Processing box

Abstract

The utility model provides a processing box which comprises a powder supply bin, a developing roller, a rotary driving head, a driving gear, a left end cover and a right end cover, the powder supply bin comprises a shell and a cover body, and two ends of the developing roller are rotatably supported on a first end wall and a second end wall which are oppositely arranged on the shell; the right end cover and the cover body are integrally injection-molded; or, the right end cover and the shell are integrally formed through injection molding, so that the right end cover forms the first end wall of the shell; a boss structure is arranged on the outer side of the right end cover in a protruding mode, the left end cover covers the outer side of the second end wall, the rotary driving head is rotatably supported on the second end wall, a first-stage gear is arranged at the transmission end of the rotary driving head, and the first-stage gear is located between the second end wall and the left end cover; the receiving end of the rotary driving head is rotatably arranged in the retaining hole of the left end cover in a penetrating manner; and the driving gear sleeves one end, penetrating out of the second end wall, of the developing roller and is meshed with the primary gear. The processing box disclosed by the utility model can effectively save the production cost and is stable and reliable in product performance.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic photographic imaging printing, in particular to a processing box which is detachably installed on an electronic photographic imaging device. Background Art

[0002] Electrophotographic imaging devices such as laser printers, copiers, fax machines, image processors, etc., are devices that use the principle of electrophotography to form images on image forming media such as paper through processes such as charging, exposure, development, transfer, fixing, and cleaning. Typically, imaging devices use a process cartridge that is detachably installed therein to provide toner.

[0003] The existing processing box includes a powder supply bin, a developing roller, a rotary drive assembly, a left end cover and a right end cover. The developing roller is rotatably supported on the two end walls of the powder supply bin. The rotary drive assembly is used to drive the powder supply roller and the developing roller to rotate. The left end cover and the right end cover are respectively located at the two ends of the powder supply bin in the axial direction of the developing roller. The left end cover is used to support the rotary drive assembly, and the right end cover is provided with a boss structure for matching and mounting with the imaging device. Among them, the powder supply bin itself includes a shell and a cover body, and the shell and the cover body are connected to form a cavity for accommodating carbon powder.

[0004] Since the shell and cover of the existing powder supply bin, as well as the left end cover and the right end cover are all independent plastic parts, the cost of opening a separate production mold is greatly increased, thereby increasing the production cost of the processing box. Utility Model Content

[0005] In order to achieve the main purpose of the utility model, the utility model provides a processing box which can effectively save production costs and has stable and reliable product performance.

[0006] In order to achieve the main purpose of the utility model, the utility model provides a processing box, including a powder supply bin, a developing roller, a rotating drive head, a driving gear, a left end cover and a right end cover, the powder supply bin includes a shell and a cover body, the shell and the cover body are connected to form a cavity for accommodating carbon powder, and the two ends of the developing roller are rotatably supported on the first end wall and the second end wall of the shell that are oppositely arranged; the right end cover and the cover body are integrally injection molded; or, the right end cover and the shell are integrally injection molded so that the right end cover constitutes the first end wall of the shell; the outer side of the right end cover is protrudingly provided with a boss structure for matching and mounting with an imaging device, the left end cover is covered on the outer side of the second end wall, the rotating drive head is rotatably supported on the second end wall, and the transmission end of the rotating drive head is provided with a primary gear, which is located between the second end wall and the left end cover; the receiving end of the rotating drive head is rotatably penetrated in the retaining hole of the left end cover and is used to receive the driving force of the imaging device, and the driving gear is sleeved on one end of the developing roller passing through the second end wall and meshes with the primary gear.

