CN109201957B - Hard material shearing device and manufacturing method thereof - Google Patents
Hard material shearing device and manufacturing method thereof Download PDFInfo
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- CN109201957B CN109201957B CN201810963782.7A CN201810963782A CN109201957B CN 109201957 B CN109201957 B CN 109201957B CN 201810963782 A CN201810963782 A CN 201810963782A CN 109201957 B CN109201957 B CN 109201957B
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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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Abstract
The invention discloses a hard material shearing device and a manufacturing method thereof, wherein the hard material shearing device comprises the following steps: mounting a plate; a support part fixedly mounted on a front end surface of the connection part of the mounting plate; a first rotating shaft disposed through the first notch portion; a second rotation shaft disposed through the second notch portion; the first gear is provided with a notch part on the edge in the circumferential direction, and when the first gear rotates around the first rotating shaft, the upper part of the notch part and the supporting part form a scissors-shaped structure for shearing hard materials; a second gear; the middle part of the third gear is provided with a third rotating hole; and a handle. The invention is mainly made of gears which can not be used conventionally in a workshop as main components, is not required to be purchased separately, is simple to process and manufacture, can greatly reduce the use cost and realize the full utilization of wastes.
Description
Technical Field
The invention relates to the field of general machinery, in particular to a hard material shearing device and a manufacturing method thereof.
Background
At present, steel wire scissors, olecranon pliers and the like are mostly adopted to cut hard materials such as iron wires and steel bars and various types of steel bar scissors (such as hydraulic steel bar scissors) are adopted to cut steel bars on production workshops or construction sites, but the steel wire scissors, the olecranon pliers, the steel bar scissors and other tools need to be purchased and obtained, generally, a user cannot manufacture the steel bar scissors by himself, and therefore the use cost and the maintenance cost are too high. On the other hand, gears, rotating shafts, various steel pipes and the like are common parts in workshops, when the gears and the rotating shafts reach scrap standards, conventional transmission action cannot be realized, and the deformed steel pipes cannot be used normally, the steel pipes are mostly treated in a mode of directly discarding the steel pipes or selling the steel pipes as waste materials at low cost, so that the steel pipes cannot be fully utilized.
Disclosure of Invention
Aiming at the defects, the invention provides a hard material shearing device which is mainly manufactured by taking a gear which cannot be conventionally used in a workshop as a main component, does not need to be purchased separately, is simple to process and manufacture, can greatly reduce the use cost and realizes the full utilization of wastes.
The technical scheme provided by the invention for the technical problem is as follows:
in one aspect, there is provided a hard material shearing apparatus comprising:
the mounting plate is integrally in a [ -shape, the cross section of the mounting plate is a rectangle with an opening at one side, and the mounting plate comprises a front part and a rear part which are arranged in parallel and a cuboid-shaped connecting part; the front part and the rear part are both connected to the left end surface of the connecting part; the upper end surface of the mounting rack is provided with a first gap part and a second gap part;
the supporting part is fixedly arranged on the front end face of the connecting part of the mounting plate, the supporting part is provided with an upper end face parallel to the horizontal plane, the left edge and the right edge of the upper end face are parallel to each other, and the right edge of the upper end face is flush with the right end face of the connecting part;
a first rotating shaft disposed through the first notch portion;
a second rotation shaft disposed through the second notch portion;
the middle part of the first gear is provided with a first rotating hole for the first rotating shaft to pass through, the edge of the first gear is provided with a notch in the circumferential direction, and when the first gear rotates around the first rotating shaft, the upper part of the notch and the supporting part form a scissors-shaped structure for shearing hard materials;
the middle part of the second gear is provided with a second rotating hole;
the middle part of the third gear is provided with a third rotating hole;
and a handle;
the second gear is fixed on one side surface of the third gear, the second rotating hole is communicated with the third rotating hole, and the second rotating shaft penetrates through the second rotating hole and the third rotating hole and then extends out of the other side surface of the third gear, so that the second gear and the third gear synchronously rotate by taking the second rotating shaft as a shaft; and the second gear is meshed with the first gear;
one end of the handle is fixedly connected with the tooth crest of the gear teeth of the third gear.
Preferably, the preferred cut-out part is L-shaped overall, and the included angle is 30-120 degrees.
Preferably, the included angle of the notch portion is 90 °.
