CN215895229U - Removable formation of image transfer means - Google Patents

Abstract

The present invention provides a replaceable image transfer device comprising: the transfer printing device comprises a transfer printing bracket, a transfer printing roller assembly, a transfer printing electrode assembly and a transfer printing grounding assembly, wherein the transfer printing roller assembly, the transfer printing electrode assembly and the transfer printing grounding assembly are arranged on the transfer printing bracket, and the transfer printing electrode assembly is arranged on one side of the transfer printing bracket, the front end and the rear end of the transfer printing roller assembly and is used for transmitting transfer printing voltage and eliminating static electricity on paper; the transfer grounding assembly is connected to the transfer electrode assembly for performing a grounding operation. The utility model has the advantages that a relatively independent imaging transfer printing device is designed according to different office equipment products and is used as an accessory of the office equipment products, so that a user can replace the imaging transfer printing device according to the actual use condition of the purchased product, and the problem that the whole office equipment product is replaced before the service life is reached can be solved. The device has compact structure, is independent and complete, is convenient to install, and can increase or decrease the quantity of the transfer rollers according to the difference of the color quantity of the toner cartridge so as to achieve the purpose of adapting to different types of products.

Description

Removable formation of image transfer means

Technical Field

The utility model belongs to the field of office equipment, and particularly relates to a replaceable imaging transfer printing device.

Background

General office equipment mainly includes printers, copiers, facsimile machines, and multifunction machines. The imaging system of the laser printing office equipment mainly comprises a laser scanning device, a toner cartridge and a transfer printing device, wherein the laser scanning device belongs to an electronic component, the service life of the laser scanning device is far longer than that of an office equipment product, and the service life of the toner cartridge and the transfer printing device is shorter than that of the office equipment product. In conventional laser printing type office equipment, the cartridge is replaceable when the service life of the cartridge is expired, and the transfer device is generally not replaceable. Along with the continuous increase of the number of printed pages, the transfer roller in the transfer device can be aged in different degrees, although the whole product can be used continuously, the printing quality is worse and worse, and for users with higher requirements on the printing quality, the users can only replace new printing equipment to solve the problem of poor printing quality, so that certain waste can be caused. Therefore, in order to improve the service life of office equipment products and reduce the rejection rate of the office equipment products, the utility model provides a replaceable imaging transfer printing device which is used as an accessory of the office equipment products, and a user can replace the imaging transfer printing device according to the actual service condition of purchased products so as to solve the problem that the whole product is replaced when the service life of the whole product is short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a replaceable imaging transfer printing device, which is characterized in that a transfer printing roller, a spring, an electrode plate and the like required by an imaging system are placed in an integrated bracket to be used as an integrated component, namely the imaging transfer printing device, and a user can improve the service life of printing equipment by replacing the imaging transfer printing device.

In order to solve the technical problems, the utility model adopts the technical scheme that: an interchangeable imaging transfer device comprising: the transfer printing device comprises a transfer printing bracket, a transfer printing roller assembly, a transfer printing electrode assembly and a transfer printing grounding assembly, wherein the transfer printing roller assembly, the transfer printing electrode assembly and the transfer printing grounding assembly are arranged on the transfer printing bracket, and the transfer printing electrode assembly is arranged on one side of the transfer printing bracket, the front end and the rear end of the transfer printing roller assembly and is used for transmitting transfer printing voltage and eliminating static electricity on paper; the transfer grounding assembly is connected to the transfer electrode assembly for performing a grounding operation.

Further, the transfer support includes: the transfer printing device comprises a transfer printing main bracket, a transfer printing front bracket and a transfer printing left bracket, wherein one side of the transfer printing left bracket is arranged in contact with one side of the transfer printing front bracket;

the transfer printing front bracket is arranged at the front end of the transfer printing main bracket and is used for conveniently taking and placing the imaging transfer printing device;

the transfer printing left support is arranged on one side of the transfer printing main support and used for covering the transfer printing grounding assembly.

Further, the transfer roller assembly includes: the transfer printing device comprises a transfer printing roller, a transfer printing roller left shaft sleeve and a transfer printing roller right shaft sleeve, wherein the left end and the right end of the transfer printing roller are connected in a reserved groove of the main transfer printing bracket through the transfer printing roller left shaft sleeve and the transfer printing roller right shaft sleeve respectively.

Further, a transfer roller spring is arranged at the bottom of the transfer roller left shaft sleeve and the bottom of the transfer roller right shaft sleeve close to the side of the transfer main support respectively, and is used for applying elastic force upwards contacting with the toner cartridge to the transfer roller.

Further, the transfer electrode assembly includes: the transfer printing inlet plate is arranged at the front end of the transfer printing roller on the transfer printing main bracket in parallel with the transfer printing roller and is used for eliminating static electricity before a paper transfer printing process;

the transfer printing discharging electrode slice is arranged at the rear end of the transfer printing roller on the transfer printing main bracket in parallel with the transfer printing roller and is used for eliminating the residual static electricity after the paper transfer printing process.