[0007] It can be seen from the above scheme that the receiving end of the rotary drive head of the processing box of the utility model can be rotatably inserted into the retaining hole of the left end cover, so that the receiving end of the rotary drive head is stably supported by the retaining hole of the left end cover, and the receiving end of the rotary drive head receives the driving force of the imaging device, so that the rotary drive head rotates, thereby driving the primary gear on the transmission end of the rotary drive head to rotate, and because the driving gear is sleeved on one end of the developing roller passing through the second end wall and meshes with the primary gear, the developing roller is synchronously driven to rotate to perform the developing work, so that the working performance of the processing box product is stable and reliable. In addition, compared with the existing right end cover and cover body, which are both independent plastic parts and need to be separately produced. The right end cover of the processing box of the utility model is integrally injection molded with the cover body of the powder supply bin, or the right end cover of the processing box of the utility model is integrally injection molded with the shell, so that the right end cover constitutes the first end wall of the shell, so that the right end cover of the processing box and the cover body or shell of the powder supply bin only need to open an injection production mold for injection molding, thereby saving the cost of opening a separate mold for parts, and thus effectively saving production costs. Therefore, the processing box of the utility model can effectively save production costs, and the product performance is stable and reliable.

[0008] A further solution is that the cover body is penetrated by a first positioning hole and a second positioning hole, the first positioning hole and the second positioning hole are respectively located at two ends of the cover body in the axial direction of the developing roller, and the end surfaces where the shell and the cover body are fitted are protrudingly provided with a first positioning column and a second positioning column, the first positioning column is inserted through the first positioning hole, and the second positioning column is inserted through the second positioning hole.

[0009] A further solution is that the processing box also includes a stirring frame, a transfer gear and a transmission gear. The two ends of the stirring frame are rotatably supported on the first end wall and the second end wall of the shell body that are opposite to each other, and the stirring frame is located in the cavity; the transfer gear is rotatably supported on the second end wall and is located between the second end wall and the left end cover, the transfer gear includes a first gear and a second gear, the pitch circle diameter of the first gear is larger than the pitch circle diameter of the second gear, and the first gear is meshed with the primary gear, and the transmission gear is sleeved on one end of the stirring frame that passes through the second end wall and is meshed with the second gear.

[0010] A further solution is that the right end cover is integrally injection molded with the cover body, and a ring sleeve is protruding from the inner side of the right end cover, and the other end of the stirring frame passing through the first end wall can be rotatably retained in the axial hole of the ring sleeve.

[0011] A further solution is that the right end cover is integrally injection molded with the shell, so that the right end cover constitutes a first end wall of the shell; a through hole is penetrated through the right end cover, and the other end of the stirring frame can be rotatably held in the through hole.

[0012] A further solution is that the processing box also includes a powder supply roller and a transmission gear, the two ends of the powder supply roller are rotatably supported on the first end wall and the second end wall of the shell body that are opposite to each other, and the powder supply roller is located in the cavity and is adjacent to the developing roller; the transmission end of the rotary drive head is also provided with a secondary gear located between the second end wall and the left end cover, the pitch circle diameter of the secondary gear is smaller than the pitch circle diameter of the primary gear, and the transmission gear is sleeved on the end of the powder supply roller that passes through the second end wall and is meshed with the secondary gear.

[0013] A further solution is that the right end cover is integrally injection molded with the shell so that the right end cover constitutes a first end wall of the shell; the processing box also includes a first conductive end cover, a first end of the first conductive end cover is provided with a first electrical contact platform, and the first electrical contact platform is used to contact the first electrical contact of the imaging device; the second end of the first conductive end cover is electrically connected to the powder supply roller, and the first conductive end cover and the right end cover are integrally injection molded.

[0014] A further solution is that the processing box also includes a second conductive end cover, a first end of the second conductive end cover is provided with a second electrical contact platform, and the second electrical contact platform is used to contact the second electrical contact point of the imaging device; the second end of the second conductive end cover is electrically connected to the developing roller, and the second conductive end cover and the right end cover are integrally injection molded.

[0015] A further solution is that the processing box also includes a first conductive end cover, which is arranged on the outside of the right end cover, and a first electrical contact platform is provided at the first end of the first conductive end cover, and the first electrical contact platform is used to contact the first electrical contact of the imaging device, and a first conductive sleeve is provided at the second end of the first conductive end cover, and the first conductive sleeve is sleeved on one end of the powder supply roller passing through the first end wall.

