CN111644244B - Scrap shears with multiple sets of tool bits - Google Patents
Scrap shears with multiple sets of tool bits Download PDFInfo
- Publication number
- CN111644244B CN111644244B CN201910464284.2A CN201910464284A CN111644244B CN 111644244 B CN111644244 B CN 111644244B CN 201910464284 A CN201910464284 A CN 201910464284A CN 111644244 B CN111644244 B CN 111644244B
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- CN
- China
- Prior art keywords
- cutter
- shaft
- cutter head
- driven
- trough
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2291—Feed chute arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Shearing Machines (AREA)
Abstract
A scrap cutter with multiple sets of cutter heads is applied to cold-rolled strip steel production equipment. The transmission motor and the coupler drive the driving shaft to rotate, the driving shaft, the driving gear, the shifting fork, the driven shaft and the driven gear are arranged in the cutter box, and under the action of the shifting fork and the spline groove, the first cylinder pushes the driving gear to axially move on the driving shaft, so that the meshing switching between the driving gear and the driven gear II and the meshing switching between the driving gear III are realized; the tool bit with the inclined shearing blade is arranged on the outer side of a driven shaft extending out of the tool box, the cylinder drives the movable trough to hinge, and the movable trough can be in butt joint with different inlet troughs. The invention has the most obvious characteristics that the shifting fork pushes the driving gear to be meshed with different driven gears, different cutter heads can be selected to rotate, the waste rim charge can be guided into different material tanks to be sheared by the moving material tanks, the structure is simple and reliable, the production efficiency is improved, and the equipment failure rate is effectively reduced.
Description
Technical Field
The invention relates to the technical field of cold-rolled strip steel production equipment, in particular to a scrap cutter with multiple sets of cutter heads.
Background
In the post-treatment production line of the cold-rolled sheet strips, scrap shears are important equipment for finishing procedures, and the scrap shears are used for cutting up the scrap materials sheared from the two sides of the sheet strips so as to facilitate the transportation and subsequent treatment of the scrap materials. As the specification and quality of the cold-rolled products are gradually improved, the hardness of the strip steel is correspondingly improved, the shearing blade is worn too fast, the consumption is large, the time for replacing the tool bit of the scrap shear is long, and particularly for a continuous production unit, the overhaul and maintenance time for equipment is limited, so that the production efficiency of the whole unit is determined to a certain extent by the efficiency of the scrap shear. In the prior art, a pair of cutter heads are respectively arranged on two sides of a cutter box in a scrap shear mode, an oil cylinder pushes the cutter box to linearly move, a flange clutch between a main transmission motor and the cutter box is separated, a hydraulic motor drives a rotary table to rotate, so that the main cutter heads and the spare cutter heads of the cutter box exchange stations, and the oil cylinder pulls back the cutter box again to be combined with the main transmission motor. The scrap shears with the rotatable tool boxes can meet the requirement of continuous production, but have the problems of complex rotary structure, hydraulic valve table configuration, easy oil leakage and the like, and once the rotary structure or the hydraulic system has problems, the maintenance time is longer, so that the continuous production is not facilitated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a scrap cutter with multiple sets of cutter heads, which can replace and maintain the cutter heads on line.
In order to achieve the aim of the invention, a driven gear I on a driven shaft I and a driven gear II on a driven shaft II are in a constant meshing structure, and a driven gear III on a driven shaft III and a driven gear IV on a driven shaft IV are in a constant meshing structure; the transmission motor and the coupler drive the driving shaft to rotate, the driving shaft is provided with a spline groove, a spline on the driving gear is in sliding fit with the spline groove, a piston rod of the first cylinder is connected with the shifting fork, under the action of the shifting fork and the spline groove, the piston rod of the first cylinder pushes the driving gear to axially move on the driving shaft, and the driving gear is meshed with the second driven gear and the third driven gear to realize switching under the action of the shifting fork; the first driven shaft is provided with a first cutter head, the second driven shaft is provided with a second cutter head, inclined cutting edges uniformly distributed on the circumference of the first cutter head and the second cutter head are symmetrically arranged, two sides of the first cutter head and the second cutter head are provided with an inlet trough I and an outlet trough I, the third driven shaft is provided with a third cutter head, the fourth driven shaft is provided with a fourth cutter head, the third cutter head and the fourth cutter head are symmetrically arranged on the circumference of the inclined cutting edges uniformly distributed, two sides of the third cutter head and the fourth cutter head are provided with an inlet trough II and an outlet trough II, a piston rod of the second cylinder is connected with the middle part of the moving trough, one end of the moving trough is hinged with a pin shaft, the second cylinder drives the moving trough to move along the pin shaft in a hinged manner, and the other end of the moving trough can be respectively butted with the inlet trough I and the inlet trough II.
