CN207507978U - Roller mill with locking function - Google Patents

Abstract

The utility model is related to a kind of roller mills with locking function, and including rack, topping roll group and bottom roll group, topping roll group and bottom roll group are symmetrically disposed in rack；Rack in the both sides of topping roll group and bottom roll group rotates and is provided with latch respectively, each latch is opened up there are two locking slot, second topping roll and the second bottom roll are respectively arranged in two locking slots of same latch, third topping roll and third bottom roll are set respectively in two locking slots of same latch, and each moving block is connected to the edge of a locking slot respectively.By rotating each moving block, so that moving block is clamped on the surface of latch, so that the second topping roll, the second bottom roll, third topping roll and third bottom roll are fixed on latch, and the first topping roll and the first bottom roll are enclosed within latch, during dismounting, each moving block is rotated respectively, so that moving block is turned in locking slot, enable latch rotating opening, effectively increase the replacement efficiency of roll, improve production efficiency.

Description

Roller mill with locking function

Technical field

The utility model is related to roll technology field, more particularly to the roller mill with locking function.

Background technology

The steel disc of stainless steel is widely used in machinery, electronics and automobile and other industries.Steel disc has to pass through in production to be rolled The roll-in of roller machine.Pass through the roll-in of roller mill so that steel disc surface has higher flatness, and with stronger hardness.

After prolonged use, surface will carry clast to the roll of roller mill, such as remove clast not in time, it will so that Clast, by roll-in, it is uneven so that steel disc surface generates between steel disc and roll, is unfavorable for improving the flatness of steel disc, In addition so that the easy to carry clast of steel disc, the quality for causing steel disc are bad.

In order to remove clast in time, after roller mill runs a period of time, need to dismantle on roll, by machine oil to roll It is cleaned, in cleaning process, in order to not influence the operation of roller mill, needs clean roll being mounted on roller mill, Enable roller mill continuous service, to improve roll efficiency.The roll fixed structure of traditional roller mill is complex, causes The disassembly and installation work of roll is relatively complicated, and the replacement inefficiency of roll influences production efficiency.

Utility model content

Based on this, it is necessary to provide a kind of roller mill with locking function.

A kind of roller mill with locking function, including rack, topping roll group and bottom roll group, the topping roll group and institute Bottom roll group is stated to be symmetrically disposed in the rack；

The topping roll group includes at least the first topping roll, the second topping roll and third topping roll, second topping roll It is oppositely arranged with the third topping roll level, and is connected to the both sides above first topping roll, the bottom roll respectively Group includes at least the first bottom roll, the second bottom roll and third bottom roll, second bottom roll and the third bottom roll water Flat to be oppositely arranged, and be connected to the both sides below first bottom roll respectively, first topping roll under described first with rolling Roller is oppositely arranged vertically, and mutually rotation abuts；

One end of second topping roll, one end of the third topping roll, one end of second bottom roll and described One end of third bottom roll rotates respectively is provided with moving block；

The rack in the both sides of the topping roll group and the bottom roll group rotates and is provided with latch respectively, Mei Yisuo It states latch to open up there are two locking slot, second topping roll and second bottom roll are respectively arranged at the same locking In two locking slots of plate, the third topping roll and the third bottom roll set the two of the same latch respectively In a locking slot, each moving block is connected to the edge of a locking slot respectively.

Second topping roll and the third topping roll are set in same level in one of the embodiments,.

Second bottom roll and the third bottom roll are set in same level in one of the embodiments,.

Second topping roll and second bottom roll are oppositely arranged vertically in one of the embodiments,.

The third topping roll and the third bottom roll are oppositely arranged vertically in one of the embodiments,.

The moving block is cuboid in one of the embodiments,.

The length of the moving block is more than the width of the locking slot in one of the embodiments,.

The section of the locking slot is arc in one of the embodiments,.

The section of the locking slot is semicircle in one of the embodiments,.

Each moving block passes through rolling bearing and the one of second topping roll respectively in one of the embodiments, End, one end rotation connection of one end of the third topping roll, one end of second bottom roll and the third bottom roll.

