CN113385726A - Scrap steel shearing machine - Google Patents
Scrap steel shearing machine Download PDFInfo
- Publication number
- CN113385726A CN113385726A CN202010174294.5A CN202010174294A CN113385726A CN 113385726 A CN113385726 A CN 113385726A CN 202010174294 A CN202010174294 A CN 202010174294A CN 113385726 A CN113385726 A CN 113385726A
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- CN
- China
- Prior art keywords
- material pressing
- hinged
- wall plate
- oil cylinder
- connecting piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/12—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor
- B23D15/14—Shearing machines or shearing devices cutting by blades which move parallel to themselves characterised by drives or gearings therefor actuated by fluid or gas pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention provides a scrap steel shearing machine which comprises a rack, a shearing oil cylinder, a tool rest and a material pressing device, wherein the shearing oil cylinder is arranged on the rack; the frame is of a plate structure and comprises a left wall plate, a right wall plate, a base and a cross beam; the left wall plate and the right wall plate are connected to two sides of the base through welding; the cross beam is detachably connected between the left wall plate and the right wall plate through a fastener; one end of the shearing oil cylinder is hinged between the left wall plate and the right wall plate above the rack; the top end of a piston rod of the shearing oil cylinder is hinged with a tool rest; the tail end of the tool rest is hinged to the middle of the rack through a tool rest shaft; the material pressing device comprises a material pressing head, and the material pressing head is driven by a connecting rod mechanism. The whole machine of the invention adopts a plate type structure design, and is convenient to assemble and maintain; and the material pressing head is driven by a link mechanism, so that the operation speed is high, and the operation is stable and reliable.
Description
Technical Field
The invention relates to the field of resource recycling equipment, in particular to a device for shearing scrap steel, and belongs to the technical field of machinery.
Background
The tiger head scissors are machines with wide application, are suitable for various steel smelting fields, and belong to the field of resource recycling equipment. The method has the advantages that the produced scrap steel is increased along with the rapid increase of the scrap steel yield in China, the scrap steel produced in society has large occupied area due to the limitation of shape and volume, and cannot be directly reprocessed and utilized, and after the scrap steel is sheared by the tiger head shears, the occupied area can be saved, the storage, the transportation and the reprocessing are convenient, and the problem of environmental pollution can be solved.
And the shear with more tiger heads is used in the market at present, and although the shear can be used for shearing and processing the waste steel bars, the structure of the material pressing device is generally simple.
For example, the tiger head scissors with the gantry type prepressing structure disclosed in the Chinese patent publication No. CN209239167U and the tiger head scissors disclosed in the Chinese patent publication No. CN209239181U are all formed by directly driving a material pressing head by an oil cylinder, so that the material pressing speed is low, the material pressing is not firm enough, and the potential safety hazard of the tiger head scissors during use is increased.
And most of tiger head scissors in the current market are designed by a lever principle, and the spindle and the tool rest are stressed greatly and have short service life.
Therefore, there is a need for improved structure of the scrap steel shearing machine in the form of tiger head shear to improve reliability.
Disclosure of Invention
The invention aims to provide a scrap steel shearing machine, which aims to solve the problems of complex structure, short service life, low material pressing speed, insecurity and the like of the conventional shearing machine.
In order to achieve the aim, the invention provides a scrap steel shearing machine which comprises a frame, a shearing oil cylinder, a tool rest and a material pressing device, and is characterized in that the frame is of a plate-type structure and comprises a left wall plate, a right wall plate, a base and a cross beam;
the left wall plate and the right wall plate are connected to two sides of the base through welding; the cross beam is detachably connected between the left wall plate and the right wall plate through a fastener;
one end of the shearing oil cylinder is hinged between the left wall plate and the right wall plate above the rack; the top end of a piston rod of the shearing oil cylinder is hinged with a tool rest; the tail end of the tool rest is hinged to the middle of the rack through a tool rest shaft; the cutter frame can rotate around a cutter frame shaft under the driving of the shearing oil cylinder;
the material pressing device comprises a material pressing head, and the material pressing head is driven by a connecting rod mechanism.
As a further improvement of the invention, the pressing device comprises a pressing head; a material pressing frame is welded on the side face of the left wall plate of the rack and comprises a right beam, a left beam and an upper beam; the material pressing head is driven by a connecting rod mechanism to vertically lift and move in a frame space formed by the right beam and the left beam.
Furthermore, the connecting rod mechanism comprises an upper connecting piece, a lower connecting piece and a driving device;
the top end of the upper connecting piece is hinged to the upper beam, the bottom end of the upper connecting piece is hinged to the top end of the lower connecting piece through a connecting piece hinged shaft, and the bottom end of the lower connecting piece is hinged to the material pressing head;
the driving device is a material pressing oil cylinder, the tail end of the material pressing oil cylinder is hinged to the rack, and the end part of a piston rod of the material pressing oil cylinder is hinged to the connecting piece hinge shaft; the piston rod of the material pressing oil cylinder can move in a telescopic mode to push the connecting piece hinged shaft to move, so that the upper connecting piece and the lower connecting piece are driven to swing, and finally the material pressing head is driven to move up and down.
