CN203292576U - Large-opening-degree double-acting scissor device with externally-arranged oil cylinder - Google Patents
Large-opening-degree double-acting scissor device with externally-arranged oil cylinder Download PDFInfo
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- CN203292576U CN203292576U CN2013202854799U CN201320285479U CN203292576U CN 203292576 U CN203292576 U CN 203292576U CN 2013202854799 U CN2013202854799 U CN 2013202854799U CN 201320285479 U CN201320285479 U CN 201320285479U CN 203292576 U CN203292576 U CN 203292576U
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- push rod
- connecting rods
- frame
- tool rest
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- 238000005520 cutting process Methods 0.000 claims description 18
- 238000010008 shearing Methods 0.000 claims description 10
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 6
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 6
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
The utility model relates to a large-opening-degree double-acting scissor device with an externally-arranged oil cylinder. The device comprises a frame, two supporting frames, two bases, two oil cylinders, two push rods, two sliders, four first connecting rods, four second connecting rods, an upper knife rest, an upper scissor blade, a lower scissor blade and a lower knife rest, wherein the two supporting frames are arranged at the upper end and the lower end of the outer side face of the frame respectively, one base is arranged on one supporting frame, and the oil cylinders arranged on the bases are movably connected with the push rods; each push rod is respectively connected with one ends of the two first connecting rods and one ends of the two second connecting rods; the upper scissor blade is horizontally arranged on the upper knife rest, and the lower scissor blade is arranged on the lower knife rest; the two sliders are correspondingly arranged on the inner side of the frame respectively; the two ends of the upper knife rest and the two ends of the lower knife rest are all arranged in grooves of the sliders. The large-opening-degree double-acting scissor device with the externally-arranged oil cylinder is simple and compact in structure, small in occupied space and convenient to maintain, the oil leakage problem of the oil cylinders is particularly convenient to handle, the synchronism between the transmission side and the operation side is good, and a synchronization mechanism does not need to be added.
Description
Technical Field
The utility model relates to an external big aperture double acting of hydro-cylinder cuts device.
Background
In a cold-rolled steel strip production line, a shearing device is generally provided for separating and cutting off a strip head and a strip tail, and is also used for cutting treatment in case of steel piling or strip breakage accident, and is indispensable equipment in the production of steel strips. The existing technical scheme has two types: the double-acting scissors comprise single-acting scissors with fixed upper scissors blades and sheared lower scissors blades and double-acting scissors with built-in oil cylinders for directly pushing the upper scissors blades and the lower scissors blades to shear. The former is fixed by the upper shear blade, and the opening degree is limited, so that the shear blade is often scratched when the head of the belt is tilted up, the belt is broken and the tail is thrown away. The oil cylinder is arranged in the equipment, once oil leakage treatment is very inconvenient, the oil cylinder directly drives the upper and lower shearing blades to shear, large driving force is required, the oil cylinder is large in type selection, and in addition, the double-acting shear is generally driven by two oil cylinders on an operation side and a transmission side, so that the problem of synchronization is involved, a gear and rack synchronization mechanism is required, and the space and the cost of the equipment are increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an external big aperture double acting of hydro-cylinder cuts device to overcome the defect that exists among the prior art.
The technical scheme of the utility model is that:
the utility model provides an external big aperture double acting of hydro-cylinder cuts device which characterized in that:
the cutting device comprises a frame, two supports, two bases, two oil cylinders, two push rods, two slide blocks, four first connecting rods, four second connecting rods, an upper tool rest, an upper shear blade, a lower shear blade and a lower tool rest; wherein,
the two brackets are respectively arranged at the upper end and the lower end of the outer side surface of the frame, the two brackets are respectively provided with a base, and an oil cylinder arranged on the base is movably connected with the push rod;
each push rod is movably connected with one end of each of the two first connecting rods and one end of each of the two second connecting rods;
the other ends of the two first connecting rods connected with the upper end push rod are respectively movably connected to an upper cross beam of the frame, and the other ends of the two first connecting rods connected with the lower end push rod are respectively movably connected to a lower cross beam of the frame;
the other ends of the two second connecting rods connected with the upper end push rod are respectively movably connected to the upper tool rest, and the other ends of the two second connecting rods connected with the lower end push rod are respectively movably connected to the lower tool rest;
the upper shear blade is horizontally arranged on the upper tool rest, and the lower shear blade is arranged on the lower tool rest;
the two sliding blocks are respectively and correspondingly arranged on the inner side of the frame;
the two ends of the upper tool rest and the lower tool rest are arranged in the grooves of the sliding blocks.