Further, the transfer electrode assembly preferably comprises: the transfer printing electrode slice is arranged on the transfer printing main bracket at the opposite side of the transfer printing left bracket and used for transmitting the transfer printing voltage of the high-voltage power supply board of the printer to the transfer printing roller.

Further, at least one set of the transfer roller assembly and the transfer electrode assembly is provided.

Further, the transfer grounding assembly includes: the transfer printing device comprises a transfer printing grounding electrode plate, a transfer printing grounding spring and an inlet plate grounding spring, wherein the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring are arranged on the transfer printing main support and are arranged at the same side of the transfer printing left support.

Further, the transfer discharge electrode plate is sequentially connected with the inlet plate grounding spring and the transfer grounding spring;

the transfer printing inlet plate is connected to the inlet plate grounding spring;

one side of the transfer printing grounding spring, which is far away from the transfer printing discharge electrode plate and the transfer printing inlet plate, is connected to the transfer printing grounding electrode plate and is used for connecting the transfer printing inlet plate and the transfer printing discharge electrode plate in a grounding mode.

Further, the transfer printing left support is arranged on the outer sides of the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring and used for covering the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring.

Due to the adoption of the technical scheme, the method has the following beneficial effects:

a relatively independent imaging transfer printing device is designed according to different office equipment products and serves as an accessory of the office equipment products, a user can replace the imaging transfer printing device according to the actual service conditions of purchased products, and the problem that the whole office equipment products are replaced before the service life is reached can be solved. The device has compact structure, is independent and complete, is convenient to install, and can increase or decrease the quantity of the transfer rollers according to the difference of the color quantity of the toner cartridge so as to achieve the purpose of adapting to different types of products. Can be widely applied to printers, copiers, fax machines and multifunctional all-in-one machines.

Drawings

FIG. 1 is a schematic overall structure of one embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of one embodiment of the present invention with the transfer left bracket removed;

FIG. 3 is a schematic structural view of a transfer roller assembly according to one embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a main transferring frame according to an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of the left side of a transfer mainframe in accordance with one embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view of the right side of the transfer main support according to one embodiment of the present invention;

FIG. 7 is a schematic view of a main transfer support according to an embodiment of the present invention, as viewed from the bottom up;

FIG. 8 is a schematic view of the right side of a pre-transfer carriage according to an embodiment of the present invention;

FIG. 9 is a schematic view of the left side of a pre-transfer carriage according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a transfer printing left bracket according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a transfer roller according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of a transfer printing left sleeve according to an embodiment of the present invention;

FIG. 13 is a schematic structural view of a transfer right sleeve according to an embodiment of the present invention;

FIG. 14 is a schematic structural view of a transfer spring according to an embodiment of the present invention;

FIG. 15 is a schematic structural view of a transfer inlet plate according to an embodiment of the present invention;

FIG. 16 is a schematic structural view of a transfer discharge electrode sheet according to an embodiment of the present invention;

FIG. 17 is a schematic structural view of a transfer electrode sheet according to an embodiment of the present invention;

FIG. 18 is a schematic structural view of a transfer discharge electrode sheet according to an embodiment of the present invention;

FIG. 19 is a schematic structural view of a transfer discharge electrode sheet mounting according to an embodiment of the present invention;

FIG. 20 is a schematic structural diagram of a transfer grounding spring according to an embodiment of the present invention;

FIG. 21 is a schematic structural view of an inlet plate grounding spring according to an embodiment of the present invention;

FIG. 22 is an enlarged, fragmentary, schematic view of the left side of a transfer entry plate according to one embodiment of the present invention;

FIG. 23 is a schematic view of a structure for mounting a transfer electrode sheet according to an embodiment of the present invention;

FIG. 24 is a schematic view of the left bracket assembly from the right in accordance with one embodiment of the present invention;

FIG. 25 is a left side view of the right bracket assembly in accordance with one embodiment of the present invention.

In the figure:

1. a main support 1-1, a positioning hole 1-2 and a screw through hole

1-3 parts of limiting column, 1-4 parts of limiting column, 1-5 parts of limiting column and screw column

1-6 parts of screw column, 1-7 parts of screw column, 1-8 parts of screw column and limiting structure

1-9 parts of limiting structure, 1-10 parts of cross positioning column, 1-11 parts of limiting groove

1-12 parts of limiting groove 1-13 parts of limiting groove 1-14 parts of cross positioning column

1-15 parts of limiting surface 1-16 parts of groove 1-17 parts of spring limiting column

1-18 parts of limiting surface 1-19 parts of spring limiting column 1-20 parts of groove

1-21, side wall 1-22, limit groove 1-23, limit column

1-24, limit column 1-25, screw column 1-26 and screw column

1-27 parts of limiting structure 1-28 parts of limiting structure 1-29 parts of square hole

1-30 parts of long groove 1-31 parts of guide structure 1-32 parts of limiting structure

1-33, a limit structure 2, a transfer printing front support 2-1 and a positioning column