Preferably, the support portion includes an upper end surface parallel to a horizontal plane, and a side end surface forming an angle of 90 ° with the upper end surface, and the side end surface is connected to the front end surface of the mounting plate by welding.
Preferably, the support part is embedded in the cut-out part to form a complete first gear.
Preferably, the cutting apparatus further comprises: a first stopper provided around one end of the first rotating shaft passing through the first rotating hole, for preventing the first gear from coming off the first rotating shaft;
and a second stopper provided around one end of a second rotating shaft extending from the other side surface of the third gear, for preventing the second gear and the third gear from coming off the second rotating shaft.
Preferably, the first gear, the second gear and the third gear are all waste gears which cannot achieve conventional purposes, the mounting plate is a waste steel plate, and the handle is a waste steel pipe.
Preferably, one or more of the first gear, the second gear and the third gear is made of one of forged steel, cast steel and cast iron.
Preferably, a pedal part is connected to the rear end surface of the mounting plate.
On the other hand, the manufacturing method of the cutting device is also provided, and the manufacturing method comprises the following steps:
s1, prefabricating the mounting plate, the first fixing ring and the second fixing ring, cutting a first notch part and a second notch part on the mounting plate, and correspondingly welding the first fixing ring and the second fixing ring in the first notch part and the second notch part;
s2, welding the supporting part on the front end surface of the connecting part of the mounting plate, and enabling the upper end surface of the supporting part to be parallel to the horizontal plane; simultaneously cutting the cut-out portion in the first gear;
s3, sequentially inserting the first rotating shaft through the first fixing ring and the first rotating hole of the first gear, and welding the first stopper to an outer circumferential surface of one end of the first rotating shaft inserted through the first rotating hole;
sequentially penetrating the second rotating shaft through the second fixing ring, the second rotating hole of the second gear and the third rotating hole of the third gear, and welding the second limiting piece on the outer peripheral surface of one end of the second rotating shaft extending out of the surface of the other side of the third gear;
and ensuring that the second gear is meshed with the first gear;
s4, welding one end of the handle on the tooth crest of the gear teeth of the third gear;
and S5, welding a pedal part on the rear end surface of the mounting plate.
The hard material shearing device is mainly made of gears which cannot be used conventionally in a workshop and serve as main components, the cutting surfaces of the gears form a scissor-shaped structure for shearing iron wires, steel wires, cables and small-diameter steel bars, so that a shearing tool does not need to be purchased independently, the machining and manufacturing method is simple, the use cost can be greatly reduced, the waste is fully utilized, and the hard material shearing device is energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic view of a cutting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a connection between a mounting plate and a supporting portion according to an embodiment of the invention;
FIG. 3 is a schematic view of an overall structure of a support portion according to an embodiment of the invention;
FIG. 4 is an overall view of the first gear according to the first embodiment of the present invention;
FIG. 5 is a front view of a cutting apparatus according to one embodiment of the present invention;
FIG. 6 is a top view of a cutting apparatus according to one embodiment of the present invention;
FIG. 7 is a view showing a state of use of the cutting apparatus before cutting according to the first embodiment of the present invention;
FIG. 8 is a view showing a state of use of the cutting apparatus according to the first embodiment of the present invention before cutting.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-2, the hard material shearing apparatus in this embodiment includes: the mounting plate is integrally in a [ -shape, the cross section of the mounting plate is a rectangle with an opening on one side, the mounting plate comprises a front part 1 and a rear part 1 ' which are arranged in parallel, and a cuboid-shaped connecting part 2, the front part 1 and the rear part 1 ' are connected to the left end face of the connecting part 2, and the front part 1, the rear part 1 ' and the connecting part 2 are all waste steel plates which cannot be normally used; meanwhile, the upper end face of the connecting part 2 of the mounting rack is provided with a first notch part 3 and a second notch part 4, a first fixing ring 31 is welded in the first notch part 3, and a second fixing ring 41 is welded in the second notch part 4, similarly, the first fixing ring 31 and the second fixing ring 41 are obtained by transversely cutting a waste steel pipe, and the rotating shaft is limited by the first fixing ring 31 and the second fixing ring 41, so that the cost is prevented;
