CN112317565B - Rotatable self-adaptive support device for straightening machine - Google Patents
Rotatable self-adaptive support device for straightening machine Download PDFInfo
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- CN112317565B CN112317565B CN202011211021.XA CN202011211021A CN112317565B CN 112317565 B CN112317565 B CN 112317565B CN 202011211021 A CN202011211021 A CN 202011211021A CN 112317565 B CN112317565 B CN 112317565B
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
Abstract
The invention discloses a rotatable self-adaptive support device for a straightening machine. The invention comprises two rotatable self-adaptive supporting mechanisms, wherein the upper part of a fixed component in a single rotatable self-adaptive supporting mechanism is provided with an arc groove, the lower part of a rotating component is provided with an arc surface, the arc groove is matched with the arc surface, and the arc surface of the rotating component is rotatably arranged in the arc groove of the fixed component; two rotatable self-adaptation supporting mechanism install respectively in the lower part of treating the alignment work piece both ends, treat that the centre top of alignment work piece is provided with the pressure head, and when the pressure head down pushed down, the both ends perk of treating the alignment work piece warp, and the arc surface of rotating assembly produces under the arc groove of fixed subassembly supports and follows the slip rotation of circular arc for the up end of rotating assembly still pastes the lower surface of treating the alignment work piece. The invention ensures that the supporting seat is fully attached to the surface of the workpiece and bears heavy load, ensures that the theoretical supporting position of the workpiece always keeps the same height, and the supporting mechanism can automatically return after the loading is finished.
Description
Technical Field
The invention relates to a supporting device for a straightening machine, in particular to a rotatable self-adaptive supporting device for the straightening machine.
Background
Shaft parts are widely applied in the mechanical industry. However, in the manufacturing process of the shaft parts, bending of the shaft parts is inevitably caused in the processes of processing, heat treatment, assembly and the like. In order to guarantee the precision of the parts (straightness, round jump), the parts must be straightened.
During the alignment process. Generally, two ends of the workpiece are supported by two supporting mechanisms, and a pressure mechanism is adopted in the middle of the workpiece to press the workpiece down, so that the workpiece is subjected to pressure straightening. The existing supporting mechanism is basically a fixed supporting seat, in the straightening process, when an intermediate pressure head is pressed down, two ends of a shaft inevitably tilt, so that the workpiece and the supporting seat are in surface contact, line contact is achieved, even point contact is achieved, the workpiece is pressed to be scratched, and even the workpiece is partially crushed, so that the workpiece is directly scrapped. In the patent document CN201721916497.7, a rotatable floating support mechanism is provided, however, firstly, this inevitably uses a central axle pin or a bearing to transit the pressure borne by the support seat, which results in that the pressure borne by the support seat is limited and cannot bear the load with larger straightening tonnage. Secondly, use the floating support seat, axle type work piece height must be higher than the height of supporting seat rotation center, leads to the support height of work piece to produce great change at rotatory in-process, leads to the load capacity to control not well.
Disclosure of Invention
In order to solve the needs and problems in the background art, the invention provides a rotatable self-adaptive support device for a straightening machine, and designs a support mechanism which can ensure that the support mechanism is fully attached to a workpiece during loading, can bear larger load and is easy to control the loading amount.
The technical scheme adopted by the invention is as follows:
the invention comprises two rotatable self-adaptive supporting mechanisms, wherein each rotatable self-adaptive supporting mechanism comprises a fixed component and a rotating component, the upper part of the fixed component is provided with an arc groove, the lower part of the rotating component is provided with an arc surface, the arc groove is matched with the arc surface, and the arc surface of the rotating component is rotatably arranged in the arc groove of the fixed component;
two rotatable self-adaptation supporting mechanism install respectively in the lower part of treating the alignment work piece both ends, treat that the centre top of alignment work piece is provided with the pressure head, and when the pressure head down pushed down, the both ends perk of treating the alignment work piece warp, and the arc surface of rotating assembly produces under the arc groove of fixed subassembly supports and follows the slip rotation of circular arc for the up end of rotating assembly still pastes the lower surface of treating the alignment work piece.
