CN221456960U - Pre-shaping device before paper printing - Google Patents

Abstract

The utility model relates to the field of wood grain paper production, in particular to a pre-forming device before paper printing, which comprises a support frame, wherein a conveying mechanism is arranged in the support frame, an air drying mechanism is arranged on the upper side of the conveying mechanism, a humidifying mechanism is arranged on the lower side of the conveying mechanism, and a scraping mechanism is further arranged on the lower side of the conveying mechanism. The scraping roller is driven to rotate by the rotating part of the scraping motor, then the paper is scraped by the scraping belt on the scraping roller, and the paper is prevented from being relatively stretched after being wetted, so that fine wrinkles are formed on the surface of the paper after being pre-shaped.

Description

Pre-shaping device before paper printing

Technical Field

The utility model relates to the field of wood grain paper production, in particular to a pre-forming device before paper printing.

Background

According to the patent document with the retrieval bulletin number of CN214164453U, the water content of the wood grain paper is improved through stamping a steel rod, the fiber characteristic of the paper is adjusted, the overall flexibility of the paper is improved, the wood grain paper with the water content improved is dried through a drying assembly, the paper feeding characteristic of the paper is stabilized, and the water content of the paper falls back;

The paper can be stretched and contracted to a certain extent after the paper is sprayed with water and during drying, and although the paper can be contracted to a certain proportion in the above patent document, the paper is not leveled in the process, and smaller wrinkles can be generated on the paper, so that the subsequent paper printing effect is affected.

Disclosure of utility model

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a pre-forming device before printing paper.

The utility model realizes the above purpose through the following technical scheme:

the pre-forming device before paper printing comprises a support frame, wherein a conveying mechanism is arranged in the support frame, an air drying mechanism is arranged on the upper side of the conveying mechanism, a humidifying mechanism is arranged on the lower side of the conveying mechanism, and a scraping mechanism is further arranged on the lower side of the conveying mechanism;

The scraping mechanism comprises a scraping roller which is rotationally connected to the middle position of the supporting frame, two symmetrical rotating sleeves are fixed on the scraping roller, two symmetrical auxiliary rollers are respectively arranged on the front side and the rear side of the scraping roller, belt wheels of the scraping roller are respectively connected with the two auxiliary rollers through scraping belts, annular distribution rubber strips are fixed on the outer sides of the scraping belts, and the end parts of the scraping rollers are fixed on the rotating parts of the scraping motor.

Preferably: the auxiliary roller is fixed with a belt wheel corresponding to the scraping roller, and is connected with the supporting frame in a rotating way.

Preferably: the air drying mechanism comprises a fixed cover fixed on the inclined plane of the top of the support frame, a swinging air pipe is connected inside the fixed cover in a rotating mode, a swinging crank is fixed at the front end of the swinging air pipe, the swinging crank is hinged to one end of a pushing rod, and a cam fixed on the conveying mechanism is arranged at the other end of the pushing rod.

Preferably: the spout has been seted up to push rod intermediate position, and is provided with the spacing post of fixing in the support frame front side in the middle of the spout of push rod.

Preferably: the humidifying mechanism comprises a water tank fixed on the inclined surface of the bottom side of the support frame, a feed pump is arranged in the water tank, the water outlet end of the feed pump is connected with a feed pipe, and the upper end of the feed pipe extends into the spray frame.

Preferably: the inside support frame downside that is located of spraying frame, one side that sprays the frame and be close to the paper are fixed with the shower nozzle rather than the intercommunication.

Compared with the prior art, the beneficial effects are as follows: the scraping roller is driven to rotate by the rotating part of the scraping motor, then the paper is scraped by the scraping belt on the scraping roller, and the paper is prevented from being relatively stretched after being wetted, so that fine wrinkles are formed on the surface of the paper after being pre-shaped.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a pre-form apparatus for printing on paper according to the present utility model;

FIG. 2 is a cross-sectional view of a pre-form device prior to printing of a sheet according to the present utility model;

FIG. 3 is a partial detail view of a support frame of a pre-form device prior to printing of a sheet according to the present utility model;

FIG. 4 is a partial detail view of an air dryer mechanism of a pre-form apparatus for printing paper in accordance with the present utility model;

FIG. 5 is a partial detail view of the doctoring mechanism of a pre-form device prior to printing of a sheet in accordance with the present utility model;

Fig. 6 is a partial detail view of a conveying mechanism of a pre-forming apparatus before printing of a sheet according to the present utility model.

