CN112355123A - Shearing mechanism of three-side-frame rolling part - Google Patents
Shearing mechanism of three-side-frame rolling part Download PDFInfo
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- CN112355123A CN112355123A CN202011279588.0A CN202011279588A CN112355123A CN 112355123 A CN112355123 A CN 112355123A CN 202011279588 A CN202011279588 A CN 202011279588A CN 112355123 A CN112355123 A CN 112355123A
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- side wall
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 238000010008 shearing Methods 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 title abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 238000003754 machining Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a shearing mechanism of a three-side-frame rolling part, which comprises a fixed support provided with a movable mould and a fixed mould, wherein the front part of the fixed support is a semi-closed structure with a side wall and a bottom surface; according to the invention, the section bar is adopted to pass through the closed through cavity and the force direction is converted, so that the stress of the section bar is uniform during cutting, the cutting speed is greatly accelerated due to the fixed periphery, and the precision of the cut section is greatly improved, thereby solving the technical problem in the later period.
Description
Technical Field
The invention belongs to the field of mechanical materials, relates to the field of machining, and particularly relates to a shearing mechanism.
Background
At present, a lot of sectional materials need to be cut after forming, the common method is to directly cut the corresponding sectional materials by opposite punching by using simple upper and lower cutters, and under the operation, the technical efficiency is low on one hand, and on the other hand, the cutting precision is not high, defects or various deformations, burrs and the like are easily formed on the end face of a fracture, and the repair work such as finish machining and the like at the later stage is needed, so that the increase of materials and the increase of the processing cost are caused.
For example, in the existing television three-side frame, a rolling machine is used for rolling a corresponding approximate U-shaped coil material, and then the punching of a product is finished in a simple up-down separation shearing mode, so that the method is low in efficiency on one hand, low in cutting precision on the other hand, fine machining is needed in the later stage, materials and machining cost are wasted, and a new technical scheme needs to be found for improvement.
Disclosure of Invention
In view of the above, there is a need to overcome at least one of the above-mentioned deficiencies in the prior art. The invention provides a shearing mechanism of a three-side frame rolling piece, which comprises the following components:
including fixed stay, fixed stay have link up the inner chamber and have lateral wall and bottom surface, internally mounted has movable mould and cover half, the cover half is installed fixed stay is anterior, the cover half is installed the fixed stay rear portion, the movable mould with the cover half have with the lateral wall with the bottom surface corresponds movable mould lateral wall and movable mould bottom surface and cover half lateral wall and cover half bottom surface of contact, the fixed stay is anterior for having the lateral wall with the semi-closed structure of bottom surface, the fixed stay rear portion have include the lateral wall with the bottom surface and will the cover half surrounds the peripheral fixed frame structure entirely, movable mould rear end face with cover half front end face in close contact with and have the same shape and link up the unanimous die cavity that link up, the movable mould have the driven inclined plane and with base sliding contact's slip bottom surface, the driven inclined plane with have with driven inclined plane sliding contact's pushing mechanism on inclined plane, the pushing mechanism is connected with a power source, and the shearing mechanism further comprises a return mechanism for returning the movable die to the initial position.
According to the invention, the section passes through the closed through cavity and the force direction is converted, so that the stress of the section is uniform in the cutting process, the cutting speed is greatly accelerated due to the peripheral fixation problem, the precision of the cut section can be greatly improved, and the corresponding technical problem is solved.
In addition, the shearing mechanism of the three-side frame rolling piece disclosed by the invention also has the following additional technical characteristics:
further, the movable mould with the cover half is the polygon cylinder that the shape is the same, the polygon cylinder include with the lateral wall with the bottom surface contacts the movable mould lateral wall with the movable mould bottom surface with the cover half lateral wall with the cover half bottom surface.
Furthermore, the polygonal column is a hexagonal column, the hexagonal column is provided with a movable mold side wall and a movable mold bottom surface which are in contact with the side wall and the ground, and the driven inclined surface is positioned on the upper side of the movable mold side wall and is in sliding contact with the pushing inclined surface of the pushing mechanism.
Furthermore, the through cavity is provided with a three-side cavity, and the three-side cavity is a passing approximate U-shaped section.
Furthermore, the return mechanism is an elastic mechanism and comprises elastic mechanisms positioned on one side or two sides of the movable die.
Further, the elastic mechanism comprises a spring or an elastic shrapnel.
Furthermore, a cutting edge is arranged at the position of the through cavity opening contacted with the movable mold or the fixed mold.
Further, the sharp portion of the through cavity is opposed to a direction of a shearing force generated by the pushing mechanism. The cross section of the through cavity is bound to be provided with a sharp part and a wide part, when the pushing mechanism pushes the formed shearing force to start from the sharp part, and then the shearing value is wide and large, under the condition that the section bar is provided with peripheral support, the shearing speed can be greatly improved, and a good shearing section can be formed. Thereby avoiding material waste and processing cost in the later period as much as possible.
