CN114453473A - High-efficient turn-ups pressure head - Google Patents
High-efficient turn-ups pressure head Download PDFInfo
- Publication number
- CN114453473A CN114453473A CN202210047000.1A CN202210047000A CN114453473A CN 114453473 A CN114453473 A CN 114453473A CN 202210047000 A CN202210047000 A CN 202210047000A CN 114453473 A CN114453473 A CN 114453473A
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- straight line
- line segment
- included angle
- workpiece
- efficient
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- 239000000463 material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- UVXCXZBZPFCAAJ-UHFFFAOYSA-N arc-111 Chemical compound C1=C2OCOC2=CC2=C(N(CCN(C)C)C(=O)C3=C4C=C(C(=C3)OC)OC)C4=CN=C21 UVXCXZBZPFCAAJ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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)
- 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 folding line, the simple folding line is formed by connecting a plurality of straight line segments which are not on the same straight line end to end in sequence, and the intersection points of the simple folding line are subjected to round angle treatment; a first straight line section and a fifth straight line section in the simple fold lines form a group of horizontal lines, the first straight line section is positioned below the fifth straight line section, and therefore a height difference is formed, and the height difference corresponds to the material thickness of the first workpiece; the second straight line section and the third straight line section are raised upwards, and the fourth straight line section is lowered to form a wave crest. When the press machine drives the efficient flanging press head to move downwards, the stress point of the first workpiece to be flanged moves along the simple folding line, and the angle of each section of the simple folding line is changed continuously along with the deformation of the workpiece, so that the formed flanging is finished at one time finally. The pressure angle between the stress direction and the motion direction of the first workpiece is always controlled within a certain range, the phenomenon that the workpieces are damaged 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 flanging connection press mounting of a workpiece, in particular to a high-efficiency flanging press head.
Background
In the production and manufacturing process, the situation that two workpieces are pressed and installed through flanging connection is often encountered, as shown in the attached drawing 1: and the first workpiece 2 passes through the second workpiece 3 and then is flanged for forming.
This assembly is difficult to press fit into place in one press, and is typically formed in two passes, as shown in fig. 2: the edge of the steel plate is turned to 45 degrees by the inclined pressure head 4, and then turned to 90 degrees by the flat pressure head 5. The press fitting efficiency is low, and the production efficiency can be improved only by increasing the number of devices in actual production.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention particularly provides an efficient flanging press head, so that a workpiece I and a workpiece II can be pressed in place through one-step forming flanging.
Therefore, 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 the work piece one of pressure equipment and two assembly postings of work piece fix on the workstation of press, and lie in high-efficient turn-ups pressure head below, its characterized in that: the lower outline of the vertical section of the efficient flanging press head is a simple folding line, the simple folding line is formed by connecting a plurality of straight line segments which are not on the same straight line end to end in sequence, and the round corners of the intersection points of the simple folding line are processed;
when the press machine drives the efficient flanging press head to move downwards, the stress point of the first workpiece to be flanged moves along the simple folding line, and the angle of each section of the simple folding line is changed continuously along with the deformation of the workpiece, so that the formed flanging is finished at one time finally.
The further improvement lies in that: the simple fold line comprises five straight line segments, wherein the first straight line segment and the fifth straight line segment are a group of horizontal lines, the first straight line segment is located below the fifth straight line segment, and therefore a height difference is formed, and the height difference corresponds to the material thickness of the first workpiece.
The second straight line section and the third straight line section are raised, and the fourth straight line section is lowered to form a wave crest.
The further improvement lies in 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 lies in that: the third straight line section and the fourth straight line section are equal in length.
The further improvement lies in that: a smooth circular arc between the first straight line section and the second straight line section is a first circular arc;
a smooth circular arc between the second straight line section and the third straight line section is a second circular arc;
a smooth circular arc between the third straight line section and the fourth straight line section is a third circular arc;
a smooth circular arc between the fourth straight line section and the fifth straight line section is a fourth circular arc;
the radiuses of the first arc, the second arc, the third arc and the fourth arc are gradually reduced in sequence.
The further improvement lies in that: the included angle between the first straight line section and the second straight line section is a first included angle;
the included angle between the second straight line section and the third straight line section is a second included angle;
the included angle between the third straight line section and the fourth straight line section is a third included angle;
the included angle between the fourth straight line section and the fifth straight line section 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 lies in that: the stress point of the first workpiece firstly abuts against the middle position of the first arc.
The further improvement lies in that: the height difference is equal to the thickness of the first workpiece.
The further improvement lies in that: the length of the fifth straight line segment is greater than that of the first straight line segment.
The further improvement lies in that: the efficient flanging press head is arranged on a workbench of the press machine in a mirror image mode, the upper end of the efficient flanging press head is connected with a sliding block of the press machine after the efficient flanging press head is assembled corresponding to a first workpiece and a second workpiece to be pressed, and the efficient flanging press head slides up and down along with the sliding block.