The reference numerals are explained as follows:

1. A conveying mechanism; 2. a strickling mechanism; 3. an air drying mechanism; 4. a humidifying mechanism; 5. a support frame; 11. a conveying motor; 12. a support roller; 13. a limit roller; 14. a conveying roller; 21. a strickling motor; 22. a doctoring roller; 23. an auxiliary roller; 24. scraping the belt; 31. a fixed cover; 32. swinging the air pipe; 33. a cam; 34. a swing crank; 35. a push rod; 41. a water tank; 42. a supply pump; 43. a supply pipe; 44. and a spray frame.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1-6, the pre-forming device before paper printing comprises a support frame 5, wherein a conveying mechanism 1 is arranged in the support frame 5, an air drying mechanism 3 is arranged on the upper side of the conveying mechanism 1, a humidifying mechanism 4 is arranged on the lower side of the conveying mechanism 1, and a strickling mechanism 2 is further arranged;

in this embodiment: the conveying mechanism 1 comprises three conveying rollers 14 which are rotationally connected to the middle position of the supporting frame 5, two symmetrical supporting rollers 12 are respectively arranged on the upper side and the lower side of the three conveying rollers 14, two limit rollers 13 which are vertically symmetrical are rotationally connected to one side, away from the conveying rollers 14, of the inside of the supporting frame 5, the front end of each conveying roller 14 in the middle position of the supporting frame 5 is fixed to the rotating part of the conveying motor 11, the conveying rollers 14 in the middle position are driven by the conveying motor 11 to drive the conveying rollers 14 on the upper side and the lower side to rotate, and then paper is driven to be conveyed to the upper supporting rollers 12 and the limit rollers 13 from the outer sides of the lower supporting rollers 12 and the limit rollers 13.

In this embodiment: the scraping mechanism 2 comprises a scraping roller 22 which is rotationally connected to the middle position of the supporting frame 5, two symmetrical rotating sleeves are fixed on the scraping roller 22, two symmetrical auxiliary rollers 23 are respectively arranged on the front side and the rear side of the scraping roller 22, belt wheels of the scraping roller 22 are respectively connected with the two auxiliary rollers 23 through a scraping belt 24, annular distributed rubber strips are fixed on the outer side of the scraping belt 24, the end parts of the scraping roller 22 are fixed on the rotating part of the scraping motor 21, belt wheels corresponding to the scraping roller 22 are fixed on the auxiliary rollers 23, the auxiliary rollers 23 are rotationally connected with the supporting frame 5, the scraping roller 22 and the two belt wheels on the upper side of the scraping roller are driven to rotate by utilizing the rotating part of the scraping motor 21, and then the scraping belt 24 on the auxiliary rollers 23 is driven to rotate by utilizing the rotation of the belt wheels to carry out scraping treatment on passing paper through the rubber strips on the scraping belt 24.

In this embodiment: the air drying mechanism 3 comprises a fixed cover 31 fixed on the inclined surface of the top of the supporting frame 5, a swing air pipe 32 is rotatably connected in the fixed cover 31, a swing crank 34 is fixed at the front end of the swing air pipe 32, the swing crank 34 is hinged at one end of a push rod 35, a cam 33 fixed on the conveying mechanism 1 is arranged at the other end of the push rod 35, a sliding groove is formed in the middle of the push rod 35, a limit column fixed on the front side of the supporting frame 5 is arranged in the middle of the sliding groove of the push rod 35, an air joint is mounted at the rear end of the swing air pipe 32, compressed air is blown into the swing air pipe 32 by the air joint at the rear end of the swing air pipe 32, then the compressed air is blown onto paper passing through the swing air pipe 32, meanwhile, the upper limit roller 13 is driven to rotate by the movement of the paper, the cam 33 is driven to rotate by the limit roller 13, the push rod 35 is driven to reciprocate by the rotation of the cam 33, and then the swing crank 34 is driven by the push rod 35 to reciprocate the swing air pipe 32 in the fixed cover 31.