The fixing component comprises a supporting base, an arc supporting base and an arc transition block limiting block; an arc supporting seat base is fixedly installed at the upper end of the supporting base, an arc groove is formed in the upper end face of the arc supporting seat base, and arc transition block limiting blocks are installed on the side faces, provided with two arc shapes, of the arc supporting seat base;
the rotating assembly comprises an arc transition block, a workpiece supporting and supporting block and a workpiece supporting and supporting cushion block; the arc transition block is arc-shaped, the lower end face of the arc transition block is installed in the arc groove, the upper end face of the arc transition block is a plane, a workpiece supporting block is fixedly installed on the upper end face of the arc transition block through a second cylindrical pin, a groove is formed in the middle of the workpiece supporting block, a workpiece supporting cushion block is arranged on the upper end face of the workpiece supporting block, and the lower surface of the workpiece supporting cushion block is attached to the groove.
The arc transition block limiting block is provided with an arc guide rail groove, the bottoms of two arc end faces of the arc transition block are respectively provided with a convex first cylindrical pin, and the first cylindrical pins are embedded into the arc guide rail groove.
The groove of the workpiece supporting block is a V-shaped groove or an arc-shaped groove, the bottom surface of the corresponding workpiece supporting cushion block is V-shaped or arc-shaped, so that the workpiece supporting block and the workpiece supporting cushion block are in V-shaped or arc-shaped guide fit, and the axial direction of the V-shaped or arc-shaped guide fit is vertical to the axial direction of the arc groove of the arc supporting seat base; and a plurality of screws are arranged at the edge positions of two ends of the workpiece supporting cushion block along the axial direction of the workpiece to be straightened.
And a lubricant is arranged between the arc transition block and the arc support base.
Circular arc transition piece and circular arc transition piece stopper between be equipped with sealed the pad, sealed pad is circular-arc, sealed pad is fixed on circular arc transition piece stopper medial surface and sealed last cambered surface of filling up is less than the cambered surface of circular arc transition piece stopper.
The theoretical supporting point of the workpiece to be straightened and the rotation center of the rotatable self-adaptive supporting mechanism are at the same height.
The bottom of the arc supporting seat base is provided with a kidney-shaped groove, and the supporting base and the arc supporting seat base are fixedly connected through the kidney-shaped groove.
The bottom of the arc transition block is provided with a strip-shaped groove.
The invention has the beneficial effects that:
the supporting surface can rotate along with the stressed bending of the shaft type workpiece, and the full fit between the supporting seat and the surface of the workpiece is ensured.
The rotary support of the invention adopts the direct contact and matching of two arc surfaces, and can bear heavy load.
The invention can set the central axis of the shaft workpiece or the supporting point at the bottom of the workpiece or the horizontal highest point of the workpiece to be equal to the arc rotation center, ensures that the theoretical supporting position of the workpiece always keeps the same height, and is easy to control the loading capacity (loading stroke).
The V-shaped supporting block or the circular arc-shaped supporting block is fixed by the cylindrical pin, so that the supporting block is quickly replaced;
the mass center of the rotating component B0 is arranged below the rotating center, and the supporting mechanism can automatically return after the loading is finished.
Drawings
FIG. 1 is a diagrammatic alignment loading.
Fig. 2 is a schematic overall appearance of the present invention.
Fig. 3 is an overall exploded view of the present invention.
Fig. 4 is an overall assembly view of the present invention.
In the figure: 1: a rotatable adaptive support mechanism; 2: a workpiece; 3: a pressure head; a0: fixed component, A1: supporting base, A2: circular arc supporting seat base, A3: a circular arc transition block limiting block A4 is a sealing gasket; b0: rotating assembly, B1: arc transition block, B2: workpiece support pallet, B3: workpiece supporting cushion block, B4: first cylindrical pin, B5: and a second cylindrical pin.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, the present invention includes two rotatable self-adapting support mechanisms 1, each rotatable self-adapting support mechanism 1 includes a fixed component A0 and a rotating component B0, an arc groove is provided on the upper portion of the fixed component A0, the lower portion of the rotating component B0 is an arc surface, the arc groove is matched with the arc surface, the arc surface of the rotating component B0 is rotatably installed in the arc groove of the fixed component A0;
two rotatable self-adaptation supporting mechanism 1 are installed respectively in the lower part of treating alignment work piece 2 both ends, treat that the centre top of alignment work piece 2 is provided with pressure head 3, and when pressure head 3 down pushed down, treat the both ends perk deformation of alignment work piece 2, the arc surface of rotating component B0 produces the slip rotation along the circular arc under the arc groove of fixed subassembly A0 supports for the up end of rotating component B0 still pastes the lower surface of treating alignment work piece 2 tightly.
