CN212688568U - Hard calender of hot-rolling for papermaking - Google Patents

Abstract

The utility model discloses a hard calender of hot roll for papermaking, including frame, cold hard roller, hot hard roller, drive arrangement, elevating gear and guide roll, one side upper portion of frame is equipped with cold hard roller, the same side of frame is located the below of cold hard roller and is equipped with hot hard roller, the outside of hot hard roller is equipped with the drive arrangement that is used for driving the roll body rotation of hot hard roller, hot hard roller and drive arrangement are whole to be located the below of cold hard roller in the frame through elevating gear, the input side that is located cold hard roller and hot hard roller in the frame is equipped with the guide roll that matches cold hard roller and hot hard roller and set up to the calendering direction of delivery of paper; the utility model discloses the cooperation is used hot hard roller and cold hard roller to carry out the press polish processing to the paper for press polish processing back paper compactness, uniformity and finish are better, adjust the press polish interval through whole hot hard roller of lift and drive arrangement simultaneously, with the press polish processing needs that adapt to different thickness papers, simple structure, convenient to use adaptability is good in the time.

Description

Hard calender of hot-rolling for papermaking

Technical Field

The utility model belongs to the technical field of papermaking equipment, concretely relates to hard calender of hot-rolling for papermaking.

Background

The hot press finishing treatment is beneficial to improving the compactness, evenness and smoothness of paper, and simultaneously, the realization that the papermaking equipment can press and finish the paper with thicker thickness is realized; however, most of the existing hot calendaring machines adopt soft rollers, so that the processing effect of hot calendaring is reduced, and the hot calendaring machines have complex structures and are inconvenient to use; in order to solve the problems, it is necessary to develop a hot roll hard calender for papermaking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a papermaking hot roller hard calender with simple structure, convenient use, good adaptability and better calendering effect.

The purpose of the utility model is realized like this: the utility model provides a hard calender of hot-rolling for papermaking, includes frame, cold hard roller, hot hard roller, drive arrangement, elevating gear and guide roll, one side upper portion of frame is equipped with cold hard roller, the frame be located with one side the below of cold hard roller is equipped with hot hard roller, the outside of hot hard roller is equipped with and is used for the drive the roll body pivoted of hot hard roller drive arrangement, hot hard roller with drive arrangement wholly passes through elevating gear locates be located in the frame the below of cold hard roller, be located in the frame cold hard roller with the input side of hot hard roller is equipped with the matching cold hard roller with hot hard roller sets up to the calendering direction of delivery of paper the guide roll.

Preferably, elevating gear includes elevating platform, hydro-cylinder and hot hard roller mounting bracket, one side rotatable formula of elevating platform connect in the frame, the opposite side lower extreme of elevating platform is equipped with the hydro-cylinder, the elevating platform can luffing motion under the drive of hydro-cylinder, the opposite side upper end of elevating platform is equipped with hot hard roller mounting bracket, hot hard roller install in on the hot hard roller mounting bracket, the outside of hot hard roller mounting bracket is equipped with the drive arrangement mounting bracket, drive arrangement install in on the drive arrangement mounting bracket.

Preferably, the upper end and the lower end of the oil cylinder are respectively connected to the lifting platform and the rack in a rotatable manner.

Further preferably, a step structure is arranged on the rack and positioned on the inner sides of the lifting platform and the oil cylinder, and a limiting bolt is arranged on the step structure.

Still further preferably, an elastic cushion pad is arranged on the lower end face of the lifting platform at a position corresponding to the limiting bolt.

Preferably, the hot hard roller adopts a steam heating mode.