Latch is turned to the second topping roll, the second bottom roll, rolled in third by the above-mentioned roller mill with locking function One end of roller and third bottom roll so that the second topping roll, the second bottom roll, third topping roll and third bottom roll one end point It is not accommodated in locking slot and is fixed, by rotating each moving block so that moving block is clamped on the surface of latch, so as to make The second topping roll, the second bottom roll, third topping roll and third bottom roll are fixed on latch, and by the first topping roll It is enclosed within latch with the first bottom roll, during dismounting, rotates each moving block respectively so that moving block turns to locking slot It is interior, so that latch being capable of rotating opening so that the first topping roll and the first bottom roll can be quickly removed and be replaced, The first topping roll of roll and the replacement efficiency of the first bottom roll are effectively increased, so as to improve production efficiency.

Description of the drawings

Fig. 1 is that the latch of the roller mill with locking function of one embodiment is in the structural representation of opening state Figure；

Fig. 2 is that the latch of the roller mill with locking function of one embodiment is in the structural representation of locking state Figure.

Specific embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make new to this practicality The more thorough and comprehensive that the disclosure of type understands.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.Term used herein is intended merely to description specific embodiment Purpose, it is not intended that in limitation the utility model.Term as used herein " and/or " including one or more relevant institutes The arbitrary and all combination of list of items.

For example, a kind of roller mill with locking function, including rack, topping roll group and bottom roll group, the topping roll Group and the bottom roll group are symmetrically disposed in the rack；The topping roll group includes at least the first topping roll, rolls on second Roller and third topping roll, second topping roll and the third topping roll level are oppositely arranged, and are connected to described respectively Both sides above one topping roll, the bottom roll group includes at least the first bottom roll, the second bottom roll and third bottom roll, described Second bottom roll and the third bottom roll level are oppositely arranged, and are connected to the both sides below first bottom roll respectively, First topping roll is oppositely arranged vertically with first bottom roll, and mutually rotation abuts；The one of second topping roll End, one end of the third topping roll, one end of second bottom roll and the third bottom roll one end rotate set respectively It is equipped with moving block；The rack in the both sides of the topping roll group and the bottom roll group rotates and is provided with latch respectively, often One latch is opened up there are two locking slot, and second topping roll and second bottom roll are respectively arranged at same described In two locking slots of latch, the third topping roll and the third bottom roll set the same latch respectively Two locking slots in, each moving block is connected to the edge of a locking slot respectively.

In above-described embodiment, latch is turned under the second topping roll, the second bottom roll, third topping roll and third and is rolled One end of roller so that the second topping roll, the second bottom roll, third topping roll and third bottom roll one end be respectively contained in locking It is fixed in slot, by rotating each moving block so that moving block is clamped on the surface of latch, so that being rolled on second Roller, the second bottom roll, third topping roll and third bottom roll are fixed on latch, and will be rolled under the first topping roll and first Roller is enclosed within latch, during dismounting, rotates each moving block respectively so that and moving block is turned in locking slot, so that Latch being capable of rotating opening so that the first topping roll and the first bottom roll can be quickly removed and replaced, and be effectively increased First topping roll of roll and the replacement efficiency of the first bottom roll, so as to improve production efficiency.

In one embodiment, as depicted in figs. 1 and 2, a kind of roller mill 10 with locking function is provided, including：Machine Frame 100, topping roll group 200 and bottom roll group 300, the topping roll group 200 and the bottom roll group 300 are symmetrically disposed on described In rack 100；The topping roll group includes at least the first topping roll 210, the second topping roll 220 and third topping roll 230, described Second topping roll 220 and 230 level of third topping roll are oppositely arranged, and be connected to respectively on first topping roll 210 The both sides of side, the bottom roll group includes at least the first bottom roll 310, the second bottom roll 320 and third bottom roll 330, described Second bottom roll 320 and 330 level of third bottom roll are oppositely arranged, and be connected to respectively under first bottom roll 310 The both sides of side, first topping roll 210 are oppositely arranged vertically with first bottom roll 310, and mutually rotation abuts；It is described One end of second topping roll 220, one end of the third topping roll 230, one end of second bottom roll 320 and the third One end of bottom roll 330 rotates respectively is provided with moving block 510；The rack 100 in the topping roll group 200 and it is described under roll The both sides of roller group 300 rotate respectively is provided with latch 400, and each latch 400 is opened up there are two locking slot 410, institute It states the second topping roll 220 and second bottom roll 320 is respectively arranged at two lockings of the same latch 400 In slot 410, the third topping roll 230 and the third bottom roll 330 set two of the same latch 400 respectively In the locking slot 410, each moving block 510 is connected to the edge of a locking slot 410 respectively.