As shown in fig. 2 to 4, the fixing assembly A0 includes a supporting base A1, an arc supporting base A2, and an arc transition block limiting block A3; an arc supporting seat base A2 is fixedly mounted at the upper end of the supporting base A1, an arc groove is formed in the upper end face of the arc supporting seat base A2, and arc transition block limiting blocks A3 are mounted on the two arc-shaped side faces of the arc supporting seat base A2 to limit the axial position of an arc transition block B1;
the rotating assembly B0 comprises an arc transition block B1, a workpiece supporting and supporting block B2 and a workpiece supporting and supporting cushion block B3; the arc transition block B1 is arc-shaped, the lower end face of the arc transition block B1 is installed in an arc groove, the upper end face of the arc transition block B1 is a plane, a workpiece supporting pad B2 is fixedly installed on the upper end face of the arc transition block B1 through a second cylindrical pin B5, a groove is formed in the middle of the workpiece supporting pad B2, a workpiece supporting pad B3 is arranged on the upper end face of the workpiece supporting pad B2, fixing is not needed, the lower surface of the workpiece supporting pad B3 is attached to the groove, and the size of the workpiece supporting pad B3 can be adjusted according to different sizes of workpieces to be aligned 2.
Circular arc transition piece stopper A3 is last to have seted up the circular arc guide rail groove, and circular arc transition piece B1 respectively installs and is provided with a convex first cylindric lock B4 in circular-arc two terminal surface bottoms, and first cylindric lock B4 imbeds in the circular arc guide rail groove, and when rotating assembly B0 slides rotatoryly, first cylindric lock B4 moves along the circular arc guide rail groove for the biggest rotation angle of restriction circular arc transition piece B1 avoids circular arc transition piece B1 to deviate from the mechanism because of the corner is too big.
The groove of the workpiece supporting block B2 is a V-shaped groove or an arc-shaped groove, and the bottom surface of the corresponding workpiece supporting cushion block B3 is V-shaped or arc-shaped, so that the workpiece supporting block B2 and the workpiece supporting cushion block B3 are in V-shaped or arc-shaped guide fit, and the axial direction of the V-shaped or arc-shaped guide fit is vertical to the axial direction of the arc-shaped groove of the arc-shaped supporting seat base A2; the separation of the workpiece supporting cushion block B3 from the workpiece 2 to be straightened is avoided during the operation, and the workpiece supporting cushion block B3 is provided with a plurality of screws along the edge positions of the two ends of the axial direction of the workpiece 2 to be straightened, so that the workpiece 2 to be straightened is prevented from falling off, and the limiting effect is achieved.
And a lubricant is arranged between the arc transition block B1 and the arc supporting seat base A2. Be equipped with sealed pad A4 between circular arc transition piece B1 and the circular arc transition piece stopper A3, sealed pad A4 is circular-arc, and sealed pad A4 is fixed on circular arc transition piece stopper A3 medial surface and sealed the last cambered surface of pad A4 is less than circular arc transition piece stopper A3's cambered surface, and rubber can be chooseed for use to sealed pad A4 material, avoids the emollient of cooperation circular arc face to spill, plays sealed effect. Circular arc supporting seat base A2 bottom is equipped with the kidney slot, supports base A1 and circular arc supporting seat base A2 and passes through kidney slot fixed connection, realizes the horizontal adjustment mounted position. The bottom of the arc transition block B1 is provided with a strip-shaped groove.
The theoretical supporting point of the workpiece 2 to be straightened and the rotation center of the rotatable self-adaptive supporting mechanism are at the same height, so that the height of the theoretical supporting position is not changed by the rotation of the supporting point of the workpiece when loading is carried out, and the loading amount is easy to control.
The first embodiment is as follows:
the groove of the workpiece supporting block B2 is a V-shaped groove, the bottom surface of the corresponding workpiece supporting cushion block B3 is V-shaped, so that the workpiece supporting block B2 and the workpiece supporting cushion block B3 are in V-shaped guiding fit, and the axial direction of the V-shape is vertical to the axial direction of the arc groove of the arc supporting seat base A2; the separation of the workpiece supporting cushion block B3 from the workpiece 2 to be straightened is avoided during the operation, and a plurality of screws are arranged at the edge positions of the two ends of the workpiece supporting cushion block B3 along the axial direction of the workpiece 2 to be straightened so as to play a role in limiting.
