Developing roller assembly assembling apparatus and laser printer assembling system

Abstract

The embodiment of the application provides a kind of developing roller assembly equipment and laser printer assembly system, belong to developing roller processing technical field, the assembly equipment of developing roller assembly includes: developing roller feeding device, protection bracket feeding device, protection bracket includes with the first installation slot of developing roller matching, assembly device, assembly device includes first transmission component, second transmission component and third transmission component, third transmission component includes multiple with transmission protection bracket matching jig, first transmission component is used to transmit protection bracket in protection bracket feeding device to corresponding jig, second transmission component is used to transmit developing roller in developing roller feeding device to third transmission component and is assembled into corresponding protection bracket first installation slot.The embodiment of the application can be under the joint action of developing roller feeding device, protection bracket feeding device, assembly device and control device, control protection bracket and developing roller are automatically assembled, effectively improve developing roller assembly speed and quality.

Description

Technical Field

[0001] This application belongs to the field of developing roller processing technology, and in particular relates to developing roller assembly equipment and laser printer assembly system. Background Technology

[0002] The developing roller assembly is one of the core components of a laser printer or copier. Its main function is to transfer toner onto the photosensitive drum to form a visible toner image, ultimately completing the printing process. The developing roller assembly includes the developing roller and its protective bracket. Currently, the developing roller assembly is assembled manually, which is very time-consuming and results in inconsistent assembly quality. Utility Model Content

[0003] The purpose of this application is to provide assembly equipment for developing roller assemblies and a laser printer assembly system, which can automate the assembly of developing roller assemblies, thereby improving the assembly speed and quality of developing roller assemblies.

[0004] In a first aspect, embodiments of the present invention provide an assembly apparatus for a developing roller assembly, comprising:

[0005] A developing roller feeding device, which is used to convey a developing roller;

[0006] A protective bracket feeding device is used to convey a protective bracket, wherein the protective bracket includes a first mounting groove that matches the developing roller;

[0007] An assembly device, comprising a first conveying component, a second conveying component, and a third conveying component, wherein the third conveying component includes a plurality of fixtures that match the protective bracket; the first conveying component is used to convey the protective bracket in the protective bracket feeding device to the corresponding fixture; the second conveying component is used to convey the developing roller in the developing roller feeding device to the third conveying component and assemble it into the first mounting slot of the corresponding protective bracket.

[0008] The control device is electrically connected to the developing roller feeding device, the protective bracket feeding device, the first conveying component, the second conveying component, and the third conveying component.

[0009] According to some embodiments of the first aspect of this utility model, the developing roller feeding device includes:

[0010] The fourth conveying component is provided with multiple limiting components. Each limiting component includes a first limiting groove and a second limiting groove that correspond to each other. The first limiting groove and the second limiting groove are used to limit the two ends of the developing roller, respectively. The conveying direction of the fourth conveying component is the same as that of the third conveying component.

[0011] A first rubber ring conveying device, wherein the first conveying port of the first rubber ring conveying device faces the first limiting groove.

[0012] The second conveying device for the second rubber ring has its second conveying port facing the second limiting groove. The first conveying device for the first rubber ring and the second conveying device for the second rubber ring are located at the end of the fourth conveying assembly near the protective bracket feeding device.

[0013] A first rubber ring assembly device is used to insert a rubber ring in the first conveying port into one end of the developing roller located in the first limiting groove.

[0014] The second rubber ring assembly device is used to insert the rubber ring in the second conveying port into one end of the developing roller located in the second limiting groove.

[0015] According to some embodiments of the first aspect of this utility model, the assembly equipment for the developing roller assembly includes:

[0016] The first rubber ring conveying device includes a first vibrating plate and a first spiral inclined wall. The first vibrating plate is used to hold the rubber ring. The first spiral inclined wall surrounds the inner wall of the first vibrating plate. One bottom end of the first spiral inclined wall is connected to the inner bottom of the first vibrating plate, and one top end of the first spiral inclined wall is aligned with the first conveying port.