[0016] A further solution is that the processing box also includes a second conductive end cover and an insulating support cover, the insulating support cover is arranged on the outside of the first conductive end cover, the second conductive end cover is arranged on the outside of the insulating support cover, and the first end of the second conductive end cover is provided with a second electrical contact platform, the second electrical contact platform is used to contact the second electrical contact of the imaging device, and the second end of the second conductive end cover is provided with a second conductive sleeve, and the second conductive sleeve is sleeved on one end of the developing roller passing through the first end wall and the insulating support cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram from a first viewing angle of the first embodiment of the processing box of the utility model.

[0018] Figure 2 It is a structural diagram from a second viewing angle of the first embodiment of the processing box of the utility model.

[0019] Figure 3 It is a cross-sectional view from a first viewing angle of the first embodiment of the processing box of the utility model.

[0020] Figure 4 It is a cross-sectional view from a second viewing angle of the first embodiment of the processing box of the utility model.

[0021] Figure 5 It is an exploded view of the first embodiment of the processing box of the utility model.

[0022] Figure 6 It is a structural diagram of the cover body in the first embodiment of the processing box of the utility model.

[0023] Figure 7 It is a structural diagram of a driving assembly formed by a rotating driving head in the first embodiment of the processing box of the utility model.

[0024] Figure 8 It is an exploded view of the conductive structure in the first embodiment of the processing box of the utility model.

[0025] Fig. 9 It is a structural diagram of the second embodiment of the processing box of the utility model.

[0026] Fig.10 It is an exploded view of the second embodiment of the processing box of the utility model.

[0027] Fig.11 It is a cross-sectional view of the second embodiment of the processing box of the utility model.

[0028] Fig.12 It is an exploded view of the third embodiment of the processing box of the utility model.

[0029] Fig.13 It is a structural diagram of a cover body in the third embodiment of a processing box of the utility model.

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0031] Processing box first embodiment:

[0032] See also Figures 1 to 8The present embodiment discloses a processing box 10, including a powder supply bin, a developing roller 13, a rotating driving head 151, a driving gear 154, a left end cover 15 and a right end cover 14. The powder supply bin includes a shell 12 and a cover 11, and a cavity for accommodating carbon powder is formed between the shell 12 and the cover 11. The two ends of the developing roller 13 are rotatably supported on the first end wall 121 and the second end wall 122 of the shell 12 that are oppositely arranged. Among them, the right end cover 14 of the present embodiment is integrally injection molded with the cover 11. In addition, the outer side of the right end cover 14 of the present embodiment is protrudingly provided with a boss structure 141 for matching and mounting with an imaging device, the left end cover 15 covers the outer side of the second end wall 122, the rotating driving head 151 is rotatably supported on the second end wall 122, and the transmission end of the rotating driving head 151 is provided with a first-stage gear 152, and the first-stage gear 152 is located between the second end wall 122 and the left end cover 15. In addition, the receiving end of the rotary driving head 151 of the present embodiment can be rotatably inserted into the retaining hole of the left end cover 15 and is used to receive the driving force of the imaging device. The driving gear 154 is sleeved on one end of the developing roller 13 that passes through the second end wall 122 and is meshed with the first-stage gear 152.

[0033] In this embodiment, the receiving end of the rotating drive head 151 of the processing box 10 can be rotatably inserted into the retaining hole of the left end cover 15, so that the receiving end of the rotating drive head 151 is stably supported by the retaining hole of the left end cover 15, and the receiving end of the rotating drive head 151 receives the driving force of the imaging device, so that the rotating drive head 151 rotates, thereby driving the primary gear 152 on the transmission end of the rotating drive head 151 to rotate. Since the driving gear 154 is sleeved on one end of the developing roller 13 that passes through the second end wall 122 and meshes with the primary gear 152, the developing roller 13 is synchronously driven to rotate to perform the developing work, so that the working performance of the processing box 10 product is stable and reliable. Moreover, compared with the existing right end cover and cover body which are both independent plastic parts and need to be produced separately, the right end cover 14 of the processing box 10 of this embodiment and the cover body 11 of the powder supply bin are integrally injection molded, so that the right end cover 14 of the processing box 10 and the cover body 11 of the powder supply bin only need to be produced by one injection production mold, thereby saving the cost of opening a separate mold for parts and components, and further effectively saving production costs. Therefore, the processing box 10 of this embodiment can effectively save production costs, and the product performance is stable and reliable.

