CN106881370A - Shear more than aluminum section extruder novel pressure - Google Patents
Shear more than aluminum section extruder novel pressure Download PDFInfo
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- CN106881370A CN106881370A CN201710261297.0A CN201710261297A CN106881370A CN 106881370 A CN106881370 A CN 106881370A CN 201710261297 A CN201710261297 A CN 201710261297A CN 106881370 A CN106881370 A CN 106881370A
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- shear
- blade
- knife
- telescoping cylinder
- shearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/04—Cutting-off or removing waste
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The present invention relates to shear more than aluminum section extruder novel pressure, include cutting mechanism and suppress mechanism, described cutting mechanism is made up of shearing telescoping cylinder, shear rod and shear knife, described shear knife swings and is arranged on shear rod bottom, positioned at the extrusion die porch of extruder, drive to move up and down by shearing telescoping cylinder and sheared, the shear knife is provided with a return mechanism；The described remaining mechanism that suppresses is constituted by suppressing remaining telescoping cylinder and charging ram, the described remaining mechanism that suppresses is arranged in shear rod, after the completion of shearing, suppress remaining telescoping cylinder and drive charging ram downwards, described suppresses the telescoping cylinder that remaining telescoping cylinder forms secondary driving charging ram in shear rod.When the present invention is applied, when can completely avoid shear knife withdrawing (the returning knife) of shear, shear surface can be dragged to, or be dragged to extrusion die, thus can effectively improve the flatness of the shear surface of extrudate, improve shear precision, it is to avoid damage extrusion die.
Description
Technical field
The present invention relates to a kind of Extrusion Process of Aluminum Alloy Profile machine equipment, and in particular to the shear of aluminum section extruder.
Background technology
It is current, it is necessary to be sheared to the discard after extruding by shear after aluminum section extruder extrudate
Shearing mainly promotes shear knife to be adjacent to the extrusion die entrance in extruder to the aluminium section bar charge bar after extruding by shear rod
Clout is sheared, and because shear knife is fixed in shear rod, therefore in shear knife withdrawing (the returning knife) of shear, lead to
The tangent plane of shearing section bar can be often dragged to, or even be dragged to extrusion die, thus not only influence the flatness of the shear surface of extrudate,
Influence shear precision, it is also possible to damage extrusion die.
The content of the invention
The purpose of the present invention is there is above-mentioned weak point to solve existing extrudate shear, there is provided one
Plant shear more than aluminum section extruder novel pressure.
The purpose of the present invention can be achieved through the following technical solutions：
Shear more than aluminum section extruder novel pressure, includes cutting mechanism and suppresses mechanism, described cutting mechanism
It is made up of shearing telescoping cylinder, shear rod and shear knife, described shear knife swings and is arranged on shear rod bottom, positioned at extruder
Extrusion die porch, is driven to move up and down and is sheared by shearing telescoping cylinder, and the shear knife is provided with a return mechanism, this time
When position mechanism shears cutting mechanism, shear knife is pressed close in extrusion die porch to down cut, and after having sheared, shear knife is automatic
Extrusion die entrance is left, makes to be playbacked upwards after forming gap between shear knife and extrusion die entrance；Described suppresses remaining machine
Structure is constituted by suppressing remaining telescoping cylinder and charging ram, and described suppresses remaining mechanism in shear rod, after the completion of shearing, suppresses
Remaining telescoping cylinder drives downwards charging ram, and described suppresses the telescoping cylinder that remaining telescoping cylinder forms secondary driving charging ram in shear rod,
Make to suppress remaining mechanism charging ram after cutting mechanism completes shearing to continue to be promoted downwards, by aluminium discard material and shear knife or/
Separated with mould.
The purpose of the present invention can also be achieved through the following technical solutions：
Further, described shear rod bottom is provided with a knuckle mouthful, knuckle mouthful with extrusion die entrance corresponding position
Upper end is provided with circular rotatable groove；Described shear knife is made up of rotating shaft, blade and blade, and described rotating shaft is located at blade upper end,
The size of rotating shaft is corresponding with circular rotatable groove, and described blade is located at the lower end of blade, shear knife is passed through rotating shaft and is arranged on circle
When on shape rotation slot, blade is relative to shaft swing.
Further, described shear rod centre position is provided with opening guide groove, and described suppresses remaining telescoping cylinder and charging ram
It is arranged in shear rod by opening guide groove, making to suppress remaining telescoping cylinder can drive charging ram to be moved up and down in opening guide groove.