Has the advantages that:
when the press machine drives the novel press head to move downwards, along with the deformation of the workpiece and the continuous change of the angle of each section of the simple folding line, the stress point of the workpiece I moves along the simple folding line, and finally the formed flanging is completed at one time; 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 that the workpieces are damaged due to clamping stagnation in the press mounting process is avoided.
Similarly, the efficient flanging press head is mirrored, so that the efficient flanging press head is positioned on a workbench of the press machine, the upper ends of the efficient flanging press head are connected with a slide block of the press machine after the workpiece I and the workpiece II to be pressed are assembled correspondingly, and the efficient flanging press head slides downwards along with the slide block, and one-step forming flanging can be realized, namely the press-fitting is completed.
The pressure head for the one-step forming flanging, provided by the invention, can realize that two pieces are connected and pressed in place through the one-step forming flanging, so that the pressing efficiency is greatly improved.
Drawings
Fig. 1 is a cross-sectional view of a workpiece after press fitting in place.
Fig. 2 is a sectional view showing a press-fitting process of a workpiece in the related art.
Fig. 3 is a sectional view showing a press-fitting process of a workpiece in the present invention.
Figure 4 is a cross-sectional view of the high efficiency turn-up ram of the present invention.
Illustration and marking:
1-simple fold line; 11-a first straight line segment; 111-a first arc; 112-a first angle;
12-a second straight line segment; 121-second arc; 122-a second angle;
13-third straight line segment; 131-third arc; 132-a third angle;
14-a fourth straight line segment, 141-a fourth arc; 142-a fourth angle; 15-fifth straight line segment;
2, a first workpiece; 21-stress point; 3-workpiece two; 4-a tilted indenter; 5-flat press head, 6 is high-efficiency flanging press head 6.
Detailed Description
The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific embodiment of the invention with reference to the attached drawings 1-4 of the specification.
The first embodiment is as follows:
the upper end of a high-efficiency flanging press head 6 is connected with a slide block of a press machine and slides up and down along with the slide block, a first workpiece 2 and a second workpiece 3 to be pressed are assembled and then fixed on a workbench of the press machine and are positioned below the high-efficiency flanging press head 6, the lower outline of the vertical section of the high-efficiency flanging press head 6 is a simple fold line 1 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 of the intersection points of the simple fold line 1 are processed;
when the press machine drives the efficient flanging press head 6 to move downwards, the stress point 21 of the workpiece I2 to be flanged moves along the simple folding line 1, and angles of all sections of the simple folding line 1 are changed continuously along with deformation of the workpiece 2, so that the forming flanging is finished at one time finally.
The simple fold line 1 comprises five straight line segments, wherein a first straight line segment 11 and a fifth straight line segment 15 form a group of horizontal lines, the first straight line segment 11 is located below the fifth straight line segment 15, and therefore a height difference is formed, and the height difference corresponds to the material thickness of the first workpiece 2.
The second straight line section 12 and the third straight line section 13 are raised, and the fourth straight line section 14 is lowered to form a peak.
The intersection 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 as long as the fourth straight line segment 14.
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 arc between the second straight line segment 12 and the third straight line segment 13 is a second arc 121.
The smooth arc between the third straight line segment 13 and the fourth straight line segment 14 is a third arc 131.
The smooth arc between the fourth straight line segment 14 and the fifth straight line segment 15 is a fourth arc 141.
The radii of the first arc 111, the second arc 121, the third arc 131 and the fourth arc 141 are gradually reduced in sequence.
The force-bearing point 21 of the first workpiece 2 first abuts 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 angle between the second straight line segment 12 and the third straight line segment 13 is a second angle 122.
The third linear segment 13 and the fourth linear segment 14 form a third included angle 132.
The fourth linear segment 14 and the fifth linear segment 15 form 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 greater than the first included angle 112, and the fourth included angle 142 is greater than the third included angle 132.
The height difference is equal to the material 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 material thickness of the first workpiece 2 is 3mm, and the height difference between the corresponding first straight line segment 11 and the corresponding fifth straight line segment 15 is also 3 mm; the radius of the first arc 111 is R9, and the first included angle 112 is 140 °; the radius of the second arc 121 is R5, and the second included angle 122 is 160 °; the radius of the third arc 131 is R3, and the third included angle 132 is 140 °; fourth arc 141 has a radius R2 and fourth included angle 142 is 160 °.
Example two:
the efficient flanging press head 6 is arranged on a workbench of the press machine in a mirror image mode, the upper ends of the efficient flanging press head 6 are connected with a sliding block of the press machine after being assembled corresponding to the first workpiece 2 and the second workpiece 3 to be pressed and slide up and down along with the sliding block, namely, the first embodiment is inverted in a mirror image mode, the first workpiece 2 and the second workpiece 3 are arranged on the upper side, the efficient flanging press head 6 is in a lower working mode, the stress point of the first workpiece 2 can move along a simple folding line, and finally the forming flanging is completed at one time.
