CN220497904U - Drum-type flying shear device - Google Patents

Drum-type flying shear device Download PDF

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Publication number
CN220497904U
CN220497904U CN202320823902.XU CN202320823902U CN220497904U CN 220497904 U CN220497904 U CN 220497904U CN 202320823902 U CN202320823902 U CN 202320823902U CN 220497904 U CN220497904 U CN 220497904U
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cutting edge
straight groove
cylinder
roller
edge
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CN202320823902.XU
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郑祥臣
柳会梅
杨国良
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Abstract

The utility model discloses a roller-type flying shear device which comprises an upper roller, a lower roller, an upper shear blade, a lower shear blade, an upper shear blade pressing block and a lower shear blade pressing block, wherein an upper oblique straight groove is obliquely arranged on the outer side of the upper roller, a lower oblique straight groove is obliquely arranged on the outer side of the lower roller, the upper shear blade is tightly pressed and installed in the upper oblique straight groove through the upper shear blade pressing block, the lower shear blade is tightly pressed and installed in the lower oblique straight groove through the lower shear blade pressing block, the upper roller and the lower roller are oppositely arranged up and down and oppositely turn, the upper shear blade and the upper shear blade are oppositely arranged up and down and are oppositely inclined, the upper oblique straight groove and the lower oblique straight groove are adjustable grooves which can be used for adjusting side gaps between the upper shear blade and the upper oblique straight groove and side gaps between the lower shear blade and the lower oblique straight groove respectively, and further, the uniform and controllable adjustment of the gaps between the upper cutting edge of the upper shear blade and the lower cutting edge of the lower shear blade is realized. The utility model can adjust the gap value of the upper and lower cutting edges to be smaller and more uniform, thereby smoothly shearing the thin strip steel.