The two V-shaped extending parts of the workpiece supporting cushion block B3 can be formed by combining two trapezoidal thin plates, the inclined edges of the trapezoidal thin plates are contact surfaces of the two plates, and the two trapezoidal thin plates form a V-shaped supporting structure so as to adapt to shaft workpieces with different sizes. The material of the workpiece supporting cushion block B3 is preferably copper because the hardness of copper is low, and the lower surface of the workpiece 2 to be straightened is prevented from being damaged during loading. The central height and the contact area of the workpiece 2 to be straightened can be effectively adjusted by adjusting the length, the width and the thickness of the workpiece supporting cushion block B3, so that the height of a central axis of the workpiece 2 to be straightened or the height of a bottom supporting point of the workpiece 2 to be straightened or the height of the horizontal highest point of the workpiece 2 to be straightened and the height of a circular arc rotation center are ensured, and the stress concentration of the workpiece 2 to be straightened is reduced. Ensuring that the supporting position of the workpiece 2 to be straightened coincides with the arc rotation center can also be realized by adjusting other parts of the rotating assembly B0, such as adjusting the heights of the workpiece supporting support block B2 and the arc transition block B1, and preferably adjusting the workpiece supporting cushion block B3, so as to reduce the model changing cost.
Example two: the groove of the workpiece supporting block B2 is an arc-shaped groove, the bottom surface of the corresponding workpiece supporting cushion block B3 is arc-shaped, the height of the workpiece supporting block B2 and the inner diameter of the arc are designed to adapt to different sizes of the workpiece 2 to be straightened, and the rotating center of the rotating component B0 and the central axis of the workpiece 2 to be straightened are ensured to be at the same height. Further ensuring that the height of the theoretical supporting position is unchanged when the workpiece 2 to be straightened rotates, and further easily controlling the loading capacity.
Claims (5)
1. A rotatable self-adaptive support device for a straightening machine is characterized in that: the self-adaptive support device comprises two rotatable self-adaptive support mechanisms (1), wherein each rotatable self-adaptive support mechanism (1) comprises a fixed component (A0) and a rotating component (B0), the upper part of each fixed component (A0) is provided with an arc groove, the lower part of each rotating component (B0) is provided with an arc surface, the arc grooves are matched with the arc surfaces, and the arc surfaces of the rotating components (B0) are rotatably arranged in the arc grooves of the fixed components (A0);
the two rotatable self-adaptive supporting mechanisms (1) are respectively arranged at the lower parts of the two ends of the workpiece (2) to be straightened, a pressure head (3) is arranged above the middle of the workpiece (2) to be straightened, when the pressure head (3) is pressed downwards, the two ends of the workpiece (2) to be straightened are tilted and deformed, and the arc surface of the rotating component (B0) is supported by the arc groove of the fixed component (A0) to generate sliding rotation along an arc, so that the upper end surface of the rotating component (B0) is still attached to the lower surface of the workpiece (2) to be straightened;
the theoretical supporting point of the workpiece (2) to be straightened and the rotation center of the rotatable self-adaptive supporting mechanism are at the same height;
the fixing component (A0) comprises a supporting base (A1), an arc supporting base (A2) and an arc transition block limiting block (A3); an arc supporting seat base (A2) is fixedly mounted at the upper end of the supporting base (A1), an arc groove is formed in the upper end face of the arc supporting seat base (A2), and arc transition block limiting blocks (A3) are mounted on the side faces, provided with two arc shapes, of the arc supporting seat base (A2);
the rotating assembly (B0) comprises an arc transition block (B1), a workpiece supporting and supporting block (B2) and a workpiece supporting and supporting cushion block (B3); the arc transition block (B1) is arc-shaped, the lower end face of the arc transition block (B1) is installed in an arc groove, a workpiece supporting block (B2) is fixedly installed on the upper end face of the arc transition block (B1), a groove is formed in the middle of the workpiece supporting block (B2), a workpiece supporting cushion block (B3) is arranged on the upper end face of the workpiece supporting block (B2), and the lower surface of the workpiece supporting cushion block (B3) is attached to the groove.
2. A rotatable adaptive support device for a straightening machine according to claim 1, characterized in that: the arc transition block limiting block (A3) is provided with an arc guide rail groove, the arc transition block (B1) is provided with a first convex cylindrical pin (B4) at the bottom of each of the two arc end faces, and the first cylindrical pin (B4) is embedded into the arc guide rail groove.