For example, two latch 400 are oppositely arranged, for example, the mutually activity of two latch 400 abuts, for example, two A latch 400 is symmetrical arranged about the central axis of the vertical direction of first topping roll 210, for example, rack 100 Rotation axis 140 that there are two upper settings, each latch 400 are rotatably dispose in respectively in a rotation axis 140, for example, Two rotation axis 140 are vertically arranged, and each roll is horizontally disposed with, in this way, latch 400 is around the rotation axis being vertically arranged 140 rotate in the horizontal direction, for example, each latch 400 is used to rotate in the horizontal direction, for example, each locking Plate 400 is in the horizontal direction by the side far from topping roll group 200 and bottom roll group 300 towards close to topping roll group 200 and bottom roll group 300 side rotation.

In the present embodiment, the first bottom roll 310 by the second bottom roll 320 and third bottom roll 330 support, and on first Roll 210 is by the support of the first bottom roll 310 so that the first bottom roll 310 and the first topping roll 210 are without directly and rack 100 connect and are fixed, and two latch 400 can equally be opened similar to double door, be rotated in two latch 400 After opening so that the first topping roll 210 and the first bottom roll 310 can be taken by quick so that, due to the first topping roll 210 and the One bottom roll 310 is not directly anchored in rack 100, and therefore, the first topping roll 210 and the first bottom roll 310 are dismantled and pacified Dress i.e. for convenience, being capable of quick-replaceable.

In order to provide the first topping roll 210 and the first bottom roll 310 balanced pressure so that 210 He of the first topping roll First bottom roll 310 is better to the roll of steel disc, for example, second topping roll 220 and the third topping roll 230 It is set in same level, for example, second bottom roll 320 and the third bottom roll 330 are set to same level On.In this way, the second topping roll 220 and third topping roll 230 can be the pressure that the first topping roll 210 provides equilibrium, and second Bottom roll 320 and third bottom roll 330 provide balanced support force for the first bottom roll 310, so that the first topping roll 210 and first bottom roll 310 it is better to the roll of steel disc.

For example, the width of the latch 400 is more than between second topping roll 220 and second bottom roll 320 Distance, for example, the width of the latch 400 be more than between the third topping roll 230 and the third bottom roll 330 Distance, since the first topping roll 210 and the first bottom roll 310 are set between the second topping roll 220 and the second bottom roll 320, And be set between third topping roll 230 and third bottom roll 330, in this way, when latch 400 is to the second topping roll 220, the After two bottom rolls 320, third topping roll 230 and third bottom roll 330 are locked, the first topping roll 210 and the first bottom roll 310 will It is enclosed in rack 100 by two latch 400, avoids the first topping roll 210 and the first bottom roll 310 exposed, and to first 210 and first bottom roll 310 of topping roll plays the role of block, and the first topping roll 210 and the first bottom roll 310 is avoided to skid off.

For example, second topping roll 220 and second bottom roll 320 are oppositely arranged vertically, for example, in the third Roll 230 and the third bottom roll 330 are oppositely arranged vertically.For example, two locking slots on same latch 400 410 are vertically aligned, and are opened in the top and bottom of latch 400 respectively so that 300 energy of topping roll group 200 and bottom roll group It is enough to be symmetrical arranged, it is more balanced to the roll-in force of steel disc so that pressing effect is more preferably.

In order to realize locking of the moving block 510 on latch 400, for example, the moving block 510 is cuboid.Such as Fig. 2 Shown, the length of the moving block 510 is more than the width of the locking slot 410, for example, the width of the moving block 510 is less than The width of the locking slot 410, in this way, the length direction rotational value when moving block 510 is concordant with the width direction of locking slot 410 When so that moving block 510 is connected to 410 edge of locking slot, that is, is connected to latch 400 so that moving block 510 and lock Tight plate 400 coordinates jointly, respectively (for ease of viewing, omits the second topping roll 220, the second bottom roll 320 under second in Fig. 2 320 corresponding moving block of roll), third topping roll 230 and third bottom roll 330 lock, when the width direction of moving block 510 When turning to concordant with the width direction of locking slot 410, since the width of moving block 510 is less than the width of locking slot 410 so that Latch 400 can pass through moving block 510 by locking slot 410, so that latch 400 can be opened.