2-2, positioning column 2-3, screw column 2-4 and screw column

3. Transfer printing left support 3-1, limiting hole 3-2 and screw through hole

3-3 parts of limiting hole 3-4 parts of limiting hole 3-5 parts of limiting hole and screw through hole

3-6 parts of screw through hole 3-7 parts of screw through hole 3-8 parts of screw through hole and limiting structure

3-9 parts of limiting structure, 3-10 parts of plane irregular hole and 3-11 parts of square hole

3-12, guide structure 4, transfer roller 4-1, end shaft

4-2, end shaft 4-3, sponge 5 and left shaft of transfer roller

5-1, 5-2 shaft holes, 5-3 cross ribs and a clamping hook

6. Right shaft sleeve 6-1, shaft hole 6-2 and cross rib of transfer roller

6-3 parts of clamp hook 6-4 parts of limiting rib 7 parts of transfer roller spring

7-1, end 8, transfer printing inlet plate 8-1 and limiting hole

8-2 parts of limiting hole 8-3 parts of screw through hole 8-4 parts of screw through hole

9. Transfer discharge electrode plate 9-1, limiting groove 9-2 and limiting groove

9-3 parts of strip clamping groove 9-4 parts of sawtooth structure 10 parts of transfer printing electrode slice

10-1, a limit hole 10-2, a limit wall 10-3 and a limit hook

11. Transfer printing grounding electrode plate 11-1, plane 11-2 and square hole

11-3, a slot structure 11-4, a straight edge structure 12, a transfer printing grounding spring

12-1, spring end 12-2, linear structure 13, inlet plate grounding spring

13-1, a circle structure 13-2 and a straight line structure

14. Left bracket component 14-1, U-shaped groove 13-3 and spring end

14-2, elastic locking block 14-3, trapezoidal plane 14-4 and grounding spring

15. Right bracket assembly 15-1, U-shaped groove 15-2 and elastic locking block

15-3, trapezoidal plane

Detailed Description

The utility model is further illustrated by the following examples and figures:

in the following, a two-color laser printer is taken as an example for detailed description, a monochrome laser printer may adopt a similar structure in the example, and only one set of transfer mechanisms is removed, and a color laser printer may be expanded on the basis of the example, and two sets of transfer mechanisms are changed into four sets of transfer mechanisms.

In one embodiment of the present invention, as shown in fig. 1, 2, and 3, an interchangeable image transfer apparatus includes: transfer printing support and install transfer printing roller subassembly, transfer printing electrode subassembly and transfer printing coupling assembling on the transfer printing support, wherein, the transfer printing support includes: transfer main frame 1, transfer fore-frame 2 and transfer left support 3, the transfer roller subassembly includes: a transfer roller 4, a transfer roller left bushing 5, a transfer roller right bushing 6 and a transfer roller spring 7, the transfer electrode assembly comprising: transfer printing inlet plate 8, transfer printing discharge electrode piece 9 and transfer printing electrode piece 10, the transfer printing coupling assembling includes: a transfer ground electrode sheet 11, a transfer ground spring 12, and an inlet plate ground spring 13.

As shown in fig. 1, the main transfer frame 1 is a basic structural part of the entire apparatus, and other parts are mounted on the main transfer frame 1, and the main transfer frame 1 is also an important component of the entire printer paper path. In the present embodiment, the pre-transfer carriage 2 is mounted at the front end of the main transfer carriage 1, and functions mainly as a handle, and the user takes out the entire image transfer apparatus by lifting up the pre-transfer carriage 2. In this embodiment, the side that first contacts the sheet during sheet transfer is defined as the leading end. The transfer printing left bracket 3 is arranged at one side of the transfer printing main bracket 1, and one side of the transfer printing left bracket 3 is arranged in contact with one side of the transfer printing front bracket 2; in the present embodiment, the transfer left bracket 3 is mounted on the left side of the transfer main bracket 1 as shown in fig. 1, and one side of the transfer left bracket 3 is disposed perpendicular to one side of the pre-transfer bracket 2, and is mainly used to cover the transfer ground electrode sheet 11, the transfer ground spring 12, and the inlet plate ground spring 13 on the left side of the image forming transfer device.

The transfer roller 4 is one of the important parts of the imaging system in the printing device, as shown in fig. 1, the left and right ends of the transfer roller 4 are respectively sleeved into the long holes of the left shaft sleeve 5 and the right shaft sleeve 6 of the transfer roller, and are arranged on the main transfer frame 1 through the left shaft sleeve 5 and the right shaft sleeve 6 of the transfer roller. Meanwhile, a transfer roller spring 7 is respectively arranged at one side of the lower parts of the left shaft sleeve 5 and the right shaft sleeve 6 of the transfer roller close to the main transfer frame 1, and the function of the transfer roller spring is to apply upward elastic force to the transfer roller 4 through the left shaft sleeve 5 and the right shaft sleeve 6 of the transfer roller, so that the transfer roller 4 is fully contacted with the toner cartridge arranged on the upper surface of the transfer roller 4.