The cutter box and the transmission motor are fixed on the bottom plate, the bottom of the bottom plate is in sliding fit with a guide rail arranged above the frame, the speed reducing motor fixed in the middle of the frame drives the screw rod to rotate, and the cutter box and the transmission motor can linearly move on the frame under the action of the guide rail and the screw rod.
The two ends of the driving shaft, the driven shaft I, the driven shaft II, the driven shaft III and the driven shaft IV are connected with the cutter box through bearings; the driving gear, the driven gear I, the driven gear II, the driven gear III, the driven gear IV and the shifting fork are arranged in the tool box, and the tool bit I, the tool bit II, the tool bit III, the tool bit IV, the transmission motor, the cylinder I, the cylinder II and the moving trough are arranged outside the tool box; the pin shaft and the cylinder barrel of the second cylinder are fixed on the material rack.
An inner hole at one end of the shifting fork is in sliding connection with the shaft, and an arc-shaped shifting rod at the other end of the shifting fork is connected with two ends of the driving gear.
The cutter boxes are respectively arranged on two sides of the frame.
Compared with the prior art, the invention has the most obvious characteristics that the shifting fork pushes the driving gear to be meshed with different driven gears, different cutter heads can be selected to rotate, the movable trough can guide waste rim charge into different troughs for shearing, the structure is simple and reliable, the production efficiency is improved, and the equipment failure rate is effectively reduced.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a cross-sectional view of the tool case of fig. 1.
Fig. 4 is a schematic view of the fork of fig. 1 pushing the driving gear.
Fig. 5 is a schematic diagram of the meshing of the driving gear and the driven gear of fig. 1.
In the figure: 1. a frame; 2. a guide rail; 3. a first tool bit; 4. a second cutter head; 5. a cutter head III; 6. a cutter head IV; 7. a tool box; 8. a coupling; 9. a drive motor; 10. an inlet trough II; 11. moving the trough; 12. a pin shaft; 13. a cylinder II, a cylinder 14 and a driven shaft I; 15. a driven gear I; 16. a driven gear II; 17. a driven shaft II; 18. a first cylinder; 19. a shifting fork; 20. a drive gear; 21. a driving shaft; 22. a driven shaft III; 24. a driven shaft IV; 25. a driven gear IV; 26. a piston rod; 27. a shaft; 28. spline grooves; 29. waste rim charge; 30. driving a screw rod; 31. a speed reducing motor; 32. a bottom plate; 33. tilting the cutting edge; 34. and (5) a material rack.
Detailed Description
As shown in fig. 1,2, 3,4 and 5, a cutter box 7 and a transmission motor 9 of the invention are fixed on a bottom plate 32, the bottom of the bottom plate 32 is in sliding fit with a guide rail 2 arranged above a frame 1, a speed reducing motor 31 fixed in the middle of the frame 1 drives a screw rod 30 to rotate, and the cutter box 7 and the transmission motor 9 can linearly move on the frame 1 under the action of the guide rail 2 and the screw rod 30; the cutter boxes 7 are respectively arranged on two sides of the frame 1 and are used for shearing waste rim materials on two sides of the plate belt.
The driven gear I15 on the driven shaft I14 and the driven gear II 16 on the driven shaft II 17 are in a constant meshing structure, and the driven gear III 23 on the driven shaft III 22 and the driven gear IV 25 on the driven shaft IV 24 are in a constant meshing structure; the transmission motor 9 and the coupler 8 drive the driving shaft 21 to rotate, the driving shaft 21 is provided with a spline groove 28, a spline on the driving gear 20 is in sliding fit with the spline groove 28, a piston rod 26 of the first cylinder 18 is connected with the shifting fork 19, under the action of the shifting fork 19 and the spline groove 28, the piston rod 26 of the first cylinder 18 pushes the driving gear 20 to axially move on the driving shaft 21, the meshing of the driving gear 20, the driven gear 16 and the driven gear three 23 can be switched under the action of the shifting fork 19, an inner hole at one end of the shifting fork 19 is in sliding connection with the shaft 27, and an arc-shaped shifting rod at the other end of the shifting fork 19 is connected with two ends of the driving gear 20; the cutter head I3 is arranged on the driven shaft I14, the cutter head II 4 is arranged on the driven shaft II 17, inclined cutting edges 33 uniformly distributed on the circumferences of the cutter head I3 and the cutter head II 4 are symmetrically arranged, an inlet trough I9 and an outlet trough I7 are arranged on two sides of the cutter head I3 and the cutter head II 4, a cutter head III 5 is arranged on the driven shaft III 22, a cutter head IV 6 is arranged on the driven shaft IV 24, inclined cutting edges 33 uniformly distributed on the circumferences of the cutter head III 5 and the cutter head IV 6 are symmetrically arranged, an inlet trough II 10 and an outlet trough II 8 are arranged on two sides of the cutter head III 5 and the cutter head IV 6, a piston rod of the cylinder II 13 is connected with the middle part of the movable trough 11, one end of the movable trough 11 is hinged with the pin shaft 12, the cylinder II 13 drives the movable trough 11 to hinge along the pin shaft 12, the other end of the movable trough 11 can be respectively butted with the inlet trough I9 and the inlet trough II 10, and the pin shaft 12 is fixed on the material frame 34 with a cylinder barrel of the cylinder II 13.
