CN217192920U

CN217192920U - Slitting device for non-ferrous metal strips

Info

Publication number: CN217192920U
Application number: CN202221019759.0U
Authority: CN
Inventors: 王良辉; 王炳胜; 赖赠涛
Original assignee: Fujian Nanlv Strip Processing Co ltd
Current assignee: Fujian Nanlv Strip Processing Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-16
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a non-ferrous metal strip slitting device, which comprises two slitting cutter shafts and at least one shearing structure which are arranged in parallel; the nonferrous metal strip to be cut passes through the two cutting knife shafts and is cut under the shearing cooperation of the male knife and the female knife on the cutting knife shaft; two steering rollers are arranged on the discharge sides of the two slitting cutter shafts; shearing burr orientation one of them all back non ferrous metal strip of cutting of branch cutter axle is as first group back non ferrous metal strip of cutting, and shearing burr orientation another all back non ferrous metal strip of cutting of branch cutter axle is as second group back non ferrous metal strip of cutting, and first group back non ferrous metal strip of cutting and second group back non ferrous metal strip of cutting correspond the tensioning respectively and walk around one turn to the roller and move forward, and the shearing burr of non ferrous metal strip all faces the turn to roller. The utility model discloses can effectively alleviate the shearing burr to the influence of batching the rolling, improve the regularity of batching the rolling, avoid appearing the staggered floor.

Description

Slitting device for non-ferrous metal strip

Technical Field

The utility model relates to a non ferrous metal field especially relates to a device of cutting of non ferrous metal strip.

Background

The existing non-ferrous metal coiled material slitting production line generally comprises an uncoiler, an uncoiling tensioning roller mechanism, a slitting device and a coiler which are sequentially arranged along the production line direction. The non-ferrous metal material roll (such as an aluminum alloy material roll) is uncoiled through an uncoiler, then conveyed to a slitting device through an uncoiling tensioning roller mechanism, and a non-ferrous metal sheet which is slit by the slitting device is coiled through a coiling machine in cooperation with tensile stress. The problems of irregular coiling and staggered layers often occur in the coiling and bottoming processes of non-ferrous metal sheets.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of cutting of non ferrous metal strip, it can effectively alleviate the influence of shearing burr to batching the rolling to improve the regularity of batching the rolling, avoid appearing the staggered floor.

A cutting device for non-ferrous metal strips comprises two cutting knife shafts and at least one cutting structure which are arranged in parallel;

each shearing structure comprises a male cutter and a female cutter which can be mutually sheared and matched, the male cutter in each shearing structure is fixedly arranged on any one of the two slitting cutter shafts, and the female cutter is fixedly arranged on the other slitting cutter shaft in the two slitting cutter shafts;

the non-ferrous metal strip to be cut passes through the two cutting knife shafts and is cut under the shearing cooperation of each male knife and the corresponding female knife;

two steering rollers are arranged on the discharge sides of the two slitting cutter shafts;

all the cut nonferrous metal strips which face one of the slitting cutter shafts after slitting are taken as a first group of cut nonferrous metal strips, all the cut nonferrous metal strips which face the other slitting cutter shaft after slitting are taken as a second group of cut nonferrous metal strips, the first group of cut nonferrous metal strips stretch to pass around one of the steering rollers and move forwards, and the cut burrs of the first group of cut nonferrous metal strips all face one of the steering rollers; the second group of the cut nonferrous metal strips stretch to wind around the other turning roll and move forwards, and the cutting burrs of the second group of the cut nonferrous metal strips face to the other turning roll.

The non-ferrous metal strip to be cut is cut under the shearing cooperation of the male knife and the female knife. Due to the axial clearance between the male knife and the female knife, the part to be cut of the nonferrous metal strip to be cut can be torn along the cutting direction during the cutting process, so that cutting burrs are formed. Because the utility model discloses a nonferrous metal strip after cutting is around establishing with shearing burr state tensioning inwards on the steering roll for shearing burr can alleviate under the effect of steering roll and nonferrous metal strip self tension, thereby improves the regularity of batching rolling.

When the number of the shearing structures is larger than or equal to two, the shearing structures are arranged at intervals along the axial direction of the slitting cutter shaft, and the male cutters and the female cutters on each slitting cutter shaft are sequentially and alternately arranged. For the cut nonferrous metal strip with the two sheared edges at the two sides, the directions of the shearing burrs at the sheared edges at the two sides are consistent, when the cutting burrs bypass the steering roller, the shearing burrs at the sheared edges at the two sides can be lightened together, and the tension at the two transverse sides of the strip is more uniform.

