CN221475011U - Automatic replacement device for paper rubbing wheel - Google Patents

Abstract

The utility model belongs to the technical field of paper rubbing wheels, and particularly relates to an automatic paper rubbing wheel replacing device; comprises a paper rubbing wheel body, two paper rubbing wheel bodies; the roll necks are arranged on the opposite surfaces of the two paper rubbing wheel bodies; the connecting part is arranged on the roll neck and is connected with the roll neck through a key; the disassembling component is matched with the connecting part and is used for disassembling the paper rubbing wheel body; the disassembly assembly includes: a support, two in total; the motor is arranged on the bracket; the ball screw is arranged on the motor output shaft; the connecting plates are arranged on the front side and the rear side of the upper side of the bracket; the guide rod is arranged on the connecting plate; the movable plate is arranged between the two guide rods on the same side in a sliding manner and is in threaded connection with the ball screw; the connecting shaft is fixedly connected with the connecting part and is movably connected with the movable plate; the fixed plate is arranged on the connecting shaft and is contacted with the movable plate. The utility model provides an automatic paper rubbing wheel replacing device which does not need to manually disassemble and assemble a paper rubbing wheel.

Description

Automatic replacement device for paper rubbing wheel

Technical Field

The utility model belongs to the technical field of paper rubbing wheels, and particularly relates to an automatic paper rubbing wheel replacing device.

Background

The paper rubbing wheel is an important component part in printing and copying equipment, and is generally sleeved with a wheel body with high friction force on a rotating shaft to rub paper so as to finish paper feeding, but the existing paper rubbing wheel body is usually arranged on the rotating shaft in an interference fit mode, and the paper rubbing wheel is easy to lose efficacy or partially lose efficacy due to excessive wear or aging of the wheel body along with the increase of printing and copying speed and quantity, so that the paper rubbing wheel needs to be replaced.

When the existing paper rubbing wheel is replaced, the paper rubbing wheel needs to be manually detached and taken out, manual installation is also needed during installation, the installation accuracy is not guaranteed, and the phenomenon that the printer or the duplicator cannot work normally due to the fact that the paper rubbing wheel is not installed in place frequently occurs, and manual workload is increased.

Disclosure of utility model

The utility model aims at solving the technical problems and provides an automatic paper rubbing wheel replacing device which does not need to manually disassemble and assemble the paper rubbing wheel so as to ensure the assembling precision.

In view of the above, the present utility model provides an automatic replacement device for a paper rubbing wheel, comprising:

the two paper rubbing wheel bodies are connected through a fixing assembly;

The roll necks are arranged on the opposite surfaces of the two paper rubbing wheel bodies;

the connecting part is arranged on the roll neck and is connected with the roll neck through a key;

the disassembling component is matched with the connecting part and is used for disassembling the paper rubbing wheel body;

the disassembly assembly includes:

A support, two in total;

The motor is arranged on the bracket;

the ball screw is arranged on the motor output shaft;

The connecting plates are arranged on the front side and the rear side of the upper side of the bracket;

The guide rod is arranged on the connecting plate;

The movable plate is arranged between the two guide rods on the same side in a sliding manner and is in threaded connection with the ball screw;

The connecting shaft is fixedly connected with the connecting part and is movably connected with the movable plate;

The fixed plate is arranged on the connecting shaft and is contacted with the movable plate.

In this technical scheme, rub paper wheel body altogether two to link together through fixed subassembly, the roll neck sets up on the opposite face of these two paper wheel bodies with hands, and connecting portion sets up on the roll neck, and fixes on the roll neck through key connection, dismantles the subassembly and is responsible for the dismantlement with rubbing paper wheel body, and it includes: the two supports are used for supporting and fixing other components, the motor is arranged on the support and provides power for the ball screw, the ball screw is arranged on an output shaft of the motor and serves as a part of a transmission mechanism, the connecting plate and the guide rods are arranged on the support and are used for guiding the movable plate, the movable plate is arranged between the two guide rods in a sliding manner and is in threaded connection with the ball screw, the connecting shaft is fixedly connected with the connecting part and is movably connected with the movable plate, and the fixed plate is arranged on the connecting shaft and is in contact with the movable plate.