Description

Drum-type flying shear device
Technical Field
The utility model relates to the technical field of metallurgical steel rolling machinery, has wide application in continuous strip steel treatment lines such as carbon steel, stainless steel and the like, and in particular relates to a roller type flying shear device.
Background
At present, in a strip steel continuous production processing line in the metallurgical industry, the flying shears are widely applied, the connecting rod type flying shears are not suitable for a high-speed shearing function due to large rotational inertia, and the shearing blades of the roller type flying shears are arranged on a circular roller, so that the rotational inertia of the roller is small, and the requirements of high-speed shearing are met. The former design of drum-type flying shears adopts the form of helix, though can guarantee that the shear blade clearance is even, but the processing degree of difficulty and installation degree of difficulty are big, adopt the drum-type flying shears of oblique sharp mode of processing more afterwards, but the drum-type flying shears of this mode still makes the clearance of the upper blade of upper blade and the lower blade of lower blade inhomogeneous easily, because thick belted steel is low to the homogeneity requirement of clearance of upper and lower blade, therefore this mode can be applicable to shearing thick belted steel, but the homogeneity requirement of thin belted steel to the clearance of upper and lower blade is higher, more sensitive, and the clearance value is very little, in order to guarantee that upper and lower flying shears can cut thin belted steel smoothly, the clearance value of the left and right sides full section of upper and lower blade needs to be set up very little, and because the clearance value of the left and right full section of upper and lower blade of oblique sharp flying shears can not evenly set up, left side or right side often can form the interference, thereby the degree of wearing and tearing of upper blade, lower blade is high, influence life.
Disclosure of Invention
The utility model aims to provide a drum-type flying shear device so as to solve the technical problems.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a cylinder flying shear device, including last cylinder, lower cylinder, go up the cutting edge, lower cutting edge, go up the cutting edge briquetting, lower cutting edge briquetting, the outside slope of going up the cylinder is provided with oblique straight flute, the outside slope of lower cylinder is provided with down oblique straight flute, go up the cutting edge and compress tightly the installation in the last oblique straight flute of last cylinder through last cutting edge briquetting, lower cutting edge compresses tightly the installation in the lower oblique straight flute of lower cylinder through lower cutting edge briquetting, go up the upper cylinder and set up relatively and turn to the contrary about lower cylinder, lower cutting edge and last cutting edge are counterpointed up and incline opposite direction from top to bottom, make last cylinder, when lower cylinder rotates, lower cutting edge and last cutting edge can bite with last cylinder rotation, thereby the shearing is sent into the belted steel between upper cylinder and the lower cylinder, but go up oblique straight flute, down oblique straight flute is the sharpening adjustment tank, be used for adjusting the side clearance between upper cutting edge and the oblique straight flute respectively, and lower side clearance between the oblique straight flute down, and then the even controllable clearance between the lower cutting edge of going up cutting edge and down is realized.
In one embodiment, the gap between the upper edge of the upper cutting edge and the lower edge of the lower cutting edge is 7% -10% of the thickness of the strip being sheared.
In one embodiment, when the upper diagonal slot is sharpened, the upper edge of the upper cutting edge approaches in the direction of the lower edge of the lower cutting edge, and when the lower diagonal slot is sharpened, the lower edge of the lower cutting edge approaches in the direction of the upper edge of the upper cutting edge.
In one embodiment, the projection of the upper or lower cutting edge in the vertical direction is a straight line before the sharpening, and the projection of the upper or lower cutting edge in the vertical direction is a curve after the sharpening.
In one embodiment, the upper and lower diagonal straight grooves are of the same magnitude of inclination angle.
In one embodiment, the upper and lower diagonal straight grooves are inclined at an angle ranging from 0-3 °.
The utility model has the following beneficial effects:
the device comprises an upper roller, a lower roller, an upper cutting edge, a lower cutting edge, an upper cutting edge pressing block and a lower cutting edge pressing block, wherein an upper inclined straight groove is obliquely arranged on the outer side of the upper roller, a lower inclined straight groove is obliquely arranged on the outer side of the lower roller, the upper cutting edge is tightly pressed and installed in the upper inclined straight groove of the upper roller through the upper cutting edge pressing block, the lower cutting edge is tightly pressed and installed in the lower inclined straight groove of the lower roller through the lower cutting edge pressing block, the upper roller and the lower roller are oppositely arranged up and down and are opposite in rotation direction, the lower cutting edge and the upper cutting edge are oppositely arranged up and down, and the inclined directions are opposite, so that when the upper roller and the lower roller rotate, the lower cutting edge and the upper cutting edge can be meshed with the rotation of the upper roller and the lower roller, strip steel fed between the upper roller and the lower roller is sheared, the upper inclined straight groove and the lower inclined straight groove are adjustable grooves which are respectively used for adjusting side gaps between the upper cutting edge and the upper inclined straight groove, the side gaps between the lower cutting edge and the lower inclined straight groove are respectively, the upper cutting edge and the lower cutting edge are evenly controlled, the upper cutting edge and the lower cutting edge can be evenly adjusted, the left side and right side edges can not be evenly worn down, and the upper cutting edge can be prevented from being worn down, and the left side edges and lower edges can be smoothly adjusted, and the edges can be adjusted, and the edges on the side edge can be well, and the side and the lower edge can be cut.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of an upper drum according to an embodiment of the present utility model;