[0017] The second rubber ring conveying device includes a second vibrating disk and a second spiral inclined wall. The second vibrating disk is used to hold the rubber ring. The second spiral inclined wall surrounds the inner wall of the second vibrating disk. One bottom end of the second spiral inclined wall is connected to the inner bottom of the second vibrating disk, and one top end of the second spiral inclined wall is aligned with the second conveying port.

[0018] According to some embodiments of the first aspect of the present invention, the first transmission component includes:

[0019] First lifting device;

[0020] First pushing device;

[0021] The first slide rail is perpendicular to the conveying direction of the third conveying component;

[0022] The first gripper assembly includes a first gripper and a first gripper fixing rod. The first gripper fixing rod is connected to the first gripper via the first lifting device. The end of the first gripper fixing rod away from the first lifting device is slidably connected to the first slide rail via the first pushing device.

[0023] According to some embodiments of the first aspect of the present invention, the second transmission component includes:

[0024] Second lifting device;

[0025] Second push device;

[0026] The second slide rail is perpendicular to the conveying direction of the third conveying component;

[0027] The second gripper assembly includes a second gripper and a second gripper fixing rod. The second gripper fixing rod is connected to the second gripper via the second lifting device. The end of the second gripper fixing rod away from the second lifting device is slidably connected to the second slide rail via the second pushing device.

[0028] According to some embodiments of the first aspect of this utility model, the assembly equipment for the developing roller assembly further includes:

[0029] An end cap assembly device, wherein the protective bracket feeding device, the developing roller feeding device, and the end cap assembly device are sequentially arranged on one side of the assembly device along the conveying direction of the third conveying component;

[0030] The fifth conveying component is used to convey the end cap in the end cap assembly device to the third conveying component and assemble it into the second mounting slot of the corresponding protective bracket that matches the end cap.

[0031] According to some embodiments of the first aspect of the present invention, the end cap includes a through hole, a screw is inserted into the through hole, and the end cap assembly device includes:

[0032] An electric screwdriver, wherein the screwdriver tip is matched with the screw;

[0033] A sixth transmission component is connected to the end of the electric screwdriver away from the screwdriver head, wherein the electric screwdriver moves closer to or further away from the third transmission component under the drive of the sixth transmission component.

[0034] The assembly equipment for the developing roller assembly according to the first aspect of the present invention has at least the following beneficial effects: a developing roller feeding device for conveying the developing roller; a protective bracket feeding device for conveying the protective bracket, wherein the protective bracket includes a first mounting groove matching the developing roller; an assembly device including a first conveying component, a second conveying component, and a third conveying component, wherein the third conveying component includes a plurality of fixtures matching the protective bracket, the first conveying component for conveying the protective bracket from the protective bracket feeding device to the corresponding fixture, the second conveying component for conveying the developing roller from the developing roller feeding device to the third conveying component and assembling it into the first mounting groove of the corresponding protective bracket; and a control device electrically connected to the developing roller feeding device, the protective bracket feeding device, the first conveying component, the second conveying component, and the third conveying component. According to the technical solution of this application, the protective bracket and the developing roller can be automatically assembled under the combined action of the developing roller feeding device, the protective bracket feeding device, the assembly device and the control device. Compared with the solution of manually assembling the developing roller and the protective bracket, the assembly speed and assembly quality of the developing roller and the protective bracket are effectively improved.

[0035] Secondly, embodiments of the present invention provide a laser printer assembly system, including the assembly equipment for the developing roller assembly described in any one of the embodiments of the first aspect.

[0036] The laser printer assembly system according to the second aspect of this utility model has at least the following beneficial effects: the assembly equipment of the developing roller assembly of the first aspect embodiment enables the developing roller and the protective bracket to be automatically assembled, thereby improving the assembly speed and assembly quality of the developing roller assembly.

[0037] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the description, claims, and drawings. Attached Figure Description

[0038] Figure 1 This application provides a front view of an assembly apparatus for a developing roller assembly according to an embodiment;

[0039] Figure 2 This application provides a schematic diagram of the structure of a first transmission component according to an embodiment;

[0040] Figure 3 This application provides a schematic diagram of the structure of a second transmission component according to an embodiment;

[0041] Figure 4 This application provides a schematic diagram of the structure of an end cap assembly device and a fifth conveying component according to an embodiment.