Claims (10)
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 the work piece (2) and the work piece two (3) of pressure equipment assemble the after-fixing on the workstation of press, and lie in high-efficient turn-ups pressure head (6) below, its characterized in that: the lower outline of the vertical section of the high-efficiency flanging press head (6) is a simple folding line (1), the simple folding line (1) is formed by connecting a plurality of straight segments which are not on the same straight line end to end in sequence, and the intersection points of the simple folding line (1) are subjected to round angle treatment;
when the press machine drives the efficient flanging press head (6) to move downwards, the stress point (21) of the workpiece I (2) to be flanged moves along the simple folding line (1), and the forming flanging is finally completed at one time along with the deformation of the workpiece (2) and the continuous change of angles of all sections of the simple folding line (1).
2. The efficient turn-up ram of claim 1, wherein: the simple fold 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), and therefore a height difference is formed, and corresponds to the material thickness of the first workpiece (2);
the second straight line section (12) and the third straight line section (13) are raised, and the fourth straight line section (14) is lowered to form a peak.
3. The efficient turn-up ram of claim 2, wherein: 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).
4. The efficient turn-up ram of claim 2 or 3, wherein: the third straight line segment (13) and the fourth straight line segment (14) are equal in length.
5. The efficient turn-up ram of claim 2, wherein: a smooth circular arc between the first straight line segment (11) and the second straight line segment (12) is a first circular arc (111);
a smooth circular arc between the second straight line section (12) and the third straight line section (13) is a second circular arc (121);
a smooth circular arc between the third straight line section (13) and the fourth straight line section (14) is a third circular arc (131);
a smooth circular arc between the fourth straight line segment (14) and the fifth straight line segment (15) is a fourth circular arc (141);
the radiuses of the first arc (111), the second arc (121), the third arc (131) and the fourth arc (141) are gradually reduced in sequence.
6. The efficient turn-up ram of claim 5, wherein: the force bearing point (21) of the first workpiece (2) firstly abuts against the middle position of the first circular arc (111).
7. The efficient turn-up ram of claim 2, 3, 5 or 6, 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 section (12) and the third straight line section (13) is a second included angle (122);
the included angle between the third straight line section (13) and the fourth straight line section (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).
8. The efficient turn-up ram of claim 2, wherein: the height difference is equal to the thickness of the first workpiece (2).
9. The efficient turn-up ram of claim 7, wherein: the length of the fifth straight line segment (15) is greater than that of the first straight line segment (11).
10. The efficient turn-up ram of claim 1, wherein: the efficient flanging press head (6) is arranged on a workbench of the press machine in a mirror image mode, the upper end of the efficient flanging press head is connected with a sliding block of the press machine after the efficient flanging press head (6) is assembled corresponding to the first workpiece (2) and the second workpiece (3) to be pressed, and the efficient flanging press head slides up and down along with the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047000.1A CN114453473A (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 CN114453473A (en) | 2022-01-17 | 2022-01-17 | High-efficient turn-ups pressure head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114453473A true CN114453473A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210047000.1A Pending CN114453473A (en) | 2022-01-17 | 2022-01-17 | High-efficient turn-ups pressure head |
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| Country | Link |
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| CN (1) | CN114453473A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020023330A1 (en) * | 2000-08-24 | 2002-02-28 | Kazumoto Suzuki | Hemming machine |
| JP2003181547A (en) * | 2001-10-01 | 2003-07-02 | Nissan Motor Co Ltd | Hemming device |
| CN2762908Y (en) * | 2004-07-28 | 2006-03-08 | 比亚迪股份有限公司 | Edge-reversing formation type pendulum mechanism |
| JP2013078777A (en) * | 2011-10-03 | 2013-05-02 | Hirotec Corp | Press die |
| CN103537541A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Installing hole punching device |
| JP2017080807A (en) * | 2015-10-26 | 2017-05-18 | マツダ株式会社 | Press working apparatus |
| 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 |
| CN110023001A (en) * | 2017-05-15 | 2019-07-16 | 西北大学 | A kind of two o'clock progressive device and method for flange |
| US20200246854A1 (en) * | 2017-10-02 | 2020-08-06 | Adval Tech Holding Ag | Method for producing a rolled edge |
| CN214235775U (en) * | 2020-12-24 | 2021-09-21 | 上海申意汽车零部件有限公司 | Air riveting head |
-
2022
- 2022-01-17 CN CN202210047000.1A patent/CN114453473A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020023330A1 (en) * | 2000-08-24 | 2002-02-28 | Kazumoto Suzuki | Hemming machine |
| JP2003181547A (en) * | 2001-10-01 | 2003-07-02 | Nissan Motor Co Ltd | Hemming device |
| CN2762908Y (en) * | 2004-07-28 | 2006-03-08 | 比亚迪股份有限公司 | Edge-reversing formation type pendulum mechanism |
| JP2013078777A (en) * | 2011-10-03 | 2013-05-02 | Hirotec Corp | Press die |
| CN103537541A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Installing hole punching device |
| JP2017080807A (en) * | 2015-10-26 | 2017-05-18 | マツダ株式会社 | Press working apparatus |
| CN110023001A (en) * | 2017-05-15 | 2019-07-16 | 西北大学 | A kind of two o'clock progressive device and method for flange |
| US20200246854A1 (en) * | 2017-10-02 | 2020-08-06 | 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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