A piston rod head of the oil cylinder is hinged with the push rod through a first pin shaft;
each push rod is hinged with one end of the first connecting rod and one end of the second connecting rod through a second pin shaft;
the other ends of the two first connecting rods connected with the upper end push rod are respectively hinged with double lug seats arranged on an upper cross beam of the frame through third pin shafts, and the other ends of the two first connecting rods connected with the lower end push rod are respectively hinged with double lug seats arranged on a lower cross beam of the frame through third pin shafts;
the other ends of the two second connecting rods connected with the upper end push rod are respectively hinged with the single lug seat arranged on the upper tool rest through fourth pin shafts, and the other ends of the two second connecting rods connected with the lower end push rod are respectively hinged with the single lug seat arranged on the lower tool rest through fourth pin shafts;
the outer end and the middle of each push rod are respectively provided with a hinge hole which is respectively hinged with one end of a first connecting rod and one end of a second connecting rod.
The distance between the inner sides of the two lugs of the double lug seat is equal to the thickness of the first connecting rod, equal to the distance between the two surfaces of the inner side of the fork head of the second connecting rod and equal to the thickness of a single lug of the single lug seat; the distance between the two outer sides of the fork head of the second connecting rod is equal to the distance between the two inner sides of the hinged part of the push rod.
The lower shear blade is obliquely arranged on the lower tool rest at an angle of 3-5 degrees.
The technical effects of the utility model are that:
1. the utility model discloses simple structure, compact structure, occupation space is little, is convenient for maintain, the processing of the hydro-cylinder oil leak problem of being convenient for especially.
2. The utility model discloses hydro-cylinder thrust is little when cuting, and it is big to cut the back opening degree, is favorable to the protection of cutting edge.
3. The utility model discloses the synchronism of transmission side and operation side is good, need not to increase lazytongs.
Drawings
Fig. 1 is a schematic structural view of the utility model when the cutting edge is opened;
FIG. 2 is a schematic structural view of the present invention during the cutting operation;
fig. 3 is a schematic view of the push rod of the present invention;
fig. 4 is a schematic view of a slider according to the present invention;
fig. 5 is a schematic view of a first connecting rod according to the present invention;
fig. 6 is a schematic view of a binaural base of the present invention;
fig. 7 is a schematic view of a second link according to the present invention;
fig. 8 is a schematic view of a single ear mount of the present invention.
The reference signs are:
the device comprises a frame, a support, a base, an oil cylinder, a first pin shaft, a push rod, a sliding block, a second pin shaft, a first connecting rod, a third pin shaft, a double lug seat, a second connecting rod, a third connecting rod, a double lug seat, a second connecting rod, a fourth pin shaft, a single lug seat, an upper knife rest, a lower knife rest and a hinge hole, wherein the frame is 1-frame, the support is 2-frame, the base is 3-4-oil cylinder, the first pin shaft is 5-6-push rod.
Detailed Description
The utility model relates to a cold rolling equipment technical field, concretely relates to cut double acting of big aperture of external hydro-cylinder of belted steel and cut device.