Preferably, the number of the upper connecting pieces and the number of the lower connecting pieces are 2, and the connecting rod groups formed by the upper connecting pieces and the lower connecting pieces in 2 groups are parallel to each other; and the end part of a piston rod of the material pressing oil cylinder is hinged with one of the connecting piece hinge shafts.
Furthermore, a material pressing cylinder connecting piece is hinged between the hinging shafts of the 2 groups of connecting pieces.
As a further improvement of the invention, two sides of the material pressing head are provided with limiting wheels which are clamped between the right beam and the left beam.
When the shearing device works, the scrap steel to be sheared is placed in the pressing device, the pressing oil cylinder is started, and the pressing head is driven to press the scrap steel; and then the shearing oil cylinder is started to drive the tool rest to move downwards to complete the shearing of the scrap steel, so that the one-time shearing process is finished.
Compared with the prior art, the scrap steel shearing machine has the following advantages:
(1) the whole machine adopts a plate type structure design, and is convenient to assemble and maintain;
(2) the material pressing head is driven by a link mechanism, and the telescopic movement speed of the material pressing oil cylinder is amplified by the link mechanism, so that the material pressing speed is effectively increased, and the working efficiency is improved;
(3) the output force of the material pressing oil cylinder is changed by the downward pressing force after being converted by the connecting rod mechanism, and the pressing force of the material pressing device can be effectively increased step by adopting the connecting rod mechanism, so that the material pressing process is more stable, and the use safety performance is improved;
(4) the limiting wheels are arranged on the two sides of the pressing head, so that sliding friction is converted into rolling friction, the friction force is reduced, the jamming in the pressing process of the pressing head is reduced, and the pressing process is more stable;
(5) the whole machine has reasonable structural design, convenient use and maintenance and prolonged service life.
Drawings
FIG. 1 is a front view of a scrap shearing machine according to the present invention;
FIG. 2 is a rear view of a scrap shearing machine according to the present invention;
FIG. 3 is a schematic structural diagram of a frame of a scrap steel shearing machine according to the present invention;
FIG. 4 is a schematic structural view of a pressing device according to the present invention;
fig. 5 is a schematic view of the pressing device of the present invention in a pressed state;
reference numerals: 1-left wall plate, 2-shearing oil cylinder, 3-cutter frame shaft, 4-right wall plate, 5-cutter frame, 6-base, 7-cross beam, 8-material pressing oil cylinder, 9-right beam, 10-upper beam, 11-upper connecting piece, 12-material pressing cylinder connecting piece, 13-lower connecting piece, 14-material pressing head and 15-left beam.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, they are schematic structural views of a scrap steel shearing machine according to the present invention; the scrap steel shearing machine is different from a box-type structure of the existing equipment, adopts a plate-type structure, is simpler in equipment assembly, is characterized in that a left wall plate 1 and a right wall plate 4 are connected to two sides of a base 6 through welding, and a cross beam 7 is connected between the left wall plate 1 and the right wall plate 4 through a high-strength bolt to form a frame of the tiger head shear.
One end of the shearing oil cylinder 2 is hinged between a left wall plate 1 and a right wall plate 4 above the rack; the top end of a piston rod of the shearing oil cylinder 2 is hinged with a tool rest 5; the tail end of the tool rest 5 is hinged to the middle of the rack through a tool rest shaft 3; under the driving of the shearing oil cylinder 2, the tool rest 5 can rotate around the tool rest shaft 3, so that the shearing operation is realized.
In order to reliably cut, a pressing device is also arranged; the pressing device comprises a pressing head 14; the side welding of the left wallboard 1 of frame has the material frame of pressing, press the material frame to include right roof beam 9, left beam 15 and upper beam 10, press the stub bar and be in vertical elevating movement in the frame space that right roof beam 9 and left beam 15 constitute realizes pressing the material.
Further, as shown in fig. 4 and 5, the material pressing head 14 is driven by a link mechanism; the connecting rod mechanism comprises an upper connecting piece 11 and a lower connecting piece 13; the top end of the upper connecting piece 11 is hinged on the upper beam 10, the bottom end of the upper connecting piece 11 is hinged with the top end of the lower connecting piece 13 through a connecting piece hinging shaft, and the bottom end of the lower connecting piece 13 is hinged on the material pressing head 14; the tail end of the material pressing oil cylinder 8 is hinged to the rack, and the end part of a piston rod of the material pressing oil cylinder 8 is hinged to the connecting piece hinge shaft; the piston rod of the material pressing oil cylinder 8 can move in a telescopic mode to push the connecting piece hinge shaft to move, so that the upper connecting piece 11 and the lower connecting piece 13 are driven to swing, and finally the material pressing head 14 is driven to move in a lifting mode.
