CN202318710U

CN202318710U - Sheet calendar roller

Info

Publication number: CN202318710U
Application number: CN 201120394011
Authority: CN
Inventors: 何海潮; 刘红彬
Original assignee: SUZHOU JEWELL PRECISION MACHINERY CO Ltd
Current assignee: SUZHOU JEWELL PRECISION MACHINERY CO Ltd
Priority date: 2011-10-17
Filing date: 2011-10-17
Publication date: 2012-07-11
Anticipated expiration: 2021-10-17

Abstract

A sheet calendar roller comprises an inner container, a roller face, a first shaft head and a second shaft head, wherein the inner container is provided with a spiral groove, the spiral groove extends backwards from the front end of the inner container in spiral mode, folds back after reaching the back end of the inner container, and continuously extends forwards along the spiral direction, the position between the inner surface of the roller face and the outer surface of the inner container is divided by the spiral groove into a plurality of cooling water flow channels, a shaft head hole is arranged in the first shaft head, a water returning hole is formed between the inner wall face of the first shaft head and the outer wall face of an inner pipe, and the second shaft head is connected with the back end portion of the inner container. The front ends of the first shaft head and the inner container are provided with a water inlet hole and a water outlet hole which penetrate through the first shaft head and the inner container along the radial direction, the water inlet hole is communicated with the shaft head hole and one end of the spiral groove, and the water outlet hole is communicated with the water returning hole and the other end of the spiral groove. The sheet calendar roller adopts a single side water inlet and outlet principle, effectively reduces the temperature difference on the surface of a sheet press roller, and enables the temperature of the roller face to be even.

Description

The sheet material felt wrapped roll

Technical field

The utility model belongs to the process equipment field of waterproof material, particularly a kind of felt wrapped roll that is applicable to the highly-efficient processing waterproof sheet.

Background technology

The PET sheet material is a kind of transparent industrial packaging sheet material; The production of PET sheet material mainly is to be melted into glue through the PET raw material with solid granular at present; Be expressed into the felt wrapped roll device of bright and clean roller surface then through the mould of extruder, and then with the machine-shaping of PET sheet material.The characteristics of this PET extrusion sheet have: have good moisture resistance and water proofing property; Transparency is good; Has good air-tightness.

In forming process, burnishing process is extremely important at this extrusion sheet, and particularly the temperature of calender roll surface is consistent very important; If temperature is inconsistent, the sheet material shaping time is different, causes the fineness of sheet material bad; Thickness is different, also influence the quality of product, and the cooling system of traditional calender roller is that common direct current jacket type or cavity structure are set in roller; Water or oil moving linearly in cavity, the distance that water flows through is roll surface length, and the temperature difference that adopts the roller of this structure to pass through is very big; The patent No. is 99228991.2 to have announced a kind of plastics calender roller; In roller, be provided with the chuck of threaded cover, water or oil move along a curved path in the helicla flute of chuck and have reduced the temperature difference on the roller surface each point to a certain extent, but because water can not shuttling movement; The surface of roller still will be lower than the temperature near the water side in the temperature near water inlet end, so the cooling velocity at sheet material two ends is inconsistent; In addition, because the installing hole of motor is little, the spindle nose that motor is installed is thinner, offers after the backwater hole on the spindle nose again, and it is lower to make the spindle nose that motor is installed form hollow-core construction intensity, therefore is easy to make the spindle nose fracture.The applied range of PET sheet material, society is in great demand, and as if improving output, cutting down the consumption of energy, must improve the hollow problem of felt wrapped roll inhomogeneous cooling and motor shaft head.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of sheet material felt wrapped roll even, that the roller surface temperature difference is little that cools off is provided.