Further, on the blade part it is thicker than lower part, by rotating shaft upper end blade to blade lower end blade by
Gradual change is thin, blade is formed sharp structure.
Further, the angle of shear of indent is formed between the shearing side of the blade and blade one side.
Further, described charging ram is square body structure, and charging ram lower end is provided with knuckle projection, the knuckle projection one
Side is provided with guiding surface, and the guiding surface upper end is corresponding with the plane of knuckle mouthful, when shearing shear knife, is led by guiding surface
To near extrusion die porch, when shearing finishes withdrawing, it is oriented to by guiding surface and leaves extrusion die porch, it is to avoid dragged
Knife.
Further, described return mechanism is made up of bolt and return spring, and described bolt is set through shear rod
Counter sink is fixed with shear knife, and the counter sink is fixed on the centre position of shear knife, and the counter sink is located at knuckle mouthful position,
Return spring is located in counter sink, shear knife is formed in the presence of bolt and return spring and sheared with automatic swing and return
Knife function.
Further, the angle of described knuckle mouthful is between 80 ° to 90 °.
The present invention has substantive distinguishing features following prominent and significant progress：
1st, shear knife of the present invention is provided with a return mechanism, and when the return mechanism shears cutting mechanism, shear knife is pressed close to
In extrusion die porch to down cut, after having sheared, shear knife leaves extrusion die entrance automatically, makes shear knife and extrusion die
Playbacked upwards after forming gap between tool entrance, therefore, when the present invention is applied, can completely avoid the shear knife withdrawing of shear
When (returning knife), shear surface can be dragged to, or be dragged to extrusion die, thus can effectively improve the flatness of the shear surface of extrudate,
Improve shear precision, it is to avoid damage extrusion die.
2nd, the present invention suppresses remaining mechanism in shear rod, and synchronous upper and lower displacement, and described remaining telescoping cylinder of suppressing exists
Shear rod forms the telescoping cylinder of secondary driving charging ram, make to suppress remaining mechanism charging ram after cutting mechanism completes shearing continue to
Under promoted, aluminium discard material is separated with shear knife or/mould, thus the present invention be capable of achieving secondary driving charging ram, to cut
The automatic extrusion die entrance that leaves proposes rational design when cutting knife returns knife, and application performance is stronger.
3rd, shear rod bottom of the present invention and extrusion die entrance corresponding position are provided with a knuckle mouthful, and knuckle mouthful upper end is provided with
Circular rotatable groove；Described shear knife is made up of rotating shaft, blade and blade, and described rotating shaft is located at blade upper end, rotating shaft it is big
Small corresponding with circular rotatable groove, described blade is located at the lower end of blade, shear knife is arranged on circular rotatable groove by rotating shaft
When upper, blade is relative to shaft swing.Therefore, the present invention in the application, shear knife can by rotating shaft quickly with circular rotatable groove
Coordinate and install or change, reduce replacing construction, and shear knife can be capable of achieving automatic swing at knuckle mouth, can be close to during shearing and squeezed
Compression mould entrance, can leave extrusion die entrance during withdrawing, it is ingenious, reasonable to design, and effectively improves the performance of shear knife.
4th, shear rod centre position of the present invention is provided with opening guide groove, and described suppresses remaining telescoping cylinder and charging ram by opening
Guide groove is arranged in shear rod, and making to suppress remaining telescoping cylinder can drive charging ram to be moved up and down in opening guide groove.Therefore, the opening is led
Groove not only rationally can carry out promotion and suppress mechanism using shear rod promotion, can also make charging ram preferably secondary in the guide groove of opening
Promote, the aluminium discard material after the extruded aluminium section on mould or shear knife is preferably separated.
5th, return mechanism of the invention is made up of bolt and return spring, and simple structure is easy for installation, and performance is strong.
Brief description of the drawings
Fig. 1 the structural representation of present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is shearing condition schematic diagram of the invention.
Fig. 4 is enlarged diagram at the A of Fig. 3.