[0042] Figure label:

[0043] The components include: a developing roller feeding device 100, a protective bracket feeding device 200, a first conveying assembly 310, a first lifting device 311, a first pushing device 312, a first slide rail 313, a first gripper fixing rod 314, a first gripper 315, a second conveying assembly 320, a second lifting device 321, a second pushing device 322, a second slide rail 323, a second gripper assembly 324, a third conveying assembly 330, a fixture 331, a developing roller 400, a protective bracket 500, an end cap assembly device 600, an electric screwdriver 610, a sixth conveying assembly 620, and a fifth conveying assembly 700. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0045] It should be noted that the terms "length", "width", "height", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", and "tail" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0046] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "attachment," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Additionally, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0048] The developing roller assembly is one of the core components of a laser printer or copier. Its main function is to transfer toner onto the photosensitive drum to form a visible toner image, ultimately completing the printing process. The developing roller assembly includes the developing roller and its protective bracket. Currently, the developing roller assembly is assembled manually, which is very time-consuming and results in inconsistent assembly quality.

[0049] Based on this, the present application provides an assembly apparatus for a developing roller assembly, comprising:

[0050] The developing roller feeding device is used to convey the developing roller.

[0051] A protective bracket feeding device is used to convey a protective bracket, wherein the protective bracket includes a first mounting groove that matches the developing roller;

[0052] An assembly device, comprising a first conveying component, a second conveying component, and a third conveying component, wherein the third conveying component includes multiple fixtures that match the protective bracket; the first conveying component is used to convey the protective bracket in the protective bracket feeding device to the corresponding fixture; and the second conveying component is used to convey the developing roller in the developing roller feeding device to the third conveying component and assemble it into the first mounting slot of the corresponding protective bracket.

[0053] The control device is electrically connected to the developing roller feeding device, the protective bracket feeding device, the first conveying assembly, the second conveying assembly, and the third conveying assembly, respectively.

[0054] Therefore, the assembly equipment for the developing roller assembly in this application includes a developing roller feeding device for conveying the developing roller; a protective bracket feeding device for conveying the protective bracket, wherein the protective bracket includes a first mounting groove that matches the developing roller; an assembly device including a first conveying component, a second conveying component, and a third conveying component, wherein the third conveying component includes multiple fixtures that match the protective bracket; the first conveying component conveys the protective bracket from the protective bracket feeding device to the corresponding fixture; the second conveying component conveys the developing roller from the developing roller feeding device to the third conveying component and assembles it into the first mounting groove of the corresponding protective bracket; and a control device electrically connected to the developing roller feeding device, the protective bracket feeding device, the first conveying component, the second conveying component, and the third conveying component. According to the technical solution of this application, the assembly of the protective bracket and the developing roller can be automatically controlled under the combined action of the developing roller feeding device, the protective bracket feeding device, the assembly device, and the control device, effectively improving the assembly speed and quality of the developing roller and the protective bracket compared to manual assembly.

[0055] Understandably, referring to Figure 1 As shown, since the control device is electrically connected to the developing roller 400 feeding device 100, the protective bracket 500 feeding device 200, the first conveying component 310, the second conveying component 320, and the third conveying component 330 respectively, when the control device is powered on, it controls the protective bracket 500 feeding device 200 to convey the protective bracket 500 while simultaneously conveying the protective bracket 500 on the protective bracket 500 device to the fixture 331 of the third conveying component 330 through the first conveying component 310. Then, it controls the developing roller 400 feeding device 100 to convey the developing roller 400 while simultaneously conveying the developing roller 400 of the developing roller 400 feeding device 100 to the third conveying component 330 through the second conveying component 320 and assembling it into the first mounting slot of the corresponding protective bracket 500, so as to realize the automated assembly of the developing roller 400 and the protective bracket 500.

