CN212449807U - Feeding device of printing machine - Google Patents

Abstract

The utility model relates to the field of printing machines, in particular to a feeding device of a printing machine, which mainly solves the problem of poor feeding effect of the feeding device of the printing machine in the prior art, the feeding mechanism comprises a support plate positioned in a material storage area, a guide post is arranged on the lower surface of the support plate along the longitudinal direction, a guide groove matched with the guide post is arranged on the guide post positioned on a rack, a first spring is sleeved on the guide post, a first rotating shaft is rotatably connected and arranged on the upper side of the support plate positioned on the rack through a first bearing seat, at least two first pressure rollers are sleeved on the first rotating shaft along the axial direction, a second spring is arranged between the rack and the first bearing seat, under the action of the second spring, the first pressure rollers are abutted against the upper surface of the support plate, the elastic coefficient of the second spring is greater than that of the first spring, a second rotating shaft is rotatably connected and arranged on the guide area on the rack through, the second rotating shaft is parallel to the first rotating shaft.

Description

Feeding device of printing machine

Technical Field

The utility model relates to a printing machine field especially relates to a printing machine material feeding unit.

Background

Printing presses are mechanical devices that press an inked surface against a media surface (e.g., paper or cloth) to form an image, and modern printing presses typically consist of a platemaking, inking, stamping, paper feeding (including folding), and the like. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate.

The printer needs to use the feeding device to convey the paper to the printer, but a certain gap exists between the feeding device and the printer, and the feeding device is unstable in operation, so that the posture of the conveyed paper when being input into the printer is deviated, and the problem of paper jam or printing deviation is easily caused.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a printing machine material feeding unit, it has mainly solved the poor problem of printing machine material feeding unit's pay-off effect among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a feeding device of a printing machine comprises a frame and a feeding mechanism arranged on the frame, wherein the feeding mechanism is sequentially divided into a material storage area, a material guide area and a deviation correction output area according to an assembly line, a defined feeding mechanism is a longitudinal direction according to the conveying direction of the assembly line, and is vertical to the longitudinal direction and horizontal on the same horizontal plane, the feeding mechanism comprises a supporting plate positioned in the material storage area, a guide post is arranged on the lower surface of the supporting plate along the longitudinal direction, a guide groove matched with the guide post is arranged on the frame and positioned on the guide post, a first spring is sleeved on the guide post, a first rotating shaft is rotatably connected and arranged on the upper side of the supporting plate on the frame through a first bearing seat, at least two first material pressing rollers are sleeved on the first rotating shaft along the axial direction of the first rotating shaft, and a second spring is arranged between the frame and the first bearing, under the action of a second spring, a first pressure roller is abutted against the upper surface of a support plate, the elastic coefficient of the second spring is greater than that of a first spring, a second rotating shaft is rotatably connected and arranged in a material guide area on the rack through a second bearing seat, the second rotating shaft is parallel to the first rotating shaft, at least two second pressure rollers are sleeved on the second rotating shaft along the axial direction of the second rotating shaft, a deviation correcting device is arranged in a deviation correcting output area on the rack, the deviation correcting device comprises a bottom plate and first guide plates which are arranged on the two transverse sides of the bottom plate and distributed in a splayed structure, an output plate is arranged in parallel at one end of each first guide plate far away from the material guide area, a second guide plate distributed in a splayed structure is arranged between the two first guide plates on the bottom plate, and one end of each second guide plate far away from the material guide area is hinged with the bottom plate, and the distance size of the end part is the same as that of the two output plates, and a third spring is arranged between the first guide plate and the second guide plate which are positioned on one side in the transverse direction.

Furthermore, the deviation correcting device further comprises a material pressing plate hinged with the rack and used for preventing paper from jumping, the material pressing plate is gradually inclined downwards from the material guiding area to the deviation correcting output area, and a fourth spring is arranged between one side, away from the material guiding area, of the upper surface of the material pressing plate and the rack.

Further, the bottom plate includes left bottom plate and right bottom plate, two first deflector, second deflector and output board are located respectively on left bottom plate and the right bottom plate, the lower surface of left side bottom plate and right bottom plate all is equipped with the guide block, the downside that lies in left bottom plate and right bottom plate in the frame is equipped with the gliding guide slot of confession guide block, the guide slot distributes along transverse direction.

Furthermore, annular grooves are formed in the circumferential outer surfaces of the first pressure roller and the second pressure roller in a surrounding mode, and rubber rings are sleeved in the annular grooves.