Referring to fig. 1 to 8, the utility model relates to an external big aperture double acting of hydro-cylinder cuts device's concrete structure does:
the device comprises a frame 1, two supports 2, two bases 3, two oil cylinders 4, two push rods 6, two slide blocks 7, four first connecting rods 9, four second connecting rods 12, an upper knife rest 15, an upper shear blade 16, a lower shear blade 17 and a lower knife rest 18; wherein,
the two brackets 2 are respectively arranged at the upper end and the lower end of the outer side surface of the frame 1, the two brackets 2 are respectively provided with a base 3, and an oil cylinder 4 arranged on the base 3 is movably connected with a push rod 6;
each push rod 6 is movably connected with one end of each of the two first connecting rods 9 and the two second connecting rods 12;
the other ends of the two first connecting rods 9 connected with the upper end push rod 6 are respectively movably connected to the upper cross beam of the frame 1, and the other ends of the two first connecting rods 9 connected with the lower end push rod 6 are respectively movably connected to the lower cross beam of the frame 1;
the other ends of the two second connecting rods 12 connected with the upper end push rod 6 are respectively movably connected on the upper tool rest 15, and the other ends of the two second connecting rods 12 connected with the lower end push rod 6 are respectively movably connected on the lower tool rest 18;
the upper shear blade 16 is horizontally arranged on the upper tool rest 15, and the lower shear blade 17 is arranged on the lower tool rest 18;
the two sliding blocks 7 are respectively and correspondingly arranged on the inner side of the frame 1;
both ends of the upper tool rest 15 and the lower tool rest 18 are arranged in the groove of the sliding block 7.
The piston rod head of the oil cylinder 4 in the utility model is hinged with the push rod 6 through the first pin shaft 5;
each push rod 6 can be hinged with one end of a first connecting rod 9 and one end of a second connecting rod 12 through a second pin shaft 8 respectively;
the other ends of the two first connecting rods 9 connected with the upper end push rod 6 can be respectively hinged with double lug seats 11 arranged on an upper cross beam of the frame 1 through third pin shafts 10, and the other ends of the two first connecting rods 9 connected with the lower end push rod 6 can be respectively hinged with the double lug seats 11 arranged on a lower cross beam of the frame 1 through the third pin shafts 10;
the other ends of the two second connecting rods 12 connected with the upper end push rod 6 can be respectively hinged with a single lug seat 14 arranged on the upper knife rest 15 through a fourth pin shaft 13, and the other ends of the two second connecting rods 12 connected with the lower end push rod 6 can be respectively hinged with a single lug seat 14 arranged on the lower knife rest 18 through a fourth pin shaft 13;
the outer end and the middle of each push rod 6 are provided with a hinge hole 19 which is respectively hinged with one end of a first connecting rod 9 and one end of a second connecting rod 12.
The distance between the inner sides of two ears of the double-ear seat 11 in the utility model is equal to the thickness of the first connecting rod 9, equal to the distance between the two sides of the inner side of the fork head of the second connecting rod 12 and equal to the thickness of a single ear of the single-ear seat 15; the distance between the two outer sides of the fork head of the second connecting rod 12 is equal to the distance between the two inner sides of the hinged part of the push rod 6.
The lower shear blade 17 of the utility model can be arranged on the lower tool rest 18 in an inclined manner of 3-5 degrees.
As shown in figure 1, the utility model comprises a frame 1, the frame 1 is installed at a proper position according to the process requirement of the production line, a bracket 2 is closed at the side of the frame 1, a base 3 is installed on the bracket 2, the base 3 is used for installing a hinge shaft in the middle of an oil cylinder 4, a piston rod head of the oil cylinder 4 is hinged with a push rod 6 through a first pin shaft 5, the push rod 6 is hinged with one end of a first connecting rod 9 and one end of a second connecting rod 12 through a second pin shaft 8, the other end of the first connecting rod 9 is hinged with a double lug seat 11 through a third pin shaft 10, the double lug seat 11 is closed on an upper beam of the frame 1, the other end of the second connecting rod 12 is hinged with a single lug seat 14 through a fourth pin shaft 13, the single lug seat 14 is closed on an upper knife rest 15, the outer end of the upper push rod 6 and a hinge hole in the middle are hinged with a group of the first connecting rod 9 and, the lower cutting edge 17 is obliquely arranged on the lower tool rest 18 at a small angle (3-5 degrees), the lower double-lug seat 11 is closed on a lower cross beam of the frame 1, the rest components of the lower half part of the shearing device are the same as the upper half part, and the two ends of the upper tool rest 15 and the lower tool rest 18 are arranged in the grooves of the sliding block 7.