As shown in fig. 1, a transfer inlet plate 8 is installed in parallel with the transfer roller 4 on the side of the transfer roller 4 close to the pre-transfer frame 2, and in this embodiment, the transfer inlet plate 8 is a metal sheet metal part and mainly functions to eliminate static electricity on the paper before the paper enters the transfer process so as not to unnecessarily interfere with the image forming process. The transfer discharging electrode sheet 9 is installed in parallel with the transfer roller 4 on the side of the transfer roller 4 away from the transfer inlet plate 8, and in this embodiment, the transfer discharging electrode sheet 9 is disposed at the rear end of the transfer roller 4 as shown in fig. 2, wherein the transfer discharging electrode sheet 9 is a metal sheet metal part and mainly functions to eliminate the high-voltage static electricity remaining on the paper after the paper completes the transfer process, so as to prevent the paper from affecting other places in the subsequent movement.

As shown in fig. 1 and 2, a transfer electrode sheet 10 is installed on the opposite side of the transfer main frame 1 from the transfer left frame, i.e., in the present embodiment, the transfer electrode sheet 10 is installed on the right side of the transfer main frame 1, and its main function is to transmit the transfer voltage of the printer high voltage power supply board to the transfer roller 4 to complete the image transfer process. The printer high-voltage power supply board is an independent circuit board arranged on the printer and is used for converting incoming 220V into transfer voltage required by a transfer process, and the transfer voltage is transmitted to the transfer roller 4 through the connection of a transfer electrode sheet 10 and a transfer roller spring 7.

Among them, the transfer ground electrode sheet 11, the transfer ground spring 12, and the entrance plate ground spring 13 are all installed on the side of the transfer main support 1 where the transfer left support 3 is provided, that is, in the present embodiment, the transfer ground electrode sheet 11, the transfer ground spring 12, and the entrance plate ground spring 13 are all installed on the left end of the transfer main support 1 as shown in fig. 2, and grounding of the transfer entrance plate 8 and the transfer discharge electrode sheet 9 is achieved by the arrangement of the transfer ground electrode sheet 11, the transfer ground spring 12, and the entrance plate ground spring 13.

Since the transfer roller 4 needs to be kept clean, the transfer roller 4 needs to be installed last when assembling the image transfer device, and the assembling sequence of the image transfer device is generally that the transfer main frame 1 is used as the basis to install the electrode sheet and the electric connection spring, then install other frame parts, and install the transfer roller 4 and the parts matched with the transfer roller finally, and the structure of the image transfer device is described according to the general connection sequence.

As shown in fig. 2, 7 and 16, the transfer discharge electrode sheet 9 is a stainless steel sheet with a saw tooth structure 9-4, and includes: the transfer printing discharge electrode plate 9 comprises a limiting groove 9-1, a limiting groove 9-2, a belt clamping groove 9-3 and a sawtooth structure 9-4, wherein the limiting groove 9-2 is arranged at the tail of the sawtooth structure 9-4, the belt clamping groove 9-3 is arranged at the head of the transfer printing discharge electrode plate 9, which is far away from the limiting groove 9-2, and the limiting groove 9-1 is arranged at one side, which is far away from the sawtooth structure 9-4, of the transfer printing discharge electrode plate 9.

The sawtooth structure 9-4 is used for eliminating high-voltage static electricity remained on the paper after the paper is transferred by using the principle of point discharge. In the two-color laser printer, two transfer printing discharge electrode plates 9 are required to be installed, for example, when one of the two transfer printing discharge electrode plates is installed, one end of the transfer printing discharge electrode plate 9 with a clamping groove 9-3 penetrates through a square hole 1-29 corresponding to the left end of a transfer printing main support 1, then the whole transfer printing discharge electrode plate 9 is placed in a long groove 1-30 below the transfer printing main support 1, wherein a sawtooth structure 9-4 is arranged towards one side far away from the transfer printing main support 1, and meanwhile, limiting grooves 9-1 and 9-2 on the transfer printing discharge electrode plate 9 are clamped on limiting structures 1-27 and 1-28 on the transfer printing main support 1 respectively, so that the installation of the transfer printing discharge electrode plate 9 is completed.

As shown in fig. 2, 4, 16, 20, and 21, the transfer grounding spring 12 and the inlet plate grounding spring 13 are both springs of a special shape, and the transfer inlet plate 8 and the transfer discharge electrode sheet 9 are grounded via the transfer grounding spring 12 and the inlet plate grounding spring 13. The transfer grounding spring 12 includes: a spring end 12-1 arranged at one end and a linear structure 12-2 extending from the spring end 12-1 in a direction away from the spring end 12-1; during installation, the spring end 12-1 of the transfer printing grounding spring 12 is clamped on the cross positioning column 1-10 on the left side of the transfer printing main support 1, then the linear structure 12-2 of the transfer printing grounding spring 12 is placed in the limiting groove 1-11 and the limiting groove 1-12 on the left side of the transfer printing main support 1, and is clamped in the clamping groove 9-3 of the transfer printing discharging electrode plate 9.