Working principle: when the paper rubbing wheel body needs to be replaced, the dismounting assembly starts to work, the motor provides power to drive the ball screw to rotate, the ball screw rotates to enable the movable plate to move along the linear track of the movable plate under the support of the guide rod, the movable plate is limited by the fixed plate, the connecting shaft is driven to move axially outwards, the connecting shaft drives the connecting portion to move outwards, the connecting portion is connected with the roll neck through a key, the connecting portion moves outwards to be separated from the roll neck, the paper rubbing wheel body is dismounted, when the paper rubbing wheel body needs to be mounted, the reverse operation is carried out by adopting the scheme, the connecting portion is fixed on the new paper rubbing wheel body again, the paper rubbing wheel body is ready to be used, after the work is finished, the motor is turned off, the quick dismounting and the replacement of the paper rubbing wheel body can be finally realized, the manual dismounting and the installation of the paper rubbing wheel are not needed, so that the dismounting efficiency and the convenience are improved, and the mounting accuracy is ensured.

In the above technical solution, further, the connection portion includes:

The key slot is formed on the roll neck;

The roll shaft is arranged in the key groove of the roll neck in a sliding mode and is fixedly connected with the connecting shaft;

and the flat key is arranged on the roll shaft and is connected with the key groove in a sliding manner.

In this technical scheme, the keyway is offered on the roll neck, is a part of connecting portion, and the roller slidingtype sets up in the keyway, with connecting axle fixed connection, the flat key sets up on the roller, with keyway slidingtype connection. In the initial state, the roller is installed in the keyway, the shape and the size of keyway and roller and flat key phase-match, ensure its accurate location on the roll neck, roller and connecting axle fixed connection, this means that when the connecting axle removes, the roller also can follow the removal, the flat key sets up on the roller, sliding connection with the keyway, when needing to change the paper wheel body, motor drive ball screw rotates, ball screw and movable plate screw connection, make the movable plate move outward along the guide bar, simultaneously the movable plate drives the connecting axial outside and removes, the connecting axle drives the roller to move outward, roller and flat key outwards move to breaking contact with the keyway, at this moment the roller separates with the paper wheel body, people can conveniently take off or change the paper wheel body, after the change is accomplished, through the opposite process, the flat key is slided back to the initial position, make repositioning in the keyway, the connecting axle is fixed connection with new paper wheel body again, so can realize the quick dismantlement and the change of paper wheel body.

In any of the above solutions, further, the fixing assembly includes:

the flanges are arranged on the opposite surfaces of the two paper rubbing wheel bodies;

The support shaft is arranged between the two flanges;

the fixing holes are arranged on the flange and are uniformly distributed in a ring shape along the central axis of the flange;

The bolt is arranged on the fixing hole and is in threaded connection with the flange and the paper rubbing wheel body.

In this technical scheme, the flange is located on the opposite face of two paper rubbing wheel bodies, ensure firm installation between them, the back shaft sets up between two flanges, provide extra support and connection, the bolt is connected to flange and paper rubbing wheel body through the fixed orifices, form threaded connection, ensure the firm fixed of paper rubbing wheel body, when the paper rubbing wheel body needs to be changed, unscrew the bolt for the paper rubbing wheel body can be easily dismantled, the new paper rubbing wheel body is installed on the flange, and keep firm connection through the self-contained car of bolt is fixed, so realized the firm fixed of paper rubbing wheel body and convenient change, the high-efficient operation of equipment has been ensured.

In any of the above technical schemes, further, mounting plates are arranged on the front side and the rear side of the bottom of the bracket, and positioning holes are formed in the mounting plates.

In this technical scheme, wear to set up the locating hole through the screw to with mounting panel fixed mounting on the assigned position, be convenient for install this device in the assigned position, convenient dismantlement.

In any of the above technical solutions, further, the body of the paper twisting wheel is made of polyurethane material.

In the technical scheme, the paper rubbing wheel body is made of polyurethane materials, polyurethane generally has excellent elasticity and wear resistance, so that the paper rubbing wheel can endure continuous friction and wear in use, the service life of the paper rubbing wheel is prolonged, the elasticity and wear resistance of the polyurethane materials enable the paper rubbing wheel to provide efficient rubbing effect when rubbing paper, the paper can be effectively coiled, the wear resistance of the polyurethane materials ensures that the paper rubbing wheel can still keep efficient rubbing performance in the long-time use process, and the frequency of replacing the paper rubbing wheel is reduced.

In any of the above technical solutions, further, anti-slip stripes with concave-convex fit are arranged on the periphery of the paper rubbing wheel body.

In this technical scheme, the concave-convex fit's anti-skidding stripe is designed on the periphery of rubbing wheel body, and the stripe is the combination of arch and recess, aims at increasing the frictional force between rubbing wheel and the paper, provides better snatch and rub the dynamic effect, and the concave-convex fit's of periphery anti-skidding stripe provides extra frictional force, prevents that the paper from sliding or skidding in rubbing the dynamic in-process, has increased stability and the accuracy of operation.