Owing to adopted above technical scheme, the beneficial effects of the utility model are that: the utility model adopts the mutual matching of the hot hard roller and the cold hard roller to carry out the press polish treatment on the paper, thereby not only having the advantages of hot press polish, but also having the advantages of better press polish effect of the hard roller compared with the soft roller, and leading the compactness, evenness and smoothness of the paper after the hot press polish treatment to be better; the utility model adopts the mode of lifting the hot hard roller and the driving device thereof integrally to adjust the press polish distance between the hot hard roller and the cold hard roller so as to adapt to the press polish processing requirements of paper with different thicknesses, and has simple structure, convenient use and good adaptability; the utility model adopts the guide rollers arranged at the input sides of the press polish conveying direction of the hot hard roller and the cold hard roller for the paper, which is beneficial to the smooth conveying and the hot press polish treatment of the paper; generally, the utility model has the advantages of simple structure, convenient to use, adaptability are good, the press polish is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. the device comprises a frame 2, a blanket 3, a guide roller 4, a chilled roller 5, a chilled roller mounting rack 6, a hot hard roller 7, a driving device mounting rack 8, a driving device 9, a hot hard roller mounting rack 10, a lifting platform 11, an oil cylinder 12, a limiting bolt 13, a stepped structure 14 and an elastic cushion pad.

Detailed Description

The technical scheme of the utility model is further explained in detail with the attached drawings.

As shown in fig. 1, the utility model provides a hard calender of hot roll for papermaking, including frame 1, cold hard roller 4, hot hard roller 6, drive arrangement 8, elevating gear and guide roll 3, wherein frame 1 is used for providing a whole and supports, makes things convenient for the installation of cold hard roller 4, hot hard roller 6, drive arrangement 8, elevating gear and guide roll 3.

Frame 1's one side upper portion is equipped with cold hard roller 4, and frame 1 is equipped with hot hard roller 6 with the below that lies in cold hard roller 4 with one side, and cold hard roller 4 and hot hard roller 6 carry out the hard calendering of hot-rolling to the paper together and handle, and the rigid structure that both cooperate each other to provide can carry out the hard calendering processing of hot-rolling to the paper that thickness is thicker, and the calendering treatment effect is better moreover, and the paper after the calendering has better compactness, uniformity and finish.

The outside of hot hard roller 6 is equipped with and is used for driving hot hard roller 6's roll body pivoted drive arrangement 8, particularly, drive arrangement 8 only drives hot hard roller 6's roll body and rotates, and the spindle nose of hot hard roller 6 both sides is motionless, install on the spindle nose of hot hard roller 6 both sides through the bearing in hot hard roller 6's roll body both sides, hot hard roller 6 adopts the steam heating mode, the motionless spindle nose of steam accessible inputs in hot hard roller 6's the roll body very conveniently, make the roll body generate heat, accomplish the hot pressing light treatment to the paper. Specifically, the driving device 8 provides driving power by using a motor, and then transmits the driving power to the roller body of the hot hard roller 6 through a transmission mechanism to rotate the roller body, wherein the transmission mechanism can be realized by adopting rack transmission or belt transmission and the like in the prior art.

The hot hard roller 6 and the driving device 8 are integrally arranged on the frame 1 below the cold hard roller 4 through a lifting device, and the lifting device is used for integrally lifting the hot hard roller 6 and the driving device 8, so that the structure is integrally simple and feasible.

The input sides of the cold hard roller 4 and the hot hard roller 6 on the frame 1 are provided with guide rollers 3 matched with the cold hard roller 4 and the hot hard roller 6 and arranged in the calendering conveying direction of the paper, and the guide rollers 3 enable the paper to be tensioned and conveyed, so that smooth conveying and hot calendering treatment of the paper are facilitated.

Preferably, elevating gear includes elevating platform 10, hydro-cylinder 11 and hot hard roller mounting bracket 9, the rotatable formula of one side of elevating platform 10 is connected in frame 1, the opposite side lower extreme of elevating platform 10 is equipped with hydro-cylinder 11, elevating platform 10 can be in the drive of hydro-cylinder 11 luffing motion down, the opposite side upper end of elevating platform 10 is equipped with hot hard roller mounting bracket 9, hot hard roller 6 is installed on hot hard roller mounting bracket 9, the outside of hot hard roller mounting bracket 9 is equipped with drive arrangement mounting bracket 7, drive arrangement 8 is installed on drive arrangement mounting bracket 7.

Further preferably, the upper end and the lower end of the cylinder 11 are rotatably connected to the lifting platform 10 and the frame 1, respectively.

When the concrete implementation, the utility model discloses a rotatable formula is connected and can is adopted pin structure, realizes rotatable coupling through the pin structure junction.