It is matched for the shape preferably with roll, for example, the section of the locking slot 410 is arc, for example, the locking The cross section of slot 410 is arc, for example, the locking slot 410 is arc groove, for example, the section of the locking slot 410 is semicircle Shape, the cross section of the locking slot 410 is semicircle, for example, the arc groove is semi-circular groove, in this way, locking slot 410 is cut Face shape is more matched with the second topping roll 220, the second bottom roll 320, third topping roll 230 and third bottom roll 330, is had Conducive to further fixing the second topping roll 220, the second bottom roll 320, third topping roll 230 and third bottom roll 330.

In order to enable the second topping roll 220, the second bottom roll 320, third topping roll 230 and third bottom roll 330 are locked It can be rotated while tight, realize the transmission to the first topping roll 210 and the first bottom roll 310 so that 210 He of the first topping roll First bottom roll 310 is rotated carries out rolling to steel disc, for example, each moving block 510 passes through rolling bearing and described the respectively One end of two topping rolls 220, one end of the third topping roll 230, one end of second bottom roll 320 and described One end rotation connection of three bottom rolls 330.In this way, pass through rolling bearing so that moving block 510 can be fixed on latch 400 On, and the second topping roll 220, the second bottom roll 320, third topping roll 230 and third bottom roll 330 can still rotate, and be The transmission of first topping roll 210 and the first bottom roll 310 so that the first topping roll 210 and the first bottom roll 310 are rotated to steel disc Carry out rolling.

In order to enable latch 400 move it is more steady, for example, 400 one end of latch passes through torsional spring (not shown) and institute Rotation axis 140 is stated to connect, for example, the torsion spring set is set in rotation axis 140, one end and rotation axis connection, the other end and lock Tight plate 400 connects, in this way, being connect by torsional spring latch 400 with rotation axis 140 more close so that 400 turns of latch By the opposition of torsional spring in dynamic so that latch 400 rotate it is more slow so that latch 400 rotates more Steadily.

In order to avoid frequently friction leads to the abrasion of moving block between moving block 510 and latch 400, for example, described turn What motion block 510 was connected to the latch 400 is provided with scuff-resistant coating on one side, for example, the scuff-resistant coating is rubber layer, for example, rotation What block 510 was connected to latch 400 is provided with binding groove on one side, and the rubber layer is at least partly inserted in binding groove, is rotated Block 510 is connected to the edge of the locking slot of latch 400 by rubber layer, since the rubber layer is detachable setting so that rubber Glue-line is replaceable upon wear, rubber layer can effective protection moving block 510, avoid 510 excessive wear of moving block.

In order to enable the pressure distribution of roll is more balanced so as to the pressing effect of steel disc more preferably, in one embodiment In, as shown in Figure 1, the topping roll group 200 includes the first topping roll 210, the second topping roll 220, third topping roll 230, the Four topping rolls 240, the 5th topping roll 250 and the 6th topping roll 260, the 5th topping roll 250 and the 6th topping roll 260 It is symmetrically arranged in the both sides of the 4th topping roll 240, second topping roll 220 and the third topping roll 230 divide It is not symmetrically disposed on the both sides of the 4th topping roll 240, and second topping roll 220 and the third topping roll 230 divide It is not connected to the 4th topping roll 240, second topping roll 220 is set to the lower section of the 5th topping roll 250, and Second topping roll 220 is abutted with the 5th topping roll 250, and the third topping roll 230, which is set on the described 6th, to be rolled The lower section of roller 260, and the third topping roll 230 is abutted with the 6th topping roll 260,220 He of the second topping roll The top of both sides that the alignment of third topping roll 230 sets and is respectively arranged at first topping roll 210, described first Topping roll 210 abuts respectively with second topping roll 220 and the third topping roll 230.

For example, the vertical direction of the 5th topping roll 250 and the 6th topping roll 260 about the 4th topping roll 240 On central axis be symmetrical arranged, second topping roll 220 and the third topping roll 230 are about the 4th topping roll 240 Central axis on vertical direction is symmetrical arranged.