3. A rotatable adaptive support device for a straightening machine according to claim 1, characterized in that: the groove of the workpiece supporting block (B2) is a V-shaped groove or an arc-shaped groove, and the bottom surface of the corresponding workpiece supporting cushion block (B3) is V-shaped or arc-shaped; a plurality of screws are arranged at the edge positions of two ends of the workpiece supporting cushion block (B3) along the axial direction of the workpiece (2) to be straightened.
4. A rotatable adaptive support device for a straightening machine according to claim 1, characterized in that: and a lubricant is arranged between the arc transition block (B1) and the arc supporting seat base (A2).
5. A rotatable adaptive support device for a straightening machine according to claim 1, characterized in that: circular arc transition piece (B1) and circular arc transition piece stopper (A3) between be equipped with sealed pad (A4), sealed pad (A4) is circular-arcly, sealed pad (A4) is fixed on circular arc transition piece stopper (A3) medial surface and the last cambered surface that seals pad (A4) is less than the cambered surface of circular arc transition piece stopper (A3).
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| CN202011211021.XA CN112317565B (en) | 2020-11-03 | 2020-11-03 | Rotatable self-adaptive support device for straightening machine |
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| CN202011211021.XA CN112317565B (en) | 2020-11-03 | 2020-11-03 | Rotatable self-adaptive support device for straightening machine |
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| CN112317565A CN112317565A (en) | 2021-02-05 |
| CN112317565B true CN112317565B (en) | 2022-10-11 |
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| CN114472610B (en) * | 2022-02-11 | 2023-03-24 | 武汉理工大学 | Linear guide rail pressure straightening device with pressure point reverse support |
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| SU1738418A1 (en) * | 1989-04-11 | 1992-06-07 | Всесоюзный научно-исследовательский и конструкторско-технологический институт трубной промышленности | Pipe-straightening tool |
| RU2219008C2 (en) * | 2001-08-09 | 2003-12-20 | Открытое акционерное общество "УралЛУКтрубмаш" | Straightening press |
| CN2549180Y (en) * | 2002-06-28 | 2003-05-07 | 上海汽轮机有限公司 | Drum support with spherical seat for steam turbine rotor |
| CN100348342C (en) * | 2004-10-29 | 2007-11-14 | 天津市天锻压力机有限公司 | Large-scale digit-controlled hydraulic pressure straightener main frame |
| JP2013212528A (en) * | 2012-04-03 | 2013-10-17 | Jtekt Corp | Apparatus for straightening bend of shaft member |
| CN103292121B (en) * | 2013-05-31 | 2015-08-19 | 张家港市伟业机械制造有限公司 | Spherical roller frame special for dummy shaft |
| CN105268835A (en) * | 2014-06-16 | 2016-01-27 | 李诤 | Three-segment type arc support swing-along-shape bend pipe lower die |
| CN204666171U (en) * | 2015-05-05 | 2015-09-23 | 沈阳理工大学 | A kind of Novel all-angle adjustment platform |
| CN207509057U (en) * | 2017-07-31 | 2018-06-19 | 成都飞机工业（集团）有限责任公司 | A kind of flexible holding device for bench vice |
| CN207971232U (en) * | 2017-12-31 | 2018-10-16 | 博世华域转向系统（烟台）有限公司 | A kind of floating type support element applied to aligning axis part process |
| CN108687554A (en) * | 2018-07-24 | 2018-10-23 | 内蒙古第机械集团股份有限公司 | A kind of adaptive V-type support device |
| CN208614261U (en) * | 2018-08-21 | 2019-03-19 | 二重（德阳）重型装备有限公司 | A kind of self-positioning heavy support bricklayer dress |
| CN110927914A (en) * | 2018-09-19 | 2020-03-27 | 长春奥普光电技术股份有限公司 | Pitching mechanism of optical lens |
| CN209230570U (en) * | 2019-01-10 | 2019-08-09 | 深圳市玉沣科技有限公司 | A kind of Self-aligning heavy duty plane adjustment mechanism |
| CN211464393U (en) * | 2019-12-28 | 2020-09-11 | 江苏亚盛新材料科技有限公司 | Novel round bar right-angle clip bending device |
| CN213887665U (en) * | 2020-11-03 | 2021-08-06 | 杭州集智机电股份有限公司 | Rotatable self-adaptive supporting device for straightening machine |
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