fig. 3 is a schematic view of the structure of a lower drum according to an embodiment of the present utility model.
The drawings are marked: 1 upper roller, 2 lower roller, 3 upper cutting edge, 4 lower cutting edge, 5 upper cutting edge pressing block, 6 lower cutting edge pressing block, 7 upper oblique straight groove and 8 lower oblique straight groove.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
Referring to fig. 1-3, as an embodiment of the present utility model, a drum-type flying shear device is provided, which comprises an upper drum 1, a lower drum 2, an upper shear blade 3, a lower shear blade 4, an upper shear blade pressing block 5 and a lower shear blade pressing block 6, wherein an upper inclined straight groove 7 is obliquely arranged on the outer side of the upper drum 1, a lower inclined straight groove 8 is obliquely arranged on the outer side of the lower drum 2, the upper shear blade 3 is installed in the upper inclined straight groove 7 of the upper drum 1 in a pressing manner through the upper shear blade pressing block 5, the lower shear blade 4 is installed in the lower inclined straight groove 8 of the lower drum 2 in a pressing manner through the lower shear blade pressing block 6, the upper drum 1 and the lower drum 2 are oppositely arranged up and down and are opposite in rotation direction, the lower shear blade 4 and the upper shear blade 3 are oppositely arranged up and down, and the inclination directions are opposite, so that when the upper drum 1 and the lower drum 2 rotate, the lower shear blade 4 and the upper shear blade 3 can be meshed with each other along with the rotation of the upper drum 1 and the lower drum 2, thereby the shearing of a strip steel fed between the upper drum 1 and the lower drum 2, the upper inclined straight groove 7 and the lower inclined straight groove 8 are respectively, the upper and lower shear blade 8 can be adjusted, the gap between the upper and the lower blade 3 and the upper blade 3 can be adjusted uniformly, and the lower blade 3, and the gap between the upper and lower blade 3 and the upper blade 3 and the lower blade 3 can be adjusted uniformly. The utility model is widely applied to galvanization and acid rolling combined units, and can adjust the gap values of the left and right whole sections of the upper and lower cutting edges of the drum-type flying shears to be smaller and more uniform, so that the left or right sides of the upper and lower cutting edges can not interfere, thereby avoiding the abrasion of the upper cutting edge 3 and the lower cutting edge 4 and ensuring the service life.
The gap between the upper edge of the upper cutting edge 3 and the lower edge of the lower cutting edge 4 is 7% -10% of the thickness of the sheared strip steel, and in this embodiment, when the thickness of the sheared strip steel is 1mm, the gap between the upper edge and the lower edge is 0.1mm.
In this embodiment, when the upper inclined straight groove 7 is sharpened, the upper edge of the upper cutting edge 3 approaches in the direction of the lower edge of the lower cutting edge 4, and when the lower inclined straight groove 8 is sharpened, the lower edge of the lower cutting edge 4 approaches in the direction of the upper edge of the upper cutting edge 3. Specifically, when the clearance value between the upper edge and the lower edge on the left side is smaller than the clearance value state between the upper edge and the lower edge on the right side (the left side with the upper edge and the lower edge is in an interference state), the right side of the upper inclined straight groove 7 of the upper roller 1 can be solely subjected to polishing adjustment, or the right side of the lower inclined straight groove 8 of the lower roller 2 can be solely subjected to polishing adjustment, or the right side of the upper inclined straight groove 7 of the upper roller 1 and the right side of the lower inclined straight groove 8 of the lower roller 2 can be simultaneously subjected to polishing adjustment, so that the parallelism of the upper edge and the lower edge can be realized, and the clearance reaches the standard; when the clearance value of the upper and lower cutting edges on the left side is larger than the clearance value state of the upper and lower cutting edges on the right side (the right side containing the upper and lower cutting edges is in an interference state), the left side of the upper inclined straight groove 7 of the upper roller 1 can be solely subjected to polishing adjustment, or the left side of the lower inclined straight groove 8 of the lower roller 2 can be solely subjected to polishing adjustment, or the left side of the upper inclined straight groove 7 of the upper roller 1 and the left side of the lower inclined straight groove 8 of the lower roller 2 can be simultaneously subjected to polishing adjustment, so that the parallelism of the upper and lower cutting edges and the clearance reaching the standard can be realized; when the thin strip steel is sheared, the gap between the upper cutting edge of the upper shearing blade 3 and the lower cutting edge of the lower shearing blade 4 is required to be uniformly adjusted to be 0.1mm, so that the thin strip steel can be sheared smoothly.
The thin strip steel is generally strip steel with the thickness being greater than 2mm, when the thick strip steel with the thickness being greater than 2mm is required to be sheared, the gap between the upper cutting edge of the upper cutting edge 3 and the lower cutting edge of the lower cutting edge 4 is regulated to be uniform and consistent, the distance between the upper roller 1 and the lower roller 2 is regulated according to the shearing requirement of the thick strip steel with the thickness, and then the upper cutting edge and the lower cutting edge are parallel and the gap reaches the corresponding shearing requirement.