By adopting the technical scheme, the beneficial effects of the utility model are that: the feeding device of the printing machine is characterized in that paper is stored on a supporting plate of a material storage area, the first material pressing roller is abutted against the paper under the action of a first spring and a second spring, the first rotating shaft is driven to rotate so as to drive the first material pressing roller to rotate, the paper is pushed out into the material guide area and pushed out through a second rotating shaft and a second material pressing roller, meanwhile, the first guide plate, the second guide plate and the output plate act to perform the function of deviation correction, the output posture of the paper is kept better, the feeding effect is improved, the printing effect is improved, a third spring arranged between the first guide plate and the second guide plate can buffer the impact force of the paper impacting the second guide plate, soft contact is performed, the paper is protected from being damaged, the impact vibration of the second guide plate is used to react on the paper, and the function of adjusting the posture of the paper is performed, the structure is simple, and the deviation rectifying effect is good; furthermore, the arranged material pressing plate and the fourth spring play a role in upper side guiding and pressing, so that paper is prevented from jumping during rapid conveying, and the conveying stability is improved; furthermore, the guide blocks on the left bottom plate and the right bottom plate move along the guide grooves, so that the distance between the left bottom plate and the right bottom plate is adjusted, the distance between the first guide plate and the second guide plate is adjusted, the paper guide device is suitable for paper of different specifications and sizes, and the application range is wide; furthermore, the circumferential outer surfaces surrounding the first pressure roller and the second pressure roller are provided with annular grooves, and rubber rings are sleeved in the annular grooves, so that the contact friction force between the first pressure roller and the paper and the contact friction force between the second pressure roller and the paper are increased, the transmission efficiency is improved, and the feeding stability of the paper is good.

Drawings

Fig. 1 is a schematic top view of an embodiment of the present invention;

fig. 2 is a schematic front view of the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

referring to fig. 1 and 2, a feeding device of a printing machine includes a frame 1 and a feeding mechanism disposed on the frame 1, the feeding mechanism is sequentially divided into a material storage area 2, a material guide area 3 and a deviation correction output area 4 according to an assembly line, the feeding mechanism is defined to be a longitudinal direction according to a conveying direction of the assembly line, the feeding mechanism is perpendicular to the longitudinal direction and is located on the same horizontal plane as a transverse direction, the feeding mechanism includes a support plate 5 located on the material storage area 2, a guide post 6 is disposed on a lower surface of the support plate 5 along the longitudinal direction, the guide post 6 on the frame 1 is disposed on a guide groove 7 matched with the guide post, a first spring 8 is sleeved on the guide post 6, a first rotating shaft 10 is rotatably connected to an upper side of the support plate 5 on the frame 1 through a first bearing seat 9, three first pressure rollers 11 are sleeved on the first rotating shaft 10 along an axial direction thereof, a second spring 12 is arranged between the frame 1 and the first bearing block 9, under the action of the second spring 12, a first nip roll 11 is abutted against the upper surface of the support plate 5, the elastic coefficient of the second spring 12 is greater than that of the first spring 8, a second rotating shaft 14 is rotatably connected and arranged on the frame 1 in the material guide area 3 through a second bearing block 13, the second rotating shaft 14 is parallel to the first rotating shaft 10, three second nip rolls 15 are sleeved on the second rotating shaft 14 along the axial direction thereof, annular grooves 16 are respectively arranged on the circumferential outer surfaces surrounding the first nip roll 11 and the second nip roll 15, rubber rings 17 are sleeved in the annular grooves 16, a deviation correcting device is arranged on the frame 1 in the deviation correcting output area 4, the deviation correcting device comprises a bottom plate 18, first guide plates 19 which are arranged on the two transverse sides of the bottom plate 18 and are distributed in a splayed structure, and a bounce plate 20 which is hinged with the frame 1 and is used for preventing paper from bouncing, one end of each first guide plate 19, which is far away from the material guide area 3, is provided with an output plate 21 in parallel, a second guide plate 22 which is distributed in a splayed structure is arranged between the two first guide plates 19 on the bottom plate 18, one end, which is far away from the material guide area 3, of each second guide plate 22 is hinged to the bottom plate 18, the distance between the end of each second guide plate 22 is the same as that between the two output plates 21, a third spring 23 is arranged between the first guide plate 19 and the second guide plate 22 which are positioned on one side in the transverse direction, the material pressing plate 20 is gradually inclined downwards from the material guide area 3 to the deviation correction output area 4, and a fourth spring 24 is arranged between one side, which is far away from the material guide area 3, of the upper surface of the material pressing plate 20 and the machine frame 1.

In this embodiment, the bottom plate 18 includes a left bottom plate 181 and a right bottom plate 182, the two first guide plates 19, the second guide plate 22 and the output plate 21 are respectively disposed on the left bottom plate 181 and the right bottom plate 182, guide blocks 183 are disposed on lower surfaces of the left bottom plate 181 and the right bottom plate 182, guide grooves 184 for the guide blocks 183 to slide are disposed on lower sides of the left bottom plate 181 and the right bottom plate 182 on the rack 1, and the guide grooves 184 are distributed along a transverse direction.