a support part 5 fixedly installed on the front end surface of the connecting part 2 of the mounting plate, wherein as shown in fig. 2-3, the support part 5 has an upper end surface 51 parallel to the horizontal plane, and a left edge 511 and a right edge 512 of the upper end surface 51 are parallel to each other, and at the same time, a right edge 512 of the upper end surface 51 is flush with the right end surface of the connecting part 2;
a first rotating shaft 6 provided through the first fixing ring 31 in the first notch 3;
a second rotation shaft 7 provided through the second fixing ring 41 in the second notch 4;
a first gear 8, as shown in fig. 4, having a first rotation hole 81 at the middle thereof for the first rotation shaft 6 to pass through, and a cut-out portion 82 at the edge of the first gear 8 by cutting in the circumferential direction, wherein when the first gear 8 rotates around the first rotation shaft 6, the upper portion 821 of the cut-out portion 82 and the support portion 5 form a scissors-like structure for shearing off hard materials; specifically, as shown in fig. 5, the cut-out portion 82 and the support portion 5 correspond to two blades of scissors, the first rotating shaft 6 corresponds to a rotating shaft of the scissors, and when the first gear 8 rotates counterclockwise, a hard material including: multi-core cables, iron wires with the diameter of 0.1-0.5cm, steel wires with the diameter of 0.1-0.5cm, block materials with the thickness of 0.1-0.3cm and the like; preferably, in order to ensure the cutting effect, the distance between the left end surface of the notch 82 and the right end surface of the support part 5 is 0.5-3.5mm (preferably 1.5mm), so that the notch 82 and the support part 5 are close to each other as much as possible;
a second gear 9 having a second rotation hole (not shown) formed at a middle portion thereof;
a third gear 10 having a third rotation hole (not shown) opened at a middle portion thereof;
and a handle 11, one end of the handle 11 is fixedly connected with the tooth tops of the gear teeth of the third gear 10 by welding, preferably, for the convenience of grasping, the tail end of the handle 11 is fixedly connected with a ball-shaped piece 111 by welding;
as shown in fig. 6, the second gear 9 is fixed on one side surface of the third gear 10 by welding, bonding, or the like, the second rotation hole is communicated with the third rotation hole, and the second rotation shaft 7 sequentially passes through the second fixing ring 41, the second rotation hole, and the third rotation hole on the second notch portion 4 and then extends out from the other side surface of the third gear 10, so that the second gear 9 and the third gear 10 both rotate synchronously around the second rotation shaft 7; and the second gear 9 meshes with the first gear 8;
the first gear 8, the second gear 9 and the third gear 10 are waste gears which cannot achieve conventional purposes, the diameter of the first gear 8 is 15-35cm (preferably 25cm), the diameter of the second gear 9 is 15-25cm (preferably 20cm), and the diameter of the third gear 10 is 10-20cm (preferably 15 cm); the handle 11 is formed by cutting waste steel pipes.
Further, the whole of the notch 82 is L-shaped, and the included angle θ is 30 to 120 °, preferably, the included angle θ is 90 °.
As shown in fig. 3, the support part 5 further includes a side end surface 52 having an angle of 90 ° with the upper end surface 51, and the side end surface 52 is connected to the front end surface of the connecting part 2 of the mounting plate by welding, and preferably, the support part 5 is fitted into the notch 82 to form the complete first gear 8, that is, the support part 5 is a part of the first gear 8, so that the notch 82 and the support part 5 can be formed at the same time by cutting only one complete first gear 8, thereby reducing the manufacturing process and cost.
Simultaneously, the cutting device still includes: a first stopper 12 provided around one end of the first rotating shaft 6 passing through the first rotating hole 81, for preventing the first gear 8 from coming off the first rotating shaft 6;
and/or a second stopper 13 disposed around one end of the second rotating shaft 7 protruding from the other side surface of the third gear 10, for preventing the second gear 9 and the third gear 10 from coming off the second rotating shaft 7;
preferably, the first limiting part 12 and/or the second limiting part 13 are fixedly disposed on the outer circumferential surfaces of the first rotating shaft 6 and the second rotating shaft 7 respectively in a welding manner, and similarly, the first limiting part 12 and/or the second limiting part 13 are formed by transversely cutting waste circular tubes.
In order to ensure that hard materials with hard texture, large diameter and large thickness can be cut, one or more of the first gear 8, the second gear 9 and the third gear 10 are made of one of forged steel, cast steel and cast iron, thereby ensuring that the edges of the cut-out portion 82 and the supporting portion 5 have enough strength.