The bottom roll group 300 includes rolling under the first bottom roll 310, the second bottom roll 320, third bottom roll the 330, the 4th Roller 340, the 5th bottom roll 350 and the 6th bottom roll 360, the 5th bottom roll 350 and the 6th bottom roll 360 are right respectively Title is set to the both sides of the 4th bottom roll 340, and second bottom roll 320 and the third bottom roll 330 are respectively symmetrically The both sides of the 4th bottom roll 340 are set to, and second bottom roll 320 and the third bottom roll 330 abut respectively In the 4th bottom roll 340, second bottom roll 320 is set to the top of the 5th bottom roll 350, and described Two bottom rolls 320 are abutted with the 5th bottom roll 350, and the third bottom roll 330 is set to the 6th bottom roll 360 Top, and the third bottom roll 330 is abutted with the 6th bottom roll 360, second bottom roll 320 and described The alignment of three bottom rolls 330 sets and is respectively arranged at the lower section of the both sides of first bottom roll 310, first bottom roll 310 abut respectively with second bottom roll 320 and the third bottom roll 330.

For example, the vertical direction of the 5th bottom roll 350 and the 6th bottom roll 360 about the 4th bottom roll 340 On central axis be symmetrical arranged, second bottom roll 320 and the third bottom roll 330 are about the 4th bottom roll 340 Central axis on vertical direction is symmetrical arranged.

The diameter of first topping roll 210 is respectively smaller than second topping roll 220 and the third topping roll 230 Diameter, the diameter of first bottom roll 310 are respectively smaller than the straight of second bottom roll 320 and the third bottom roll 330 Diameter；First topping roll 210 and first bottom roll 310 are oppositely arranged, and mutually abut.

It is noted that the abutting of each topping roll and each bottom roll is abutted for rotation, that is, circumferential surface mutually supports It connects, and can rotate.

For example, the diameter of first topping roll 210 is respectively smaller than the second topping roll 220, third topping roll the 230, the 4th The diameter of topping roll 240, the 5th topping roll 250 and the 6th topping roll 260, the diameter of first bottom roll 310 are respectively smaller than Two bottom rolls, third bottom roll 330, the 4th bottom roll 340, the 5th bottom roll 350 and the 6th bottom roll 360 diameter.For example, First topping roll 210 is equal with the diameter of first bottom roll 310.

That is, in the present embodiment, the diameter of the diameter of the first topping roll 210 and the first bottom roll 310 is 12 It is minimum in a roll, it should which that connection, the diameter of roll is smaller, is conducive to carry out roll-in to thinner steel disc.And roll Diameter it is smaller, the degree of balance is weaker, in other words, is less susceptible to stress equalization, such as simply by the diameter of roll reduce, easily Cause roll discontinuity equalization, cause pressing effect bad.And in the present embodiment, due to topping roll group 200 and with bottom roll group 300 are respectively arranged with six rolls, and six rolls are symmetrical arranged so that the pressure of topping roll group 200 and bottom roll group 300 Being capable of equiblibrium mass distribution so that the first topping roll 210 and the first bottom roll 310 respectively by balanced pressure or support force, into And the first topping roll 210 and the first bottom roll 310 is enabled smoothly to carry out roll-in to steel disc so that pressing effect is preferable, And since the diameter of the first topping roll 210 and the first bottom roll 310 is smaller, is conducive to improve roll-in precision, be conducive to thickness Relatively thin steel disc carries out roll-in so as to the pressing effect of the steel disc of thinner thickness more preferably.

It should be understood that in order to complete the roll-in of steel disc, it is desirable to provide larger pressure, for example, as shown in Fig. 2, institute It states rack 100 and includes upper spider 110 and lower bearing bracket 120, upper spider 110 is movably set in rack 100, and topping roll group 200 is set Upper spider 110 is placed in, bottom roll group 300 is set to lower bearing bracket 120, for example, the 4th topping roll 240, the 5th topping roll 250 and Six topping rolls 260 are rotatably dispose in respectively on upper spider 110, for example, the 4th bottom roll 340, the 5th bottom roll 350 and the 6th Bottom roll 360 is rotatably dispose in respectively on lower bearing bracket 120, and in the present embodiment, roller mill 10 further includes oil cylinder (not shown), oil cylinder It is drivingly connected with upper spider 110, in this way, oil cylinder is by driving upper spider 110 to push so that the topping roll group on upper spider 110 200 are pressed downward, and cooperation bottom roll group 300 jointly exerts a force to two surfaces of steel disc, roll-in are carried out to steel disc, by adjusting oil cylinder Driving force, can realize the adjustment to the pressure of roll-in.

