CN109968009B - Die of front bumper energy-absorbing box riveting assembly - Google Patents
Die of front bumper energy-absorbing box riveting assembly Download PDFInfo
- Publication number
- CN109968009B CN109968009B CN201711465000.9A CN201711465000A CN109968009B CN 109968009 B CN109968009 B CN 109968009B CN 201711465000 A CN201711465000 A CN 201711465000A CN 109968009 B CN109968009 B CN 109968009B
- Authority
- CN
- China
- Prior art keywords
- die
- lower die
- front bumper
- movable
- riveted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/062—Pierce nut setting machines
- B23P19/064—Deforming the support material only, e.g. the sheet or plate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to a die of a front bumper energy-absorbing box riveting assembly, which comprises an upper die, a lower die and a guide post; the upper die comprises an upper die base, an upper die pressing plate (4) and a part pressing plate (8) which are arranged on the upper die base; the lower die comprises a lower die base, a lower die material supporting plate (5), a lower die part material supporting plate (6) and a movable die core (3) which are arranged on the lower die base; the lower die part supporting plate (6) is provided with a lower die positioning pin (1), and the movable die core (3) is arranged between the lower die supporting plate (5) and the upper die pressing plate (4). Compared with the prior art, the die provided by the invention has the characteristics of high production efficiency, low production cost and long service life.
Description
Technical Field
The invention relates to a die, in particular to a die of a front bumper energy-absorbing box riveting assembly.
Background
The automobile front bumper energy absorber box is an important part on an automobile, and parts on the automobile front bumper energy absorber box are generally assembled by riveting through a press riveting nut. The press riveting nut is also called as a riveting nut, and is a self-fastening nut applied to a sheet or a stamping part, the shape of the press riveting nut is circular, and one end of the press riveting nut is provided with embossing teeth and a guide groove. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plates, in general, the aperture of the preset hole is slightly smaller than that of the embossing teeth of the press-riveting nut, the embossing teeth of the press-riveting nut are extruded into the plate through pressure to enable the periphery of the hole to generate shaping deformation, and deformed objects are extruded into the guide grooves, so that a locking effect is generated. The subsequent requirements of the traditional stamping parts relate to that the riveting process is generally that a nut is riveted by a TOX riveting machine and the stamping parts are riveted by a single-procedure riveting die, and the traditional riveting die is riveted by using a single nut, so that the production efficiency is lower.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a die and a method for a front bumper energy-absorbing box riveting assembly with high working efficiency and long service life.
The aim of the invention can be achieved by the following technical scheme:
a die of a front bumper energy-absorbing box riveting assembly comprises an upper die, a lower die and a guide post; the upper die comprises an upper die base, an upper die pressing plate and a part pressing plate which are arranged on the upper die base; the lower die comprises a lower die base, a lower die material supporting plate, a lower die part material supporting plate and a movable die core, wherein the lower die material supporting plate, the lower die part material supporting plate and the movable die core are arranged on the lower die base;
the lower die part supporting plate is provided with a lower die positioning pin, and the movable die core is arranged between the lower die supporting plate and the upper die pressing plate, so that the horizontal plane balance of the movable die core during movement can be ensured;
the front bumper energy-absorbing box part to be riveted is arranged on a lower die part supporting plate, and the part pressing plate presses the front bumper energy-absorbing box part to play a role in fixing and balancing the front bumper energy-absorbing box part; the lower die locating pin is inserted into a hole to be riveted of the front bumper energy-absorbing box part to be riveted, a nut to be riveted is placed above the lower die locating pin, the movable die core is driven to be above the nut to be riveted, die pressing is carried out, and the riveting nut is installed in the riveting hole of the front bumper energy-absorbing box part.
The spring is arranged below the lower die locating pin, and the functions of buffering and material returning are achieved.
The movable die core comprises a fixed end, a movable end and a movable handle which are sequentially connected, at least two protruding blocks are arranged on one side of the movable end, and each protruding block is arranged above the nut to be riveted during die pressing to apply force to the nut.
The height of the bottom surface of the lug is 1-2cm higher than the height of the top surface of the nut to be riveted before die pressing, so that the movable die core can be arranged above the nut to be riveted during riveting.
The lugs and the movable end are integrally arranged, the height of each lug is smaller than that of the front bumper energy-absorbing box part, the width of each lug is smaller than 1/2 of that of the front bumper energy-absorbing box part, and the lugs can smoothly enter the part and are arranged above the nuts to be riveted when riveting is guaranteed.
The height of the protruding block is 3-6cm, the width of the protruding block is 3-6cm, and the length of the protruding block is 5-8cm.
The lower die holder is provided with a rotating shaft, and the fixed end is arranged on the rotating shaft and can rotate around the rotating shaft.
The rotary shaft is also provided with a supporting block, the fixed end is arranged on the supporting block, and a pressing block is arranged above the fixed end, so that the balance of the movable die core during rotation of the horizontal plane is ensured, and the riveting stress is uniform and smooth.
The upper die holder and the lower die holder are made of carbon tool steel, the movable die core is made of Cr12MoV, and the wear speed can be effectively reduced through heat treatment, so that the service life of the die is prolonged;
the guide post is made of a bearing rigid material;
compared with the prior art, the invention has the following advantages:
1. by using the tool, riveting of at least two nuts can be completed at one time, so that the working efficiency is improved.