As shown in fig. 2, 4, 16 and 21, the inlet plate grounding spring 13 includes: the inlet plate grounding spring comprises a circular structure 13-1, a linear structure 13-2 and a spring end 13-3, wherein the spring end 13-3 is arranged at one end of the inlet plate grounding spring 13, the other end of the inlet plate grounding spring 13 is provided with the circular structure 13-1, the direct structure 13-2 is arranged perpendicular to the central axis of the circular structure 13-1, the circular structure 13-1 and the central axis of the spring end 13-3 are also arranged perpendicular to each other, and in the embodiment, the spring end 13-3 extends towards the linear structure 13-2 and is connected with the linear structure 13-2 through a bending part with a certain height difference; it is conceivable that the inlet plate grounding spring 13 may be reshaped according to actual fitting, and is not limited to the specific structure specified in the present embodiment, as long as the grounding function is achieved.

When the inlet plate grounding spring 13 is installed, the spring end 13-3 of the inlet plate grounding spring 13 is clamped on the cross positioning column 1-14 on the left side of the transfer main bracket 1, meanwhile, the linear structure 12-2 of the transfer grounding spring 12 is pressed, and then the linear structure 13-2 of the inlet plate grounding spring 13 is clamped into the limiting groove 1-13 on the lower side of the left side of the transfer main bracket 1; the circular structure 13-1 is fixed on the screw columns 1-25 by the transfer inlet plate 8 which is subsequently installed. That is, the connection of the transfer discharge electrode sheet 9, the transfer grounding spring 12 and the inlet plate grounding spring 13 is completed.

In the present embodiment, one transfer grounding spring 12 and one inlet plate grounding spring 13 are provided, and another transfer discharge electrode sheet 9 is installed, as shown in fig. 2, the transfer discharge electrode sheet 9 is clamped on the straight line portion 12-2 of the transfer grounding spring 12 through the clamping groove 9-3, so that both transfer discharge electrode sheets 9 are connected to the transfer grounding spring 12. Meanwhile, the subsequently installed card slot structures 11-3 are clamped on the straight line parts 12-2 of the transfer grounding spring 12, so that the transfer grounding electrode plate 11 is connected with the two transfer discharging electrode plates 9 through the transfer grounding spring 12, the straight surface 11-1 of the transfer grounding electrode plate 11 is a contact of the whole transfer device which is grounded, and the grounding connection of the two transfer discharging electrode plates 9 is realized after the contact is grounded.

As shown in fig. 1, 2, 4, 8, 9, and 10, the pre-transfer carriage 2 includes: two positioning columns 2-1 and two screw columns 2-3 arranged on the right side of the transfer front support 2, and two positioning columns 2-2 and one screw column 2-4 arranged on the left side of the transfer front support 2; wherein the screw column 2-3 is arranged between the two positioning columns 2-1, and the screw column 2-4 is arranged between the two positioning columns 2-2. During installation, two positioning columns 2-1 on the right side of the transfer front support 2 are firstly placed into two positioning holes 1-1 at the front end of the right side of the transfer main support 1, and then self-tapping screws penetrate through screw through holes 1-2 at the front end of the right side of the transfer main support 1 and are fastened on screw columns 2-3 on the right side of the transfer front support 2, and at the moment, the transfer front support 2 is fixed on the transfer main support 1. The left side of the pre-transferring bracket 2 is connected with the main transferring bracket 1 at the left transferring bracket 3 and then is connected with the left transferring bracket 3. The method specifically comprises the following steps: the limiting columns 2-2 on the left side of the transfer printing front support 2 are matched with a pair of limiting holes 3-1 at the front end of the transfer printing left support 3, and then self-tapping screws penetrate through screw through holes 3-2 on the transfer printing left support 3 and are fixed on screw columns 2-4.

As shown in fig. 1, fig. 2, fig. 4, fig. 9, fig. 10, fig. 18, and fig. 19, the transfer left bracket 3 includes: the limiting structure comprises a limiting hole 3-1, a screw through hole 3-2, a limiting hole 3-3, a limiting hole 3-4, a screw through hole 3-5, a screw through hole 3-6, a screw through hole 3-7, a limiting structure 3-8, a limiting structure 3-9, an irregular hole 3-10, a square hole 3-11 and a guide structure 3-12, wherein in the embodiment, the limiting hole, the limiting structure, the irregular hole and the square hole can be but not limited to round or square, the shapes of parts matched with the limiting hole, the limiting structure, the irregular hole and the square hole are determined together, and adaptive modification can be carried out according to actual conditions; meanwhile, the sizes of the limiting hole, the limiting structure, the irregular hole and the square hole can be modified according to the actual size of the part matched with the limiting hole.

