CN220196487U - Shearing mechanism - Google Patents
Shearing mechanism Download PDFInfo
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- CN220196487U CN220196487U CN202321083178.8U CN202321083178U CN220196487U CN 220196487 U CN220196487 U CN 220196487U CN 202321083178 U CN202321083178 U CN 202321083178U CN 220196487 U CN220196487 U CN 220196487U
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- movable
- cutter
- knife
- fixed
- bending
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000010008 shearing Methods 0.000 title abstract description 31
- 238000005452 bending Methods 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 abstract description 16
- 230000007704 transition Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Shearing Machines (AREA)
Abstract
The utility model relates to a shearing mechanism, comprising a movable cutter and a fixed cutter, wherein the movable cutter and the fixed cutter are arranged in an up-down staggered way, the movable cutter is positioned at the left side of the fixed cutter, and the fixed cutter is matched with the movable cutter; the bottom of the movable knife is a front-back inclined plane, the two ends of the movable knife are arranged front and back, and the downward projection of the movable knife is wave-shaped; the top of the fixed knife is a horizontal plane; the bending part of the movable cutter and the bending part of the fixed cutter are transited through round angles. The shearing mechanism is used for obliquely arranging the movable knife, so that the contact area between the movable knife and a material is reduced when the movable knife executes shearing action, the pressure intensity received in the unit volume of the material is increased, and the shearing capacity is improved; the bending positions of the movable knife and the fixed knife are in round angle transition, and round angles exist in sheared materials, so that the safety of carrying the follow-up materials is improved; the bending parts of the movable knife and the fixed knife are in transition through round corners, so that the protection capability of the movable knife and the fixed knife is improved.
Description
Technical Field
The utility model relates to a shearing mechanism, and belongs to the technical field of shearing machines.
Background
The shearing machine is suitable for metal recovery processing factories, scrapped automobile disassembly fields and smelting and casting industries, and is used for carrying out cold shearing, pressing and flanging on section steel in various shapes and various metal materials and pressing and forming of powdery products, plastics, glass fiber reinforced plastics, insulating materials and rubber. The most common of metal shears are crocodile shears and shearing mechanisms.
The utility model patent application number CN202110108883.8 discloses a shearing assembly and a shearing machine, wherein the shearing assembly comprises: a movable cutter assembly, a fixed cutter assembly and a power source; wherein, move sword subassembly and include: the movable knife seat and the movable knife arranged on the movable knife seat; the movable cutter is provided with a shearing edge formed by a transverse cutting edge and a longitudinal cutting edge; orthographic projection of the shearing edge along the y-axis direction is in a step shape; wherein the y-axis direction is the movement direction of the movable knife assembly; the longitudinal cutting edge is provided with a front end close to the feeding side and a rear end close to the discharging side; in the z-axis direction, the front end and the rear end are positioned at the same position or the rear end is positioned in the positive direction of the front end; wherein the z-axis direction is perpendicular to the x-axis direction and the y-axis direction; the x-axis direction is the feeding direction; in the z-axis direction, the direction of the fixed knife to the movable knife is set to be the positive direction, and the shearing assembly provided by the application can shear materials into a plurality of pieces at one time on the basis of adopting the step-shaped shearing cutting edge, so that the shearing assembly has higher production efficiency. However, in the prior art, when the material is sheared, the movable knife is horizontally arranged, so that the contact area between the movable knife and the material is larger, the pressure intensity received in the unit area of the material is smaller, and the shearing capacity is affected.
Therefore, a need exists for a shear mechanism that improves the shear capacity.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the deficiencies of the prior art, a shearing mechanism is provided that improves the shearing capacity.
The utility model solves the problems by adopting the following technical scheme: the shearing mechanism comprises a movable cutter and a fixed cutter, wherein the movable cutter and the fixed cutter are arranged in an up-down staggered mode, the movable cutter is positioned at the left side of the fixed cutter, and the fixed cutter is matched with the movable cutter;
the bottom of the movable knife is a front-back inclined plane, the two ends of the movable knife are arranged front and back, and the downward projection of the movable knife is wave-shaped;
the top of the fixed knife is a horizontal plane;
the bending part of the movable cutter and the bending part of the fixed cutter are transited through round angles.