In addition, the end surface of the rear portion 1' of the mounting plate is connected with a pedal portion 15, and the pedal portion 15 is also cut from a waste steel plate.
When the cutting tool is used, as shown in fig. 7, the ball-shaped piece 111 is held by hand, the handle 11 is pulled anticlockwise, the second gear 9 and the third gear 10 are further driven to rotate anticlockwise around the second rotating shaft 7, the second gear 9 is meshed with the first gear 8, so that the second gear 9 can drive the first gear 8 to rotate clockwise, the cut-out portion 82 of the first gear 8 is sufficiently staggered with the supporting portion 5, and then the hard material (such as an iron wire to be cut, a steel bar and the like) is placed on the upper end face 51 of the supporting portion 5, one end of the hard material is positioned in the cut-out portion 82, and the hard material is pinched by one hand; as shown in fig. 8, the other hand again holds the ball 111, pulls the handle 11 clockwise, and further drives the second gear 9 and the third gear 10 to rotate clockwise around the second rotation shaft 7, and the second gear 9 further drives the first gear 8 to rotate counterclockwise, so that the upper portion 821 of the cut-out portion 82 of the first gear 8 approaches the support portion 5, and the hard material is cut off by the sharp edges of the two. Or, when cutting a hard material with a relatively large diameter and a relatively thick thickness, the whole device can be put on the ground, and the foot is stepped on the pedal part 15 to fix the whole device, and then the device is cut off according to the above manner, so that the force is applied and the shaking is prevented.
Example two:
the embodiment also provides a manufacturing method of the cutting device in the first embodiment, which includes the following steps:
s1, prefabricating the mounting plate, the first fixing ring and the second fixing ring by cutting the waste steel plate, cutting a first notch part and a second notch part on the mounting plate, and correspondingly welding the first fixing ring and the second fixing ring in the first notch part and the second notch part;
s2, welding the supporting part on the front end surface of the connecting part of the mounting plate, and enabling the upper end surface of the supporting part to be parallel to the horizontal plane; simultaneously cutting the cut-out portion in the first gear;
s3, sequentially inserting the first rotating shaft through the first fixing ring and the first rotating hole of the first gear, and welding the first stopper to an outer circumferential surface of one end of the first rotating shaft inserted through the first rotating hole;
sequentially penetrating the second rotating shaft through the second fixing ring, the second rotating hole of the second gear and the third rotating hole of the third gear, and welding the second limiting piece on the outer peripheral surface of one end of the second rotating shaft extending out of the surface of the other side of the third gear;
and ensuring that the second gear is meshed with the first gear;
s4, welding one end of the handle on the tooth crest of the gear teeth of the third gear;
and S5, welding a pedal part on the rear end surface of the mounting plate.
The technical features of the first and second embodiments can be combined arbitrarily, and the combined technical solutions all belong to the protection scope of the present invention.
In conclusion, the hard material shearing device is mainly manufactured by taking the gears, the waste round tubes, the waste steel plates and the like which cannot be used conventionally in a workshop as main components, is convenient to obtain materials and low in cost, and is used for shearing iron wires, steel wires, cables and small-diameter steel bars by forming the scissor-shaped structure through the cut parts of the gears, so that a shearing tool does not need to be purchased independently, the processing and manufacturing method is simple, the use cost can be greatly reduced, the waste is fully utilized, and the hard material shearing device is energy-saving and environment-friendly.
