CN1446732A

CN1446732A - Heating drum

Info

Publication number: CN1446732A
Application number: CN 02108273
Authority: CN
Inventors: 喻孟华
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-25
Filing date: 2002-03-25
Publication date: 2003-10-08
Anticipated expiration: 2022-03-25
Also published as: CN1199781C

Abstract

A heating drum is composed of a drum body, a central hollow axle passing through the drum body axially for allowing the drum body to rotate around it, a conductor connected to power supply and contained in the cavity of said hollow axle, and a heating element arranged axially inside the drum body and connected to said conductor for heating the drum body.

Description

Heated roller

(1) technical field

The present invention relates to a kind of heated roller, particularly relate to a kind of track protector heated roller that reduces the space and have the higher-energy utilization ratio.

(2) background technology

Be illustrated in figure 1 as an existing track protector heated roller and heater element and be used in combination view, this composite set comprises the heated roller 7 of a pair of vertical configuration up and down and is located at this a pair of heater element 8 to heated roller two outsides about in the of 7, this drives synchronously by a transmission device (not shown) heated roller 7 and is contrarotation mutually, and the intermarginal appropriate gap that leaves on upside heated roller 7 lower edges and the downside heated roller 7, make one wait to protect shellfish object 9 (as photo) and on a page-protecting film 91 heated roller 7 is being pressed by this by this gap simultaneously, and the thermal radiation that makes heater element 8 is to heated roller 7, and further treating and protecting that shellfish object 9 and page-protecting film 91 produce the hot pressing effects and make this two tight joint is one.

In the actual use of above-mentioned existing apparatus, wait to protect that 91 of shellfish object 9 and page-protecting films are often still residual that a small amount of bubble arranged, make sealing property between the two influenced by it, so there is another existing design as shown in Figure 2 to produce.The heated

roller

71,72 of configuration before and after being provided with two groups among Fig. 2, every group of heated roller 71 (72) also comprises a pair of heated roller 71 (72) of vertical configuration up and down, a pair of heater element 8 is located at 71,72 of two groups of heated rollers, lay respectively between the heated roller, heater element of upper and lower both sides and then have a gap jointly, for waiting to protect shellfish object 9 and page-protecting film 91 passes through.Wait to protect shellfish object 9 and page-protecting film 91 therebetween after first group of heated roller 71 will remaining air extrusion be discharged, be high hot state through the radiation effect of upper and lower sides heater element 8 again, then by first group of heated roller 71 finish pressing driving fit protect the shellfish step.

No matter just Fig. 1 or the illustrated existing heated roller of Fig. 2 and heater element make up kenel, for avoiding hindering and the heated roller running, the heated roller outside all is located at heater element in this design, and borrows radiation effect conduct heat conduction path therebetween.But obviously, this heater element is except that the track protector certain space that will account for, and the heat energy that heater element produces is most can't to be absorbed the very power consumption so its efficiency of utilization is extremely low by heated roller with loss everywhere.

(3) summary of the invention

Main purpose of the present invention is to provide a kind of and saves the space and the heated roller of tool higher-energy utilization ratio.

Of the present invention time a purpose is to provide a kind of heated roller, saves the heater element installing space by heater element being located at inner barrel.

Another object of the present invention is to provide a kind of heated roller, have the higher-energy utilization ratio by heater element being enclosed within inner barrel.

For achieving the above object, technical scheme of the present invention is as follows:

A kind of heated roller comprises a cylindrical shell, a pivot shaft and a heater element, and the transmission device in order to be installed in a track protector by this track protector drives, and will wait to protect shellfish object and page-protecting film is heated roll extrusion; This cylindrical shell is to wait to protect shellfish object and page-protecting film crimping with its radially outer edge and this, and this cylindrical shell is installed with at least one driven member that this cylindrical shell is rotated by this transmission device drive; This pivot shaft be along cylindrical shell axially be arranged in this cylindrical shell, spinning motion is made in the axle center that makes this cylindrical shell be able to relative pivot shaft, the inner space that also forms of this pivot shaft wears with power supply bonded assembly conductor part length for one; This heater element is that to be positioned at cylinder inner and axially be provided with along pivot shaft, and heater element is connected away from power end with this lead, this lead is switched on after, heater element generation heat energy and through radiation delivery to this cylindrical shell.