Further, the power source is a cylinder.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic side view of an overall production of an embodiment of the present invention;
FIG. 2 is a schematic view from AA in FIG. 1;
FIG. 3 is a schematic diagram of an embodiment of the present invention in a forward direction;
FIG. 4 is a schematic drawing of a moving/stationary mold according to an embodiment of the present invention.
The device comprises a section bar 1, a fixed die 2, a movable die 3, a power source 4, an A-A direction 5 pushing mechanism, a fixed support 6, a guide block 7, an elastic mechanism 8 and a die cavity 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specifically stated or limited, the terms "coupled," "communicating," "connected," "coupled," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, integrally coupled, or detachably coupled; may be communication within two elements; can be directly connected or indirectly connected through an intermediate medium; "mating" may be a surface-to-surface mating, a point-to-surface or line-to-surface mating, and also includes a hole axis mating, and it is obvious to those skilled in the art that the above terms have specific meanings in the present invention.
The invention has the following conception that the cutting speed can be greatly increased by changing the original shearing force direction and increasing the guiding and cutting supports and considering the interaction relation between the cutting force and the cutting direction, the section precision can be greatly improved, the cost and the material waste of the later finish machining are greatly reduced, and the invention has obvious advantages.
The spatial relationship of the present invention will be described with reference to the accompanying drawings, in which FIG. 1 is a schematic side view of an overall production of an embodiment of the present invention; FIG. 2 is a schematic view from AA in FIG. 1; FIG. 3 is a schematic diagram of an embodiment of the present invention in a forward direction; FIG. 4 is a schematic drawing of a moving/stationary mold according to an embodiment of the present invention.
As shown in fig. 1 to 4, according to the embodiment of the present invention, comprising a fixed support having a through cavity and having a side wall and a bottom surface, a movable mold and a fixed mold being internally installed, the fixed mold being installed at a front portion of the fixed support, the fixed mold being installed at a rear portion of the fixed support, the movable mold and the fixed mold having a movable mold side wall and a movable mold bottom surface and a fixed mold side wall and a fixed mold bottom surface which are in corresponding contact with the side wall and the bottom surface, the front portion of the fixed support being a semi-closed structure having the side wall and the bottom surface, the rear portion of the fixed support having a frame structure including the side wall and the bottom surface and fixing the fixed mold all around a periphery, the rear end surface of the movable mold and the front end surface of the fixed mold being in close contact and having the same shape and having a through cavity which is in sliding contact with, the driven inclined surface is contacted with a pushing mechanism with a pushing inclined surface in sliding contact with the driven inclined surface, the pushing mechanism is connected with a power source, and the shearing mechanism further comprises a restoring mechanism for restoring the movable die to the initial position.
In addition, the shearing mechanism of the three-side frame rolling piece disclosed by the invention also has the following additional technical characteristics:
according to the embodiment of the invention, the movable mold and the fixed mold are polygonal cylinders with the same shape, and the polygonal cylinders comprise the movable mold side wall and the movable mold bottom surface which are in contact with the side wall and the bottom surface, and the fixed mold side wall and the fixed mold bottom surface. .
According to the embodiment of the invention, when the opening request signal of the request unit is transmitted to the fireproof door control unit, the fireproof door control unit sets the count value initialization value of the opening request signal of the request unit to be N, the fireproof door control unit detects the opening request queue at regular time, the count value of the request unit type of the inspection robot is reduced, and if the count value of the corresponding inspection robot is reduced to be 0, the opening request signal is deleted.
According to some embodiments of the present invention, the polygonal column is a hexagonal column having the movable mold side wall and the movable mold bottom surface in contact with the side wall and the floor, and the driven inclined surface is located on an upper side of the movable mold side wall and in sliding contact with the pushing inclined surface of the pushing mechanism.
According to some embodiments of the invention, the through cavity is a three-sided cavity passing through an approximately U-shaped profile.
According to some embodiments of the invention, the return mechanism is an elastic mechanism including an elastic mechanism located on one side or both sides of the movable mold.
According to an embodiment of the invention, the elastic mechanism comprises a spring or an elastic leaf spring.
According to one embodiment of the invention, a cutting edge is arranged at the through cavity opening contacted by the movable die or the fixed die.
According to an embodiment of the invention, the sharp part of the through cavity is opposite to the direction of the shear force created by the pushing mechanism. The cross section of the through cavity is bound to be provided with a sharp part and a wide part, when the pushing mechanism pushes the formed shearing force to start from the sharp part, and then the shearing value is wide and large, under the condition that the section bar is provided with peripheral support, the shearing speed can be greatly improved, and a good shearing section can be formed. Thereby avoiding material waste and processing cost in the later period as much as possible.
According to one embodiment of the invention, the power source is a cylinder.
According to one embodiment of the invention, after the section passes through the cavity, the power source pushes the pushing mechanism to punch downwards, the movable die is subjected to punching force and is rapidly sheared towards the lateral direction under the action of the bottom surface, and the sharp part penetrating through the cavity is firstly subjected to shearing force and rapidly expands to the wide part to complete shearing action.