As shown in fig. 18, the transfer ground electrode sheet 11 connected to the transfer left frame 3 has an irregular structure, and specifically includes: the structure comprises a plane 11-1, a square hole 11-2, a clamping groove structure 11-3 and a straight edge structure 11-4, wherein the clamping groove structure 11-3 is transversely arranged on one side of the straight edge structure 11-4, the straight edge structure 11-4 is connected with the plane 11-1 through an extended lower plane structure, the plane 11-1 and the straight edge structure 11-4 are vertically arranged in space, the square hole 11-2 is arranged on an upper plane structure arranged on the vertical plane 11-1, namely the upper plane structure, the plane 11-1 and the lower plane structure are enclosed to form a square structure with an opening at one end, and the opening direction of the square structure is consistent with the opening direction of the clamping groove structure 11-3 on the straight edge structure 11-4.

In this embodiment, the limiting structures 3-8 and 3-9 are used for installing the transfer printing grounding electrode sheet 11, in the installation process of the transfer printing left bracket 3, the square hole 11-2 of the transfer printing grounding electrode sheet 11 is clamped at the limiting structure 3-8 of the transfer printing left bracket 3, the straight edge structure 11-4 of the transfer printing grounding electrode sheet 11 is clamped at the limiting structure 3-9 of the transfer printing left bracket 3, and the plane 11-1 of the transfer printing grounding electrode sheet 11 is in close contact with the small plane 3-10 on the transfer printing left bracket 3.

When the transfer printing left support 3 is installed, the installed transfer printing ground electrode plate 11 is installed together, a clamping groove structure 11-3 on the transfer printing ground electrode plate 11 is clamped on a linear structure 12-2 of a transfer printing ground spring 12, meanwhile, a limiting structure 1-8 and a limiting structure 1-9 protruding out of the left side of the transfer printing main support 1 respectively penetrate through an irregular hole 3-10 and a square hole 3-11 on the transfer printing left support 3, limiting holes 3-3 and 3-4 on the transfer printing left support 3 are respectively matched with a limiting column 1-3 and a limiting column 1-4 on the left side of the transfer printing main support 1, the limiting hole 3-1 is matched with a limiting column 2-2 on the left side of the transfer printing front support 2, and then a self-tapping screw penetrates through a screw hole to be fixed; the corresponding relations of the transfer printing left support 3 are that screw through holes 3-5, screw through holes 3-6 and screw through holes 3-7 respectively correspond to screw columns 1-5, screw columns 1-6 and screw columns 1-7 on the transfer printing main support 1, and screw through holes 3-2 on the transfer printing left support 3 correspond to screw columns 2-4 on the left side of the transfer printing front support 2.

As shown in fig. 2, 7, 15, 21, and 22, the transfer inlet plate 8 is a sheet metal member, and its purpose is to eliminate static electricity on the sheet before the sheet enters the transfer process. The transfer inlet plate 8 includes: the transfer printing inlet plate comprises a limiting hole 8-1, a limiting hole 8-2, a screw through hole 8-3 and a screw through hole 8-4, wherein the limiting hole 8-1 and the screw through hole 8-3 are arranged on one side of the transfer printing inlet plate 8, the limiting hole 8-2 and the screw through hole 8-4 are arranged on the other side of the transfer printing inlet plate, and two transfer printing inlet plates 8 are required to be installed in the example.

Taking one of the two as an example, when the transfer inlet plate 8 is installed, the limiting holes 8-1 and the limiting holes 8-2 at the left and right ends of the transfer inlet plate 8 are firstly clamped on the limiting posts 1-23 and the limiting posts 1-24 in the groove of the transfer main bracket 1, then self-tapping screws are used for penetrating through the screw through holes 8-3 and the screw through holes 8-4 at the left and right ends of the transfer inlet plate 8 and then are fastened on the screw posts 1-25 and the screw posts 1-26 in the groove of the transfer main bracket 1, and meanwhile, when the left side of the transfer inlet plate 8 is installed, the self-tapping screws are also required to penetrate through the circular structure 13-1 of the inlet plate grounding spring 13 and then are fixed on the screw posts 1-25 together, so that the connection between the transfer inlet plate 8 and the inlet plate grounding spring 13 is realized; in this embodiment, the transfer inlet plate 8 mainly removes static electricity from the paper itself before it enters the transfer roller, and the amount of static electricity is small, and the distance between the two transfer inlet plates 8 is short in this embodiment, and it is not obvious that both of them are grounded. Only one inlet plate grounding spring 13 is provided in this embodiment, as only grounding of at least one inlet plate 8 is required to meet the requirement. Of course, another inlet plate grounding spring 13 may be provided to ground the other transfer inlet plate 8 as well.

As shown in fig. 1, 6, 17 and 23, the transfer electrode sheet 10 has an irregular structure, and specifically includes: the transfer printing electrode plate 10 is arranged on the right side of a transfer printing main support 1 and mainly used for transmitting transfer printing voltage of a printer high-voltage power supply plate to a transfer printing roller 4 to finish an imaging transfer printing process. It is conceivable that the transfer electrode sheet 10 may be reshaped according to actual fitting, and the function of transmitting the transfer voltage may be realized without being limited to the specific configuration specified in the present embodiment.