[0034] In order to improve the matching accuracy between the shell body 12 and the cover body 11, and to improve the sealing of the cavity for accommodating carbon powder formed between the shell body 12 and the cover body 11, the cover body 11 of this embodiment is penetrated with a first positioning hole 111 and a second positioning hole 112, and the first positioning hole 111 and the second positioning hole 112 are respectively located at the two ends of the cover body 11 in the axial direction of the developing roller 13, and the end surfaces of the shell body 12 and the cover body 11 are protrudingly provided with a first positioning column 1211 and a second positioning column 1212, and the first positioning column 1211 is inserted through the first positioning hole 111, and the second positioning column 1212 is inserted through the second positioning hole 112.

[0035] Among them, the processing box 10 of this embodiment also includes a stirring frame 17, a transfer gear 156 and a transmission gear 157. The two ends of the stirring frame 17 are rotatably supported on the first end wall 121 and the second end wall 122 oppositely arranged on the shell 12, and the stirring frame 17 is located in the cavity, and the transfer gear 156 is rotatably supported on the second end wall 122 and is located between the second end wall 122 and the left end cover 15. The transfer gear 156 includes a first gear 1561 and a second gear 1562. The pitch circle diameter of the first gear 1561 is larger than the pitch circle diameter of the second gear 1562, and the first gear 1561 is meshed with the first-stage gear 152. The transmission gear 157 is sleeved on one end of the stirring frame 17 that passes through the second end wall 122 and is meshed with the second gear 1562, thereby stably transmitting the rotational driving force of the rotary driving head 151 to stably drive the stirring frame 17 to rotate, so that the stirring frame 17 stirs the carbon powder in the cavity, thereby improving the transmission stability and reliability of the rotational driving force.

[0036] Specifically, in this embodiment, a ring sleeve 142 is protruding from the inner side of the right end cover 14, and the other end of the stirring frame 17 passing through the first end wall 121 can be rotatably held in the axial hole of the ring sleeve 142, so that the other end of the stirring frame 17 passing through the first end wall 121 is stably held and supported by the axial hole of the ring sleeve 142 on the right end cover 14, which can improve the rotation working stability and reliability of the stirring frame 17.

[0037] In addition, the processing box 10 of this embodiment also includes a powder supply roller 16 and a transfer gear 155. The two ends of the powder supply roller 16 are rotatably supported on the first end wall 121 and the second end wall 122 of the shell 12 that are opposite to each other, and the powder supply roller 16 is located in the cavity and is adjacent to the developing roller 13. The transmission end of the rotary drive head 151 is also provided with a secondary gear 153 located between the second end wall 122 and the left end cover 15. The pitch circle diameter of the secondary gear 153 is smaller than the pitch circle diameter of the primary gear 152. The transfer gear 155 is sleeved on the end of the powder supply roller 16 that passes through the second end wall 122 and meshes with the secondary gear 153, thereby stably transmitting the rotational driving force of the rotary drive head 151 to stably drive the powder supply roller 16 to rotate, so that the powder supply roller 16 stably and reliably supplies toner to the developing roller 13 to improve the accuracy of powder supply.

[0038] In addition, the processing box 10 of this embodiment also includes a first conductive end cover 18, which is arranged on the outer side of the right end cover 14, and a first electrical contact platform 181 is provided at the first end of the first conductive end cover 18, and the first electrical contact platform 181 is used to contact the first electrical contact of the imaging device. The second end of the first conductive end cover 18 is provided with a first conductive sleeve 182, and the first conductive sleeve 182 is sleeved on one end of the powder supply roller 16 passing through the first end wall 121, so that the first conductive end cover 18 supplies the voltage of the first electrical contact of the imaging device to the powder supply roller 16 to ensure the working performance of the powder supply roller 16.

