CN201989398U - Strip type jacket oil heating roller - Google Patents

Abstract

The utility model discloses a strip type jacket oil heating roller, which comprises an inner tube, an input shaft, end covers, a baffle plate, an inner barrel, an outer barrel, battens, an inner annular plate, an air-permeable plate, a supporting shaft and a connecting tube. The input shaft is a hollow shaft; a left radial hole and a right radial hole are arranged at one end of the input shaft combined with the connecting tube; the inner tube is inserted into the inner hole of the input shaft, crosses the left radical hole and then is connected with a step to form a two-way independent passage; an axial blind hole is arranged at one end of the supporting shaft combined with the connecting tube and communicated with the radial holes; the inner barrel is connected with the input shaft and the supporting shaft through the inner annular plate, the baffle plate and the end covers; a strip-shaped groove consisting of the battens is arranged in a jacket between the inner barrel and the outer barrel; and the jacket is communicated with an oil inlet cavity, an oil return cavity and the two-way independent passage by means of oil inlet holes at two ends of the wall of the inner barrel and an oil return hole at one end. In the utility model, the temperature error on the surface of the roller is less than 5 DEG C through two-way equivalent heat exchange so that the product quality is improved. The strip type jacket oil heating roller is suitable to be matched with rollers in various specifications.

Description

Strip formula chuck oil heat roller tube

Technical field

The utility model relates to a kind of roller that prints the complete machine adapted, and specifically, the utility model relates to the high strip formula chuck oil heat roller tube of a kind of heat exchange efficiency.

Background technology

The oil heat roller tube is the heat-exchange device that directly contacts with cloth in the seal complete machine, and its heat exchange structure has determined heat exchange efficiency.Traditional oily heat roller tube is a cylindrical container, and heat transferring medium is discharged from the other end after an end injects again, and built-in medium is by the external Hot swapping of outer wall.This heat exchange structure is very simple, can realize the available heat displacement.China Patent No. 200420080372.1 discloses a kind of jacket type roller, and this technology adopts jacket structured, effectively reduces the roller internal volume, has accelerated the replacement velocity of medium, has reduced heat-energy losses, improves heat exchange efficiency.But it is sunken that prior art still exists some structures to unload, and promptly heat transferring medium is discharged from the other end after an end injects again, medium trickling length is successively decreased with heat energy and is directly proportional, consequently the heat exchange efficiency of medium injection end is higher than outlet side, and forming roller surface has the temperature difference, and the temperature difference is about 30 ℃ usually.The roller surface excessive temperature differentials, must influence transmit the uniformity that quality is handled in cloth oven dry or cooling.

The utility model content

The utility model is primarily aimed at the deficiencies in the prior art, and it is simple to propose a kind of heat exchange structure, and the memory medium amount is few, and medium is replaced fast, heat exchange efficiency height, and the minimum strip formula chuck oil heat roller tube of surface temperature difference.

The utility model is achieved through the following technical solutions technical goal.

Strip formula chuck oil heat roller tube, it comprises interior pipe, power shaft, end cap, dividing plate, inner core, urceolus, lath, inner ring plate, permeability cell, bolster and adapter.Described power shaft is a hollow shaft structure, and bolster is the solid shafting structure, takes over two ends coaxial fixedly connected power shaft and bolster respectively.Described inner core and urceolus are the cylinder-shaped thin wall tube, and inner core and urceolus fit with diameter difference form chuck, the sealed at both ends connection end cap of urceolus, and inner core stage casing inwall is alternate fixedly connected inner ring plate axially.Described end cap is provided with axial draining hole and links up chuck.Its improvements are: power shaft is provided with twice with adapter binding end outer wall respectively has the left radial hole of 4～6 Φ 20～Φ 25mm and right radial hole to run through tube wall, interior external diameter of pipe is less than the power shaft diameter of bore, injects interior Guan Yiduan in the power shaft endoporus and crosses left radial hole and fixedly connected the two-way autonomous channel of formation with built-in step.The binding end of described bolster and adapter is provided with axial blind hole, and the radial hole of uniform 4～6 Φ 20～Φ 25mm is linked up axial blind hole on the outer wall.Described dividing plate is an annular sheet spare, be fixedly connected on the right radial hole both sides of power shaft respectively, the end cap in left side is fixedly connected on the left radial hole outside, bolster is with the inboard fixedly connected dividing plate of radial hole, the fixedly connected end cap in the outside, connect and compose two separate oil-feed cavitys with the dividing plate and the end cap seal at two ends respectively behind the inner core suit, and an oil return cavity.Described permeability cell axially runs through dividing plate and end cap, and the three is tightly connected and constitutes the internal and external pressure balance structure.Described lath is the strip sheet member, lath is distributed between inner core and the urceolus in the chuck, 50～the 120mm of being separated by between the lath forms axial strip slot, on the inner tube wall of strip slot two ends, be respectively equipped with fuel feed hole and the spill port of Φ 20～Φ 25mm, the fuel feed hole that is positioned at two ends is linked up two ends oil-feed cavity facing to right radial hole on the power shaft and the radial hole on the bolster respectively, and spill port is linked up the oil return cavity facing to the left radial hole on the power shaft.

