invention

The toner cartridge regeneration method of the present invention comprises the following steps:

Referring to FIG. 1 and FIG. 2, the welding joints of the three connecting

protrusions

21, 22, 23 and the conductive end cover 1 on the conductive end face 24 of the powder bin 2 are cut by a milling machine or other milling tools to make the powder bin 2 and the conductive material. The end caps 1 are separated and the three connecting

projections

21, 22, 23 are exposed.

Referring to Figures 3 to 6, three inner connecting members 3 and three outer connecting members 4 are provided. The central positions of the inner connecting member 3 and the outer connecting member 4 respectively have

screw holes

31, 41; in this embodiment, the inner connecting The component 3 and the outer connecting component 4 are substantially cylindrical, and the bottom surface 35 of the inner connecting component 3 is recessed inwardly to form a first cylindrical recess 32, and the central surface of the top surface 36 of the inner connecting component 3 is convex outward to form a first cylinder. The bottom surface 45 of the outer connecting member 4 is recessed inwardly to form a second cylindrical recess 42. The bottom surface of the second cylindrical recess 42 protrudes outward to form a second cylindrical boss 43 for external connection. The central portion of the top surface 46 of the member 4 is recessed inwardly to form a third cylindrical recess 47.

The three inner connecting members 3 are respectively tightly fitted on the three connecting

projections

21, 22, 23 in an interference fit manner so that the inner circumferential surface 34 of each of the first cylindrical recesses 32 and the corresponding connecting projection 21 The outer circumferential surface 25 of the 22, 23 is matched.

The three outer connecting members 4 are respectively fitted into the three circular through

holes

11, 12, 13 on the conductive end cover 1, so that the outer circumferential surface 44 of each outer connecting member 4 and the corresponding circular through

holes

11, 12 The inner

circumferential faces

111, 121, 131 of the 13 are engaged, and the top surface of the second cylindrical boss 43 inside the outer connecting member 4 abuts against the top surface of the first cylindrical boss 33 of the inner connecting member 3.

Referring to FIGS. 7 to 10, a connecting screw 5 is provided, and each of the inner connecting members 3 and the outer connecting member 4 are fixedly connected by a connecting screw 5, thereby assembling the powder container 2 and the conductive end cover 1 together, thereby forming the present invention. Recycled toner cartridge.

According to the regenerated toner cartridge obtained by the above regeneration method, the powder bin 2 and the conductive end cap 1 portion can be easily and reliably connected together, and the separation of the two and the regeneration of the toner cartridge are facilitated.

The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept. The scope of protection.

Industrial applicability

The invention also provides a toner cartridge regeneration method for facilitating multiple recycling and reuse of the toner cartridge, and a recycled toner cartridge obtained by the method, which solves the problem between the conductive end cover and the powder container of the toner cartridge Assembly and disassembly problems can facilitate multiple recycling and reuse of toner cartridge products, and can effectively save resources.

Claims

A toner cartridge recycling method, the toner cartridge comprising a powder silo and a conductive end cap fixedly connected to the conductive end of the powder silo, the conductive end surface of the powder silo having a cylindrical connecting protrusion, the conductive The end cap has a circular through hole, and the connecting protrusion and the conductive end cover are welded together by a welding process, wherein the regeneration method comprises the following steps:

Cutting the connecting protrusion and the welded end of the conductive end cover to separate the powder chamber from the conductive end cover and exposing the connecting protrusion;

Providing an inner connecting part and an outer connecting part, the inner position of the inner connecting part and the outer connecting part respectively having screw holes;

Engaging the inner connecting member on the connecting protrusion in an interference fit manner;

Inserting the outer connecting member into a circular through hole on the conductive end cover;

A connecting screw is provided, and the inner connecting member is fixedly coupled to the outer connecting member by the connecting screw, thereby assembling the powder container and the conductive end cover together.
The toner cartridge recycling method according to claim 1, wherein the inner connecting member and the outer connecting member are substantially cylindrical, and a bottom surface of the inner connecting member is recessed to form a first cylindrical recess, a top surface of the inner connecting member protrudes outwardly to form a first cylindrical boss; a bottom surface of the outer connecting member is recessed to form a second cylindrical recess, and a bottom surface of the second cylindrical recess is outwardly The protrusion forms a second cylindrical boss, and the center of the top surface of the outer connecting member is recessed inward to form a third cylindrical groove.
The toner cartridge recycling method according to claim 2, wherein in the step of tightening the inner connecting member to the connecting projection, the inner circumferential surface of the first cylindrical recess is The outer circumferential surface of the connecting protrusion cooperates.
The toner cartridge recycling method according to claim 2, wherein in the step of loading the outer connecting member into the circular through hole, the outer circumferential surface of the outer connecting member and the circle are The inner circumferential surface of the through hole is fitted.
The toner cartridge recycling method according to any one of claims 1 to 4, characterized in that the number of the connection projections, the inner connecting member and the outer connecting member are each three.
A regenerated toner cartridge comprising a powder silo and a conductive end cap fixedly connected to the conductive end of the powder silo, the conductive end surface of the powder silo having a cylindrical connecting protrusion, the conductive end cap having a circular shape Through hole

The remanufactured toner cartridge further includes an inner connecting member, an outer connecting member and a connecting screw, wherein the inner positions of the inner connecting member and the outer connecting member respectively have screw holes that cooperate with the connecting screws;

The inner connecting member is tightly sleeved on the connecting protrusion in an interference fit manner;

The outer connecting member is located in the circular through hole and is formed in a fixed connection with the inner connecting member by the connecting screw.
A regenerated toner cartridge according to claim 1, wherein said inner connecting member and said outer connecting member are substantially cylindrical, and said bottom connecting portion of said inner connecting member is recessed inwardly to form a first cylindrical recess, said inner portion a top surface of the connecting member protrudes outwardly to form a first cylindrical boss; a bottom surface of the outer connecting member is recessed to form a second cylindrical groove, and a bottom surface of the second cylindrical groove is convex outward Forming a second cylindrical boss, the top surface of the outer connecting member is recessed inwardly to form a third cylindrical recess.
The regenerated toner cartridge according to claim 7, wherein an inner circumferential surface of said first cylindrical recess is engaged with an outer circumferential surface of said coupling projection.
The regenerated toner cartridge according to claim 7, wherein an outer circumferential surface of said outer connecting member is fitted to an inner circumferential surface of said circular through hole.
The regenerated toner cartridge according to any one of claims 6 to 9, characterized in that the number of the connection projections, the inner connecting member and the outer connecting member are each three.