In the example, two transfer electrode plates 10 are required to be installed, for example, when one of the transfer electrode plates is installed, the limiting hole 10-1 on the left side of the transfer electrode plate 10 is sleeved on the limiting post 1-19 on the right side of the transfer main support 1, the limiting wall 10-2 in the middle of the transfer electrode plate 10 is attached to the side wall 1-21 on the right side of the transfer main support 1, and finally the limiting hook 10-3 on the right side of the transfer electrode plate 10 is inserted into the limiting groove 1-22 on the right side of the transfer main support 1, so that the installation of the transfer electrode plate 10 is realized.

As shown in fig. 11, the transfer roller 4 is composed of two materials, a metal shaft in the middle, and a special sponge 4-3 outside the metal shaft, and the size, hardness, density, and resistance value of the sponge 4-3 are determined according to the actual use environment. The transfer roller 4 further includes an end shaft 4-1 provided on one side and an end shaft 4-2 provided on the other side.

As shown in fig. 12, the transfer roller left sleeve 5 is an irregular member including: a shaft hole 5-1 matched with the end shaft of the transfer roller, a cross rib 5-2 arranged below the shaft hole 5-1 and clamping hooks 5-3 arranged at two sides of the left shaft sleeve of the transfer roller.

As shown in fig. 13, the transfer roller right sleeve 6 is also an irregular member including: the transfer roller comprises a shaft hole 6-1 matched with an end shaft of the transfer roller, a cross rib 6-2 arranged below the shaft hole 6-1, a clamping hook 6-3 arranged below a right shaft sleeve of the transfer roller and limiting ribs 6-4 arranged at two sides of the right shaft sleeve of the transfer roller.

As shown in fig. 1, 3, 5, 6, 11, 12, 13 and 14, when mounting, the transfer roller 4, the transfer roller left bushing 5, the transfer roller right bushing 6 and the transfer roller spring 7 are mounted together to form a small assembly, and then mounted to the main transfer frame 1.

In this example, two sets of such subassemblies are required to be installed, for example, the cross rib 5-2 and the cross rib 6-2 of the transfer roller left shaft sleeve 5 and the transfer roller right shaft sleeve 6 are arranged close to the transfer main bracket 1, one end 7-1 of one transfer roller spring 7 is clamped on the cross rib 5-2, one end 7-1 of the other transfer roller spring 7 is clamped on the cross rib 6-2, the metal shaft end shaft 4-1 of the transfer roller 4 is inserted into the shaft hole 5-1 of the transfer roller left shaft sleeve 5, the end shaft 4-2 is inserted into the shaft hole 6-1 of the transfer roller right shaft sleeve 6, and the subassemblies are installed at this time.

Mounting small assemblies on a transfer printing main bracket 1, namely clamping hooks 5-3 at two sides of a transfer printing roller left shaft sleeve 5 are clamped in grooves 1-16 at the left side of the transfer printing main bracket 1, meanwhile, the side surfaces of the clamping hooks 5-3 are matched with limiting surfaces 1-15 above the grooves 1-16 of the transfer printing main bracket 1 to form vertical guide, and a transfer printing roller spring 7 below the transfer printing roller left shaft sleeve 5 is directly sleeved on spring limiting columns 1-17 at the left side of the transfer printing main bracket 1; the clamping hooks 6-3 of the transfer roller right shaft sleeve 6 are clamped in the grooves 1-20 on the right side of the transfer printing main bracket 1, meanwhile, the limiting ribs 6-4 on the two sides of the transfer roller right shaft sleeve 6 are matched with the limiting surfaces 1-18 on the right side of the transfer printing main bracket 1 to form vertical guide, and the transfer roller spring 7 below the transfer roller right shaft sleeve 6 is directly sleeved on the spring limiting columns 1-19 on the right side of the transfer printing main bracket 1 in a following manner, so that the installation of small components is completed.

In this embodiment, the structures such as the limiting hole, the limiting structure, the irregular hole, the square hole and the like on each component can be, but are not limited to, circular or square, the shapes of the components matched with the limiting hole, the limiting structure, the irregular hole, the square hole and the like are determined together, and the shapes can be modified adaptively according to the actual shapes; meanwhile, the sizes of the limiting holes, the limiting structures, the irregular holes, the square holes and other structures on each part can be modified according to the actual situation of the parts matched with the limiting holes, the limiting structures, the irregular holes, the square holes and other structures on each part, which have the same name and are different from each other, are arranged on different parts, and the structures do not represent the same structures.