The two ends of the driving shaft 21, the driven shaft I14, the driven shaft II 17, the driven shaft III 22 and the driven shaft IV 24 are connected with the tool box 7 through bearings; the driving gear 20, the driven gear 15, the driven gear 16, the driven gear 23, the driven gear 25 and the shifting fork 19 are arranged in the tool box 7; the first cutter head 3, the second cutter head 4, the third cutter head 5 and the fourth cutter head 6 are arranged on the outer sides of corresponding driven shafts extending out of the cutter box 7, and the transmission motor 9, the first cylinder 18, the second cylinder 13 and the moving trough 11 are arranged outside the cutter box 7.
The working process of the invention comprises the following steps: when the first cutter head 3 and the second cutter head 4 need to be overhauled and maintained, the shifting fork 19 drives the driving gear 20 to be separated from the driven gear 16 and then is meshed with the driven gear three 23, the second cylinder 13 drives the moving trough 11 to be separated from the first inlet trough 9 and then is in butt joint with the second inlet trough 10, the waste rim charge 29 is guided to the second inlet trough 10, the inclined shearing blades 33 uniformly distributed on the circumferences of the third cutter head 5 and the third cutter head 6 are mutually meshed, and the waste rim charge 29 is sheared.
Claims (3)
1. A scrap cutter with multiple sets of cutter heads, characterized in that: the driven gear I (15) on the driven shaft I (14) and the driven gear II (16) on the driven shaft II (17) are in a constant meshing structure, and the driven gear III (23) on the driven shaft III (22) and the driven gear IV (25) on the driven shaft IV (24) are in a constant meshing structure; the transmission motor (9) and the coupler (8) drive the driving shaft (21) to rotate, the driving shaft (21) is provided with a spline groove (28), a spline on the driving gear (20) is in sliding fit with the spline groove (28), a piston rod (26) of the first cylinder (18) is connected with the shifting fork (19), under the action of the shifting fork (19) and the spline groove (28), the piston rod (26) of the first cylinder (18) pushes the driving gear (20) to axially move on the driving shaft (21), and the meshing of the driving gear (20) with the second driven gear (16) and the third driven gear (23) can be switched under the action of the shifting fork (19); the cutter head I (3) is arranged on the driven shaft I (14), the cutter head II (4) is arranged on the driven shaft II (17), inclined cutting edges (33) uniformly distributed on the circumferences of the cutter head I (3) and the cutter head II (4) are symmetrically arranged, an inlet trough I (9) and an outlet trough I are arranged on two sides of the cutter head I (3) and the cutter head II (4), the cutter head III (5) is arranged on the driven shaft III (22), the cutter head IV (24) is provided with the cutter head IV (6), inclined cutting edges (33) uniformly distributed on the circumferences of the cutter head III (5) and the cutter head IV (6) are symmetrically arranged, two sides of the cutter head III (5) and the cutter head IV (6) are provided with an inlet trough II (10) and an outlet trough II (8), a piston rod of the cylinder II (13) is connected with the middle part of the movable trough (11), one end of the movable trough (11) is hinged with the pin shaft (12), the cylinder II (13) drives the movable trough (11) to move along the pin shaft (12) in a hinged mode, and the other end of the movable trough (11) can be respectively butted with the inlet trough I (9) and the inlet trough II (10);
The cutter box (7) and the transmission motor (9) are fixed on the bottom plate (32), the bottom of the bottom plate (32) is in sliding fit with the guide rail (2) arranged above the frame (1), the speed reducing motor (31) fixed in the middle of the frame (1) drives the screw rod (30) to rotate, and the cutter box (7) and the transmission motor (9) can linearly move on the frame (1) under the action of the guide rail (2) and the screw rod (30);
The two ends of the driving shaft (21), the driven shaft I (14), the driven shaft II (17), the driven shaft III (22) and the driven shaft IV (24) are connected with the tool box (7) through bearings; the driving gear (20), the driven gear I (15), the driven gear II (16), the driven gear III (23), the driven gear IV (25) and the shifting fork (19) are arranged in the tool box (7), and the first tool bit (3), the second tool bit (4), the third tool bit (5), the fourth tool bit (6), the transmission motor (9), the first air cylinder (18), the second air cylinder (13) and the moving trough (11) are arranged outside the tool box (7); the pin shaft (12) and the cylinder barrel of the second cylinder (13) are fixed on the material rack (34).
