CN114453473B - High-efficient turn-ups pressure head - Google Patents
High-efficient turn-ups pressure head Download PDFInfo
- Publication number
- CN114453473B CN114453473B CN202210047000.1A CN202210047000A CN114453473B CN 114453473 B CN114453473 B CN 114453473B CN 202210047000 A CN202210047000 A CN 202210047000A CN 114453473 B CN114453473 B CN 114453473B
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- straight line
- line segment
- included angle
- workpiece
- press
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/12—Edge-curling
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a high-efficiency flanging press head, wherein the lower profile of the vertical section of the high-efficiency flanging press head is a simple fold line, the simple fold line is formed by sequentially connecting a plurality of straight line segments which are not on the same straight line end to end, and the round corners at all intersection points of the simple fold line are treated; the first straight line section and the fifth straight line section in the simple folding line are a group of horizontal lines, and the first straight line section is positioned below the fifth straight line section, so that a height difference is formed, and the height difference corresponds to the material thickness of the first workpiece; the second straight line segment and the third straight line segment are raised upwards, and the fourth straight line segment is lowered downwards to form a peak. When the press machine drives the high-efficiency flanging press head to move downwards, the stress point of the first workpiece to be flanged moves along the simple folding line, the angles of all sections of the simple folding line are continuously changed along with the deformation of the workpiece, and finally the forming flanging is finished at one time. The pressure angle between the stress direction and the movement direction of the first workpiece is always controlled within a certain range, so that the phenomenon of damaging the workpiece due to clamping stagnation in the press mounting process is avoided, and the press mounting efficiency is improved.
Description
Technical Field
The invention relates to workpiece flanging connection press fitting, in particular to a high-efficiency flanging press head.
Background
In the production and manufacturing process, the situation that two workpieces are connected and pressed by flanging is often encountered, as shown in fig. 1: and the first workpiece 2 passes through the second workpiece 3 and is then flanging and molded.
This assembly is difficult to press into place once with only presses, typically using two forms, as shown in fig. 2: the flange is firstly turned into 45 degrees through the inclined pressure head 4, and then turned into 90 degrees through the flat pressure head 5. The press-fitting efficiency is low, and the production efficiency can only be improved by increasing the number of equipment in actual production.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention particularly provides a high-efficiency flanging press head which can realize that a workpiece I and a workpiece II can be pressed in place through one-step forming flanging.
For this purpose, the technical scheme of the invention is as follows: the utility model provides a high-efficient turn-ups pressure head, high-efficient turn-ups pressure head upper end be connected with the slider of press to slide from top to bottom along with the slider, treat that press-fit's work piece one and work piece two fix on the workstation of press after assembling, and be located high-efficient turn-ups pressure head below, its characterized in that: the lower profile of the vertical section of the efficient flanging press head is a simple fold line, the simple fold line is formed by sequentially connecting a plurality of straight line segments which are not on the same straight line end to end, and the fillet treatment is carried out at each intersection point of the simple fold line;
When the press machine drives the high-efficiency flanging press head to move downwards, the stress point of the workpiece I to be flanged moves along the simple folding line, the angles of all the sections of the simple folding line are continuously changed along with the deformation of the workpiece I, and finally the forming flanging is finished once.
The further improvement is that: the simple folding line comprises five straight line segments, wherein the first straight line segment and the fifth straight line segment are a group of horizontal lines, and the first straight line segment is positioned below the fifth straight line segment, so that a height difference is formed, and the height difference corresponds to the thickness of the first workpiece.
The second straight line segment and the third straight line segment are raised upwards, and the fourth straight line segment is lowered downwards to form a peak.
The further improvement is that: and the intersection point of the second straight line segment and the third straight line segment is collinear with the fifth straight line segment.
The further improvement is that: the third straight line segment is equal in length to the fourth straight line segment.
The further improvement is that: the smooth circular arc between the first straight line segment and the second straight line segment is a first circular arc;
the smooth circular arc between the second straight line segment and the third straight line segment is a second circular arc;
The smooth circular arc between the third straight line segment and the fourth straight line segment is a third circular arc;
the smooth circular arc between the fourth straight line segment and the fifth straight line segment is a fourth circular arc;
The radii of the first arc, the second arc, the third arc and the fourth arc gradually decrease in sequence.