In the present invention, the "front" means a direction in which the supporting portion 5 faces the user in the cutting apparatus, and the remaining directions such as "rear", "left", "right", "up" and "down" are determined based on this.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. A hard material shearing device, comprising:
the mounting plate is integrally in a [ -shape, the cross section of the mounting plate is a rectangle with an opening at one side, and the mounting plate comprises a front part and a rear part which are arranged in parallel and a cuboid-shaped connecting part; the front part and the rear part are both connected to the left end surface of the connecting part; the upper end surface of the mounting rack is provided with a first gap part and a second gap part;
the supporting part is fixedly arranged on the front end face of the connecting part of the mounting plate, the supporting part is provided with an upper end face parallel to the horizontal plane, the left edge and the right edge of the upper end face are parallel to each other, and the right edge of the upper end face is flush with the right end face of the connecting part;
a first rotating shaft disposed through the first notch portion;
a second rotation shaft disposed through the second notch portion;
the middle part of the first gear is provided with a first rotating hole for the first rotating shaft to pass through, the edge of the first gear is provided with a notch in the circumferential direction, and when the first gear rotates around the first rotating shaft, the upper part of the notch and the supporting part form a scissors-shaped structure for shearing hard materials;
the middle part of the second gear is provided with a second rotating hole;
the middle part of the third gear is provided with a third rotating hole;
a handle;
a first stopper provided around one end of the first rotating shaft passing through the first rotating hole, for preventing the first gear from coming off the first rotating shaft;
the second limiting piece is arranged around one end of a second rotating shaft extending out from the other side surface of the third gear and used for preventing the second gear and the third gear from falling off from the second rotating shaft;
the second gear is fixed on one side surface of the third gear, the second rotating hole is communicated with the third rotating hole, and the second rotating shaft penetrates through the second rotating hole and the third rotating hole and then extends out of the other side surface of the third gear, so that the second gear and the third gear synchronously rotate by taking the second rotating shaft as a shaft; and the second gear is meshed with the first gear;
one end of the handle is fixedly connected with the tooth crest of the gear teeth of the third gear;
the supporting part is embedded into the cut part to form a complete first gear;
the first gear, the second gear and the third gear are all waste gears which cannot realize conventional purposes, the mounting plate is a waste steel plate, and the handle is a waste steel pipe;
the whole notch part is L-shaped, and the included angle is 90 degrees;
the supporting part comprises an upper end face parallel to the horizontal plane and a side end face forming an angle of 90 degrees with the upper end face, and the side end face is connected with the front end face of the mounting plate through welding;
one or more of the first gear, the second gear and the third gear are made of one of forged steel, cast steel and cast iron, and a pedal part is connected to the rear end face of the mounting plate.
2. A method of manufacturing a cutting apparatus as claimed in claim 1, comprising the steps of:
s1, prefabricating the mounting plate, the first fixing ring and the second fixing ring, cutting a first notch part and a second notch part on the mounting plate, and correspondingly welding the first fixing ring and the second fixing ring in the first notch part and the second notch part;
s2, welding the supporting part on the front end surface of the connecting part of the mounting plate, and enabling the upper end surface of the supporting part to be parallel to the horizontal plane; simultaneously cutting the cut-out portion in the first gear;
s3, sequentially inserting the first rotating shaft through the first fixing ring and the first rotating hole of the first gear, and welding the first stopper to an outer circumferential surface of one end of the first rotating shaft inserted through the first rotating hole;
sequentially penetrating the second rotating shaft through the second fixing ring, the second rotating hole of the second gear and the third rotating hole of the third gear, and welding the second limiting piece on the outer peripheral surface of one end of the second rotating shaft extending out of the surface of the other side of the third gear;
and ensuring that the second gear is meshed with the first gear;
s4, welding one end of the handle on the tooth crest of the gear teeth of the third gear;
and S5, welding a pedal part on the rear end surface of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963782.7A CN109201957B (en) | 2018-08-23 | 2018-08-23 | Hard material shearing device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963782.7A CN109201957B (en) | 2018-08-23 | 2018-08-23 | Hard material shearing device and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109201957A CN109201957A (en) | 2019-01-15 |
| CN109201957B true CN109201957B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810963782.7A Active CN109201957B (en) | 2018-08-23 | 2018-08-23 | Hard material shearing device and manufacturing method thereof |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7013567B2 (en) * | 2003-10-27 | 2006-03-21 | Myers Kent J | Hand held pipe cutters |
| JP5839569B2 (en) * | 2012-02-24 | 2016-01-06 | 日本電信電話株式会社 | Pipe cutting jig |
| CN203679118U (en) * | 2014-01-24 | 2014-07-02 | 安徽润杨电力器材有限公司 | Steel wire quick truncation discharge device |
| CN204996986U (en) * | 2015-10-07 | 2016-01-27 | 台州市名泰建设工程有限公司 | Reinforcing bar shears |
| CN205414265U (en) * | 2016-03-24 | 2016-08-03 | 陈宇飞 | A taut ware of cutting for wire rope |
| CN107671208A (en) * | 2017-11-22 | 2018-02-09 | 米易元通铁钛有限责任公司 | Bar cropper |
| CN209124789U (en) * | 2018-08-23 | 2019-07-19 | 大连锐重冶金设备制造有限公司 | A kind of hard material clipping apparatus |
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2018
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| CN109201957A (en) | 2019-01-15 |
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