During specific implementation, the cold hard roller 4 and the hot hard roller 6 can be respectively provided with scrapers for cleaning the pulp residues after the roller bodies of the cold hard roller and the hot hard roller are separated from the paper, so that the subsequent paper calendaring effect is prevented from being influenced by the pulp residues, and the product quality after the paper calendaring is improved.

Further preferably, a stepped structure 13 is arranged on the frame 1 and located on the inner sides of the lifting platform 10 and the oil cylinder 11, a limit bolt 12 is arranged on the stepped structure 13, and the limit bolt 12 is used for assisting the oil cylinder 11 to complete supporting of the hot hard roller 6 and the driving device 8 on the upper end of the lifting platform 10 and simultaneously is used for avoiding possible damage to the hot hard roller 6 and the driving device 8 in case of an accident.

It is further preferable that an elastic buffer 14 is provided on the lower end surface of the lifting platform 10 at a position corresponding to the position of the position-limiting bolt 12, and plays a role of buffering the lifting platform 10 and the position-limiting bolt 12.

When the utility model is used in practice, the calendaring distance between the cold hard roller 4 and the hot hard roller 6 is adjusted through the lifting oil cylinder 11 according to actual needs on site, so that the guide roller 3, the cold hard roller 4 and the hot hard roller 6 can be started to start working, the guide roller 3 and the cold hard roller 4 rotate anticlockwise during working, the hot hard roller 6 rotates clockwise synchronously, and paper enters the space between the cold hard roller 4 and the hot hard roller 6 to be calendered after bypassing the guide roller 3 along with the blanket 2; after the calendering is finished, the guide roller 3, the chilled roller 4 and the hot hard roller 6 are closed, the oil cylinder 11 descends, the hot hard roller 6 and the driving device 8 descend along with the guide roller, when the lower end face of the lifting platform 10 descends to just contact with the upper end face of the limiting bolt 12, the oil cylinder 11 stops descending, the oil cylinder 11 and the limiting bolt 12 support the hot hard roller 6 and the driving device 8 together, and the next time the work is started.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a hard calender of paper grade (stock) hot-rolling which characterized in that: including frame, cold hard roller, hot hard roller, drive arrangement, elevating gear and guide roll, one side upper portion of frame is equipped with cold hard roller, one side of frame is located with one side cold hard roller's below is equipped with hot hard roller, the outside of hot hard roller is equipped with and is used for the drive the roll body of hot hard roller is pivoted drive arrangement, hot hard roller with drive arrangement wholly passes through elevating gear locates be located in the frame lie in the below of cold hard roller, lie in the frame cold hard roller with the input side of hot hard roller is equipped with the matching cold hard roller with hot hard roller sets up to the calendering direction of delivery of paper the guide roll.

2. The thermo roll hard calender for papermaking according to claim 1, characterized in that: elevating gear includes elevating platform, hydro-cylinder and hot hard roller mounting bracket, one side rotatable formula of elevating platform connect in the frame, the opposite side lower extreme of elevating platform is equipped with the hydro-cylinder, the elevating platform can luffing motion under the drive of hydro-cylinder, the opposite side upper end of elevating platform is equipped with hot hard roller mounting bracket, hot hard roller install in on the hot hard roller mounting bracket, the outside of hot hard roller mounting bracket is equipped with the drive arrangement mounting bracket, drive arrangement install in on the drive arrangement mounting bracket.

3. The thermo roll hard calender for papermaking according to claim 2, characterized in that: the upper end and the lower end of the oil cylinder are respectively connected to the lifting platform and the rack in a rotatable mode.

4. The thermo roll hard calender for papermaking according to claim 2, characterized in that: the inner sides of the lifting platform and the oil cylinder on the rack are provided with stepped structures, and the stepped structures are provided with limiting bolts.

5. The thermo roll hard calender for papermaking according to claim 4, characterized in that: and an elastic cushion pad is arranged on the lower end surface of the lifting platform corresponding to the position of the limiting bolt.

6. The thermo roll hard calender for papermaking according to claim 1, characterized in that: the hot hard roller adopts a steam heating mode.

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