And in a preferred embodiment of the present invention, above-mentioned cylindrical shell radially outer edge is also around coating a crimping layer, waits to protect shellfish object or page-protecting film in order to closely to overlay in cooresponding, further will wait to protect between shellfish object and page-protecting film the residual air extruding and discharge.

For further specifying purpose of the present invention, constructional feature and effect, the present invention is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the running condition scheme drawing of first kind of existing heated roller and heater element combination.

Fig. 2 is the running condition scheme drawing of second kind of existing heated roller and heater element combination.

Fig. 3 is the exploded perspective view of a preferred embodiment of the present invention.

Fig. 4 is the combination stereogram of a preferred embodiment of the present invention

Fig. 5 is the running condition lateral plan of a preferred embodiment of the present invention, its part and through analysing and observe so that express.

(5) specific embodiment

Shown in Fig. 3,4, a kind of heated roller 1 of the present invention, it is installed in the track protector (not shown) at least in pairs, in order to will wait that protecting shellfish thing (as photo) is heated roll extrusion with page-protecting film, closely is coated on page-protecting film and protects on the shellfish thing.This heated roller 1 comprises a hollow cylindrical metal cylinder 2, cylindrical shell 2 radially outer edges are around coating the crimping layer 21 that one deck is made by softer material (not imperial as iron), wait to protect shellfish object and page-protecting film pressing process and residual air between its face of joint can be discharged through extruding more closely to overlay in cooresponding shellfish thing or the page-protecting film of protecting, to make.The circular actuation part 22 that cylindrical shell 2 each projection one diameter of axial two ends slightly reduce, and with the sheathed driven gear 23 of fixing of an actuation part 22 peripheries wherein drives this cylindrical shell 2 rotations for driving gear (not shown) engagement of a motor driven.This respectively sets firmly a bearing 24 to actuation part 22 inner edges, and bearing 24 internal sleeve are located at a pivot shaft 3 that axially wears this cylindrical shell 2, and making cylindrical shell 2 is that the relative pivot shaft 3 in axle center is made spinning motion by the auxiliary of bearing 24 with pivot shaft 3.This pivot shaft 3 is to be a hollow metal axis body in present embodiment, the one end axially is arranged in pivot shaft 3 inside with a lead 4 from this end opening, these lead 4 one ends are to connect from track protector in-to-in one power supply, the other end then passes pivot shaft 3 axial walls in cylindrical shell 2 inner radial, and be positioned at cylindrical shell 2 inside and be connected along heater element 5 one ends of pivot shaft 3 axial arrangement with one, so that the electric energy that this heater element 5 is supplied lead 4 transfers heat energy to, and the heating position of this heater element 5 makes the heat of heater element 5 be passed to cylindrical shell 2 fast by radiation effect still not to be in contact with it You Jia near cylindrical shell 2 inwalls as far as possible.

This heater element 5 is one vertically around the heater coil of pivot shaft 3 in the present embodiment, be provided with connecting element 51 in coil with pivot shaft 3 corresponding all intermarginal appropriate locations, to strengthen this coil single-piece fixing positioning action, and also be provided with an adiabatic layer 52 between connecting element 51 and pivot shaft 3 periphery contact surfaces, avoid the heating of heater element 5 to conduct to pivot shaft 3 through connecting element 51.Change in the example in other, this heater element 5 also can change adopts constant temperature ceramic resistor (PTC), quartz heating tube, electric heating piece, or other materials that electric energy can be transferred to heat energy make, and have relatively as by number demihull shapes serial connection, single lamellar body or other suitable patterns.