For example, in dismounting, hydraulic oil cylinder driving upper spider 110 moves upwards so that topping roll group 200 and bottom roll group 300 The distance between increase, convenient for the dismounting of the first topping roll 210 and the first bottom roll 310.

For example, roller mill 10 further includes driving motor, for example, driving motor connects with the 4th topping roll 240 driving It connects, in this way, driving motor is by driving the 4th topping roll 240 so that the 4th topping roll 240 rotates, and the 4th topping roll 240 passes through Respectively with the abutting of the second topping roll 220, third topping roll 230, the 5th topping roll 250 and the 6th topping roll 260, the is driven Two topping rolls 220, third topping roll 230, the 5th topping roll 250 and the 6th topping roll 260 rotate, and 220 He of the second topping roll The rotation of third topping roll 230 then drives the first topping roll 210 to rotate, and for another example, driving motor drives with the 4th bottom roll 340 Dynamic connection, in this way, driving motor is by driving the 4th bottom roll 340 so that the 4th bottom roll 340 rotates, the 4th bottom roll 340 Pass through the abutting respectively with the second bottom roll 320, third bottom roll 330, the 5th bottom roll 350 and the 6th bottom roll 360, band Dynamic second bottom roll 320, third bottom roll 330, the 5th bottom roll 350 and the 6th bottom roll 360 rotate, and the second bottom roll 320 and the rotation of third bottom roll 330 the first bottom roll 310 is then driven to rotate, for example, being rolled under the first topping roll 210 and first The rotation direction of roller 310 is on the contrary, in this way, press to topping roll group 200 by oil cylinder, and that gone by driving motor Topping roll group 200 and bottom roll group 300 rotate so that steel disc passes through between the first topping roll 210 and the first bottom roll 310 When, it is rolled.

Using the roll mounting structure of traditional roller mill, a roll is dismounted, needs to shut down half an hour, and is used above-mentioned Roller mill in embodiment dismounts a roll, it is only necessary to five minutes, greatly shorten the replacement time of roll, effectively increase Production efficiency.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of roller mill with locking function, which is characterized in that including rack, topping roll group and bottom roll group, it is described on Roll stacks and the bottom roll group are symmetrically disposed in the rack；

The topping roll group includes at least the first topping roll, the second topping roll and third topping roll, second topping roll and institute It states third topping roll level to be oppositely arranged, and is connected to the both sides above first topping roll respectively, the bottom roll group is extremely Include the first bottom roll, the second bottom roll and third bottom roll, second bottom roll and the horizontal phase of third bottom roll less To setting, and it is connected to the both sides below first bottom roll respectively, first topping roll is erected with first bottom roll It is directly oppositely arranged, and mutually rotation abuts；

One end of second topping roll, one end of the third topping roll, one end of second bottom roll and the third One end of bottom roll rotates respectively is provided with moving block；

The rack in the both sides of the topping roll group and the bottom roll group rotates and is provided with latch respectively, each lock Tight plate opens up that there are two locking slots, and second topping roll and second bottom roll are respectively arranged at the same latch In two locking slots, the third topping roll and the third bottom roll set two institutes of the same latch respectively It states in locking slot, each moving block is connected to the edge of a locking slot respectively.

2. the roller mill according to claim 1 with locking function, which is characterized in that second topping roll and described Third topping roll is set in same level.

3. the roller mill according to claim 1 with locking function, which is characterized in that second bottom roll and described Third bottom roll is set in same level.

4. the roller mill according to claim 1 with locking function, which is characterized in that second topping roll and described Second bottom roll is oppositely arranged vertically.

5. the roller mill according to claim 1 with locking function, which is characterized in that the third topping roll and described Third bottom roll is oppositely arranged vertically.

6. the roller mill according to claim 1 with locking function, which is characterized in that the moving block is cuboid.

7. the roller mill according to claim 1 with locking function, which is characterized in that the length of the moving block is more than The width of the locking slot.

8. the roller mill according to claim 1 with locking function, which is characterized in that the section of the locking slot is arc Shape.

9. the roller mill according to claim 1 with locking function, which is characterized in that the section of the locking slot is half It is round.

10. the roller mill according to claim 1 with locking function, which is characterized in that each moving block leads to respectively Cross one end of rolling bearing and second topping roll, one end of the third topping roll, second bottom roll one end with And one end rotation connection of the third bottom roll.