The utility model discloses a working method is: the feeding device of the printing machine stores paper on the supporting plate 5 of the storage area 2, the first pressure roller 11 is abutted against the paper by the action of the first spring 8 and the second spring 12, the first pressure roller 11 is driven to rotate by driving the first rotating shaft 10 to drive the first pressure roller 11 to rotate, so that the paper is pushed out into the material guide area 3 and is pushed out by the second rotating shaft 14 and the second pressure roller 15, meanwhile, the third spring 23 arranged between the first guide plate 19 and the second guide plate 22 can buffer the impact force of the paper impacting the second guide plate 22, soft contact is realized, so that the paper is protected from being damaged, and the impact vibration of the second guide plate 22 is realized, therefore, the paper is reacted to adjust the posture of the paper, the structure is simple, and the deviation rectifying effect is good; the arranged material pressing plate 20 and the fourth spring 24 play a role in upper side guiding and pressing, so that paper is prevented from jumping during rapid paper conveying, and the conveying stability is improved; the guide blocks 183 on the left bottom plate 181 and the right bottom plate 182 move along the guide grooves 184, so that the distance between the left bottom plate 181 and the right bottom plate 182 is adjusted, and further the distance between the first guide plate 19 and the second guide plate 22 is adjusted, so that the paper guide device is suitable for paper of different specifications and sizes, and is wide in application range; the circumferential outer surfaces of the first nip roll 11 and the second nip roll 15 are surrounded by the annular grooves 16, and the rubber rings 17 are sleeved in the annular grooves 16, so that the contact friction force between the first nip roll 11 and the second nip roll 15 and paper is increased, the transmission efficiency is improved, and the feeding stability of the paper is good.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. The utility model provides a printing machine material feeding unit which characterized in that: the automatic feeding device comprises a rack and a feeding mechanism arranged on the rack, wherein the feeding mechanism is sequentially divided into a material storage area, a material guide area and a deviation correction output area according to an assembly line of the feeding mechanism, the defined feeding mechanism is a longitudinal direction according to the conveying direction of the assembly line of the feeding mechanism, the defined feeding mechanism is a transverse direction which is vertical to the longitudinal direction and is positioned on the same horizontal plane, the feeding mechanism comprises a supporting plate positioned in the material storage area, a guide post is arranged on the lower surface of the supporting plate along the longitudinal direction, the guide post positioned on the rack is arranged in a guide groove matched with the guide post, a first spring is sleeved on the guide post, a first rotating shaft is rotatably connected on the upper side of the supporting plate on the rack through a first bearing seat, at least two first material pressing rollers are sleeved on the first rotating shaft along the axial direction of the first rotating shaft, a second spring, the first material pressing roller is abutted against the upper surface of the supporting plate, the elastic coefficient of the second spring is greater than that of the first spring, a second rotating shaft is rotatably connected and arranged on the material guide area on the rack through a second bearing seat, the second rotating shaft is parallel to the first rotating shaft, at least two second material pressing rollers are sleeved on the second rotating shaft along the axial direction of the second rotating shaft, a deviation correcting device is arranged on the deviation correcting output area on the rack, the deviation correcting device comprises a bottom plate and first guide plates which are arranged on the two transverse sides of the bottom plate and distributed in a splayed structure, an output plate is arranged on the first guide plates in a parallel mode at one end far away from the material guide area, second guide plates which are distributed in a splayed structure are arranged between the two first guide plates on the bottom plate, and one end of each second guide plate far away from the material guide area is hinged with the bottom plate, and the distance size of the end part is the same as that of the two output plates, and a third spring is arranged between the first guide plate and the second guide plate which are positioned on one side in the transverse direction.

2. The printer feed apparatus of claim 1, wherein: the deviation correcting device further comprises a material pressing plate which is hinged with the rack and used for preventing paper from jumping, the material pressing plate is gradually arranged from the material guiding area to the deviation correcting output area in a downward inclined mode, and a fourth spring is arranged between one side, away from the material guiding area, of the upper surface of the material pressing plate and the rack.

3. The printer feed apparatus of claim 2, wherein: the bottom plate includes left bottom plate and right bottom plate, two on left bottom plate and right bottom plate are located respectively to first deflector, second deflector and output board, the lower surface of left side bottom plate and right bottom plate all is equipped with the guide block, the downside that lies in left bottom plate and right bottom plate in the frame is equipped with the gliding guide slot of confession guide block, the guide slot distributes along transverse direction.

4. The printer feed apparatus of claim 3, wherein: the circumferential outer surfaces of the first material pressing roller and the second material pressing roller are provided with annular grooves, and rubber rings are sleeved in the annular grooves.

Images