The beneficial effects of the utility model are as follows:

1. The motor drives the ball screw to rotate, the ball screw rotates to enable the movable plate to move along the linear track of the ball screw under the support of the guide rod, the movable plate drives the connecting shaft to move outwards, the connecting shaft drives the roll shaft and the flat key to move outwards and simultaneously separate from the key groove, so that the roll shaft and the paper rubbing wheel body are separated, and people can detach or replace the paper rubbing wheel body, so that the paper rubbing wheel body is detached and replaced quickly, the manual detachment and installation of the paper rubbing wheel are not needed, the detachment efficiency and convenience are improved, and the installation accuracy is ensured;

2. People unscrew the bolts, so that the paper rubbing wheel body can be easily disassembled, a new paper rubbing wheel body is mounted on the flange, and the firm connection is kept through the fixation of the self-contained vehicle of the bolts, so that the firm fixation and convenient replacement of the paper rubbing wheel body are realized, and the efficient operation of equipment is ensured;

3. The paper rubbing wheel body is made of polyurethane materials, and the polyurethane has excellent elasticity and wear resistance, so that the paper rubbing wheel can endure continuous friction and wear in use, the service life of the paper rubbing wheel is prolonged, an efficient rubbing effect is provided, the paper can be effectively coiled, and the frequency of replacing the paper rubbing wheel is reduced;

4. The periphery of the paper rubbing wheel body is provided with concave-convex matched anti-slip stripes, the stripes are combinations of the bulges and the grooves, the friction force between the paper rubbing wheel and paper is increased, better grabbing and rubbing effects are provided, the concave-convex matched anti-slip stripes on the periphery provide additional friction force, the paper is prevented from sliding or slipping in the rubbing process, and the stability and the accuracy of operation are improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic perspective view of a fastening assembly according to the present utility model;

The reference numerals in the drawings are: 1. a paper rubbing wheel body; 2. a roll neck; 3. a connection part; 31. a key slot; 32. a roll shaft; 33. a flat key; 4. disassembling the assembly; 41. a bracket; 42. a motor; 43. a ball screw; 44. a connecting plate; 45. a guide rod; 46. a moving plate; 47. a connecting shaft; 48. a fixing plate; 5. a fixing assembly; 51. a flange; 52. a support shaft; 53. a fixing hole; 54. a bolt; 6. a mounting plate; 61. positioning holes; 7. and (5) anti-skid stripes.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Example 1:

As shown in fig. 1 and 2, the present embodiment provides an automatic replacement device for a paper rubbing wheel, including:

The two paper rubbing wheel bodies 1 are provided, and the two paper rubbing wheel bodies 1 are connected through a fixing component 5;

the roll neck 2 is arranged on the opposite surfaces of the two paper rubbing wheel bodies 1;

The connecting part 3 is arranged on the roll neck 2, and the connecting part 3 is connected with the roll neck 2 through a key;

The disassembling component 4 is matched with the connecting part 3 and is used for disassembling the paper rubbing wheel body 1;

The dismounting assembly 4 comprises:

A holder 41 having two holders in total;

a motor 42 provided on the bracket 41;

a ball screw 43 provided on an output shaft of the motor 42;

the connection plates 44 disposed on front and rear sides of the upper side of the bracket 41;

A guide rod 45 provided on the connection plate 44;

The movable plate 46 is arranged between the two guide rods 45 on the same side in a sliding manner and is in threaded connection with the ball screw 43;

The connecting shaft 47 is fixedly connected with the connecting part 3, and the connecting shaft 47 is movably connected with the movable plate 46;

The fixed plate 48 is provided on the connection shaft 47 and contacts the moving plate 46.

In this technical scheme, rub paper wheel body 1 altogether two to link together through fixed subassembly 5, roll neck 2 sets up on the opposite face of these two paper wheel bodies 1 with hands, and connecting portion 3 sets up on roll neck 2, and fixes on roll neck 2 through the key connection, dismantles subassembly 4 and is responsible for the dismantlement with rubbing paper wheel body 1, and it includes: the two brackets 41 are used for supporting and fixing other components, the motor 42 is arranged on the brackets 41 and provides power for the ball screw 43, the ball screw 43 is arranged on an output shaft of the motor 42, the connecting plate 44 and the guide rods 45 are arranged on the brackets 41 as a part of a transmission mechanism and used for guiding the moving plate 46, the moving plate 46 is slidably arranged between the two guide rods 45 and is in threaded connection with the ball screw 43, the connecting shaft 47 is fixedly connected with the connecting part 3 and is movably connected with the moving plate 46, and the fixed plate 48 is arranged on the connecting shaft 47 and is in contact with the moving plate 46.