As shown in fig. 3, the interference amount of the left and right sides of the lower cutting edge 4 is 0.14mm, the grinding amount of the left and right sides is 0, the grinding amount of the middle grinding amount is equal to the interference amount of the left and right sides (that is, the grinding amount of the middle grinding amount is 0.14 mm), so that the whole lower cutting edge of the lower cutting edge 4 interferes by 0.14mm after grinding, and the gap between the upper cutting edge of the upper cutting edge 3 and the lower cutting edge of the lower cutting edge 4 can be uniformly adjusted by moving the whole lower cutting edge 4 downwards.
In this embodiment, before the upper inclined straight groove 7 or the lower inclined straight groove 8 is sharpened, the projection of the upper cutting edge 3 or the lower cutting edge 4 in the vertical direction is an inclined straight line, and after the upper inclined straight groove 7 or the lower inclined straight groove 8 is sharpened, the projection of the upper cutting edge 3 or the lower cutting edge 4 in the vertical direction is a curve, so that adjustment, differentiation and correction are facilitated.
In this embodiment, since the oblique directions of the upper oblique straight groove 7 and the lower oblique straight groove 8 are opposite, the oblique angles of the upper oblique straight groove 7 and the lower oblique straight groove 8 are the same, so that the lower shearing blade 4 and the upper shearing blade 3 can be accurately engaged with each other along with the rotation of the upper roller 1 and the lower roller 2 when the upper roller 1 and the lower roller 2 rotate reversely.
In the embodiment, the inclined angle range of the upper inclined straight groove 7 and the lower inclined straight groove 8 is 0-3 degrees, so that the shearing effect on the strip steel is better, and the shearing efficiency is higher.
Of course, in other embodiments, when the upper and lower blades are mounted, the upper and lower inclined straight grooves are not polished, but the processing amount of the upper and lower inclined straight grooves corresponding to the interference side of the upper and lower blades is reduced in advance during processing, so that the purpose of uniformly adjusting the gap between the upper and lower blades of the upper and lower blades can be achieved.
The utility model relates to a method for adjusting the clearance between shearing blades of a drum-type flying shear device, which comprises the following steps:
step 1: checking the conditions of an upper cutting edge 3 and a lower cutting edge 4 of the drum-type flying shear device, wherein the conditions of the upper cutting edge 3 and the lower cutting edge 4 comprise that the upper cutting edge and the lower cutting edge are parallel and the gap reaches the standard, the upper cutting edge and the lower cutting edge are parallel and the gap is overlarge, and the upper cutting edge and the lower cutting edge are in a skew state;
step 2: aiming at the conditions of different upper shearing edges 3 and lower shearing edges 4, the distance between the upper roller 1 and the lower roller 2 is adjusted, or the upper inclined straight groove 7 of the upper roller 1 is solely subjected to polishing adjustment, or the lower inclined straight groove 8 of the lower roller 2 is solely subjected to polishing adjustment, or the upper inclined straight groove 7 of the upper roller 1 and the lower inclined straight groove 8 of the lower roller 2 are simultaneously subjected to polishing adjustment, so that the parallel upper and lower cutting edges and the standard gap are realized.
In the embodiment, if the upper and lower cutting edges are parallel but the gap is too large, the gap between the upper roller 1 and the lower roller 2 is reduced, so that the upper and lower cutting edges are parallel and the gap reaches the standard; if the upper cutting edge and the lower cutting edge are parallel but the gap is too small, the gap between the upper roller 1 and the lower roller 2 is increased, and then the upper cutting edge and the lower cutting edge are parallel and the gap reaches the standard.
In this embodiment, the upper and lower cutting edges are in a skew state, including a state in which the clearance value between the upper and lower cutting edges on the left side is smaller than the clearance value between the upper and lower cutting edges on the right side, or a state in which the clearance value between the upper and lower cutting edges on the left side is greater than the clearance value between the upper and lower cutting edges on the right side; if the clearance value of the upper and lower cutting edges on the left side is smaller than the clearance value state of the upper and lower cutting edges on the right side, the right side of the upper inclined straight groove 7 of the upper roller 1 is solely subjected to polishing adjustment, or the right side of the lower inclined straight groove 8 of the lower roller 2 is solely subjected to polishing adjustment, or the right side of the upper inclined straight groove 7 of the upper roller 1 and the right side of the lower inclined straight groove 8 of the lower roller 2 are simultaneously subjected to polishing adjustment, so that the upper and lower cutting edges are parallel and the clearance reaches the standard; if the clearance value between the upper and lower cutting edges on the left side is larger than the clearance value between the upper and lower cutting edges on the right side, the left side of the upper inclined straight groove 7 of the upper roller 1 is solely subjected to polishing adjustment, or the left side of the lower inclined straight groove 8 of the lower roller 2 is solely subjected to polishing adjustment, or the left side of the upper inclined straight groove 7 of the upper roller 1 and the left side of the lower inclined straight groove 8 of the lower roller 2 are simultaneously subjected to polishing adjustment, so that the upper and lower cutting edges are parallel and the clearance reaches the standard.