The further improvement is that: the included angle between the first straight line segment and the second straight line segment is a first included angle;
the included angle between the second straight line segment and the third straight line segment is a second included angle;
the included angle between the third straight line segment and the fourth straight line segment is a third included angle;
the included angle between the fourth straight line segment and the fifth straight line segment is a fourth included angle;
The first included angle, the second included angle, the third included angle and the fourth included angle are obtuse angles, the second included angle is larger than the first included angle, and the fourth included angle is larger than the third included angle.
The further improvement is that: the stress point of the first workpiece is firstly propped against the middle position of the first circular arc.
The further improvement is that: the height difference is equal to the thickness of the first workpiece.
The further improvement is that: the length of the fifth straight line segment is greater than that of the first straight line segment.
The further improvement is that: the high-efficiency flanging press head is in mirror image position on a workbench of the press, and the upper ends of the workpiece I and the workpiece II which are correspondingly pressed are connected with a slide block of the press after being assembled and slide up and down along with the slide block.
The beneficial effects are that:
When the press machine drives the novel press head to move downwards, the stress point of the first workpiece moves along the simple folding line along with the deformation of the workpiece and the continuous change of angles of each section of the simple folding line, and finally the forming flanging is finished once; the reasonable linear design ensures that the pressure angle between the stress direction and the movement direction of the first workpiece is always controlled within a certain range, so that the phenomenon of damaging the workpiece due to clamping stagnation in the press mounting process can be avoided.
And the high-efficiency flanging press head is subjected to mirror image, so that the high-efficiency flanging press head is positioned on a workbench of the press machine, the upper ends of the workpiece I and the workpiece II which are correspondingly pressed are connected with a slide block of the press machine after being assembled, and the workpiece I and the workpiece II slide downwards along with the slide block, and one-step forming flanging can be realized, namely the press assembly is completed.
The press head for the one-time forming flanging can realize that two pieces are connected and pressed in place through the one-time forming flanging, and the press mounting efficiency is greatly improved.
Drawings
Fig. 1 is a cross-sectional view of a workpiece after being press-fitted into place.
Fig. 2 is a cross-sectional view of a work press-fitting process in the background art.
Fig. 3 is a cross-sectional view of the press-fitting process of the workpiece in the present invention.
FIG. 4 is a cross-sectional view of a high efficiency flanging press in accordance with the present invention.
Illustration mark:
1-simple folding lines; 11-a first straight line segment; 111-a first arc; 112-a first included angle;
12-a second straight line segment; 121-a second arc; 122-a second included angle;
13-a third straight line segment; 131-a third arc; 132-a third included angle;
14-fourth straight line segment, 141-fourth circular arc; 142-fourth included angle; 15-a fifth straight line segment;
2-a first workpiece; 21-stress points; 3-a second workpiece; 4-inclined pressure heads; and the 5-flat pressing head and the 6 are high-efficiency flanging pressing heads 6.
Detailed Description
The technical scheme and the beneficial effects of the invention are more clear and definite by further describing the specific embodiments of the invention with reference to the accompanying drawings 1-4 in the specification.
Embodiment one:
the upper end of the efficient flanging press head 6 is connected with a slide block of the press and slides up and down along with the slide block, a workpiece I2 and a workpiece II 3 to be pressed are fixed on a workbench of the press after being assembled and positioned below the efficient flanging press head 6, the lower outline of the vertical section of the efficient flanging press head 6 is a simple folding line 1 formed by sequentially connecting a plurality of straight line sections which are not on the same straight line end to end, and the round corners at all intersection points of the simple folding line 1 are treated;
When the press machine drives the high-efficiency flanging press head 6 to move downwards, the stress point 21 of the first workpiece 2 to be flanged moves along the simple folding line 1, and the angles of all the sections of the simple folding line 1 are continuously changed along with the deformation of the first workpiece 2, so that the flanging is finally finished at one time.
The simple folding line 1 comprises five straight line segments, wherein the first straight line segment 11 and the fifth straight line segment 15 are a group of horizontal lines, and the first straight line segment 11 is positioned below the fifth straight line segment 15, so that a height difference is formed, and the height difference corresponds to the material thickness of the first workpiece 2.
The second straight line segment 12 and the third straight line segment 13 are raised upwards, and the fourth straight line segment 14 is lowered downwards to form a peak.