The working process of one embodiment of the utility model is as follows:

taking a two-color laser printer as an example, as shown in fig. 1, 4, 10, 22, 24 and 25, when installing, first, the guiding structures 3-12 and 1-31 on the imaging transfer device are respectively placed into the U-shaped grooves 14-1 and 15-1 at the back of the left bracket assembly 14 and the right bracket assembly 15, then the imaging transfer device is pressed downwards slightly, so that the elastic locking blocks 14-2 and 15-2 at the middle parts of the left bracket assembly 14 and the right bracket assembly 15 lock the limiting structures 1-8 and 1-32 at the left side and the right side of the imaging transfer device respectively, and meanwhile, the whole imaging transfer device falls down, the limiting structures 1-9 and 1-33 at the front end of the imaging transfer device fall on the trapezoidal plane 14-3 and the trapezoidal plane 15-3 at the front end of the left bracket assembly 14 and the right bracket assembly 15 respectively, at this time, the transfer electrode sheet 11 is also in contact with the grounding spring 14-4 in the left holder assembly 14, and the grounding connection is completed. When the image forming and transfer printing device is replaced, the user can lift the handle position of the bracket 2 before transfer printing by hand, and the image forming and transfer printing device can be easily taken out.

This application designs a relatively independent formation of image transfer means according to different office equipment products, with an accessory of its conduct office equipment product, the transfer roller passes through replaceable device's setting as a consumption piece, and the user can change according to the in-service use condition of the product of buying, can solve the problem that the complete machine product just changed not to the service life, and then has prolonged the life of complete machine, need not realize the change of complete machine.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. An interchangeable imaging transfer device, comprising: the transfer printing device comprises a transfer printing bracket, a transfer printing roller assembly, a transfer printing electrode assembly and a transfer printing grounding assembly, wherein the transfer printing roller assembly, the transfer printing electrode assembly and the transfer printing grounding assembly are arranged on the transfer printing bracket, and the transfer printing electrode assembly is arranged on one side of the transfer printing bracket, the front end and the rear end of the transfer printing roller assembly and is used for transmitting transfer printing voltage and eliminating static electricity on paper; the transfer grounding assembly is connected to the transfer electrode assembly for performing a grounding operation.

2. An interchangeable imaging transfer device according to claim 1, wherein: the transfer support includes: the transfer printing device comprises a transfer printing main bracket, a transfer printing front bracket and a transfer printing left bracket, wherein one side of the transfer printing left bracket is arranged in contact with one side of the transfer printing front bracket;

the transfer printing front bracket is arranged at the front end of the transfer printing main bracket and is used for conveniently taking and placing the imaging transfer printing device;

the transfer printing left support is arranged on one side of the transfer printing main support and used for covering the transfer printing grounding assembly.

3. An interchangeable imaging transfer device according to claim 2, wherein: the transfer roller assembly includes: the transfer printing device comprises a transfer printing roller, a transfer printing roller left shaft sleeve and a transfer printing roller right shaft sleeve, wherein the left end and the right end of the transfer printing roller are connected in a reserved groove of the main transfer printing bracket through the transfer printing roller left shaft sleeve and the transfer printing roller right shaft sleeve respectively.

4. An interchangeable imaging transfer device according to claim 3, wherein: and the bottom of the transfer roller left shaft sleeve and the bottom of the transfer roller right shaft sleeve are respectively provided with a transfer roller spring close to the side of the transfer main support, and the transfer roller springs are used for applying elastic force upwards contacting with the toner cartridge to the transfer roller.

5. An interchangeable imaging transfer device according to claim 3, wherein: the transfer electrode assembly includes: the transfer printing inlet plate is arranged at the front end of the transfer printing roller on the transfer printing main bracket in parallel with the transfer printing roller and is used for eliminating static electricity before a paper transfer printing process;

the transfer printing discharging electrode slice is arranged at the rear end of the transfer printing roller on the transfer printing main bracket in parallel with the transfer printing roller and is used for eliminating the residual static electricity after the paper transfer printing process.

6. An interchangeable imaging transfer device according to claim 5, wherein: the transfer electrode assembly preferably comprises: the transfer printing electrode slice is arranged on the transfer printing main bracket at the opposite side of the transfer printing left bracket and used for transmitting the transfer printing voltage of the high-voltage power supply board of the printer to the transfer printing roller.

7. An interchangeable imaging transfer device according to claim 6, wherein: at least one set of the transfer roller assembly and the transfer electrode assembly is provided.

8. An interchangeable imaging transfer device according to claim 7, wherein: the transfer grounding assembly includes: the transfer printing device comprises a transfer printing grounding electrode plate, a transfer printing grounding spring and an inlet plate grounding spring, wherein the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring are arranged on the transfer printing main support and are arranged at the same side of the transfer printing left support.

9. An interchangeable imaging transfer device according to claim 8, wherein: the transfer discharge electrode plate, the inlet plate grounding spring and the transfer grounding spring are connected in sequence;

the transfer printing inlet plate is connected to the inlet plate grounding spring;

one side of the transfer printing grounding spring, which is far away from the transfer printing discharge electrode plate and the transfer printing inlet plate, is connected to the transfer printing grounding electrode plate and is used for connecting the transfer printing inlet plate and the transfer printing discharge electrode plate in a grounding mode.

10. An interchangeable imaging transfer device according to claim 8, wherein: the transfer printing left support is arranged on the outer sides of the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring and used for covering the transfer printing grounding electrode plate, the transfer printing grounding spring and the inlet plate grounding spring.

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