阅读说明：本技术 一种带有断电保护的自热型免润滑压光辊 (Self-heating type lubrication-free calender roll with power-off protection ) 是由 杨艳刚 于 2021-08-18 设计创作，主要内容包括：本发明涉及压光机技术领域,且公开了一种带有断电保护的自热型免润滑压光辊,包括外壳,所述外壳的中心设置有离心槽轮,所述离心槽轮的径向圆周均匀设置有若干接触件,所述接触件的外侧活动连接有加热板,所述加热板内设置有若干热管,所述加热板的左部内侧设置有调整推块,所述调整推块的内侧设置有均压腔,所述均压腔与调整推块之间设置有缓冲球,所述均压腔延伸进外壳的内侧设置有平衡孔,所述外壳的外侧套接有压光套。该带有断电保护的自热型免润滑压光辊,采用单元式的滚筒套接可更换的压光套,使压光辊整体不论是压光表面出现瑕疵还是轴部有磨损,均可通过更换新零件来修复,无需整体更换压光辊,节约了成本。(The invention relates to the technical field of calender, and discloses a self-heating type lubrication-free calender roll with power-off protection, which comprises a shell, wherein a centrifugal grooved wheel is arranged in the center of the shell, a plurality of contact elements are uniformly arranged on the radial circumference of the centrifugal grooved wheel, the outer side of each contact element is movably connected with a heating plate, a plurality of heat pipes are arranged in each heating plate, an adjusting push block is arranged on the inner side of the left part of each heating plate, a pressure equalizing cavity is arranged on the inner side of each adjusting push block, a buffer ball is arranged between each pressure equalizing cavity and each adjusting push block, each pressure equalizing cavity extends into the inner side of the shell and is provided with a balance hole, and a calender sleeve is sleeved on the outer side of the shell. This from hot type exempts from to lubricate calender roll with power-off protection adopts the cylinder of unit formula to cup joint removable press polish cover, makes the calender roll whole no matter whether the press polish surface appears the flaw or the axial part has wearing and tearing, all can restore through changing new part, need not whole change calender roll, has practiced thrift the cost.)

1. A self-heating type lubrication-free calender roll with power-off protection comprises a shell (1), and is characterized in that: the center of the shell (1) is provided with a centrifugal sheave (2), the radial circumference of the centrifugal sheave (2) is uniformly provided with a plurality of contact elements (3), the outer side of each contact element (3) is movably connected with a heating plate (4), a plurality of heat pipes (5) are arranged in each heating plate (4), the inner side of the left part of each heating plate (4) is provided with an adjusting push block (6), the inner side of each adjusting push block (6) is provided with a pressure equalizing cavity (7), a buffer ball (8) is arranged between each pressure equalizing cavity (7) and each adjusting push block (6), the inner side of each pressure equalizing cavity (7) extending into the shell (1) is provided with a balance hole (9), the outer side of the shell (1) is sleeved with a press polish sleeve (10), the left end of the shell (1) is movably connected with an input end plate (11), and the input end plate (11) is provided with an oil injection groove (12), the center of input end plate (11) is coupled drive shaft (13), drive shaft (13) are located the position between input end plate (11) and shell (1) outside cup joint and have permeated layer (14), the right-hand member of shell (1) is provided with output end plate (15).

2. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the shell (1) is of a cylinder structure with a cavity arranged inside, and the right end of the shell is provided with a connector matched with the left end in shape end to end.

3. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the centrifugal grooved wheel (2) faces leftwards and is arranged in the center of the inner part of the shell (1) and is movably connected with a central shaft through a torsion spring.

4. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the end plate of the contact element (3) is provided with a ball matched with the groove of the centrifugal grooved wheel (2), and the outer end of the contact element is movably connected with the middle part of the heating plate (4) through a spring.

5. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the heating plate (4) is arranged in a groove on the outer surface of the shell (1) and can move along the radial direction with a certain amplitude.

6. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the pressure equalizing cavity (7) is connected with the inner cavity of the shell (1) through a balance hole (9).

7. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the input end plate (11) is matched with the left end of the shell (1), and the end part of the input end plate is provided with a sealing gasket.

8. A self-heating type non-lubricating calender roll with power-off protection as set forth in claim 1, wherein: the output end plate (15) is matched with the right end of the shell (1), and a sealing bearing is arranged in the middle of the output end plate and matched with the driving shaft (13).

Technical Field

The invention relates to the technical field of calender, in particular to a self-heating type lubrication-free calender roll with power-off protection.

