CN106111255A - A kind of composite roll and preparation method thereof - Google Patents

Abstract

The present invention provides a kind of composite press roller, and including female roller, the surface configuration at described female roller has 6～64 sub-rollers；Described sub-roll axis is parallel with described female roll axis；The part roll body of described sub-roller is embedded in described female roll body；Described sub-roller and described female roller one cast molding.Compared with prior art, the present invention is the roll surface at a big traditional pressure roller, buries multiple more air bells removing roll by edge and forms composite press roller, forms bigger convex and concave feature at roller surface and increases the surface area of pressure roller.Use composite press roller can extend material pressing times, improve compression chord, it is allowed to material is in the mutual motion of pressurized process, it is achieved the mutual grinding between material particles.Owing to broken and process of lapping extend, when arriving maximum pressure region, partial material has been broken and has waylayed and rob.Because abrasion and the impact of roll surface are reduced by material accordingly, composite press roller structure extends the service life of pressure roller wearing layer.

Description

A kind of composite roll and preparation method thereof

Technical field

The present invention relates to machinery manufacturing technology field, in particular to have Novel roller region feature for roll squeezer On pressure roller and manufacture method.

Background technology

Roll squeezer is used to broken bulk materials, is ground into less granule, prepares for being ground into powder further. One bench roller press is generally equipped with two pressure rollers, and from top to bottom, roll gap is gradually reduced.The horizontal line of two roll shafts is formed Minimum.When material is from top to bottom through the gap of two pressure rollers, and its pressure born also is gradually increased, until being broken into less Granule.In the application, tradition pressure roller roll surface is on the smooth, cylindrical peripheral surface of pressure roller, prepares higher than roll surface, rule with overlaying method The projection then arranged.Forming the flower-pattern layer with two-dimentional style, on roll surface surface, conventional overlaying method is arranged higher than roll surface matrix Little projection, the protruding natural size being typically a welding bead.These projections form two dimension at the most smooth roller surface Decorative pattern, increases frictional surface, is conducive to bringing material into the gap between pressure roller, it is achieved broken and grinding.But two dimension decorative pattern can not Changing material particles stress time between roller few, loading process is short, has and is difficult to grind sufficient feature.For tradition pressure roller, thing The broken of material is mainly realized by the pressure added of gradually striving formed owing to the gap between roller reduces.Broken material makes pressure Roller roll surface, also by equal pressure and shock loading, causes pressure roller roll surface wear-resisting layer to wear and tear, and forms crackle.Crackle is the longest Greatly, as repaired not in time, crackle can cause large area wearing layer to come off.

Summary of the invention

The invention aims to solve the roll surface two dimension decorative pattern of roll squeezer in prior art and can not change material particles Roller between stress time few defect, it is provided that a kind of composite roll and preparation method thereof solves the problems referred to above.

To achieve these goals, technical scheme is as follows:

A kind of composite roll, including female roller, the surface configuration at described female roller has 6～64 sub-rollers；Described sub-roll axis with Described female roll axis is parallel；The part roll body of described sub-roller is embedded in described female roll body.

Preferably, in the axis of described sub-roller is embedded in described female roll body.

Preferably, described female roller surface configuration has 10～20 sub-rollers.

Preferably, adjacent two sub-rollers contact.

Preferably, the gap width of adjacent two sub-rollers exposes the width outside described female roller less than described sub-roller.

Preferably, the gap width of adjacent two sub-rollers exposes the width outside described female roller more than described sub-roller.

Preferably, the female roller surface configuration between adjacent two sub-rollers has protruding structure.

Preferably, there is protruding structure in sub-roller surface configuration.

The present invention also provides for the manufacture method of a kind of composite roll, and described composite roll is described in the arbitrary technical scheme of above-mentioned power Composite roll, its manufacture method comprises the following steps:

1) according to design requirement, the casting mould of composite roll is produced；

2) watered by casting mould and cast out composite roll roller shell；

3) the sub-roller outer surface heap at composite roll roller shell welds wearing layer；

4) the female roller surface overlaying between adjacent two sub-rollers goes out regularly arranged projection.