As shown in Figure 5, when heated roller 1 of the present invention uses, can vertically be installed in it in track protector (not shown) in pairs up and down, and be fixedly arranged on the track protector corresponding position with pivot shaft 3 two ends of heated roller 1, and comprise motor by one, the transmission device of driving gear (not shown) drives driven gear 23 synchronously, make 1 contrarotation of two heated rollers, and it is intermarginal and leave an appropriate gap on upside heated roller 1 lower edge and the downside heated roller 1, make wait to protect shellfish object 6 and on page-protecting film 61 pressing by this correspondence by this gap heated roller 1, and getting rid of in the lump and wait to protect shellfish object 6 and 61 gases of page-protecting film, is one and make this two tight joint.

Compare the combination form of existing various heated rollers and heater element, the present invention directly is located at heater element 5 heated roller 1 inside, except that heater element 5 installing spaces that can save track protector make the unitary construction simplification, because heater element 5 is to be enclosed within heated roller 1 inside, the heat overwhelming majority that heater element 5 produces will be absorbed by heated roller 1 by radiation, so have the higher-energy utilization ratio.In addition, heater element 5 of the present invention not with heated roller 1 inwall direct contact, do not have yet and use the day bad problem of abrasion long afterwards, and have than the long life.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.

Claims

1, a kind of heated roller, be installed in the track protector casing and driven by a transmission device of this track protector, wait to protect the shellfish object and a page-protecting film is heated roll extrusion with one, this heated roller comprises: a cylindrical shell, a pivot shaft that axially is arranged in this cylindrical shell and along this cylindrical shell are positioned at this cylinder inside and along the heater element that this pivot shaft axially is provided with, it is characterized in that:

This cylindrical shell is to wait to protect shellfish object and page-protecting film crimping with its radially outer edge and this, and this cylindrical shell is provided with at least one driven member that this cylindrical shell is rotated by this transmission device drive;

This pivot shaft can make this cylindrical shell relatively make spinning motion in the axle center of this pivot shaft, and the inner space that forms of this pivot shaft wears for the partial-length of one and one power supply bonded assembly lead;

This heater element also is connected with the end of this lead away from this power supply, make this lead energising after, this heater element can produce heat energy and through radiation delivery to this cylindrical shell.

2, heated roller as claimed in claim 1 is characterized in that:

At least one driven member of this cylindrical shell be sheathed be fixed in this drum shaft to a driven gear of an end outer rim, and this transmission device have a motor and with this driven gear ingear driving gear.

3, heated roller as claimed in claim 1 is characterized in that:

This cylindrical shell radially outer edge also coats a soft crimping layer, waits to protect shellfish object and page-protecting film in order to closely to overlay in cooresponding this.

4, heated roller as claimed in claim 1 is characterized in that:

This drum shaft respectively is provided with a bearing to inside, two ends, axially is sheathed on this to bearing for this pivot shaft.

5, heated roller as claimed in claim 1 is characterized in that:

The axial two ends of this pivot shaft are to be fixedly arranged on this track protector casing.

6, as each described heated roller of claim 1 to 5, it is characterized in that:

This pivot shaft is a hollow axis body, this partial-length that makes this lead along this hollow axis body inner shaft to configuration.

7, heated roller as claimed in claim 6 is characterized in that:

This lead radially passes this hollow axis body away from an end of this power supply and is connected with this heater element.

8, as each described heated roller of claim 1 to 5, it is characterized in that:

This heater element is one along the axial circumferential coil of this pivot shaft.

9, as each described heated roller of claim 1 to 5, it is characterized in that:

At least be provided with a connecting element between this heater element and this pivot shaft radially outer edge, in order to this heater element of auxiliary positioning.

10, heated roller as claimed in claim 9 is characterized in that:

Also be provided with an adiabatic layer between this connecting element and the corresponding radially outer edge of this pivot shaft, conduct to this pivot shaft in order to the heat that blocks this connecting element.