Working principle: when the paper rubbing wheel body 1 needs to be replaced, the dismounting assembly 4 starts to work, the motor 42 provides power to drive the ball screw 43 to rotate, the ball screw 43 rotates to enable the movable plate 46 to move along the linear track of the paper rubbing wheel body under the support of the guide rod 45, the movable plate 46 is limited by the fixed plate 48, the connecting shaft 47 is driven to move outwards, the connecting shaft 47 drives the connecting part 3 to move outwards, the connecting part 3 is connected with the roll neck 2 through a key, the connecting part 3 moves outwards to be separated from the roll neck 2, the paper rubbing wheel body 1 is dismounted, when the paper rubbing wheel body 1 needs to be mounted, the reverse operation is carried out by adopting the scheme, the connecting part 3 is fixed on the new paper rubbing wheel body 1 again, the paper rubbing wheel body 1 is ready to be put into use, after the work is finished, the motor 42 is turned off, the paper rubbing wheel body 1 can be dismounted and replaced quickly finally, the paper rubbing wheel is dismounted and mounted manually, so that the dismounting efficiency and convenience are improved, and the mounting accuracy is ensured.

As shown in fig. 1 and 2, in the present embodiment, the connection portion 3 is optimized to include:

A key groove 31 formed in the roll neck 2;

The roll shaft 32 is arranged in the key groove 31 of the roll neck 2 in a sliding manner, and the roll shaft 32 is fixedly connected with the connecting shaft 47;

the flat key 33 is provided on the roller shaft 32, and the flat key 33 is slidably connected to the key groove 31.

In the present embodiment, the key groove 31 is provided in the roll neck 2, and is a part of the connecting portion 3, the roll shaft 32 is slidably provided in the key groove 31, fixedly connected to the connecting shaft 47, and the flat key 33 is provided on the roll shaft 32, slidably connected to the key groove 31. In the initial state, the roll shaft 32 is installed in the key groove 31, the shape and the size of the key groove 31 are matched with those of the roll shaft 32 and the flat key 33, accurate positioning of the roll shaft 32 on the roll neck 2 is ensured, the roll shaft 32 is fixedly connected with the connecting shaft 47, which means that when the connecting shaft 47 moves, the roll shaft 32 can also follow the movement, the flat key 33 is arranged on the roll shaft 32 and is slidingly connected with the key groove 31, when the paper rubbing wheel body 1 needs to be replaced, the motor 42 drives the ball screw 43 to rotate, the ball screw 43 is in threaded connection with the moving plate 46, the moving plate 46 moves outwards along the guide rod 45, meanwhile, the moving plate 46 drives the connecting shaft 47 to move outwards, the connecting shaft 47 drives the roll shaft 32 to move outwards, the roll shaft 32 and the flat key 33 move outwards to be separated from the key groove 31, people can conveniently take off or replace the paper rubbing wheel body 1, after the replacement is completed, the flat key 33 is slid back to the initial position, the roll shaft 32 is relocated in the key groove 31, the connecting shaft is fixedly connected with the new paper rubbing wheel body 47 again, and the paper rubbing body 1 is fixedly replaced, and the quick removal and quick paper rubbing wheel 1 can be removed.

As shown in fig. 1 and 3, in the present embodiment, the fixing assembly 5 preferably includes:

the flanges 51 are arranged on the opposite surfaces of the two paper rubbing wheel bodies 1;

a support shaft 52 disposed between the two flanges 51;

The fixing holes 53 are arranged on the flange 51, and the fixing holes 53 are uniformly distributed in a ring shape along the central axis of the flange 51;

The bolt 54 is disposed on the fixing hole 53 and is in threaded connection with the flange 51 and the rubbing roller body 1.

In this technical scheme, flange 51 is located on the opposite face of two reel bodies 1, ensure firm installation between them, the back shaft 52 sets up between two flange 51, provide extra support and connection, bolt 54 is connected to flange 51 and reel body 1 through fixed orifices 53, form threaded connection, ensure firm fixed of reel body 1, when reel body 1 needs to be changed, unscrew bolt 54 for reel body 1 can easily dismantle, new reel body 1 is installed on flange 51, and keep firm connection through the self-contained car of bolt 54 is fixed, so realized the firm fixed of reel body 1 and convenient change, high-efficient operation of equipment has been ensured.