Every the delivery side of turn to the roller all has set gradually face compression roller and rolling machine along the traffic direction of non ferrous metal strip, and non ferrous metal strip is S-shaped tensioning in proper order and walks around after cutting turn to the roller, correspond the face compression roller is convoluteed and is corresponded realize the rolling on the spool outer sleeve of rolling machine.

The turning roll is driven by the non-ferrous metal strip to synchronously rotate.

Preferably, the steering roller and the slitting knife shaft are arranged in parallel, so that the non-ferrous metal strips after slitting can be smoothly carried to the corresponding steering roller, and the uniform transverse tension is ensured.

Preferably, the two steering rollers are arranged on two sides of the non-ferrous metal strip, the first group of the non-ferrous metal strip after being cut and the second group of the non-ferrous metal strip after being cut are separated towards two sides respectively, so that the crossing is avoided, and the layout is more reasonable.

Preferably, shaft seats are respectively arranged at two shaft ends of each slitting cutter shaft, and each slitting cutter shaft is erected between two corresponding shaft seats; and the two shaft seats corresponding to one of the cutting knife shafts and the two shaft seats corresponding to the other cutting knife shaft move relatively to realize the shearing matching of the male knife and the female knife.

Drawings

Fig. 1 is a schematic front view of a slitting apparatus for non-ferrous metal strip according to the present invention, wherein the direction indicated by the arrow on the non-ferrous metal strip is the running direction of the non-ferrous metal strip; the arrow on the winder spool indicates the rotation direction of the winder spool;

fig. 2 is a schematic top view of the two-split cutter shaft of the present invention;

fig. 3 is the distribution schematic diagram of the shearing burrs on the cut nonferrous metal strip obtained after the nonferrous metal strip is cut by two adjacent shearing structures of the utility model.

Detailed Description

The present invention will be described more fully with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown.

A 3003 aluminum alloy strip of 0.3mm by 204.1 gauge was slit for example.

Referring to fig. 1 to 3, a cutting device for non-ferrous metal strip includes two cutting shafts (10, 20) and five cutting structures 30 arranged in parallel;

each of the shearing structures 30 comprises a male knife 31 and a female knife 32 capable of shearing and matching with each other, the male knife 31 of each shearing structure 30 is fixedly mounted on any one of the two slitting knife shafts 10, and the female knife 32 is fixedly mounted on the other one of the two slitting knife shafts 20;

the aluminum alloy strip 40 to be slit passes through the two slitting knife shafts (10, 20) and is slit under the shearing cooperation of each male knife 31 and the corresponding female knife 32;

two steering rollers 51 are arranged on the discharging sides of the two slitting cutter shafts (10, 20);

the shearing structures 30 are arranged at intervals along the axial direction of the slitting cutter shafts (10 and 20), and the male cutters 31 and the female cutters 32 on each slitting cutter shaft (10 and 20) are alternately arranged in sequence;

all the slit aluminum alloy strips which are generated after slitting and face one of the slitting cutter shafts 10 are taken as a first group of slit aluminum alloy strips, all the slit aluminum alloy strips which are generated after slitting and face the other slitting cutter shaft 20 are taken as a second group of slit aluminum alloy strips, the first group of slit aluminum alloy strips stretch around one of the steering rollers 51 and move forwards, and the slit burrs 60 of the first group of slit non-ferrous metal strips face one of the steering rollers 51; the second group of slit aluminum alloy strips stretch around the other turning roll 51 and move forwards, and the shearing burrs of the second group of slit non-ferrous metal strips face the other turning roll 52.

The aluminum alloy strip 40 to be slit is slit under the shearing cooperation of the male knife 31 and the female knife 32. Due to the axial clearance between the male knife 31 and the female knife 32, the portion to be cut of the aluminum alloy strip 40 to be slit is torn along the cutting direction during the cutting process, so that a cutting burr is formed. Because the utility model discloses an aluminum alloy strip 40 after cutting is around establishing with shearing burr state tensioning inwards on turn to the roller 51 and move forward for shearing burr can alleviate under the effect of turn to roller 51 and aluminum alloy strip 40 self tension, thereby improves the regularity of batching rolling. Moreover, for the slit aluminum alloy strip with both sides being cut edges, the directions of the cut burrs at the cut edges at both sides are consistent, when the aluminum alloy strip bypasses the turning roll 51, the cut burrs 60 at the cut edges at both sides can be relieved together, and the tension at both sides of the strip in the transverse direction is more uniform.

Of course, the number of the shearing structures 30 according to the present invention can be adjusted according to the width of the aluminum alloy strip to be slit and the width of the slit aluminum alloy strip. The number of shear structures 30 shown may also be one, or ≧ three. In addition, the number of the turning rollers 51 is not limited to two, and if only one aluminum alloy strip meeting the requirements is obtained after slitting, only one turning roller 51 is needed to convey the aluminum alloy strip meeting the requirements. Of course, when the number of the first group of slit aluminum alloy strips is more than two, the first group of slit aluminum alloy strips can share one turning roll 51, or different turning rolls 51 can be used, and similarly, when the number of the second group of slit aluminum alloy strips is more than two, the number of the turning rolls 51 is more than or equal to two.