As shown in fig. 2, the apparatus is in a state of cutting the strip, in which the upper cutting edge 16 and the lower cutting edge 17 are partially overlapped.
As shown in fig. 3 to 8, the structure diagrams of the push rod 6, the slider 7, the first link 9, the two-ear seat 11, the second link 12 and the one-ear seat 14 are respectively shown, wherein the distance between the inner sides of the two ears of the two-ear seat 11 is equal to the thickness of the first link 9, the distance between the two sides of the inner side of the fork of the second link 12 is equal to the thickness of the one ear of the one-ear seat 15, and the distance between the two sides of the outer side of the fork of the second link 12 is equal to the distance between the two sides of the inner side of the hinge joint of the.
The utility model discloses a theory of operation does:
in the cold rolling process, when a strip needs to be sheared, oil enters a plug cavity of an oil cylinder 4 to push a piston rod to extend out and drive a push rod 6 to move forwards, the translation of the push rod 6 enables a first connecting rod 9 to rotate around a third pin shaft 10 arranged on a double-lug seat 11, meanwhile, a second connecting rod 12 rotates around a fourth pin shaft 13 arranged on a single-lug seat 14, the rotation of the first connecting rod 9 and the second connecting rod 12 pushes an upper knife rest 15 to slide downwards along a slide block 7 and pushes a lower knife rest 18 to slide upwards along the slide block 7, the stroke of the oil cylinder 4 enables the first connecting rod 9 and the second connecting rod 12 on the upper part of a shearing device to be positioned on a vertical line at the same time so as to form a dead point, at the moment, the first connecting rod 9 and the second connecting rod 12 can bear the maximum shearing force without rotating, the first connecting rod 9 and the second connecting rod 12 on the lower part of the shearing device do not need to be vertical to a certain degree, when an inclined lower, the strip material is cut from the side which is overlapped firstly along the transverse direction, as shown in figure 2, after the cutting is finished, oil is fed into a rod cavity of an oil cylinder 4, a piston rod retracts to drive a push rod 6 to retreat, a first connecting rod 9 and a second connecting rod 12 rotate reversely to pull an upper knife rest 15 to slide upwards, a lower knife rest 18 slides downwards, an upper cutting edge 16 and a lower cutting edge 17 are opened, the opening degree is increased, as shown in figure 1, the strip material can pass through the middle, and the double-acting cutting device finishes one cutting action.
The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (4)
1. The utility model provides an external big aperture double acting of hydro-cylinder cuts device which characterized in that:
the cutting device comprises a frame (1), two supports (2), two bases (3), two oil cylinders (4), two push rods (6), two sliders (7), four first connecting rods (9), four second connecting rods (12), an upper tool rest (15), an upper cutting edge (16), a lower cutting edge (17) and a lower tool rest (18); wherein,
the two brackets (2) are respectively arranged at the upper end and the lower end of the outer side surface of the frame (1), the two brackets (2) are respectively provided with a base (3), and an oil cylinder (4) arranged on the base (3) is movably connected with a push rod (6);
each push rod (6) is movably connected with one end of each of the two first connecting rods (9) and the two second connecting rods (12);
the other ends of the two first connecting rods (9) connected with the upper end push rod (6) are respectively movably connected to an upper cross beam of the frame (1), and the other ends of the two first connecting rods (9) connected with the lower end push rod (6) are respectively movably connected to a lower cross beam of the frame (1);
the other ends of the two second connecting rods (12) connected with the upper end push rod (6) are respectively movably connected to the upper tool rest (15), and the other ends of the two second connecting rods (12) connected with the lower end push rod (6) are respectively movably connected to the lower tool rest (18);
the upper shear blade (16) is horizontally arranged on the upper tool rest (15), and the lower shear blade (17) is arranged on the lower tool rest (18);
the two sliding blocks (7) are respectively and correspondingly arranged on the inner side of the frame (1);
the two ends of the upper tool rest (15) and the lower tool rest (18) are arranged in the grooves of the sliding block (7).