Fig. 5 is withdrawing view of the invention.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Referring to figs. 1 to shear more than the aluminum section extruder novel pressure shown in Fig. 5, include cutting mechanism 1 and suppress
Mechanism 2, described cutting mechanism 1 is made up of shearing telescoping cylinder 11, shear rod 12 and shear knife 13, and described shear knife 13 swings
Installed in the bottom of shear rod 12, at the extrusion die entrance 3 of extruder, driving to move up and down by shearing telescoping cylinder 11 is carried out
Shearing, the shear knife 13 is provided with a return mechanism 5, and when the return mechanism 5 shears cutting mechanism 1, shear knife 13 is pressed close to
To down cut at extrusion die entrance 3, after having sheared, shear knife 13 leaves extrusion die entrance 3 automatically, makes shear knife 13 and squeezes
Playbacked upwards after forming gap 4 between compression mould entrance 3；Described suppresses mechanism 2 by suppressing remaining telescoping cylinder 21 and charging ram 22
Composition, described suppresses mechanism 2 in shear rod 12, and synchronous upper and lower displacement, and described remaining telescoping cylinder 21 of suppressing is being cut
Chipping 12 forms the telescoping cylinder of secondary driving charging ram 22, makes to suppress the charging ram 22 after cutting mechanism 1 completes shearing of remaining mechanism 2
Continuation is promoted downwards, and charge bar clout is separated with shear knife 13 or/and mould.
In embodiment, the described bottom of shear rod 12 is provided with a knuckle mouthful 14 with the corresponding position of extrusion die entrance 3, examines
Consider the stability of swing and the shearing of shear knife 13, the angle [alpha] of knuckle mouthful 14 between 80 ° to 90 °, in knuckle mouthful 14
Upper end is provided with and rotation slot 15 is provided with circular rotatable groove 15, i.e. knuckle；Described shear knife 13 is by rotating shaft 131, blade 132 and knife
Sword 133 is constituted, and described rotating shaft 131 is located at the upper end of blade 132, and the size of rotating shaft 131 is corresponding with circular rotatable groove 15, described
Blade 133 is located at the lower end of blade 132, shear knife 13 is arranged on when on circular rotatable groove 15 by rotating shaft 131, blade 133
Relative to the parallel swing of rotating shaft 131.Part is thicker than lower part on the blade 132, by the blade 132 of the upper end of rotating shaft 131 to knife
The blade 132 of the lower end of sword 132 is gradually thinning, blade 132 is formed sharp structure, the shearing side of the blade 133 and blade
The angle of shear 134 of indent is formed between 132 one sides.
Specifically, the described centre position of shear rod 12 is provided with opening guide groove 15, described suppresses remaining telescoping cylinder 21 and pushes away
Material bar 22 is arranged in shear rod 12 by opening guide groove 15, and making to suppress remaining telescoping cylinder 21 can drive charging ram 22 in opening guide groove
15 move up and down.Described charging ram 22 is square body structure, and the lower end of charging ram 22 is provided with knuckle projection 221, and the knuckle is raised
221 sides are provided with guiding surface 222, and the upper end of guiding surface 222 is corresponding with the plane 141 of knuckle mouthful 14, cuts shear knife 13
When cutting, it is oriented at extrusion die entrance 3 by guiding surface 222, when shearing finishes withdrawing, is led by guiding surface 222
To leaving at extrusion die entrance 3, it is to avoid drag knife.
Described return mechanism 5 is made up of bolt 51 and return spring 52, and the return mechanism 5 is used for automatic pulling shear knife
Extrusion die entrance 3 is left after having sheared, described bolt 51 sets counter sink 16 and consolidates with shear knife 13 through shear rod 12
It is fixed.The counter sink is fixed on the centre position of shear knife, and the counter sink 16 is located at 14 positions of knuckle mouthful, return spring 52
Sheared with automatic swing and return knife in counter sink 16, making shear knife 13 be formed in the presence of bolt 51 and return spring 52
Function.