Preferably, the movable blade is composed of a movable blade front end portion, a movable blade rear end portion, and a movable blade bending portion, and the movable blade front end portion and the movable blade rear end portion are respectively provided at front and rear ends of the movable blade bending portion.
Preferably, the movable knife bending part comprises a plurality of first movable knife bending parts and a plurality of second movable knife bending parts, and the first movable knife bending parts and the second movable knife bending parts are spliced from front to back alternately and from head to tail.
Preferably, the stationary blade is composed of a stationary blade front end portion, a stationary blade rear end portion and a stationary blade bending portion, and the stationary blade front end portion and the stationary blade rear end portion are respectively arranged at the front end and the rear end of the stationary blade bending portion.
Preferably, the fixed cutter bending part comprises a plurality of first fixed cutter bending parts and a plurality of second fixed cutter bending parts, and the first fixed cutter bending parts and the second fixed cutter bending parts are spliced from front to back alternately and from head to tail.
Preferably, the bottom parts of the fixed cutter front end part, the fixed cutter rear end part, the plurality of first fixed cutter bending pieces and the plurality of second fixed cutter bending pieces are all provided with cutter pads.
Preferably, the round angle of the bending part of the movable knife and the round angle of the bending part of the fixed knife are obtuse angles.
Preferably, the device also comprises a movable cutter seat and a fixed cutter seat;
the bottom of the movable cutter holder and the bottom of the movable cutter are in the same plane, a movable cutter mounting groove is formed in the right side of the bottom of the movable cutter holder, the movable cutter mounting groove is matched with the movable cutter, the movable cutter is fixedly mounted in the movable cutter mounting groove, and the right side surface of the movable cutter holder is matched with the wavy projection of the movable cutter;
the top of the stationary knife holder is in the same plane with the top of the stationary knife, a stationary knife installation groove is formed in the left side of the top of the stationary knife holder, the stationary knife installation groove is matched with the stationary knife, and the stationary knife is fixedly installed in the stationary knife installation groove.
Preferably, the right side surface of the movable cutter seat is matched with the wavy projection of the movable cutter.
Preferably, the left side surface of the fixed cutter seat is matched with the left side surface of the fixed cutter.
Compared with the prior art, the utility model has the advantages that:
1. the movable knife is obliquely arranged, so that the contact area between the movable knife and a material is reduced when the movable knife executes shearing action, the pressure intensity in the unit volume of the material is increased, and the shearing capacity is improved;
2. the bending positions of the movable knife and the fixed knife are in round angle transition, and round angles exist in sheared materials, so that the safety of carrying the follow-up materials is improved;
3. the bending parts of the movable knife and the fixed knife are in transition through round corners, so that the protection capability of the movable knife and the fixed knife is improved.
Drawings
FIG. 1 is a schematic view of a first mounting structure of a shear mechanism according to the present utility model;
FIG. 2 is a schematic view of a second mounting structure of a shear mechanism according to the present utility model;
FIG. 3 is a schematic view of the structure of the movable blade;
FIG. 4 is a schematic view of the structure of the stationary knife;
FIG. 5 is a schematic view of the structure of the fixed cutter holder;
fig. 6 is a schematic structural view of the movable blade holder.
Wherein:
the device comprises a frame 101, a movable cutter holder 102, a fixed cutter holder 103, a shearing cylinder 104, a movable cutter mounting groove 105, a movable cutter 106, a fixed cutter mounting groove 107, a fixed cutter 108 and a cutter pad 109;
a movable blade front end 106.1, a movable blade rear end 106.2, and a movable blade bending portion 106.3;
a first movable blade bending member 106.31 and a second movable blade bending member 106.32;
a fixed cutter front end 108.1, a fixed cutter rear end 108.2, and a fixed cutter bending part 108.3;
first fixed blade bending member 108.31 and second fixed blade bending member 108.32.