Background

The calender roll is the core part of calender, and when the operation is calendered to paper, the calender roll extrudees the paper after once or the secondary coating, reduces its unevenness to produce the surface gloss of similar mirror surface level, make paper use experience and surface properties promote by a wide margin, simultaneously, for the preparation that satisfies special paper, sometimes when calendering, need heat its surface, when guaranteeing the calendering effect, make wherein take place some chemical change, in order to reach predetermined requirement.

The existing calender roll generally adopts an integrally formed metal cylinder shape, a semi-closed oil passing cavity is reserved in the middle of the calender roll for heating, after the calender roll is used for a long time, surface deformation or eccentric rotation of a rotating shaft can be caused easily, so that the calender roll cannot be corrected, the local calendering effect is unsatisfactory, the whole calender roll can be replaced, the cost is too high, and after the calender roll is powered off accidentally, the high-temperature calender roll cannot be separated from a paper surface in time, and fire hazard is caused.

Disclosure of Invention

Technical problem to be solved

According to the intelligent manufacturing development requirement, aiming at the defects of the prior art, the invention provides the self-heating type lubrication-free calender roll with the power-off protection, which has the advantages of replaceable easily-damaged parts and high safety factor and solves the problems in the background technology.

(II) technical scheme

In order to realize the purposes of replaceable easily-damaged parts and high safety factor, the invention provides the following technical scheme: a self-heating type non-lubrication calender roll with power-off protection comprises a shell, wherein the center of the shell is provided with a centrifugal grooved wheel, a plurality of contact elements are uniformly arranged on the radial circumference of the centrifugal grooved wheel, the outer side of each contact element is movably connected with a heating plate, a plurality of heat pipes are arranged in the heating plate, an adjusting push block is arranged at the inner side of the left part of the heating plate, the inner side of the adjusting push block is provided with a pressure equalizing cavity, a buffer ball is arranged between the pressure equalizing cavity and the adjusting push block, the inner side of the pressure equalizing cavity extending into the shell is provided with a balance hole, the outer side of the shell is sleeved with a press polish sleeve, the left end of the shell is movably connected with an input end plate, an oil injection groove is arranged on the input end plate, the center of the input end plate is coupled with a driving shaft, a permeable layer is sleeved outside the part of the driving shaft between the input end plate and the shell, and an output end plate is arranged at the right end of the shell.

Preferably, the shell is a cylinder structure with a cavity arranged inside, and the right end of the shell is provided with a connector matched with the left end in shape end to end.

Preferably, the centrifugal sheave groove faces leftwards, and is arranged in the center of the inner part of the shell and movably connected with a central shaft through a torsion spring.

Preferably, the contact end plate is provided with a ball matched with the groove of the centrifugal grooved wheel, and the outer end of the contact end plate is movably connected with the middle part of the heating plate through a spring.

Preferably, the heating plate is disposed in a groove on the outer surface of the housing and can move along a radial direction with a certain amplitude.

Preferably, the pressure equalizing cavity is connected with the inner cavity of the shell through a balancing hole.

Preferably, the input end plate is matched with the left end of the shell, and the end part of the input end plate is provided with a sealing gasket.

Preferably, the output end plate is matched with the right end of the shell, and a sealing bearing is arranged in the middle of the output end plate and matched with the driving shaft.

(III) advantageous effects

Compared with the prior art, the invention provides a self-heating type lubrication-free calender roll with power-off protection, which has the following beneficial effects:

1. this from hot type exempts from to lubricate calender roll with power-off protection adopts the cylinder of unit formula to cup joint removable press polish cover, makes the calender roll whole no matter whether the press polish surface appears the flaw or the axial part has wearing and tearing, all can restore through changing new part, need not whole change calender roll, has practiced thrift the cost.

2. This from hot type exempts from to lubricate calender roll with power-off protection, when equipment accident shut down, the oil pressure sharply descends, makes the interior oil of shell can't drive centrifugal sheave and deflect, and then the contact drives the hot plate and inwards packs up, makes the high temperature hot plate no longer to the direct heat conduction of press polish cover to improve equipment's security.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an axial cross-sectional schematic view of the present invention;