When the present invention is applied, after section bar charge bar is squeezed into extrusion die by aluminum section extruder, then by cutter
The shearing telescoping cylinder 11 of structure 1 drives shear rod 12, shear rod 12 to promote shear knife 13, shear knife 13 suppressing the setting of mechanism 2
Under the guiding surface 222 of knuckle projection 221 is acted on, shear knife 13 prolongs that to press close to extrusion die entrance 3 at extrusion die entrance 3 downward
The clout of charge bar after shear extrusion, synchronously moves down while driving and suppressing mechanism 2, after shear knife 13 has been sheared, stamper
Structure 2 start suppresses remaining telescoping cylinder 21 drive charging ram 22, make charging ram 22 carry out it is secondary push down on to evade be bonded in shear knife
13 or/and die entrance 3 at charge bar clout；
Carried out more than the secondary charge bar for pushing down on and evading and be bonded at shear knife 13 or/and die entrance 3 in charging ram 22
During material, because the lower end of charging ram 22 is provided with knuckle projection 221,221 sides of knuckle projection are provided with guiding surface 222, and the guiding is oblique
The upper end of face 222 is corresponding with the plane 141 of knuckle mouthful 14, and when shearing is finished withdrawing, guiding surface 222 carries out two in charging ram 22
It is secondary push down on after, become larger gap between guiding surface 222 and extrusion die entrance 3, now shear knife 13 is in return
In the presence of the bolt 51 and return spring 52 of mechanism 5, extrusion die entrance 3 is gradually left on guiding surface 222, make shearing
Playbacked upwards after forming gap 4 between knife 13 and extrusion die entrance 3, i.e., shear knife 13 is repositioned to the plane 141 of knuckle mouthful 14,
And prolong guiding surface 222 and be oriented to and leave at extrusion die entrance 3, when thus avoiding shear knife withdrawing (return to knife) of shear,
The tangent plane of shearing section bar is dragged to, or is dragged to extrusion die, and then improve the flatness of the shear surface of extrudate, improve shearing essence
Degree, it is to avoid damage extrusion die.
After 13 withdrawing return of shear knife, suppress the startup retraction of mechanism 2 and suppress the pulling of remaining telescoping cylinder 21 charging ram 22 2 times
Return, in return, guiding surface 222 is by shear knife for the guiding surface 222 of the knuckle projection 221 of the described lower end of charging ram 22
13 extruding promotions are returned to shearing condition, i.e., near the clipped position of extrusion die entrance 3, wait is sheared next time.
Claims (8)
1. shear more than aluminum section extruder novel pressure, includes cutting mechanism (1) and suppresses mechanism (2), it is characterized in that：
Described cutting mechanism (1) is made up of shearing telescoping cylinder (11), shear rod (12) and shear knife (13), described shear knife
(13) swing and be arranged on shear rod (12) bottom, positioned at extrusion die entrance (3) place of extruder, driven by shearing telescoping cylinder (11)
Dynamic moving up and down is sheared, and the shear knife (13) is provided with a return mechanism (5), and the return mechanism (5) makes cutting mechanism (1)
During shearing, shear knife (13) is pressed close at extrusion die entrance (3) place to down cut, and after having sheared, shear knife (13) leaves automatically
Extrusion die entrance (3), makes to form gap (4) playback upwards afterwards between shear knife (13) and extrusion die entrance (3)；
The described mechanism (2) that suppresses is constituted by suppressing remaining telescoping cylinder (21) and charging ram (22), and described suppresses remaining mechanism (2) peace
In shear rod (12), and synchronous upper and lower displacement, described suppresses remaining telescoping cylinder (21) in shear rod (12) the secondary drive of formation
The telescoping cylinder of dynamic charging ram (22), makes to suppress remaining mechanism (2) charging ram (22) continuation after cutting mechanism (1) completes shearing discard
Promoted downwards, charge bar clout is separated with shear knife (13) or/and mould.
2. shear more than aluminum section extruder novel pressure according to claim 1, it is characterized in that：Described shear rod
(12) bottom is provided with a knuckle mouthful (14) with extrusion die entrance (3) corresponding position, and knuckle mouthful (14) upper end is provided with circular turning
Dynamic groove (15)；Described shear knife (13) is made up of rotating shaft (131), blade (132) and blade (133), described rotating shaft (131)
Blade (132) upper end is located at, the size of rotating shaft (131) is corresponding with circular rotatable groove (15), and described blade (133) is located at blade
(132) lower end, when making shear knife (13) by rotating shaft (131) on circular rotatable groove (15), blade (133) relative to
Rotating shaft (131) parallel swing.
3. shear more than aluminum section extruder novel pressure according to claim 1 and 2, it is characterized in that：Described shearing
Bar (12) centre position is provided with opening guide groove (15), and described suppresses remaining telescoping cylinder (21) and charging ram (22) by opening guide groove
(15) in shear rod (12), making to suppress remaining telescoping cylinder (21) can drive charging ram (22) to be moved down on opening guide groove (15)
It is dynamic.