The intersection point of the second straight line segment 12 and the third straight line segment 13 is collinear with the fifth straight line segment 15.
The third straight line segment 13 is equal in length to the fourth straight line segment 14.
The smooth arc between the first straight line segment 11 and the second straight line segment 12 is a first arc 111.
The smooth circular arc between the second straight line segment 12 and the third straight line segment 13 is a second circular arc 121.
The smooth circular arc between the third straight line segment 13 and the fourth straight line segment 14 is a third circular arc 131.
The smooth circular arc between the fourth straight line segment 14 and the fifth straight line segment 15 is a fourth circular arc 141.
The radii of the first arc 111, the second arc 121, the third arc 131, and the fourth arc 141 gradually decrease in sequence.
The stress point 21 of the first workpiece 2 is firstly abutted against the middle position of the first circular arc 111.
The included angle between the first straight line segment 11 and the second straight line segment 12 is a first included angle 112.
The second straight line segment 12 and the third straight line segment 13 have a second included angle 122.
The third straight line segment 13 and the fourth straight line segment 14 have a third included angle 132.
The fourth straight line segment 14 and the fifth straight line segment 15 have a fourth included angle 142.
The first included angle 112, the second included angle 122, the third included angle 132 and the fourth included angle 142 are obtuse angles, the second included angle 122 is larger than the first included angle 112, and the fourth included angle 142 is larger than the third included angle 132.
The height difference is equal to the thickness of the first workpiece 2.
The length of the fifth straight line segment 15 is greater than the length of the first straight line segment 11.
In the first embodiment, the thickness of the first workpiece 2 is 3mm, and the height difference between the corresponding first straight line segment 11 and the fifth straight line segment 15 is 3mm; the radius of the first arc 111 is R9, and the first included angle 112 is 140 degrees; the radius of the second arc 121 is R5, and the second included angle 122 is 160 degrees; the radius of the third arc 131 is R3, and the third included angle 132 is 140 degrees; the radius of the fourth arc 141 is R2 and the fourth included angle 142 is 160 °.
Embodiment two:
The high-efficiency flanging press head 6 is arranged on a workbench of the press in a mirror image mode, the upper ends of the workpiece I2 and the workpiece II 3 which are correspondingly assembled are connected with a slide block of the press, and slide up and down along with the slide block, namely the embodiment I mirror image is inverted, so that the workpiece I2 and the workpiece II 3 are formed in an upper working mode, the stress point of the workpiece I2 can move along a simple folding line, and finally the forming flanging is finished at one time.
Claims (6)
1. The utility model provides a high-efficient turn-ups pressure head, high-efficient turn-ups pressure head (6) upper end be connected with the slider of press to slide from top to bottom along with the slider, treat that press-fit's work piece one (2) and work piece two (3) are fixed on the workstation of press after assembling, and lie in high-efficient turn-ups pressure head (6) below, its characterized in that: the lower profile of the vertical section of the efficient flanging press head (6) is a simple fold line (1), the simple fold line (1) is formed by sequentially connecting a plurality of straight line segments which are not on the same straight line end to end, and round corners at all intersection points of the simple fold line (1) are treated; when the press machine drives the high-efficiency flanging press head (6) to move downwards, a stress point (21) of the first workpiece (2) to be flanged moves along the simple folding line (1), and the angle is continuously changed along with the deformation of the first workpiece (2) and each section of the simple folding line (1), so that the flanging is finally finished at one time;
The simple folding line (1) comprises five straight line segments, wherein a first straight line segment (11) and a fifth straight line segment (15) are a group of horizontal lines, the first straight line segment (11) is positioned below the fifth straight line segment (15), so that a height difference is formed, and the height difference corresponds to the material thickness of a first workpiece (2);
the second straight line section (12) and the third straight line section (13) are raised upwards, and the fourth straight line section (14) is lowered downwards to form a wave crest;
the intersection point of the second straight line segment (12) and the third straight line segment (13) is collinear with the fifth straight line segment (15);
the third straight line section (13) is equal in length to the fourth straight line section (14);
the stress point (21) of the first workpiece (2) is firstly abutted against the middle position of the first circular arc (111).