Example 2:

The embodiment provides an automatic replacement device for a paper rubbing wheel, which has the following technical characteristics besides the technical scheme of the embodiment.

As shown in fig. 1, in the present embodiment, preferably, mounting plates 6 are disposed on front and rear sides of the bottom of the bracket 41, and positioning holes 61 are formed in the mounting plates 6.

In this technical scheme, pass through the screw and set up locating hole 61 to with mounting panel 6 fixed mounting on the assigned position, be convenient for install this device in the assigned position, convenient dismantlement.

In the present embodiment, as shown in fig. 1-3, the optimized reel body 1 is made of polyurethane material.

In the technical scheme, the paper rubbing wheel body 1 is made of polyurethane materials, polyurethane generally has excellent elasticity and wear resistance, so that the paper rubbing wheel can endure continuous friction and wear in use, the service life of the paper rubbing wheel is prolonged, the elasticity and wear resistance of the polyurethane materials enable the paper rubbing wheel to provide efficient rubbing effect when rubbing paper, the paper can be effectively coiled, the wear resistance of the polyurethane materials ensures that the paper rubbing wheel can still keep efficient rubbing performance in the long-time use process, and the frequency of replacing the paper rubbing wheel is reduced.

As shown in fig. 1 and 2, in the present embodiment, the periphery of the paper twisting wheel body 1 is preferably provided with anti-slip stripes 7 with concave-convex fit.

In this technical scheme, the concave-convex fit's anti-skidding stripe 7 is designed on the periphery of rubbing wheel body 1, and the stripe is protruding and the combination of recess, aims at increasing the frictional force between rubbing wheel and the paper, provides better snatch and rub the effect, and the concave-convex fit's of periphery anti-skidding stripe 7 provides extra frictional force, prevents that the paper from sliding or skidding in rubbing the in-process, has increased stability and the accuracy of operation.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims (6)

1. An automatic paper rubbing wheel replacing device, comprising:

The two paper rubbing wheel bodies (1) are in total, and the two paper rubbing wheel bodies (1) are connected through a fixing assembly (5);

the roll necks (2) are arranged on the opposite surfaces of the two paper rubbing wheel bodies (1);

the connecting part (3) is arranged on the roll neck (2), and the connecting part (3) is connected with the roll neck (2) through a key;

The disassembling component (4) is matched with the connecting part (3) and is used for disassembling the paper rubbing wheel body (1);

the disassembly assembly (4) comprises:

a support (41) having two total brackets;

a motor (42) provided on the bracket (41);

a ball screw (43) provided on the output shaft of the motor (42);

Connecting plates (44) arranged on the front and rear sides of the upper side of the bracket (41);

A guide rod (45) provided on the connection plate (44);

A moving plate (46) slidably disposed between the two guide rods (45) on the same side and screwed to the ball screw (43);

A connecting shaft (47) fixedly connected with the connecting part (3), wherein the connecting shaft (47) is movably connected with the movable plate (46);

and a fixed plate (48) which is provided on the connecting shaft (47) and is in contact with the movable plate (46).

2. An automatic change device of a paper rubbing wheel according to claim 1, characterized in that the connecting part (3) comprises:

A key groove (31) which is arranged on the roll neck (2);

The roll shaft (32) is arranged in a key groove (31) of the roll neck (2) in a sliding mode, and the roll shaft (32) is fixedly connected with the connecting shaft (47);

And a flat key (33) which is arranged on the roll shaft (32), wherein the flat key (33) is connected with the key groove (31) in a sliding way.

3. An automatic reel changer according to claim 1, characterized in that the fixing assembly (5) comprises:

The flanges (51) are arranged on the opposite surfaces of the two paper rubbing wheel bodies (1);

A support shaft (52) disposed between the two flanges (51);

The fixing holes (53) are arranged on the flange (51), and the fixing holes (53) are uniformly distributed in a ring shape along the central axis of the flange (51);

The bolt (54) is arranged on the fixing hole (53) and is in threaded connection with the flange (51) and the paper rubbing wheel body (1).

4. The automatic paper rubbing wheel replacing device according to claim 1, wherein mounting plates (6) are arranged on the front side and the rear side of the bottom of the bracket (41), and positioning holes (61) are formed in the mounting plates (6).

5. An automatic reel changer according to claim 1, characterized in that the reel body (1) is made of polyurethane material.

6. An automatic paper rubbing wheel replacing device according to claim 4, wherein the periphery of the paper rubbing wheel body (1) is provided with anti-slip stripes (7) matched with the concave-convex parts.