Through utilizing outlying supporting action, the direction of shearing force for shearing efficiency promotes greatly, and the section precision is good, has improved the various processing problems in later stage greatly.
Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. This schematic representation in various places throughout this specification does not necessarily refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
While specific embodiments of the invention have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention. Except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a shearing mechanism of trilateral frame roll extrusion, its characterized in that, including the fixed stay, the fixed stay has and link up the inner chamber and has lateral wall and bottom surface, and internally mounted has movable mould and cover half, the cover half is installed the fixed stay is anterior, the cover half is installed the fixed stay rear portion, the movable mould with the cover half have with the lateral wall with the bottom surface corresponds the movable mould lateral wall and movable mould bottom surface and cover half lateral wall and cover half bottom surface of contact, the fixed stay is anterior for having the lateral wall with the semi-closed structure of bottom surface, the fixed stay rear portion have include the lateral wall with the bottom surface and will the cover half surrounds the peripheral fixed frame structure entirely, movable mould rear end face with terminal surface in close contact with just has the same shape and link up the unanimous die cavity that link up before the cover half, the movable mould have by the inclined plane and with base sliding, the driven inclined surface is contacted with a pushing mechanism with a pushing inclined surface in sliding contact with the driven inclined surface, the pushing mechanism is connected with a power source, and the shearing mechanism further comprises a restoring mechanism for restoring the movable die to the initial position.
2. A three-sided frame roller cutting mechanism as claimed in claim 1 wherein the movable die and the stationary die are polygonal cylinders of the same shape, the polygonal cylinders including the movable die side wall and the movable die bottom surface in contact with the side wall and the bottom surface and the stationary die side wall and the stationary die bottom surface.
3. A shearing mechanism for a three-sided frame roller according to claim 1, wherein said polygonal column is a hexagonal column having said movable die side wall and said movable die bottom surface in contact with said side wall and said ground, and said driven inclined surface is located on an upper side of said movable die side wall in sliding contact with said driving inclined surface of said pushing mechanism.
4. A shear mechanism for a three-sided frame roller according to claim 1, wherein the through cavity is a three-sided cavity.
5. A shear mechanism for a three-sided frame roller according to claim 1, wherein the return mechanism is a resilient mechanism comprising a resilient mechanism located on one or both sides of the moveable die.
6. A shear mechanism for a three-sided frame roller according to claim 5, characterized in that the resilient means comprise springs or resilient clips.
7. A shear mechanism for a three-sided frame roller of claim 1 wherein the through cavity opening where the moving die or the stationary die contacts has a cutting edge.
8. A shear mechanism for a three-sided frame roller according to claim 1, characterized in that the sharp part of the through cavity is opposite to the direction of the resulting shear force of the pushing mechanism.
9. A shear mechanism for a three-sided frame roller according to claim 1, wherein the power source is a pneumatic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279588.0A CN112355123A (en) | 2020-11-16 | 2020-11-16 | Shearing mechanism of three-side-frame rolling part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279588.0A CN112355123A (en) | 2020-11-16 | 2020-11-16 | Shearing mechanism of three-side-frame rolling part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112355123A true CN112355123A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011279588.0A Pending CN112355123A (en) | 2020-11-16 | 2020-11-16 | Shearing mechanism of three-side-frame rolling part |
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| Country | Link |
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| CN (1) | CN112355123A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201410529Y (en) * | 2009-03-23 | 2010-02-24 | 龙岩理尚精密机械有限公司 | C-shaped beam 45-degree oblique cutting die |
| CN202621681U (en) * | 2012-03-31 | 2012-12-26 | 福建福耀汽车零部件有限公司 | Shearing mould for vertical and horizontal high-ratio U-shaped sections |
| CN204108076U (en) * | 2014-09-19 | 2015-01-21 | 湖北澳雕实业有限公司 | Section bar cutting device |
| CN207154511U (en) * | 2017-04-28 | 2018-03-30 | 青岛三恩金属工业有限公司 | C-type steel shearing die |
| CN215032730U (en) * | 2020-11-16 | 2021-12-07 | 苏州金利美金属科技有限公司 | Shearing mechanism of three-side-frame rolling part |
-
2020
- 2020-11-16 CN CN202011279588.0A patent/CN112355123A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201410529Y (en) * | 2009-03-23 | 2010-02-24 | 龙岩理尚精密机械有限公司 | C-shaped beam 45-degree oblique cutting die |
| CN202621681U (en) * | 2012-03-31 | 2012-12-26 | 福建福耀汽车零部件有限公司 | Shearing mould for vertical and horizontal high-ratio U-shaped sections |
| CN204108076U (en) * | 2014-09-19 | 2015-01-21 | 湖北澳雕实业有限公司 | Section bar cutting device |
| CN207154511U (en) * | 2017-04-28 | 2018-03-30 | 青岛三恩金属工业有限公司 | C-type steel shearing die |
| CN215032730U (en) * | 2020-11-16 | 2021-12-07 | 苏州金利美金属科技有限公司 | Shearing mechanism of three-side-frame rolling part |
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