2. The cylinder external type large-opening-degree double-acting shearing device as claimed in claim 1, characterized in that:
a piston rod head of the oil cylinder (4) is hinged with a push rod (6) through a first pin shaft (5);
each push rod (6) is hinged with one end of a first connecting rod (9) and one end of a second connecting rod (12) through a second pin shaft (8);
the other ends of the two first connecting rods (9) connected with the upper end push rod (6) are respectively hinged with double-lug seats (11) arranged on an upper cross beam of the frame (1) through third pin shafts (10), and the other ends of the two first connecting rods (9) connected with the lower end push rod (6) are respectively hinged with the double-lug seats (11) arranged on a lower cross beam of the frame (1) through the third pin shafts (10);
the other ends of the two second connecting rods (12) connected with the upper end push rod (6) are respectively hinged with a single lug seat (14) arranged on the upper knife rest (15) through fourth pin shafts (13), and the other ends of the two second connecting rods (12) connected with the lower end push rod (6) are respectively hinged with a single lug seat (14) arranged on the lower knife rest (18) through fourth pin shafts (13);
the outer end and the middle of each push rod (6) are respectively provided with a hinge hole (19) which is hinged with one end of a first connecting rod (9) and one end of a second connecting rod (12).
3. The cylinder external type large-opening-degree double-acting shearing device as claimed in claim 2, characterized in that:
the distance between the inner sides of the two ears of the double-ear seat (11) is equal to the thickness of the first connecting rod (9), equal to the distance between the two surfaces of the inner side of the fork head of the second connecting rod (12), and equal to the thickness of a single ear of the single-ear seat (15); the distance between the two outer sides of the fork head of the second connecting rod (12) is equal to the distance between the two inner sides of the hinged part of the push rod (6).
4. The cylinder external type large-opening-degree double-acting shearing device as claimed in claim 1, 2 or 3, which is characterized in that:
the lower shear blade (17) is obliquely arranged on the lower tool rest (18) at an angle of 3-5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202854799U CN203292576U (en) | 2013-05-23 | 2013-05-23 | Large-opening-degree double-acting scissor device with externally-arranged oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202854799U CN203292576U (en) | 2013-05-23 | 2013-05-23 | Large-opening-degree double-acting scissor device with externally-arranged oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292576U true CN203292576U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202854799U Expired - Lifetime CN203292576U (en) | 2013-05-23 | 2013-05-23 | Large-opening-degree double-acting scissor device with externally-arranged oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203292576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286369A (en) * | 2013-05-23 | 2013-09-11 | 中国重型机械研究院股份公司 | Double-acting scissors with an external oil cylinder and large opening degree |
| IT201800020845A1 (en) * | 2018-12-21 | 2020-06-21 | Fives Oto Spa | Weld seam shearing device |
| CN119457860A (en) * | 2025-01-15 | 2025-02-18 | 潍柴动力股份有限公司 | Cutting equipment and processing tools |
-
2013
- 2013-05-23 CN CN2013202854799U patent/CN203292576U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286369A (en) * | 2013-05-23 | 2013-09-11 | 中国重型机械研究院股份公司 | Double-acting scissors with an external oil cylinder and large opening degree |
| CN103286369B (en) * | 2013-05-23 | 2015-12-23 | 中国重型机械研究院股份公司 | Two the moving of a kind of oil cylinder external big uncork degree is cut |
| IT201800020845A1 (en) * | 2018-12-21 | 2020-06-21 | Fives Oto Spa | Weld seam shearing device |
| EP3670049A1 (en) * | 2018-12-21 | 2020-06-24 | Fives Oto S.P.A. | Weld bead cutting device |
| CN119457860A (en) * | 2025-01-15 | 2025-02-18 | 潍柴动力股份有限公司 | Cutting equipment and processing tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131120 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |