CN114619091A

CN114619091A - Cutting device

Info

Publication number: CN114619091A
Application number: CN202210303847.1A
Authority: CN
Inventors: 岳岁宁; 柏长友; 杨保
Original assignee: Kocel Machinery Co Ltd
Current assignee: Kocel Machinery Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-06-14

Abstract

The invention belongs to the technical field of gas turbine and steam turbine product assembly, and particularly relates to a steel belt cutting device, which comprises: the cutting device comprises a feeding mechanism, a cutting mechanism, a transmission mechanism and a bearing seat, wherein the transmission mechanism is arranged in the bearing seat and connected with the cutting mechanism, the feeding mechanism is arranged on one side of the bearing seat, the cutting mechanism comprises a first blade and a second blade, the first blade and the second blade are both cylinders, and the first blade and the second blade are staggered and tangent along the circumferential direction; the invention provides a cutting device, aiming at solving the problems of easy undercut, steel belt deformation and low cutting efficiency when a steel belt is cut.

Description

Cutting device

Technical Field

The invention belongs to the technical field of assembly of gas turbine and steam turbine products, and particularly relates to a steel belt cutting device.

Background

When blades of gas turbine and steam turbine are assembled, steel belts need to be padded at the assembling positions of blade roots and blade root grooves of parts, so that the purpose of fixing the blades is achieved, the steel belts used for assembling the blades are standard parts, the thickness is generally between 0.1mm and 0.5mm, the width is generally within 100mm, the length is determined according to the assembling amount, the steel belts with different thicknesses are packaged in a coiled mode and are similar to toilet paper rolls, the cross sections of the blade roots are different in size, and the corresponding steel belts also need to be cut into the required length and width during assembling.

Because the steel belt is long and narrow, the length of the steel belt is generally cut by using scissors or a guillotine, the width of the whole steel belt is cut by using the guillotine or a wire, the width of the steel belt cut by using the scissors is not easy to guarantee, and the labor intensity is high; the use of the guillotine for cutting is easy to produce undercut, which causes deformation of the steel strip and is difficult to operate; the cutting efficiency is low by using linear cutting, the cost is high, and the cutting device is not suitable for field use.

Disclosure of Invention

The invention provides a cutting device, aiming at solving the problems of easy undercut, steel belt deformation and low cutting efficiency when a narrow and long steel belt is cut.

The purpose of the invention is realized as follows: a clipping device, said clipping device comprising: the cutting device comprises a feeding mechanism, a cutting mechanism, a transmission mechanism and a bearing seat; the transmission mechanism is arranged in the bearing seat and connected with the cutting mechanism, and the feeding structure is arranged on one side of the bearing seat; the cutting mechanism comprises a first blade and a second blade, the first blade and the second blade are both cylinders, and the first blade and the second blade are staggered and tangent along the circumferential direction.

The using method of the cutting device comprises the following steps:

determining the width of a steel belt to be cut, adjusting the distance between the tangent cutting edge of the cutter and the first positioning boss of the feeding plate to be consistent with the required width of the steel belt, laying the steel belt on the feeding plate, leaning the long edge of the steel belt on the first positioning boss, pushing the short edge to the tangent cutting edge of the cutter, and manually rotating the rocking handle to cut.

In one embodiment, the transmission mechanism comprises a driving shaft, a driven shaft and a rocking handle, the driving shaft is meshed with the driven shaft through a gear, the rocking handle is rigidly connected with the driving shaft, and the rocking handle provides power to drive the driving shaft and the driven shaft to transmit.

In one embodiment, a limiting device is arranged on the driven shaft, the surface of the limiting device is rough, and the limiting device is a cylinder.

In one embodiment, the limiting device is tangent to the first blade along the outer circumferential surface.

In one embodiment, the bearing seat is provided with a positioning groove, and the positioning groove is provided with a threaded hole.

In one embodiment, the feeding mechanism comprises a slide rail, a feeding plate, a positioning device and a fastener, wherein a first positioning boss is arranged on one side of the feeding plate close to the cutting mechanism, a second positioning boss and a third positioning boss are respectively arranged on one side of the feeding plate far away from the first positioning boss, and threaded holes are formed in the second positioning boss and the third boss.

In one embodiment, one side of the slide rail is embedded into the positioning groove, and a cover plate is arranged on one side of the slide rail away from the positioning groove.

In one embodiment, the slide rail can reciprocate along the direction of the positioning slot.

The technical scheme adopted by the invention can achieve the following beneficial effects:

the device has the advantages of simple structure and convenient operation, solves the problem of difficult width cutting of the narrow and long thin steel strip, has remarkable field use beneficial effect, and realizes the high-quality and high-efficiency cutting of the steel strip with the thickness of 0.1-0.5 mm.

Drawings

FIG. 1 is a right side schematic view of a cutting apparatus;

FIG. 2 is a sectional view of the cutting device B-B;

FIG. 3 is a schematic view of a feed mechanism;

FIG. 4 is a schematic view of a cutting device;

100-driven shaft, 200-shoulder nut, 300-driven gear, 400-gasket, 500-bearing seat, 600-bearing, 700-gasket, 800-limiting device, 900-second blade, 1000-shoulder nut, 1100-first blade, 1200-foundation bolt, 1300-driving gear, 1400-driving shaft, 1500-gasket, 1600-rocking handle, 1700-fastening screw, 2000-slide rail, 2100-feeding plate, 2110-first positioning boss, 2120-second positioning boss, 2130-third positioning boss, 2140-threaded hole, 2200-adjusting screw, 2210-full thread stud, 2300-pressing plate, 2400-fastening screw, 2500-cover plate, 2600-fastening screw, 2700-fastening screw.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention relates to a thin steel strip cutting device, which comprises: feeding mechanism, cutting mechanism, drive mechanism, bearing frame.

Referring to fig. 1, a bearing seat 500 is arranged on a mechanism body, bearing assembly holes are arranged in the bearing seat 500, preferably, 4 bearing assembly holes are arranged, every two bearing assembly holes are concentric, bearings 600 are arranged in the bearing assembly holes, the bearings 600 correspond to the bearing assembly holes one to one, a driving shaft 1400 and a driven shaft 100 are respectively arranged in two groups of bearings which are concentric, a gasket 700 is arranged between the bearings, a driving gear 1300 is arranged on the driving shaft 1400, a driven gear 300 is arranged on the driven shaft 100, a gasket 400 is arranged between the gear and the bearing seat, a rocking handle 1600 is tightly connected with the driving gear 1300, a first blade 1100 is arranged on the driving shaft 1400, the first blade 1100 is a cylinder, a second blade 900 and a limiting device 800 are arranged on the driven shaft 100, the surface of the limiting device 800 is rough and is a cylinder, preferably, the limiting device 800 is a rubber piece, and can limit a steel belt to prevent displacement deviation, meanwhile, the limiting device 800 and the first blade 1100 roll in the circumferential direction to be tangent, the steel strip to be cut is further limited by two tangent planes, the effect that the cut notch is not warped and deformed and burrs are large when the steel strip is cut is achieved, the limiting device 800 assembled on the driven shaft 100 is tangent to the first blade 1100 on the driving shaft 1400, the outer circular surface is contacted, the limiting device 800 is contacted with the steel strip in the cutting process, the rotation of the limiting device 800 can achieve the feeding effect of the steel strip, the second blade 900 is a cylinder, the second blade 900 is tangent to the first blade 1100 in the circumferential direction in a staggered mode, the blades of the first blade 1100 and the second blade 900 are on the same plane, the left end of the driving shaft 1400 is locked by the shoulder nut 1000, the right end of the driving shaft is assembled with the crank 1600 and is locked and fixed by the fastening screw, the left end of the driven shaft 1700 is locked by the shoulder nut 1000, and the right end of the driven shaft is locked by the shoulder nut 200, the bearing seat 500 is fastened to the bench by means of anchor screws 1200, and preferably there are 4 anchor screws 1200.