[0056] In some embodiments, the developing roller feeding device includes:

[0057] The fourth conveying component is provided with multiple limiting components, including a first limiting groove and a second limiting groove that correspond to each other. The first limiting groove and the second limiting groove are used to limit the two ends of the developing roller respectively. The conveying direction of the fourth conveying component is the same as that of the third conveying component.

[0058] The first rubber ring conveying device has its first conveying port facing the first limiting groove.

[0059] The second rubber ring conveying device has its second conveying port facing the second limiting groove. The first rubber ring conveying device and the second rubber ring conveying device are located at the end of the fourth conveying assembly near the protective bracket feeding device.

[0060] The first rubber ring assembly device is used to insert the rubber ring in the first conveying port into one end of the developing roller located in the first limiting groove.

[0061] The second rubber ring assembly device is used to insert the rubber ring in the second conveying port into one end of the developing roller located in the second limiting groove.

[0062] Understandably, when the fourth conveying component is powered on, it limits and conveys both ends of the developing roller based on the first and second limiting grooves. During the process of the fourth conveying component conveying the developing roller, the first rubber ring conveying device conveys the rubber ring to the first limiting groove, and the first rubber ring assembly device inserts the rubber ring at the first limiting groove into one end of the developing roller in the first limiting groove. Similarly, the rubber ring at the second limiting groove is inserted into one end of the developing roller in the second limiting groove. This can automatically assemble the rubber rings at both ends of the developing roller, improving the efficiency of manually assembling the rubber rings at both ends of the developing roller.

[0063] It is understood that the rubber rings provided at both ends of the developing roller in this embodiment can reduce wear on the developing roller during use, thereby protecting the developing roller.

[0064] In some embodiments, the assembly equipment for the developing roller assembly includes:

[0065] The first rubber ring conveying device includes a first vibrating plate and a first spiral inclined wall. The first vibrating plate is used to hold the rubber ring. The first spiral inclined wall surrounds the inner wall of the first vibrating plate. One bottom end of the first spiral inclined wall is connected to the inner bottom of the first vibrating plate, and one top end of the first spiral inclined wall is aligned with the first conveying port.

[0066] The second rubber ring conveying device includes a second vibrating plate and a second spiral inclined wall. The second vibrating plate is used to hold the rubber ring. The second spiral inclined wall surrounds the inner wall of the second vibrating plate. One bottom end of the second spiral inclined wall is connected to the inner bottom of the second vibrating plate, and one top end of the second spiral inclined wall is aligned with the second conveying port.

[0067] It is understood that, in the embodiments of this application, when the first vibratory feeder is energized, the first vibratory feeder vibrates, causing the rubber ring supported at the bottom of the first vibratory feeder to vibrate. The rubber ring can move upward along the first spiral inclined wall, thereby conveying the rubber ring to the top of the first spiral inclined wall and aligning it with the first conveying port, thus realizing the automated conveying of the rubber ring to the first conveying port. Similarly, the structure of the second rubber ring conveying device is the same as that of the first rubber ring conveying device. The specific structure of the second rubber ring conveying device is referred to the above embodiments and will not be repeated here.

[0068] In some embodiments, the first transmission component includes:

[0069] First lifting device;

[0070] First pushing device;

[0071] The first slide rail is perpendicular to the conveying direction of the third conveying component;

[0072] The first gripper assembly includes a first gripper and a first gripper fixing rod. The first gripper fixing rod is connected to the first gripper via a first lifting device. The end of the first gripper fixing rod away from the first lifting device is slidably connected to the first slide rail via a first pushing device.

[0073] Understandably, referring to Figure 2 As shown, in this embodiment of the application, when the first conveying component 310 is powered on, the first pushing device 312 moves along the direction of the first slide rail 313 and approaches the protective bracket 500 feeding device 200. After the first lifting device 311 drives the first gripper 315 to descend and grab the protective bracket 500, the first lifting device 311 drives the first gripper 315 to rise and reset. Then, the first pushing device 312 moves along the direction of the first slide rail 313 and approaches the third conveying component 330. The first lifting device 311 drives the first gripper 315 to descend and assemble the protective bracket 500 into the corresponding fixture 331, so as to realize the automatic conveying of the protective bracket 500 to the fixture 331 by the first conveying component 310.