2. The scrap cutter with multiple sets of cutter heads according to claim 1, wherein: an inner hole at one end of the shifting fork (19) is in sliding connection with the shaft (27), and an arc-shaped shifting rod at the other end of the shifting fork (19) is connected with two ends of the driving gear (20).
3. The scrap cutter with multiple sets of cutter heads according to claim 1, wherein: the cutter boxes (7) are respectively arranged on two sides of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910464284.2A CN111644244B (en) | 2019-05-30 | 2019-05-30 | Scrap shears with multiple sets of tool bits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910464284.2A CN111644244B (en) | 2019-05-30 | 2019-05-30 | Scrap shears with multiple sets of tool bits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111644244A CN111644244A (en) | 2020-09-11 |
| CN111644244B true CN111644244B (en) | 2024-05-17 |
Family
ID=72343535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910464284.2A Active CN111644244B (en) | 2019-05-30 | 2019-05-30 | Scrap shears with multiple sets of tool bits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111644244B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027157A (en) * | 2004-07-21 | 2007-08-29 | Sms迪马格股份公司 | Method and device for calibrating seam cutters and blade-carrier heads |
| CN201500815U (en) * | 2009-09-17 | 2010-06-09 | 宝山钢铁股份有限公司 | Positioning device for improving scrap cutter replacing efficiency |
| CN203556948U (en) * | 2013-10-30 | 2014-04-23 | 中国重型机械研究院股份公司 | Cutting head component of sheet scrap chopper |
| CN203778845U (en) * | 2014-03-19 | 2014-08-20 | 中冶赛迪工程技术股份有限公司 | Cutter holder with multiple cutting heads and circle shear device thereof |
| CN205118223U (en) * | 2015-11-19 | 2016-03-30 | 二重集团（德阳）重型装备股份有限公司 | Rotary driving mechanism of rotary drum flying shear |
| CN206392948U (en) * | 2016-12-28 | 2017-08-11 | 中冶南方工程技术有限公司 | A kind of new scrap chopper |
| CN109531176A (en) * | 2018-12-28 | 2019-03-29 | 中冶京诚工程技术有限公司 | Online trimming device and online method for cutting edge in strip rolling-casting production process |
| CN210303954U (en) * | 2019-05-30 | 2020-04-14 | 襄阳博亚精工机器有限公司 | Scrap cutter with multiple sets of cutter heads |
-
2019
- 2019-05-30 CN CN201910464284.2A patent/CN111644244B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101027157A (en) * | 2004-07-21 | 2007-08-29 | Sms迪马格股份公司 | Method and device for calibrating seam cutters and blade-carrier heads |
| CN201500815U (en) * | 2009-09-17 | 2010-06-09 | 宝山钢铁股份有限公司 | Positioning device for improving scrap cutter replacing efficiency |
| CN203556948U (en) * | 2013-10-30 | 2014-04-23 | 中国重型机械研究院股份公司 | Cutting head component of sheet scrap chopper |
| CN203778845U (en) * | 2014-03-19 | 2014-08-20 | 中冶赛迪工程技术股份有限公司 | Cutter holder with multiple cutting heads and circle shear device thereof |
| CN205118223U (en) * | 2015-11-19 | 2016-03-30 | 二重集团（德阳）重型装备股份有限公司 | Rotary driving mechanism of rotary drum flying shear |
| CN206392948U (en) * | 2016-12-28 | 2017-08-11 | 中冶南方工程技术有限公司 | A kind of new scrap chopper |
| CN109531176A (en) * | 2018-12-28 | 2019-03-29 | 中冶京诚工程技术有限公司 | Online trimming device and online method for cutting edge in strip rolling-casting production process |
| CN210303954U (en) * | 2019-05-30 | 2020-04-14 | 襄阳博亚精工机器有限公司 | Scrap cutter with multiple sets of cutter heads |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111644244A (en) | 2020-09-11 |
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