In this embodiment: the humidifying mechanism 4 comprises a water tank 41 fixed on the inclined surface of the bottom side of the supporting frame 5, a feed pump 42 is arranged in the water tank 41, a water outlet end of the feed pump 42 is connected with a feed pipe 43, the upper end of the feed pipe 43 stretches into a spray frame 44, the spray frame 44 is positioned on the lower side of the supporting frame 5, a spray head communicated with the spray frame 44 is fixed on one side, close to paper, of the spray frame 44, water is pumped into the spray frame 44 by the feed pump 42 in the water tank 41 through the feed pipe 43, and is uniformly sprayed onto the passing paper through the spray head on the spray frame 44, so that the humidity is kept when the paper is preformed immediately.

Working principle: when in use, firstly, paper to be pre-shaped is fed from the lower support roller 12 and bypasses the limit roller 13, then the paper alternately passes through the three conveying rollers 14, and the paper passing through the three conveying rollers 14 is fed from the upper limit roller 13 and the support roller 12;

In the process of paper passing through the lower side supporting roller 12 and the limit roller 13, water is pumped into the spraying frame 44 through the supply pump 42 in the water tank 41 and is uniformly sprayed onto the passing paper through the spray heads on the spraying frame 44 by the supply pump 43, so that the humidity is kept when the paper is preformed;

Thereafter, at the front and rear positions of the paper passing through the three conveying rollers 14, the scraping roller 22 and two pulleys on the upper side of the scraping roller are driven to rotate by the rotating part of the scraping motor 21, the scraping belt 24 on the auxiliary roller 23 is driven to rotate by the rotation of the pulleys, and then the paper passing through is scraped by the rubber strip on the scraping belt 24;

then when the paper passes through the upper supporting roller 12 and the limit roller 13, compressed air is blown into the swing air pipe 32 by utilizing an air joint at the rear end of the swing air pipe 32, then the swing air pipe 32 blows the compressed air to the passing paper, meanwhile, the upper limit roller 13 is driven to rotate by the movement of the paper, the cam 33 is driven to rotate by the limit roller 13, the push rod 35 is pushed to reciprocate by the rotation of the cam 33, and then the swing crank 34 drives the swing air pipe 32 to reciprocate in the fixed cover 31 by utilizing the push rod 35, so that the paper is dried in the process.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a pre-shaping device before paper printing, includes the support frame, the inside conveying mechanism that is provided with of support frame, the conveying mechanism upside is provided with air-dries the mechanism, the conveying mechanism downside is provided with humidification mechanism, its characterized in that: the device also comprises a strickling mechanism;

The utility model discloses a scraper blade motor, including the support frame, the mechanism of strickleing off is in including rotating the connection strickle roller of support frame intermediate position, be fixed with the rotation cover of two symmetries on the strickle roller, the strickle roller is provided with two symmetrical auxiliary rollers around the strickle roller respectively, strickle roller band pulley respectively with two auxiliary rollers passes through strickle band connection, strickle band outside is fixed with annular distribution rubber strip, strickle roller tip is fixed at strickle motor rotation portion.

2. A pre-form apparatus for printing on paper as defined in claim 1, wherein: the auxiliary roller is fixed with a belt wheel corresponding to the scraping roller, and the auxiliary roller is rotationally connected with the supporting frame.

3. A pre-form apparatus for printing on paper as defined in claim 1, wherein: the air drying mechanism comprises a fixed cover fixed on the inclined plane of the top of the support frame, a swinging air pipe is connected inside the fixed cover in a rotating mode, a swinging crank is fixed at the front end of the swinging air pipe and hinged to one end of a pushing rod, and a cam fixed on the conveying mechanism is arranged at the other end of the pushing rod.

4. A pre-form apparatus for printing on paper according to claim 3, wherein: the push rod is characterized in that a sliding groove is formed in the middle of the push rod, and a limiting column fixed on the front side of the support frame is arranged in the middle of the sliding groove of the push rod.

5. A pre-form apparatus for printing on paper as defined in claim 1, wherein: the humidifying mechanism comprises a water tank fixed on the inclined surface of the bottom side of the support frame, a feed pump is arranged in the water tank, the water outlet end of the feed pump is connected with a feed pipe, and the upper end of the feed pipe extends into the spray frame.

6. A pre-form apparatus for printing on paper as recited in claim 5, wherein: the inside of spray rack is located the support frame downside, the shower nozzle rather than the intercommunication is fixed with to one side that the spray rack is close to the paper.