Detailed Description
As shown in fig. 1-6, in this embodiment, a shearing mechanism is installed on a frame 101, the shearing mechanism includes a movable cutter holder 102 and a fixed cutter holder 103 that are staggered up and down, the movable cutter holder 102 is located at the left side of the fixed cutter holder 103, the movable cutter holder 102 is driven to lift by three shearing cylinders 104, and the fixed cutter holder 103 is fixedly connected with the frame 101;
the bottom of the movable cutter holder 102 is a front-back inclined plane, a movable cutter mounting groove 105 is formed in the right side of the bottom of the movable cutter holder 102, a movable cutter 106 is mounted in the movable cutter mounting groove 105, the movable cutter 106 is matched with the movable cutter mounting groove 105, the bottom of the movable cutter 106 and the bottom of the movable cutter holder 102 are in the same plane, the two ends of the movable cutter 106 are arranged front and back, downward projections of the movable cutter 106 are wave-shaped, and the right side surface of the movable cutter holder 102 is matched with wave-shaped projections of the movable cutter 106;
the movable knife 106 is composed of a movable knife front end 106.1, a movable knife rear end 106.2 and a movable knife bending part 106.3, wherein the movable knife front end 106.1 and the movable knife rear end 106.2 are respectively arranged at the front end and the rear end of the movable knife bending part 106.3;
the movable cutter bending portion 106.3 comprises a plurality of first movable cutter bending members 106.31 and a plurality of second movable cutter bending members 106.32, and the plurality of first movable cutter bending members 106.31 and the plurality of second movable cutter bending members 106.32 are spliced from front to back alternately and end to end;
the right bending positions of the first movable cutter bending pieces 106.31 and the second movable cutter bending pieces 106.32 are in rounded transition, and the rounded corners are obtuse angles;
the left side of the top of the fixed cutter seat 103 is provided with a fixed cutter mounting groove 107, a fixed cutter 108 is mounted in the fixed cutter mounting groove 107, the fixed cutter 108 is matched with the fixed cutter mounting groove 107, the top of the fixed cutter seat 103 is a plane, the top of the fixed cutter 108 and the top of the fixed cutter seat 103 are in the same plane, the downward projection of the fixed cutter 108 is matched with the wavy projection of the movable cutter 106, and the left side surface of the fixed cutter seat 103 is matched with the left side surface of the fixed cutter 108;
the fixed cutter 108 is composed of a fixed cutter front end 108.1, a fixed cutter rear end 108.2 and a fixed cutter bending part 108.3, wherein the fixed cutter front end 108.1 and the fixed cutter rear end 108.2 are respectively arranged at the front end and the rear end of the fixed cutter bending part 108.3;
the fixed-cutter bending portion 108.3 comprises a plurality of first fixed-cutter bending members 108.31 and a plurality of second fixed-cutter bending members 108.32, and the plurality of first fixed-cutter bending members 108.31 and the plurality of second fixed-cutter bending members 108.32 are alternately spliced from front to back and from end to end;
the bottoms of the fixed cutter front end 108.1, the fixed cutter rear end 108.2, the plurality of first fixed cutter bending pieces 108.31 and the plurality of second fixed cutter bending pieces 108.32 are provided with cutter pads 109;
the left bending positions of the first fixed cutter bending pieces 108.31 and the second fixed cutter bending pieces 108.32 are in rounded transition, and the rounded corners are obtuse angles;
when the movable knife 106 executes shearing action, the contact area of the movable knife 106 and materials is reduced due to the inclination of the movable knife 106, the pressure intensity received by the unit volume of the materials is increased, so that the shearing capacity is improved, in addition, the sheared materials are also provided with round corners due to the rounded corner transition at the bending positions of the movable knife 106 and the fixed knife 108, the subsequent material conveying safety can be improved, and the protection capacity of the movable knife 106 and the fixed knife 108 can be improved due to the rounded corner transition;
in addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (10)
1. A shear mechanism, characterized in that: the movable cutter (106) and the fixed cutter (108) are arranged in an up-down staggered mode, the movable cutter (106) is positioned on the left side of the fixed cutter (108), and the fixed cutter (108) is matched with the movable cutter (106);
the bottom of the movable knife (106) is a front-back inclined plane, the two ends of the movable knife (106) are arranged front and back, and the downward projection of the movable knife (106) is wave-shaped;
the top of the fixed knife (108) is a horizontal plane;
the bending part of the movable knife (106) and the bending part of the fixed knife (108) are transited through round angles.