[0039] In addition, the processing box 10 of this embodiment also includes a second conductive end cover 110 and an insulating support cover 19. The insulating support cover 19 is arranged on the outer side of the first conductive end cover 18. The second conductive end cover 110 is arranged on the outer side of the insulating support cover 19, and the first end of the second conductive end cover 110 is provided with a second electrical contact platform 1101, and the second electrical contact platform 1101 is used to contact the second electrical contact of the imaging device. The second end of the second conductive end cover 110 is provided with a second conductive sleeve 1102, and the second conductive sleeve 1102 is sleeved on one end of the developing roller 13 passing through the first end wall 121 and the insulating support cover 19, so that the second conductive sleeve 1102 supplies the voltage of the second electrical contact of the imaging device to the developing roller 13 to ensure the working performance of the developing roller 13, and the insulating support cover 19 insulates and separates the second conductive end cover 110 from the first conductive end cover 18, so as to ensure that the first conductive end cover 18 and the second conductive end cover 110 respectively supply different voltages to the powder supply roller 16 and the developing roller 13 to avoid interference, thereby ensuring the stability and reliability of voltage transmission.

[0040] Processing box second embodiment:

[0041] As an explanation of the second embodiment of the processing box of the utility model, only the differences from the first embodiment of the processing box are explained below.

[0042] See also Figures 9 to 11 In this embodiment, the right end cover 14 of the processing box 20 is integrally injection molded with the shell 12, so that the right end cover 14 constitutes the first end wall 122 of the shell 12, so that the right end cover 14 of the processing box 20 and the shell 12 of the powder supply bin only need to open an injection production mold for injection molding, thereby saving the cost of opening a separate mold for parts, and thus effectively saving production costs.

[0043] Specifically, in this embodiment, a through hole 143 is formed through the right end cover 14, and the other end of the stirring frame 17 can be rotatably held in the through hole 143, so that the other end of the stirring frame 17 passing through the first end wall 122 is stably held and supported by the through hole 143 on the right end cover 14, which can improve the rotation working stability and reliability of the stirring frame 17.

[0044] Processing box third embodiment:

[0045] As an explanation of the third embodiment of the processing box of the utility model, only the differences from the second embodiment of the processing box are explained below.

[0046] See also Fig.12 and Fig.13 In this embodiment, the processing box 30 also includes a first conductive end cover 18, and a first electrical contact platform 181 is provided at the first end of the first conductive end cover 18. The first electrical contact platform 181 is used to contact the first electrical contact of the imaging device. The second end of the first conductive end cover 18 is electrically connected to the powder supply roller 16, and the first conductive end cover 18 and the right end cover 14 are integrally injection molded, so that the right end cover 14 of the processing box 30, the shell 12 of the powder supply bin and the first conductive end cover 18 only need to open an injection production mold for injection molding, which further saves the cost of opening molds for individual parts and further saves production costs.

[0047] Furthermore, the processing box 30 of this embodiment also includes a second conductive end cover 110, and the first end of the second conductive end cover 110 is provided with a second electrical contact platform 1101, and the second electrical contact platform 1101 is used to contact the second electrical contact of the imaging device, and the second end of the second conductive end cover 110 is electrically connected to the developing roller 13, and the second conductive end cover 110 and the right end cover 14 are integrally injection molded, so that the right end cover 14 of the processing box 30, the shell 12 of the powder supply bin, the first conductive end cover 18 and the second conductive end cover 110 only need to open an injection production mold for injection molding, which further saves the cost of opening molds for individual parts and further saves production costs.

[0048] The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structure, features and principles of the present invention should be included in the scope of the present invention patent application.

Claims

1. A process cartridge, comprising a powder supply bin, a developing roller, a rotating drive head, a driving gear, a left end cover and a right end cover, wherein the powder supply bin comprises a shell and a cover, wherein a cavity for accommodating toner is formed between the shell and the cover, and both ends of the developing roller are rotatably supported on a first end wall and a second end wall of the shell which are oppositely arranged, characterized in that: The right end cover is integrally injection-molded with the cover body; Alternatively, the right end cover is integrally injection-molded with the shell, so that the right end cover constitutes the first end wall of the shell; The outer side of the right end cover is protrudingly provided with a boss structure for fitting and mounting with an imaging device, the left end cover is covered on the outer side of the second end wall, the rotary drive head is rotatably supported on the second end wall, and a primary gear is provided at the transmission end of the rotary drive head, and the primary gear is located between the second end wall and the left end cover; The receiving end of the rotary drive head is rotatably inserted into the retaining hole of the left end cover and is used to receive the driving force of the imaging device. The driving gear is sleeved on one end of the developing roller passing through the second end wall and meshes with the primary gear.