For solving the problems of the technologies described above, the technical scheme of the utility model is: a kind of sheet material felt wrapped roll, it comprises

Inner bag offers helicla flute on the external peripheral surface of said inner bag, and described helicla flute extends back from the front end spiral of said inner bag, and behind the rear end that arrives said inner bag, turns back and continue to extend forward along the hand of spiral;

Roll surface is set in the outside of described inner bag, is separated to form multiply cooling water runner by described helicla flute between the inner surface of said roll surface and the outer surface of said inner bag;

First spindle nose, described first spindle nose is fixedly connected on the front end of described inner bag, offers the spindle nose hole that pipe inserts in can supplying to intake in described first spindle nose, forms backwater hole between the outside wall surface of the internal face of described first spindle nose and said interior pipe;

Capping, described capping is welded on the rear end face of described first spindle nose, and make said spindle nose hole and said inner bag in

The chamber is isolated;

Second spindle nose, described second spindle nose is connected with the rearward end of described inner bag;

The front end of described first spindle nose and inner bag offers inlet opening and the apopore that radially runs through described first spindle nose and inner bag; Described inlet opening is connected with described spindle nose hole and described spiral fluted one end, and described apopore is connected with the described backwater hole and the described spiral fluted other end.

The utility model technical scheme further is: pipe is fixedly connected on the described end cap in described.

Preferably, offer on the described inner bag many to said helicla flute, the front end of described first spindle nose and inner bag offer a plurality of said inlet openings respectively and apopore corresponding with said helicla flute.

Preferably, a plurality of described inlet openings and apopore are along circumferentially being evenly distributed on described first spindle nose and the inner bag.

Further, described inner bag adopts the seamless steel pipe manufacturing.

Further, the constituent material of described roll surface is a superior alloy steel, and the wall thickness of described roll surface is 14mm.

The beneficial effect of the utility model is: the utility model adopts monolateral Inlet and outlet water principle, reduces the temperature difference on tablet press machine roller surface effectively, makes roll surface temperature even, thereby reaches the purpose of high yield, low energy consumption; The utility model can make the temperature of product surface cool down very soon, so product surface is transparent good; The utility model inside is double-decker, and inner bag adopts monoblock type, makes the roll surface intensity enhancing; Because Inlet and outlet water all is positioned at a side of felt wrapped roll, therefore make the motor installation spindle nose of felt wrapped roll opposite side be able to have solid construction, can improve moment of torsion, make the course of work more safe and reliable.

Description of drawings

Fig. 1 is minor axis head, inner bag, the capping of the utility model, the installation diagram of second spindle nose;

Fig. 2 is the sketch map of the utility model;

Fig. 3 is the partial enlarged drawing at I place among Fig. 2;

Fig. 4 is the expanded view on the inner bag surface of the utility model;

Wherein: 11, first spindle nose; 12, second spindle nose; 2, inner bag; 3, capping; 4, roll surface; 5, interior pipe; 6, backwater hole; 13, spindle nose hole; 21, inlet opening; 22, apopore; 23, helicla flute.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model clearer; Below in conjunction with accompanying drawing the utility model is done further to describe in detail; Wherein, " preceding " side described in the specification is corresponding with the left side shown in the accompanying drawing 1, and " back " side described in the specification is corresponding with the right side shown in the accompanying drawing 1.

As shown in Figure 1, the felt wrapped roll of present embodiment comprises inner bag 2, roll surface 4, first spindle nose 11, second spindle nose 12, end cap 3.First spindle nose 11 is welded on the leading section of inner bag 2, and second spindle nose 12 is welded on the rearward end of inner bag 2, second spindle nose 12 be used to the to be in transmission connection output shaft of motor.Wherein, The effect of first spindle nose 1 is to be convenient to install bearing and processing roll surface 4, on the spindle nose end face of first spindle nose 11, has a spindle nose hole 13 of extending vertically, is provided with in the spindle nose hole 13 into and manages 5 in the water; The rearward end of first spindle nose 11 is welded with capping 3; The rearward end of pipe 5 is threaded on the described end cap 3 in described, and capping 3 is used to block spindle nose hole 13, and anti-sealing gets into the inner chamber of inner bag 2.Form backwater hole 6 between the outside wall surface of the internal face of described first spindle nose 11 and said interior pipe 5.