The turning rolls (51, 52) are driven by the non-ferrous metal strip 40 to synchronously rotate under the tension of the non-ferrous metal strip 40.

In the specific implementation process, as shown in fig. 1, a surface pressing roller 80 and a winding machine are sequentially arranged on the discharge side of each of the turning rollers 51 along the running direction of the aluminum alloy strip 40, and after slitting, the aluminum alloy strip 40 is sequentially tensioned in an S shape to pass around the turning rollers 51, the corresponding surface pressing rollers 80 and be wound on the corresponding outer reel sleeves 90 of the winding machine to realize winding.

Preferably, as shown in fig. 1, the turning rolls 51 are arranged in parallel with the slitting knife shafts (10, 20), so that the slit aluminum alloy strips 40 can be smoothly received onto the corresponding turning rolls 51, and the uniform transverse tension is ensured.

Preferably, as shown in fig. 1, the two turning rolls 51 are arranged on two sides of the aluminum alloy strip 40, and the first group of slit aluminum alloy strips and the second group of slit aluminum alloy strips are separated towards two sides respectively, so that crossing is avoided, and the layout is more reasonable.

Preferably, as shown in fig. 2, two shaft seats 100 are respectively disposed at two shaft ends of one of the branch cutter shafts 10, two shaft seats 110 are respectively disposed at two shaft ends of the other branch cutter shaft 10, and each branch cutter shaft (10, 20) is respectively erected between the two corresponding shaft seats (100, 110); the two bases 100 corresponding to one of the splitting knife shafts and the two bases 110 corresponding to the other splitting knife shaft move relatively to each other, so that the male knife 51 and the female knife 52 are in shearing fit. In a specific implementation process, as shown in fig. 2, the two shaft seats 100 corresponding to one of the cutter shafts 10 are all fixedly disposed, and a reciprocating driving mechanism capable of driving the two shaft seats 110 to move relative to the two shaft seats 100 corresponding to one of the cutter shafts 10 is disposed outside the two shaft seats 110 corresponding to the other cutter shaft 20. As shown in fig. 2, the reciprocating drive mechanism may be a lead screw and nut mechanism.

The utility model discloses a device of cutting of non ferrous metal strip not only is applicable to the aluminum alloy strip, and it is applicable to all non ferrous metal strips.

The utility model discloses right the utility model belongs to the technical field of the ordinary skilled person, do not deviating from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A cutting device for non-ferrous metal strips comprises two cutting knife shafts and at least one cutting structure which are arranged in parallel;

each shearing structure comprises a male cutter and a female cutter which can be mutually sheared and matched, the male cutter in each shearing structure is fixedly arranged on any one of the two slitting cutter shafts, and the female cutter is fixedly arranged on the other slitting cutter shaft;

two steering rollers are arranged on the discharge sides of the two slitting cutter shafts; the method is characterized in that:

2. A slitting device for non-ferrous metal strips according to claim 1 wherein: when the number of the shearing structures is larger than or equal to two, the shearing structures are arranged at intervals along the axial direction of the slitting cutter shaft, and the male cutters and the female cutters on each slitting cutter shaft are sequentially and alternately arranged.

3. A slitting device for non-ferrous metal strips according to claim 1 wherein: every the delivery side of turn to the roller all has set gradually face compression roller and rolling machine along the traffic direction of non ferrous metal strip, and non ferrous metal strip is S-shaped tensioning in proper order and walks around after cutting turn to the roller, correspond the face compression roller is convoluteed and is corresponded realize the rolling on the spool outer sleeve of rolling machine.

4. A slitting device for non-ferrous metal strips according to claim 1 wherein: the turning roll is driven by the non-ferrous metal strip to synchronously rotate.

5. A slitting device for non-ferrous metal strips according to claim 1 wherein: the steering roller is parallel to the slitting knife shaft.

6. A slitting device for non-ferrous metal strips according to claim 1 wherein: the two steering rollers are arranged on two sides of the nonferrous metal strip respectively.

7. A slitting device for non-ferrous metal strips according to claim 1 wherein: two shaft seats are respectively arranged at two shaft ends of each slitting cutter shaft, and each slitting cutter shaft is erected between two corresponding shaft seats; and the two shaft seats corresponding to one of the cutting knife shafts and the two shaft seats corresponding to the other cutting knife shaft move relatively to realize the shearing matching of the male knife and the female knife.