[0074] In some embodiments, the second transmission component includes:

[0075] Second lifting device;

[0076] Second push device;

[0077] The second slide rail is perpendicular to the conveying direction of the third conveying component;

[0078] The second gripper assembly includes a second gripper and a second gripper fixing rod. The second gripper fixing rod is connected to the second gripper via a second lifting device. The end of the second gripper fixing rod away from the second lifting device is slidably connected to the second slide rail via a second pushing device.

[0079] Understandably, referring to Figure 3 As shown, in this embodiment of the application, when the second conveying component 320 is powered on, the second pushing device 322 moves along the direction of the second slide rail 323 and approaches the developing roller 400 feeding device 100. After the second lifting device 321 drives the second gripper to descend and grab the developing roller 400, the second lifting device 321 drives the second gripper to rise and reset. Then, the second pushing device 322 moves along the direction of the second slide rail 323 and approaches the third conveying component 330. The second lifting device 321 drives the second gripper to descend and assemble the developing roller 400 into the mounting slot of the corresponding protective bracket 500, so as to realize the automatic assembly of the developing roller 400 into the mounting slot of the protective bracket 500 by the second conveying component 320.

[0080] In some embodiments, the assembly equipment for the developing roller assembly further includes:

[0081] The end cap assembly device, the protective bracket feeding device, the developing roller feeding device, and the end cap assembly device are sequentially arranged on one side of the assembly device along the conveying direction of the third conveying component.

[0082] The fifth conveying component is used to convey the end cap in the end cap assembly device to the third conveying component and assemble it into the second mounting slot of the corresponding protective bracket that matches the end cap.

[0083] Understandably, referring to Figure 4 As shown, in the embodiment of this application, when the fifth transmission component 700 is powered on, the fifth transmission component 700 transmits the end cap in the end cap assembly device 600 to the third transmission component 330 and assembles it into the second mounting slot of the corresponding protective bracket 500 that matches the end cap, so as to realize the automated assembly of the end cap.

[0084] Understandably, after the control device is powered on, the protective bracket is first fed into the third conveying assembly, then the developing roller is fed and assembled into the corresponding mounting slots of the protective bracket and the developing roller in the third conveying assembly, and finally the end cap is assembled through the end cap assembly device and the fifth conveying assembly.

[0085] In some embodiments, the end cap includes a through hole through which a screw is inserted, and the end cap assembly device includes:

[0086] Electric screwdriver, the screwdriver tip is matched with the screw;

[0087] The sixth transmission component is connected to the end of the electric screwdriver furthest from the screwdriver head, wherein the electric screwdriver moves closer to or further away from the third transmission component under the drive of the sixth transmission component.

[0088] Understandably, referring to Figure 4 As shown, when the protective bracket 500 of the developing roller assembly is equipped with an end cap, the electric screwdriver 610 is driven to move by the sixth conveying component 620, so that the tip of the electric screwdriver 610 is directed toward the position corresponding to the screw in the through hole of the end cap, thereby enabling the tip of the electric screwdriver 610 to tighten the screw, thereby fixing the end cap and the protective bracket 500 together, and thus realizing the automated assembly of the developing roller assembly.

[0089] This application provides a laser printer assembly system, including the assembly equipment for the developing roller assembly of any of the above embodiments.

[0090] It is understood that, according to the laser printer assembly system of the present application embodiments, the assembly equipment of the developing roller assembly in any of the above embodiments enables the developing roller and the protective bracket to be automatically assembled, thereby improving the assembly speed and assembly quality of the developing roller assembly.

[0091] It should be noted that the embodiments of this application do not limit any improvement of the method, and the functions that the device or apparatus can achieve are only based on the hardware architecture of the device or apparatus itself.