2. The high efficiency flanging press of claim 1, wherein: the smooth circular arc between the first straight line segment (11) and the second straight line segment (12) is a first circular arc (111);
the smooth circular arc between the second straight line segment (12) and the third straight line segment (13) is a second circular arc (121);
the smooth circular arc between the third straight line segment (13) and the fourth straight line segment (14) is a third circular arc (131);
The smooth circular arc between the fourth straight line segment (14) and the fifth straight line segment (15) is a fourth circular arc (141);
The radii of the first arc (111), the second arc (121), the third arc (131) and the fourth arc (141) gradually decrease in sequence.
3. The high efficiency flanging press of claim 1 or 2, wherein: the included angle between the first straight line segment (11) and the second straight line segment (12) is a first included angle (112);
the included angle between the second straight line segment (12) and the third straight line segment (13) is a second included angle (122);
The included angle between the third straight line segment (13) and the fourth straight line segment (14) is a third included angle (132);
the included angle between the fourth straight line segment (14) and the fifth straight line segment (15) is a fourth included angle (142);
the first included angle (112), the second included angle (122), the third included angle (132) and the fourth included angle (142) are obtuse angles, the second included angle (122) is larger than the first included angle (112), and the fourth included angle (142) is larger than the third included angle (132).
4. The high efficiency flanging press of claim 1, wherein: the height difference is equal to the thickness of the first workpiece (2).
5. A high efficiency flanging press as defined in claim 3, wherein: the length of the fifth straight line segment (15) is larger than that of the first straight line segment (11).
6. The high efficiency flanging press of claim 1, wherein: the high-efficiency flanging press head (6) is located on a workbench of the press in a mirror image mode, and the upper end of the workpiece I (2) and the workpiece II (3) which are correspondingly pressed are connected with a sliding block of the press after being assembled and slide up and down along with the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047000.1A CN114453473B (en) | 2022-01-17 | 2022-01-17 | High-efficient turn-ups pressure head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047000.1A CN114453473B (en) | 2022-01-17 | 2022-01-17 | High-efficient turn-ups pressure head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114453473A CN114453473A (en) | 2022-05-10 |
| CN114453473B true CN114453473B (en) | 2024-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210047000.1A Active CN114453473B (en) | 2022-01-17 | 2022-01-17 | High-efficient turn-ups pressure head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119116389A (en) * | 2024-08-26 | 2024-12-13 | 株洲时代新材料科技股份有限公司 | A press-fit riveting method for rubber joints |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003181547A (en) * | 2001-10-01 | 2003-07-02 | Nissan Motor Co Ltd | Hemming equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4471533B2 (en) * | 2000-08-24 | 2010-06-02 | 株式会社高津製作所 | Hemming equipment |
| CN2762908Y (en) * | 2004-07-28 | 2006-03-08 | 比亚迪股份有限公司 | Edge-reversing formation type pendulum mechanism |
| US9352379B2 (en) * | 2009-04-07 | 2016-05-31 | Rexam Beverage Can Company | Tooling pod for double action can end press |
| JP2013078777A (en) * | 2011-10-03 | 2013-05-02 | Hirotec Corp | Press die |
| CN102794363B (en) * | 2012-08-29 | 2014-09-10 | 淮海工学院 | Covering part forming mold and design and use method thereof |
| CN103537541B (en) * | 2013-09-25 | 2017-01-25 | 浙江吉利控股集团有限公司 | Installing hole punching device |
| JP6256568B2 (en) * | 2015-10-26 | 2018-01-10 | マツダ株式会社 | Press machine |
| WO2018213162A1 (en) * | 2017-05-15 | 2018-11-22 | Northwestern University | Method and apparatus for double-sided incremental flanging |
| US11498105B2 (en) * | 2017-10-02 | 2022-11-15 | Adval Tech Holding Ag | Method for producing a rolled edge |
| CN208437510U (en) * | 2018-07-10 | 2019-01-29 | 昆山市卓航精密模具有限公司 | A kind of flanging product stamping die |
| CN109365600A (en) * | 2018-10-23 | 2019-02-22 | 江苏瀚皋机械有限公司 | One-step method flanger and one-step method flanging process |
| CN214235775U (en) * | 2020-12-24 | 2021-09-21 | 上海申意汽车零部件有限公司 | Air riveting head |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003181547A (en) * | 2001-10-01 | 2003-07-02 | Nissan Motor Co Ltd | Hemming equipment |
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| CN114453473A (en) | 2022-05-10 |
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