In the said structure, lath uniform on the inner tank theca is a two-way heat exchange unit with short two length, wherein batten ends right-hand member leaving certain gaps uncovered by the economic plan, form two return flow lines that bar-shaped trough communicates, establish fuel feed hole and spill port respectively in the left end both sides, two long laths are formed independent bar-shaped trough in addition, and left end is provided with spill port in the groove, and right-hand member is provided with fuel feed hole and forms half-duplex channel.

The utility model compared with prior art has following good effect:

1, the built-in slab of chuck groove structure into strips, strip slot and fuel feed hole, spill port constitute medium bilateral flow passage and drainback passage, and this structure is accomplished balanced Hot swapping, and the roller surface temperature error helps improving the quality of products less than 5 ℃;

2, the chuck internal volume is little, and the medium memory space is few, and the medium replacement velocity is fast, and heat-energy losses is little, significantly improves heat exchange efficiency;

3, the strip slot of being made up of lath is built in and forms rib structure in the chuck, has strengthened structural strength;

4, medium reduces the machining amount and the corresponding accessory of other member only from the turnover of power shaft one end, also reduces maintenance capacity, good economy performance simultaneously.

Description of drawings

Fig. 1 is the utility model structural profile schematic diagram.

Fig. 2 is Fig. 1 left view.

Fig. 3 is the inner core expanded view, the position of signal lath and fuel feed hole and spill port among the figure.

The specific embodiment

Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in further detail.

Strip formula chuck oil heat roller tube shown in Figure 1, it comprises interior pipe 1, power shaft 2, end cap 3, dividing plate 4, inner core 5, urceolus 6, lath 7, inner ring plate 8, permeability cell 9, bolster 10 and takes over 11.Described power shaft 2 is for hollow shaft structure is positioned at left end, and bolster 10 is positioned at right-hand member for the solid shafting structure, takes over 11 two ends coaxial fixedly connected power shaft 2 and bolster 10 respectively.Described inner core 5 and urceolus 6 are the cylinder-shaped thin wall tube, and it is jacket structured that the inner core 5 with diameter difference and urceolus 6 fits form, urceolus 6 sealed at both ends connection end caps 3, and inner core 5 stage casing inwalls are alternate fixedly connected inner ring plate 8 axially.Described end cap 3 is provided with axial draining hole 3.1 and links up chuck.The utility model is provided with twice at power shaft 2 with adapter 11 binding end outer walls respectively has the left radial hole 2.1 of 4～6 Φ 20～Φ 25mm and right radial hole 2.2 to run through tube wall, interior pipe 1 external diameter is less than power shaft 2 diameter of bores, inject interior pipe 1 one ends of power shaft 2 endoporus, cross left radial hole 2.1 and fixedly connected the two-way autonomous channel of formation with built-in step.Described bolster 10 is provided with axial blind hole 10.2 with the binding end of taking over 11, and the radial hole 10.1 of uniform 4～6 Φ 20～25mm is linked up axial blind hole 10.2 on the outer wall.Present embodiment is the strip formula chuck oil heat roller tube of Φ 570mm, respectively disposes the radial hole of 4 Φ 25mm on power shaft 2 and the bolster 10.Described dividing plate 4 is an annular sheet spare, be fixedly connected on right radial hole 2.2 both sides of power shaft 2 respectively, the end cap 3 in left side is fixedly connected on left radial hole 2.1 outsides, bolster 10 is with radial hole 10.1 inboard fixedly connected dividing plates 4, the fixedly connected end cap 3 in the outside, being tightly connected with the dividing plate 4 at two ends and end cap 3 respectively behind inner core 5 suits constitutes two separate oil suction chambers, and an oil return cavity.Described permeability cell 9 axially runs through dividing plate 4 and end cap 3, and the three is tightly connected and constitutes the internal and external pressure balance structure.Described lath 7 is the strip sheet member, lath 7 is distributed between inner core 5 and the urceolus 6 in the chuck as shown in Figures 2 and 3,50～the 120mm of being separated by between the lath 7 forms axial strip slot, present embodiment inner core 5 outer wall girth 1557mm, the lath 7 of uniform 18 86mm of being separated by constitutes 18 strip slots on inner core 6 outer walls, be respectively equipped with fuel feed hole 5.1 and the spill port 5.2 of Φ 25mm on inner core 5 walls of strip slot two ends, the fuel feed hole 5.1 that is positioned at two ends is respectively facing to right radial hole 2.2 and the 10.1 ditch pass two-way oil suction chamber bodies of the radial hole on the bolster 10 on the power shaft 2.18 uniform on inner core 5 outer walls shown in Figure 3 laths 7 are a two-way heat exchange unit with short two length, wherein batten ends 7 right-hand member leaving certain gaps uncovered by the economic plans, form two return flow lines that bar-shaped trough communicates, be respectively equipped with fuel feed hole 5.1 and spill port 5.2 in the left end both sides, two long laths 7 are formed independent bar-shaped trough in addition, left end is provided with spill port 5.2 in the groove, and right-hand member is provided with fuel feed hole 5.1 and forms half-duplex channel.