In this embodiment, the upper and lower edges are in a skewed state and further include a left side mutual interference state or a right side mutual interference state of the upper and lower edges; if the left sides of the upper cutting edge and the lower cutting edge interfere with each other, calculating the interference quantity of the cutting edge at the operation side and the interference quantity of the cutting edge at the transmission side, and independently carrying out grinding adjustment on the right side of an upper inclined straight groove 7 of an upper roller 1, or independently carrying out grinding adjustment on the right side of a lower inclined straight groove 8 of a lower roller 2, or simultaneously carrying out grinding adjustment on the right side of the upper inclined straight groove 7 of the upper roller 1 and the right side of a lower inclined straight groove 8 of the lower roller 2, so that the interference quantity of the left sides and the right sides of the upper cutting edge and the lower cutting edge are consistent, and then keeping the upper cutting edge and the lower cutting edge away from each other for translation, thereby realizing that the upper cutting edge and the lower cutting edge are parallel and the clearance meets the standard;
if the right sides of the upper and lower cutting edges interfere with each other, the interference quantity of the cutting edge on the operation side and the interference quantity of the cutting edge on the transmission side are calculated, the left side of the upper inclined straight groove 7 of the upper roller 1 is solely subjected to polishing adjustment, or the left side of the lower inclined straight groove 8 of the lower roller 2 is solely subjected to polishing adjustment, or the left side of the upper inclined straight groove 7 of the upper roller 1 and the left side of the lower inclined straight groove 8 of the lower roller 2 are simultaneously subjected to polishing adjustment, so that the interference quantity of the left side and the right side of the upper and lower cutting edges are consistent, and then the upper cutting edge and the lower cutting edge are mutually far away from translation, so that the upper and lower cutting edges are parallel and the clearance meets the standard.
In the embodiment, the gap between the upper cutting edge and the lower cutting edge reaches the standard value of 0.1mm, and the device can be used for shearing thin strip steel, and can not cause abrasion of the upper cutting edge and the lower cutting edge, so that the service life is prolonged.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. A drum-type flying shear device which characterized in that: including last cylinder, lower cylinder, go up the cutting edge, lower cutting edge, go up the cutting edge briquetting, lower cutting edge briquetting, the outside slope of going up the cylinder is provided with the straight flute that inclines, the outside slope of lower cylinder is provided with the straight flute that inclines down, go up the cutting edge and compress tightly the straight flute that inclines of installing at last cylinder through last cutting edge briquetting, lower cutting edge compresses tightly the straight flute that inclines down of installing at lower cylinder through lower cutting edge briquetting, go up the cylinder and set up relatively about lower cylinder and turn to the opposite, lower cutting edge and upper cutting edge are counterpointed from top to bottom and are set up and incline the opposite direction, make upper cylinder, when lower cylinder rotates, lower cutting edge and last cutting edge can bite with the rotation of last cylinder and lower cylinder, thereby the belted steel that is sent into between upper cylinder and the lower cylinder, but upward the straight flute is the sharpening adjustment tank, be used for adjusting the side clearance between upper cutting edge and the straight flute down, and the side clearance between the straight flute down cutting edge down, and the lower straight flute down, and then the realization is gone up the even controllable of clearance between the cutting edge down.
2. The drum shear device of claim 1, wherein: the gap between the upper edge of the upper cutting edge and the lower edge of the lower cutting edge is 7-10% of the thickness of the sheared strip steel.
3. The drum shear device of claim 1, wherein: when the upper oblique straight groove is sharpened, the upper edge of the upper shearing blade is close to the lower edge direction of the lower shearing blade, and when the lower oblique straight groove is sharpened, the lower edge of the lower shearing blade is close to the upper edge direction of the upper shearing blade.
4. A drum shear device according to claim 3, wherein: before the upper inclined straight groove or the lower inclined straight groove is sharpened, the projection of the upper cutting edge or the lower cutting edge in the vertical direction is an inclined straight line, and after the upper inclined straight groove or the lower inclined straight groove is sharpened, the projection of the upper cutting edge or the lower cutting edge in the vertical direction is a curve.
5. The drum shear device of claim 1, wherein: the upper inclined straight groove and the lower inclined straight groove have the same inclination angle.
6. The drum shear device of claim 5, wherein: the inclined angle range of the upper inclined straight groove and the lower inclined straight groove is 0-3 degrees.
CN202320823902.XU 2023-04-12 2023-04-12 Drum-type flying shear device Active CN220497904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320823902.XU CN220497904U (en) 2023-04-12 2023-04-12 Drum-type flying shear device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320823902.XU CN220497904U (en) 2023-04-12 2023-04-12 Drum-type flying shear device

Publications (1)

Publication Number Publication Date
CN220497904U true CN220497904U (en) 2024-02-20

Family

ID=89872369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320823902.XU Active CN220497904U (en) 2023-04-12 2023-04-12 Drum-type flying shear device

Country Status (1)

Country Link
CN (1) CN220497904U (en)

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