Preferably, 2 upper connecting pieces 11 and 2 lower connecting pieces 13 are arranged, and the connecting rod groups formed by the upper connecting pieces 11 and the lower connecting pieces 13 in 2 groups are parallel to each other; the end part of a piston rod of the material pressing oil cylinder 8 is hinged with one of the connecting piece hinge shafts.
Furthermore, 2 groups of connecting piece articulated shafts are articulated with material pressing cylinder connecting pieces 12, and 2 groups of connecting rod groups can coordinate to run through the material pressing cylinder connecting pieces 12, so that the operation is more stable and reliable.
Furthermore, two sides of the material pressing head 14 are provided with limiting wheels, the limiting wheels are clamped between the right beam 9 and the left beam 15, sliding friction of the material pressing head 14 is improved into rolling friction of the limiting wheels, and driving force of the material pressing head 14 is greatly reduced.
When the shearing device works, the scrap steel to be sheared is placed in the material pressing device, the material pressing oil cylinder 8 is started to drive the material pressing head 14 to press the scrap steel, then the shearing oil cylinder 2 is started to drive the tool rest to move downwards to complete shearing of the scrap steel, and the shearing process is finished once.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (6)
1. A scrap steel shearing machine comprises a frame, a shearing oil cylinder, a tool rest and a pressing device, and is characterized in that the frame is of a plate type structure and comprises a left wall plate, a right wall plate, a base and a cross beam;
the left wall plate and the right wall plate are connected to two sides of the base through welding; the cross beam is detachably connected between the left wall plate and the right wall plate through a fastener;
one end of the shearing oil cylinder is hinged between the left wall plate and the right wall plate above the rack; the top end of a piston rod of the shearing oil cylinder is hinged with a tool rest; the tail end of the tool rest is hinged to the middle of the rack through a tool rest shaft; the cutter frame can rotate around a cutter frame shaft under the driving of the shearing oil cylinder;
the material pressing device comprises a material pressing head, and the material pressing head is driven by a connecting rod mechanism.
2. A scrap steel shearing machine according to claim 1, wherein the pressing means comprises a pressing head; a material pressing frame is welded on the side face of the left wall plate of the rack and comprises a right beam, a left beam and an upper beam; the material pressing head is driven by a connecting rod mechanism to vertically lift and move in a frame space formed by the right beam and the left beam.
3. A scrap steel shearing machine according to claim 2 wherein the linkage comprises an upper link, a lower link, and drive means;
the top end of the upper connecting piece is hinged to the upper beam, the bottom end of the upper connecting piece is hinged to the top end of the lower connecting piece through a connecting piece hinged shaft, and the bottom end of the lower connecting piece is hinged to the material pressing head;
the driving device is a material pressing oil cylinder, the tail end of the material pressing oil cylinder is hinged to the rack, and the end part of a piston rod of the material pressing oil cylinder is hinged to the connecting piece hinge shaft; the piston rod of the material pressing oil cylinder can move in a telescopic mode to push the connecting piece hinged shaft to move, so that the upper connecting piece and the lower connecting piece are driven to swing, and finally the material pressing head is driven to move up and down.
4. A scrap steel shearing machine according to claim 3, wherein there are 2 of said upper and lower connecting members, the linkage formed by 2 sets of said upper and lower connecting members being parallel to each other; and the end part of a piston rod of the material pressing oil cylinder is hinged with one of the connecting piece hinge shafts.
5. A scrap steel shearing machine according to claim 4, characterised in that the material pressing cylinder connecting members are hinged between the hinging shafts of 2 groups of said connecting members.
6. The scrap steel shearing machine according to claim 2, wherein limiting wheels are arranged on two sides of the material pressing head, and the limiting wheels are clamped between the right beam and the left beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010174294.5A CN113385726A (en) | 2020-03-13 | 2020-03-13 | Scrap steel shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010174294.5A CN113385726A (en) | 2020-03-13 | 2020-03-13 | Scrap steel shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113385726A true CN113385726A (en) | 2021-09-14 |
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ID=77615833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010174294.5A Pending CN113385726A (en) | 2020-03-13 | 2020-03-13 | Scrap steel shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113385726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251318A (en) * | 2021-12-21 | 2022-03-29 | 江苏高德液压机械有限公司 | Rapid box type shearing machine and working method thereof |
-
2020
- 2020-03-13 CN CN202010174294.5A patent/CN113385726A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251318A (en) * | 2021-12-21 | 2022-03-29 | 江苏高德液压机械有限公司 | Rapid box type shearing machine and working method thereof |
| CN114251318B (en) * | 2021-12-21 | 2023-12-19 | 江苏高德液压机械有限公司 | Quick box-type shearing machine and working method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210914 |