When the utility model is used, at first introduce medium by interior pipe 1, medium divides two-way to enter in the chuck, one the road enters oil suction chamber from radial hole 2.2, enter in the chuck in the return flow line from fuel feed hole 5.1 then, enter left radial hole 2.1, from the endoporus of power shaft 2, discharge again through spill port 5.2.Another road enters into corresponding oil suction chamber from bolster (10) radial hole 10.1, enter in the chuck the half-duplex channel from fuel feed hole 5.1 then, medium flows to the opposing party along bar-shaped trough, finally also is back to oil back chamber through spill port 5.2, discharges from the endoporus of power shaft 2 along left radial hole 2.1.The utility model adopts two-way equivalent heat exchange structure, makes the roller surface temperature error less than 5 ℃, reduces by 25 ℃ of temperature difference than prior art, has significantly improved product Hot swapping quality.

Claims (2)

1. strip formula chuck oil heat roller tube, it comprises interior pipe (1), power shaft (2), end cap (3), dividing plate (4), inner core (5), urceolus (6), lath (7), inner ring plate (8), permeability cell (9), bolster (10) and adapter (11); Described power shaft (2) is a hollow shaft structure, and bolster (10) is the solid shafting structure, takes over (11) two ends coaxial fixedly connected power shaft (2) and bolster (10) respectively; Described inner core (5) and urceolus (6) are the cylinder-shaped thin wall tube, and the inner core (5) with diameter difference forms chuck with urceolus (6) fit, the sealed at both ends connection end cap of urceolus (6) (3), and inner core (5) stage casing inwall is alternate fixedly connected inner ring plate (8) axially; Described end cap (3) is provided with axial draining hole (3.1) and links up chuck; It is characterized in that: power shaft (2) is provided with twice with adapter (11) binding end outer wall respectively has the left radial hole (2.1) of 4～6 Φ 20～Φ 25mm and right radial hole (2.2) to run through tube wall, in pipe (1) external diameter less than power shaft (2) diameter of bore, inject interior pipe (1) one end in power shaft (2) endoporus and cross left radial hole (2.1) and fixedly connected the two-way autonomous channel of formation with built-in step; Described bolster (10) is provided with axial blind hole (10.2) with the binding end of taking over (11), and the radial hole (10.1) of uniform 4～6 Φ, 20～Φ 25mm is linked up axial blind hole (10.2) on the outer wall; Described dividing plate (4) is an annular sheet spare, be fixedly connected on right radial hole (2.2) both sides of power shaft (2) respectively, the end cap (3) in left side is fixedly connected on left radial hole (2.1) outside, bolster (10) is with the inboard fixedly connected dividing plate of radial hole (10.1) (4), the outside fixedly connected end cap (3), being tightly connected with the dividing plate (4) at two ends and end cap (3) respectively behind inner core (5) suit constitutes two separate oil-feed cavitys, and an oil return cavity; Described permeability cell (9) axially runs through dividing plate (4) and end cap (3), and the three is tightly connected and constitutes the internal and external pressure balance structure; Described lath (7) is the strip sheet member, lath (7) is distributed between inner core (5) and the urceolus (6) in the chuck, 50～the 120mm of being separated by between the lath (7) forms axial strip slot, on strip slot two ends inner cores (5) wall, be respectively equipped with fuel feed hole (5.1) and the spill port (5.2) of Φ 20～Φ 25mm, the fuel feed hole (5.1) that is positioned at two ends is linked up two ends oil-feed cavity facing to right radial hole (2.2) on the power shaft (2) and the radial hole (10.1) on the bolster (10) respectively, and spill port (5.2) is linked up the oil return cavity facing to the left radial hole (2.1) on the power shaft (2).

2. strip formula chuck oil heat roller tube according to claim 1, it is characterized in that: lath (7) uniform on described inner core (5) outer wall is a two-way heat exchange unit with short two length, wherein batten ends (7) right-hand member leaving certain gaps uncovered by the economic plan, form two return flow lines that bar-shaped trough communicates, establish fuel feed hole (5.1) and spill port (5.2) respectively in the left end both sides, two long laths (7) are formed independent bar-shaped trough in addition, left end is provided with spill port (5.2) in the groove, and right-hand member is provided with fuel feed hole (5.1) and forms half-duplex channel.

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