4. shear more than aluminum section extruder novel pressure according to claim 2, it is characterized in that：The blade (132)
Upper part is thicker than lower part, is gradually become by blade (132) to the blade (132) of blade (132) lower end of rotating shaft (131) upper end
It is thin, blade (132) is formed sharp structure.
5. shear more than aluminum section extruder novel pressure according to claim 2, it is characterized in that：The blade (133)
Shearing side and blade (132) one side between formed indent the angle of shear (134).
6. shear more than aluminum section extruder novel pressure according to claim 2, it is characterized in that：Described charging ram
(22) it is square body structure, charging ram (22) lower end is provided with knuckle projection (221), knuckle projection (221) side is provided with guiding
Inclined-plane (222), guiding surface (222) upper end is corresponding with the plane (141) of knuckle mouthful (14), when shearing shear knife (13),
It is oriented near extrusion die entrance (3) place by guiding surface (222), when shearing finishes withdrawing, is led by guiding surface (222)
To leaving extrusion die entrance (3) place, it is to avoid drag knife.
7. shear more than aluminum section extruder novel pressure according to claim 5, it is characterized in that：Described return mechanism
(5) be made up of bolt (51) and return spring (52), described bolt (51) through shear rod (12) set counter sink (16) with
Shear knife (13) is fixed, and at knuckle mouthful (14) position, return spring (52) is positioned at counter sink (16) for the counter sink (16)
It is interior, shear knife (13) is formed in the presence of bolt (51) and return spring (52) and sheared with automatic swing and return slicing technique
Energy.
8. shear more than aluminum section extruder novel pressure according to claim 2, it is characterized in that：Described knuckle mouthful
(14) angle is between 80 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261297.0A CN106881370B (en) | 2017-04-20 | 2017-04-20 | Shear more than aluminum section extruder novel pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710261297.0A CN106881370B (en) | 2017-04-20 | 2017-04-20 | Shear more than aluminum section extruder novel pressure |
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| CN106881370A true CN106881370A (en) | 2017-06-23 |
| CN106881370B CN106881370B (en) | 2018-10-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500126A (en) * | 2018-11-15 | 2019-03-22 | 佛山市南海华南锻造金属结构有限公司 | A kind of extruder equipped with shear knife cleaning mechanism |
| CN110914003A (en) * | 2017-08-08 | 2020-03-24 | 宇部兴产机械株式会社 | Shearing device of extruding machine |
| CN113102535A (en) * | 2021-04-12 | 2021-07-13 | 烟台大学 | Aluminum profile extrusion equipment |
| CN113102539A (en) * | 2021-04-12 | 2021-07-13 | 烟台大学 | A incomplete material resection device for non-plane aluminium alloy extrusion die |
| WO2023226278A1 (en) * | 2022-05-23 | 2023-11-30 | 佛山市恒力泰机械有限公司 | Swingable residual shear |
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| JPH07178447A (en) * | 1993-12-24 | 1995-07-18 | Ube Ind Ltd | Discard cutting device of extrusion press |
| CN2858088Y (en) * | 2005-11-23 | 2007-01-17 | 广州文冲船厂有限责任公司 | Extruder beat-remainder scissors device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110914003A (en) * | 2017-08-08 | 2020-03-24 | 宇部兴产机械株式会社 | Shearing device of extruding machine |
| CN110914003B (en) * | 2017-08-08 | 2021-09-14 | 宇部兴产机械株式会社 | Shearing device of extruding machine |
| CN109500126A (en) * | 2018-11-15 | 2019-03-22 | 佛山市南海华南锻造金属结构有限公司 | A kind of extruder equipped with shear knife cleaning mechanism |
| CN113102535A (en) * | 2021-04-12 | 2021-07-13 | 烟台大学 | Aluminum profile extrusion equipment |
| CN113102539A (en) * | 2021-04-12 | 2021-07-13 | 烟台大学 | A incomplete material resection device for non-plane aluminium alloy extrusion die |
| WO2023226278A1 (en) * | 2022-05-23 | 2023-11-30 | 佛山市恒力泰机械有限公司 | Swingable residual shear |
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|---|---|
| CN106881370B (en) | 2018-10-16 |
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Effective date of registration: 20220620 Address after: 528225 14 Beiyuan Middle Road, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN NANHAI MINGSHENG MACHINE MANUFACTURE Co.,Ltd. Address before: Guangdong Province, Guangzhou City, Dali Town, Nanhai District of Huangqi East Village 5 lane 14 Patentee before: Liang Runming |
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