The present invention compared with prior art, has the advantages that

The present invention is the roll surface at a big traditional pressure roller, forms composite press roller by arranging multiple more air bells removing roll, Roller surface forms bigger convex and concave feature and increases the surface area of pressure roller.When using composite press roller can extend material pressurized Between, improve compression chord, it is allowed to material is in the mutual motion of pressurized process, it is achieved the mutual grinding between material particles.Due to broken Broken and process of lapping extends, and arrives maximum pressure region, and partial material has been broken and has waylayed and rob, thus the mill that material is to roll surface Damage and impact reduces thus the service life of composite press roller structure prolongation pressure roller wearing layer accordingly.

The roll squeezer yield rate that the composite roll provided by the present invention is supported can improve 10%-50%, saves and produces into This.On the premise of not increasing roller diameter, roller surface forms bigger convex and concave feature and increases the surface area of pressure roller.Material exists There is the flow path of complexity between two pressure rollers, extend material pressing times, improve compression chord, promote that material is in pressurized process Middle relative motion, it is achieved the mutual grinding between material particles.

Material is had an opportunity through second-time breakage and grinding.Owing to broken and process of lapping extend, arrive maximum pressure district Before territory, material may be broken and waylay and rob, and abrasion and the impact of roll surface are reduced by material accordingly.

Accompanying drawing explanation

Fig. 1 is the structural representation of 1 one kinds of roll squeezer pressure rollers of the embodiment of the present invention；

Fig. 2 is the structural representation of 2 one kinds of roll squeezer pressure rollers of the embodiment of the present invention；

Fig. 3 is the structural representation of 3 one kinds of roll squeezer pressure rollers of the embodiment of the present invention.

Detailed description of the invention

By making the architectural feature to the present invention and effect of being reached have a better understanding and awareness, in order to preferably Implement and accompanying drawing coordinate detailed description, be described as follows:

As shown in Figure 1 and Figure 2, a kind of composite roll, in its application and roll squeezer.Roll squeezer includes two composite rolls 1；Two Composite roll 1 axis is in same level；Composite roll 1 includes female roller 11, and the surface configuration at female roller 11 has 6～64 sub-rollers 12；Sub-roller 12 axis is parallel with female roller 11 axis；The part roll body of sub-roller 12 is embedded in female roller 11 body, generally by mould, and will Sub-roller 12 and female roller 11 one cast molding.

In order to improve the globality of sub-roller 12 and female roller 11, the sub-roller 12 major part roll body that the present invention provides is embedded in female roller 11 In, the typically axis with the sub-sub-roller of roller 12 12 is optimal in being embedded in female roller 11 body.

The diameter of sub-roller 12 is not more than the radius of female roller 11.The diameter of sub-roller 12 is the biggest, and the quantity of sub-roller 12 is the fewest, but The quantity being pony roll can not be less than 6, and the improvement effect that otherwise present invention brings is the most inconspicuous.On the other hand, sub-roller 12 is straight Footpath is the least, and the quantity of sub-roller 12 is the most, and the height that pony roll is exposed to big roller is the lowest, and the improvement effect that the present invention brings also can Decline.So the quantity of sub-roller 12 is less than 64.Generally 10～20 sub-rollers 12 are had to be optimal in female roller 11 surface configuration.

Embodiment 1

As it is shown in figure 1, can contact between adjacent two sub-rollers 12 on composite roll.Sub-roller 12 on two composite press rollers Relative position be also flexibly.A kind of situation is as shown in a in Fig. 1, two sub-complete para-positions of roller 12, i.e. two composite rolls 1 During rotation, it is in sub-roller 12 summit of two at two composite roll 1 minimum clearances relative.B institute in another situation such as Fig. 1 Showing, a sub-roller 12 is pointed to two composite rolls 1 in the gap of two sub-rollers 12, i.e. two pressure rollers when rotating, two composite rolls 1 On sub-roller 12 can be to engage each other, or therebetween be also effective.