2. A shear mechanism according to claim 1, wherein: the movable knife (106) is composed of a movable knife front end (106.1), a movable knife rear end (106.2) and a movable knife bending part (106.3), and the movable knife front end (106.1) and the movable knife rear end (106.2) are respectively arranged at the front end and the rear end of the movable knife bending part (106.3).
3. A shear mechanism according to claim 2, wherein: the movable cutter bending part (106.3) comprises a plurality of first movable cutter bending parts (106.31) and a plurality of second movable cutter bending parts (106.32), and the plurality of first movable cutter bending parts (106.31) and the plurality of second movable cutter bending parts (106.32) are spliced from front to back alternately and from head to tail.
4. A shear mechanism according to claim 1, wherein: the fixed cutter (108) is composed of a fixed cutter front end (108.1), a fixed cutter rear end (108.2) and a fixed cutter bending part (108.3), and the fixed cutter front end (108.1) and the fixed cutter rear end (108.2) are respectively arranged at the front end and the rear end of the fixed cutter bending part (108.3).
5. A shear mechanism as claimed in claim 4, wherein: the fixed cutter bending part (108.3) comprises a plurality of first fixed cutter bending parts (108.31) and a plurality of second fixed cutter bending parts (108.32), and the first fixed cutter bending parts (108.31) and the second fixed cutter bending parts (108.32) are spliced from front to back alternately and from head to tail.
6. A shear mechanism as claimed in claim 5, wherein: the bottoms of the fixed cutter front end part (108.1), the fixed cutter rear end part (108.2), the first fixed cutter bending pieces (108.31) and the second fixed cutter bending pieces (108.32) are respectively provided with a cutter pad (109).
7. A shear mechanism according to any one of claims 1-6, wherein: and the round angle of the bending part of the movable knife (106) and the round angle of the bending part of the fixed knife (108) are obtuse angles.
8. A shear mechanism according to claim 1, wherein: the tool rest also comprises a movable tool rest (102) and a fixed tool rest (103);
the bottom of the movable cutter holder (102) and the bottom of the movable cutter (106) are in the same plane, a movable cutter mounting groove (105) is formed in the right side of the bottom of the movable cutter holder (102), the movable cutter mounting groove (105) is matched with the movable cutter (106), the movable cutter (106) is fixedly arranged in the movable cutter mounting groove (105), and the right side surface of the movable cutter holder (102) is matched with the wavy projection of the movable cutter (106);
the top of stationary knife seat (103) is in the coplanar with the top of stationary knife (108), the top left side of stationary knife seat (103) is provided with stationary knife mounting groove (107), stationary knife mounting groove (107) and stationary knife (108) match, stationary knife (108) fixed mounting is in stationary knife mounting groove (107).
9. A shear mechanism as claimed in claim 8, wherein: the right side surface of the movable cutter seat (102) is matched with the wavy projection of the movable cutter (106).
10. A shear mechanism as claimed in claim 8, wherein: the left side surface of the fixed cutter seat (103) is matched with the left side surface of the fixed cutter (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321083178.8U CN220196487U (en) | 2023-05-08 | 2023-05-08 | Shearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321083178.8U CN220196487U (en) | 2023-05-08 | 2023-05-08 | Shearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196487U true CN220196487U (en) | 2023-12-19 |
Family
ID=89147930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321083178.8U Active CN220196487U (en) | 2023-05-08 | 2023-05-08 | Shearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196487U (en) |
-
2023
- 2023-05-08 CN CN202321083178.8U patent/CN220196487U/en active Active
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