2. The process cartridge according to claim 1, wherein: The cover body is penetrated by a first positioning hole and a second positioning hole, and the first positioning hole and the second positioning hole are respectively located at two ends of the cover body in the axial direction of the developing roller, and the end surfaces of the shell body and the cover body are protrudingly provided with a first positioning column and a second positioning column, the first positioning column is inserted through the first positioning hole, and the second positioning column is inserted through the second positioning hole.

3. The process cartridge according to claim 1, wherein: The processing box further comprises a stirring frame, a transfer gear and a transmission gear, wherein two ends of the stirring frame are rotatably supported on the first end wall and the second end wall of the shell which are oppositely arranged, and the stirring frame is located in the cavity; The transfer gear is rotatably supported on the second end wall and is located between the second end wall and the left end cover. The transfer gear includes a first gear and a second gear. The pitch circle diameter of the first gear is larger than the pitch circle diameter of the second gear, and the first gear is meshed with the primary gear. The transmission gear is sleeved on one end of the stirring frame passing through the second end wall and is meshed with the second gear.

4. The process cartridge according to claim 3, wherein: The right end cover is integrally injection-molded with the cover body, and a ring sleeve is protruding from the inner side of the right end cover. The other end of the stirring frame passing through the first end wall can be rotatably retained in the shaft hole of the ring sleeve.

5. The process cartridge according to claim 3, wherein: The right end cover is integrally injection-molded with the shell, so that the right end cover constitutes the first end wall of the shell; The right end cover is penetrated with a through hole, and the other end of the stirring frame can be rotatably held in the through hole.

6. The process cartridge according to any one of claims 1 to 5, characterized in that: The processing box also includes a powder supply roller and a transmission gear, the two ends of the powder supply roller are rotatably supported on the first end wall and the second end wall of the shell that are oppositely arranged, and the powder supply roller is located in the cavity and is adjacent to the developing roller; The transmission end of the rotary drive head is also provided with a secondary gear located between the second end wall and the left end cover, the pitch circle diameter of the secondary gear is smaller than the pitch circle diameter of the primary gear, and the transmission gear is sleeved on one end of the powder supply roller passing through the second end wall and meshes with the secondary gear.

7. The process cartridge according to claim 6, wherein: The right end cover is integrally injection-molded with the shell, so that the right end cover constitutes the first end wall of the shell; The process box further comprises a first conductive end cap, a first end of the first conductive end cap is provided with a first electrical contact stage, the first electrical contact stage is used to contact with a first electrical contact point of the imaging device; The second end of the first conductive end cover is electrically connected to the powder supply roller, and the first conductive end cover and the right end cover are integrally injection molded.

8. The process cartridge according to claim 7, wherein: The process box further comprises a second conductive end cap, a first end of the second conductive end cap is provided with a second electrical contact stage, the second electrical contact stage is used to contact with a second electrical contact point of the imaging device; The second end of the second conductive end cover is electrically connected to the developing roller, and the second conductive end cover is integrally injection-molded with the right end cover.

9. The process cartridge according to claim 6, wherein: The processing box also includes a first conductive end cover, which is arranged on the outer side of the right end cover, and a first end of the first conductive end cover is provided with a first electrical contact platform, and the first electrical contact platform is used to contact the first electrical contact point of the imaging device, and a first conductive sleeve is provided at the second end of the first conductive end cover, and the first conductive sleeve is sleeved on one end of the powder supply roller passing through the first end wall.

10. The process cartridge according to claim 9, wherein: The processing box also includes a second conductive end cover and an insulating support cover, wherein the insulating support cover is arranged on the outside of the first conductive end cover, the second conductive end cover is arranged on the outside of the insulating support cover, and the first end of the second conductive end cover is provided with a second electrical contact platform, the second electrical contact platform is used to contact the second electrical contact of the imaging device, and the second end of the second conductive end cover is provided with a second conductive sleeve, and the second conductive sleeve is sleeved on one end of the developing roller passing through the first end wall and the insulating support cover.

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