Embodiment 2

As in figure 2 it is shown, can also have gap between adjacent two sub-rollers 12 on composite roll, but gap width is less than son Roller 12 exposes the width outside female roller 11.Being easy to when extruding material, material can contact with multiple simultaneously.Equally, two The relative position of the sub-roller 12 on composite press roller is also flexibly.A kind of situation is as shown in a in Fig. 2, and two sub-rollers 12 are complete Para-position, when i.e. two composite rolls 1 rotate, is in sub-roller 12 summit of two at two composite roll 1 minimum clearances relative.Other one The situation of kind is as shown in b in Fig. 2, and a sub-roller 12 is pointed to two composite rolls 1 turn in the gap of two sub-rollers 12, i.e. two pressure rollers Time dynamic, the sub-roller 12 on two composite rolls 1 can be to engage each other, or therebetween be also effective.

If having gap between adjacent two sub-rollers 12, in order to improve breaking capacity, the present invention is also at adjacent two sons Female roller 11 surface and sub-roller 12 surface configuration between roller 12 have protruding structure (not shown).These projections can be regular Arrangement, it is also possible to be the arrangement of other forms.

Embodiment 3

As it is shown on figure 3, for roll squeezer, it is also possible to use by a composite roll 1 conventional roll of arranging in pairs or groups.Used Gap can be had, it is also possible to gapless, concrete structure concrete embodiment 1 and embodiment between adjacent two sub-rollers 12 in composite roll 2。

Embodiment 4

The manufacture method of a kind of roll squeezer, including the manufacture method of composite roll 1；Composite roll 1 is answering in above-described embodiment 1 Closing roller 1, its manufacture method comprises the following steps:

Step 1., according to design requirement, produces the casting mould of composite roll 1；

Step 2. is watered by casting mould and is cast out composite roll 1 roller shell；

Step 3. welds wearing layer at the sub-roller 12 outer surface heap of composite roll 1 roller shell；

The step 4. female roller 11 surface overlaying between adjacent two sub-rollers 12 goes out regularly arranged projection.

Wherein, in step 3, go out regularly arranged projection in the surface overlaying of sub-roller 12.

Can also be by going out sub-roller 12 structure in the surface overlaying of tradition roller shell.No matter which kind of method, it is usually required mainly for control The diameter of sub-roller 12, quantity, and expose with female roller 11 surface outside height and the parameter such as width so that the combining of composite roll 1 Conjunction performance is higher.By the present invention, the yield rate of roll squeezer can improve 10%-50%, saves production cost.Do not increasing roller On the premise of diameter, increase roller surface and amass.Material has the flow path of complexity between two pressure rollers, such as arrow in Fig. 1-3 Shown in, extend material pressing times, improve compression chord, promote material relative motion in pressurized process, it is achieved material particles Between mutual grinding.

The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry The personnel simply present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description Principle, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these change and Improvement both falls within the range of claimed invention.The protection domain of application claims by appending claims and Equivalent defines.

Claims (9)

1. a composite roll, it is characterised in that: including female roller, the surface configuration at described female roller has 6～64 sub-rollers；Described son Roll axis is parallel with described female roll axis；The part roll body of described sub-roller is embedded in described female roll body；Described sub-roller and described mother Roller one cast molding.

A kind of composite roll the most according to claim 1, it is characterised in that: the axis of described sub-roller is embedded in described female roll body In.

A kind of composite roll the most according to claim 1, it is characterised in that: described female roller surface configuration has 10～20 sons Roller.

A kind of composite roll the most according to claim 1, it is characterised in that: adjacent two sub-rollers contact.

A kind of composite roll the most according to claim 1, it is characterised in that: the gap width of adjacent two sub-rollers is less than described Sub-roller exposes the width outside described female roller.

A kind of composite roll the most according to claim 1, it is characterised in that: the gap width of adjacent two sub-rollers is more than described Sub-roller exposes the width outside described female roller.

A kind of composite roll the most according to claim 1, it is characterised in that: the female roller surface between adjacent two sub-rollers sets It is equipped with protruding structure.

A kind of composite roll the most according to claim 1, it is characterised in that: the surface configuration of described sub-roller has protruding structure.

9. the manufacture method of a composite roll, it is characterised in that: described composite roll is that the claims 1 to 8 are arbitrary described Composite roll, its manufacture method comprises the following steps:

1) according to design requirement, the casting mould of composite roll is produced；

2) watered by casting mould and cast out composite roll roller shell；

3) the sub-roller outer surface heap at composite roll roller shell welds wearing layer；

4) female roller surface and sub-roller surface overlaying between adjacent two sub-rollers go out regularly arranged projection.