FIG. 3 is a schematic diagram of the cell structure of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a centrifugal sheave; 3. a contact member; 4. heating plates; 5. a heat pipe; 6. adjusting the push block; 7. a pressure equalizing cavity; 8. a buffer ball; 9. a balance hole; 10. a press polish sleeve; 11. an input end plate; 12. an oil injection groove; 13. a drive shaft; 14. a permeable layer; 15. and an output end plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a self-heating type non-lubrication calender roll with power-off protection comprises a housing 1, a centrifugal sheave 2 is arranged at the center of the housing 1, a plurality of contact members 3 are uniformly arranged on the radial circumference of the centrifugal sheave 2, a heating plate 4 is movably connected to the outer side of the contact members 3, a plurality of heat pipes 5 are arranged in the heating plate 4, an adjusting push block 6 is arranged on the inner side of the left portion of the heating plate 4, a pressure equalizing cavity 7 is arranged on the inner side of the adjusting push block 6, a buffer ball 8 is arranged between the pressure equalizing cavity 7 and the adjusting push block 6, a balance hole 9 is arranged on the inner side of the pressure equalizing cavity 7 extending into the housing 1, a calender sleeve 10 is sleeved on the outer side of the housing 1, an input end plate 11 is movably connected to the left end of the housing 1, an oil injection groove 12 is arranged on the input end plate 11, the center of the input end plate 11 is coupled with a driving shaft 13, a permeable layer 14 is sleeved on the outer portion of the driving shaft 13 located between the input end plate 11 and the housing 1, the right end of the housing 1 is provided with an output endplate 15.

Wherein, shell 1 is the inside section of thick bamboo structure that is provided with the cavity, and its right-hand member is provided with connector and left end shape end to end adaptation.

Wherein, the centrifugal grooved wheel 2 faces leftwards and is arranged in the center of the inner part of the shell 1 and is movably connected with a central shaft through a torsion spring.

Wherein, the contact 3 end plate is provided with the ball and the groove adaptation of centrifugal sheave 2, and its outer end passes through spring and hot plate 4 middle part swing joint.

Wherein, the heating plate 4 is arranged in a groove on the outer surface of the shell 1 and can move along the radial direction with a certain amplitude.

Wherein, the pressure equalizing cavity 7 is connected with the inner cavity of the shell 1 through a balance hole 9.

Wherein, the input end plate 11 is adapted to the left end of the housing 1, and the end part thereof is provided with a sealing gasket.

Wherein, the output end plate 15 is matched with the right end of the shell 1, and the middle part of the output end plate is provided with a sealing bearing matched with the driving shaft 13.

The working principle is as follows: this from lubricated calender roll is exempted from to hot type with power-off protection, including shell 1, shell 1 is the inside section of thick bamboo structure that is provided with the cavity, its right-hand member is provided with connector and left end shape end to end adaptation, press polish cover 10 has been cup jointed in the outside of shell 1, compare current integrated into one piece's interior cavity roller structure, removable press polish cover 10 is cup jointed to the cylinder of unit formula, make the calender roll whole no matter flaw appears in the press polish surface or the axial region has wearing and tearing, all can restore through changing new parts, need not the whole calender roll that changes, and the cost is saved.

This self-heating type exempts from to lubricate calender roll with power-off protection, the center of shell 1 is provided with centrifugal sheave 2, centrifugal sheave 2's radial circumference evenly is provided with a plurality of contacts 3, the outside swing joint of contact 3 has hot plate 4, be provided with a plurality of heat pipes 5 in the hot plate 4, after to calender roll oiling, high temperature oil is when centrifugal sheave 2, flowing pressure promotes the chute, make it rotate, then make contact 3 outwards move along the chute, outwards release hot plate 4 and hug closely calender cover 10, hot oil temperature transmits for hot plate 4 through heat pipe 5, thereby heat calender cover 10.

Meanwhile, the inner side of the adjusting push block 6 is provided with a pressure equalizing cavity 7, a buffer ball 8 is arranged between the pressure equalizing cavity 7 and the adjusting push block 6, a balance hole 9 is formed in the inner side of the pressure equalizing cavity 7 extending into the shell 1, the pressure equalizing cavity 7 is connected with the inner cavity of the shell 1 through the balance hole 9, when oil flows through the cavity, the pressure equalizing cavity 7 can be filled with the oil, according to the Bernoulli principle, when the oil pressure and the flow speed change, the pressure of the pressure equalizing cavity 7 changes correspondingly, the adjusting push block 6 pushes the heating plate 4 to ensure that the heating plate 4 is just opposite to the inner surface of the calendaring sleeve 10, and local flaws can be effectively controlled.

When the equipment is shut down accidentally, the oil pressure drops sharply, so that the oil in the shell 1 cannot drive the centrifugal grooved wheel 2 to deflect, then the contact element 3 drives the heating plate 4 to be folded inwards, and the high-temperature heating plate 4 does not conduct heat directly to the press polish sleeve 10, so that the safety of the equipment is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.