Referring to fig. 2, the feeding mechanism mainly comprises a slide rail 2000, a feeding plate 2100, a positioning device, and fasteners, wherein the fasteners include but are not limited to one of an adjusting screw, a full-thread stud, a fastening screw, and a socket head cap screw, a positioning groove is designed on the bearing seat 500, the slide rail 2000 is fixed in the positioning groove by 2 socket head cap screws 2700, the slide rail 2000 can reciprocate along the direction of the positioning groove, so as to adjust the distance between the cutting edge of the cutter and the first positioning boss 2110, and can cut steel strips with different widths, the upper surface of the feeding plate 2100 is provided with the first positioning boss 2110, the lower surface is provided with the second positioning boss 2120 and the third positioning boss 2130, the third positioning boss 2130 is provided with a threaded hole 2140, the feeding plate 2100 is positioned by the second positioning boss 2120 and the third positioning boss 2130, the feeding plate is fixed by the cover plate 2500 and the fastening screw 2600, preferably, the number of the fastening screws 2600 is 5, the adjusting screw 2200 is fixed to the bearing housing 500 by a clamping plate 2300 and a fastening screw 2400, and a full-thread stud 2210 on the adjusting screw 2200 is fitted with a threaded hole 2140 on the feeding plate 2100.

During cutting, the adjusting screw 2200 is rotated, ensure that the distance between cutter blade and the first location boss 2110 is unanimous with the steel band width of demand after, lay the steel band on the delivery sheet 2100, the steel band long limit leans on first location boss 2110, the steel band minor face pushes away to blade edge department, steel band and stop device 800 laminating this moment, prevent that the steel band from appearing slight rocking, cause the error of cutting, provide power through manual rotatory rocking handle 1800, driving shaft 1400 begins to rotate, transmission effect through driving gear 1300 and driven gear 300, the driven shaft 100 selects to change together, blade 1100 and blade 900 realize relative motion, thereby realize the function of shearing the steel band.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A cutting apparatus, said cutting apparatus comprising: the cutting device comprises a feeding mechanism, a cutting mechanism, a transmission mechanism and a bearing seat; the transmission mechanism is arranged in the bearing seat and connected with the cutting mechanism, and the feeding structure is arranged on one side of the bearing seat; the cutting mechanism comprises a first blade and a second blade, the first blade and the second blade are both cylinders, and the first blade and the second blade are staggered and tangent along the circumferential direction.

2. The cutting device according to claim 1, wherein the transmission mechanism comprises a driving shaft, a driven shaft and a rocking handle, the driving shaft is meshed with the driven shaft through a gear, the rocking handle is rigidly connected with the driving shaft, and the rocking handle provides power to drive the driving shaft and the driven shaft to transmit.

3. The cutting device according to claim 2, wherein the driven shaft is provided with a limiting device, the surface of the limiting device is rough, and the limiting device is a cylinder.

4. A cutting device according to claim 2 or claim 3, wherein the stop means is tangential to the first blade along an outer circumferential surface.

5. A cutting device according to claim 1, wherein the bearing housing is provided with locating slots, the locating slots being provided with threaded holes.

6. The cutting device according to claim 1, wherein the feeding mechanism comprises a slide rail, a feeding plate, a positioning device and a fastening device, a first positioning boss is arranged on one side of the feeding plate close to the cutting mechanism, a second positioning boss and a third positioning boss are respectively arranged on one side of the feeding plate far away from the first positioning boss, and threaded holes are formed in the second positioning boss and the third boss.

7. A cutting device according to claim 5 or 6, wherein one side of the slide rail is embedded in the positioning groove, and a cover plate is arranged on the side of the slide rail away from the positioning groove.

8. A cutting device according to claim 7, characterized in that the slide rail is reciprocatingly movable in the direction of the positioning slot.

9. Use of a clipping device according to any of claims 1 to 8, characterized in that it comprises the following steps: determining the width of a steel belt to be cut, adjusting the distance between the tangent cutting edge of the cutter and the first positioning boss of the feeding plate to be consistent with the required width of the steel belt, laying the steel belt on the feeding plate, leaning the long edge of the steel belt on the first positioning boss, pushing the short edge to the tangent cutting edge of the cutter, and manually rotating the rocking handle to cut.