Offer 4 helicla flutes 23 on the external peripheral surface of said inner bag 2; Described helicla flute 23 extends back from the front end spiral of said inner bag 2; And behind the rear end that arrives said inner bag 2; Double flat also continues to extend forward along the hand of spiral, and inner bag 2 adopts the seamless steel pipe manufacturing of heavy wall to strengthen the intensity of roll surface, upwards is evenly distributed with 4

inlet openings

21 and 4 apopores 22 in the footpath of inner bag 2 leading sections; The two ends of helicla flute 23 are connected with an inlet opening 21 and an apopore 22 respectively; The intracavity inter-connection of 4 inlet openings and spindle nose hole 13 and

interior pipe

5,4 apopores 22 are connected with backwater hole 6 respectively, and said roll surface 4 is set in the outside of described inner bag 2; The two ends of the helicla flute 23 on the inner bag 2 are communicated with inlet opening 21 and apopore 22 respectively, therefore are separated to form complete cooling water runner by described helicla flute 23 between the outer surface of the inner surface of said roll surface 4 and said inner bag 2.The constituent material of described roll surface is a superior alloy steel, and wall thickness is less than 14mm, because the roll surface wall thickness is very thin, so cooling effect is fine.

Through said structure, make the felt wrapped roll of the utility model can realize monolateral Inlet and outlet water, so second spindle nose 12 of inner bag 2 rear ends can adopt solid construction to strengthen moment of torsion, second spindle nose 12 is connected with motor through key.

The operation principle of the utility model is following: cooling water gets in the spindle nose hole 13 through endoporus 6; And in 4 inlet openings 21 of entering, the junction of interior pipe 5 and capping 3, cooling water flows in the helicla flutes through inlet opening 21, and the rear end of current arrival inner bag 2 again along helicla flute forward; Getting into backwater hole 6 through apopore 22 more at last flows out; So the water inlet of cooling water and the side that water outlet all is positioned at felt wrapped roll, thereby realize monolateral Inlet and outlet water, second spindle nose 12 of felt wrapped roll opposite side just need not perforate again; Can make solid construction, therefore can improve the intensity of second spindle nose 12.In addition, this monolateral Inlet and outlet water structure can make the uniformity of temperature profile of roll surface 4 front and back ends, is convenient to control the thickness and the cooling of goods.

The process of the roller of present embodiment is following: at first capping 3 is welded on first spindle nose, 11 end faces and is combined into integral body; Again first spindle nose 11 is welded on the front end of inner bag 2; At last second spindle nose 12 is welded on the rear end of inner bag 2; Make two spindle noses and inner bag 2 form an integral body, the inner bag assembly that again welding is obtained is placed on and carries out rough turn, finish turning on the lathe, and is with one heart whole to guarantee.And then, be heated to 500-600 degree centigrade with the roll surface that processes 4 heating, again inner bag assembly overall thermal is enclosed within the endoporus of roll surface 4.And then roll surface 4 and flange welded together, and then inner bag assembly integral body is placed on lathe carries out rough turn, finish turning, corase grind, correct grinding, to guarantee the linearity of roll surface 4; And guarantee that roll surface 4 is coaxial in two spindle noses, and again roll surface 4 is carried out mid frequency induction hardening, improve the hardness of roll surface; Electroplate again at last, carry out polishing after the plating, make roll surface 4 reach minute surface and equally get final product; Guarantee that roll surface not to get rusty, strengthens the hardness of roll surface.

The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.

Claims

1. sheet material felt wrapped roll, it is characterized in that: it comprises

Inner bag offers helicla flute on the external peripheral surface of said inner bag, and described helicla flute extends back from the front end spiral of said inner bag, and behind the rear end that arrives said inner bag, turns back and continue to extend forward along the hand of spiral again;

The chamber is isolated;

2. sheet material felt wrapped roll according to claim 1 is characterized in that: pipe is fixedly connected on the described end cap in described.

3. sheet material felt wrapped roll according to claim 1 is characterized in that: offer on the described inner bag many to said helicla flute, the front end of described first spindle nose and inner bag offer a plurality of said inlet openings respectively and apopore corresponding with said helicla flute.

4. sheet material felt wrapped roll according to claim 3 is characterized in that: a plurality of described inlet openings and apopore are along circumferentially being evenly distributed on described first spindle nose and the inner bag.

5. sheet material felt wrapped roll according to claim 1 is characterized in that: described inner bag adopts the seamless steel pipe manufacturing.

6. sheet material felt wrapped roll according to claim 1 is characterized in that: the constituent material of described roll surface is a steel alloy.

7. sheet material felt wrapped roll according to claim 6 is characterized in that: the wall thickness of described roll surface is 14mm.