[0092] It should also be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. An assembly apparatus for a developing roller assembly, characterized in that, include: A developing roller feeding device, which is used to convey a developing roller; A protective bracket feeding device is used to convey a protective bracket, wherein the protective bracket includes a first mounting groove that matches the developing roller; An assembly device, comprising a first conveying component, a second conveying component, and a third conveying component, wherein the third conveying component includes a plurality of fixtures that match the protective bracket; the first conveying component is used to convey the protective bracket in the protective bracket feeding device to the corresponding fixture; the second conveying component is used to convey the developing roller in the developing roller feeding device to the third conveying component and assemble it into the first mounting slot of the corresponding protective bracket. The control device is electrically connected to the developing roller feeding device, the protective bracket feeding device, the first conveying component, the second conveying component, and the third conveying component.

2. The assembly equipment for the developing roller assembly according to claim 1, characterized in that, The developing roller feeding device includes: The fourth conveying component is provided with multiple limiting components. Each limiting component includes a first limiting groove and a second limiting groove that correspond to each other. The first limiting groove and the second limiting groove are used to limit the two ends of the developing roller, respectively. The conveying direction of the fourth conveying component is the same as that of the third conveying component. A first rubber ring conveying device, wherein the first conveying port of the first rubber ring conveying device faces the first limiting groove. The second conveying device for the second rubber ring has its second conveying port facing the second limiting groove. The first conveying device for the first rubber ring and the second conveying device for the second rubber ring are located at the end of the fourth conveying assembly near the protective bracket feeding device. A first rubber ring assembly device is used to insert the rubber ring in the first conveying port into one end of the developing roller located in the first limiting groove. The second rubber ring assembly device is used to insert the rubber ring in the second conveying port into one end of the developing roller located in the second limiting groove.

3. The assembly equipment for the developing roller assembly according to claim 2, characterized in that, include: The first rubber ring conveying device includes a first vibrating plate and a first spiral inclined wall. The first vibrating plate is used to hold the rubber ring. The first spiral inclined wall surrounds the inner wall of the first vibrating plate. One bottom end of the first spiral inclined wall is connected to the inner bottom of the first vibrating plate, and one top end of the first spiral inclined wall is aligned with the first conveying port. The second rubber ring conveying device includes a second vibrating disk and a second spiral inclined wall. The second vibrating disk is used to hold the rubber ring. The second spiral inclined wall surrounds the inner wall of the second vibrating disk. One bottom end of the second spiral inclined wall is connected to the inner bottom of the second vibrating disk, and one top end of the second spiral inclined wall is aligned with the second conveying port.

4. The assembly equipment for the developing roller assembly according to claim 1, characterized in that, The first transmission component includes: First lifting device; First pushing device; The first slide rail is perpendicular to the conveying direction of the third conveying component; The first gripper assembly includes a first gripper and a first gripper fixing rod. The first gripper fixing rod is connected to the first gripper via the first lifting device. The end of the first gripper fixing rod away from the first lifting device is slidably connected to the first slide rail via the first pushing device.

5. The assembly equipment for the developing roller assembly according to claim 1, characterized in that, The second transmission component includes: Second lifting device; Second push device; The second slide rail is perpendicular to the conveying direction of the third conveying component; The second gripper assembly includes a second gripper and a second gripper fixing rod. The second gripper fixing rod is connected to the second gripper via the second lifting device. The end of the second gripper fixing rod away from the second lifting device is slidably connected to the second slide rail via the second pushing device.

6. The assembly equipment for the developing roller assembly according to claim 1, characterized in that, Also includes: An end cap assembly device, wherein the protective bracket feeding device, the developing roller feeding device, and the end cap assembly device are sequentially arranged on one side of the assembly device along the conveying direction of the third conveying component; The fifth conveying component is used to convey the end cap in the end cap assembly device to the third conveying component and assemble it into the second mounting slot of the corresponding protective bracket that matches the end cap.

7. The assembly equipment for the developing roller assembly according to claim 6, characterized in that, The end cap includes a through hole through which a screw is inserted. The end cap assembly device includes: An electric screwdriver, wherein the screwdriver tip is matched with the screw; A sixth transmission component is connected to the end of the electric screwdriver away from the screwdriver head, wherein the electric screwdriver moves closer to or further away from the third transmission component under the drive of the sixth transmission component.

8. A laser printer assembly system, characterized in that, Assembly equipment including the developing roller assembly as described in any one of claims 1 to 7.

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