2. In the invention, the movable die core of the lower die, the pressing plate of the upper die and the material supporting plate of the lower die are subjected to heat treatment, so that the surface hardness is improved, the normal wear speed of the die is reduced, and the service life of the die is prolonged.
3. According to the invention, the spring is arranged below the lower die locating pin, so that the lower die locating pin has a locating function, a buffering function and a material returning function, and a workpiece is convenient to take.
Drawings
FIG. 1 is a schematic cross-sectional view of a mold according to the present invention;
FIG. 2 is a schematic view showing the movement state of the movable core part in the mold according to the present invention;
FIG. 3 is a side view of a portion of a movable mold insert in a mold according to the present invention.
The identification in the figure shows:
1. lower mould locating pin 2, spring, 3, movable mould benevolence, 4, upper mould pressure flitch, 5, lower mould hold in the palm the flitch, 6, lower mould part holds in the palm the flitch, 7, front bumper energy-absorbing box part, 8, part pressure flitch, 31, stiff end, 32, movable end, 33, movable handle, 34, lug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
A die of a front bumper energy-absorbing box riveting assembly is shown in fig. 1 and 2, and comprises an upper die, a lower die and a guide post; the upper die comprises an upper die base, an upper die pressing plate 4 and a part pressing plate 8 which are arranged on the upper die base; the lower die comprises a lower die base, a lower die part supporting plate 5, a lower die part supporting plate 6 and a movable die core 3 arranged between the lower die supporting plate 5 and the upper die pressing plate 4, wherein the lower die supporting plate 5 and the lower die part supporting plate 6 are arranged on the lower die base; the movable die core 3 comprises a fixed end 31, a movable end 32 and a movable handle 33 which are sequentially connected; two protruding blocks 34 are arranged on one side of the movable end 32, and the protruding blocks 34 and the movable end 32 are integrally arranged; the height of each bump 34 is smaller than the height of the front bumper energy-absorbing box part 7, the width is smaller than 1/2 of the width of the front bumper energy-absorbing box part 7, when riveting is guaranteed, the movable die core 3 can smoothly enter the front bumper energy-absorbing box part 7 and is arranged above the riveting nut to apply force to the riveting nut, in the embodiment, the height of the bottom surface of each bump 34 before die pressing is higher than the height of the top surface of the nut to be riveted by 1cm, the height of each bump 34 is 3cm, the width is 3cm, the length is 5cm, a lower die locating pin 1 is arranged on a lower die part material supporting plate 6, and a spring is arranged below the lower die locating pin 1 to play a role of buffering and material returning; the lower die holder is provided with a rotating shaft, the fixed end 31 is arranged on the rotating shaft and can rotate around the rotating shaft, and the rotating shaft is also provided with a supporting block; the fixed end 31 is arranged on the supporting material block after being arranged on the rotating shaft, and a pressing material block is further arranged above the fixed end 31, so that balance of the movable die core 3 during horizontal rotation is guaranteed, and riveting flatness is guaranteed.
During riveting operation, the front bumper energy-absorbing box part 7 to be riveted is arranged on the lower die part supporting plate 6, the part pressing plate 8 presses the front bumper energy-absorbing box part 7, the lower die locating pin 1 is inserted into a hole to be riveted of the front bumper energy-absorbing box part 7 to be riveted, a nut to be riveted is arranged above the hole to be riveted, the movable die core 3 is driven to be above the nut to be riveted for die pressing, and the riveting nut is installed in the riveting hole of the front bumper energy-absorbing box part 7.
Example 2
The height of the bottom surface of the lug is 1cm higher than the height of the top surface of the nut to be riveted before die pressing, so that the movable die core can be arranged above the nut to be riveted during riveting. The lugs and the movable end are integrally arranged, the height of each lug is smaller than that of the front bumper energy-absorbing box part, the width of each lug is smaller than 1/2 of that of the front bumper energy-absorbing box part, and the lugs can smoothly enter the part and are arranged above the nuts to be riveted when riveting is guaranteed. The height of the protruding block is 3cm, the width of the protruding block is 3cm, and the length of the protruding block is 5cm. The procedure is as in example 1. The number of the protruding blocks is determined according to the number of rivets on the actual parts to be riveted.
Example 3
The height of the bottom surface of the lug is 2cm higher than the height of the top surface of the nut to be riveted before die pressing, so that the movable die core can be arranged above the nut to be riveted during riveting. The lugs and the movable end are integrally arranged, the height of each lug is smaller than that of the front bumper energy-absorbing box part, the width of each lug is smaller than 1/2 of that of the front bumper energy-absorbing box part, and the lugs can smoothly enter the part and are arranged above the nuts to be riveted when riveting is guaranteed. The height of the protruding block is 6cm, the width of the protruding block is 6cm, and the length of the protruding block is 8cm. The procedure is as in example 1.
It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (7)
1. The die of the front bumper energy-absorbing box riveting component comprises an upper die, a lower die and a guide post, and is characterized in that the upper die comprises an upper die base, an upper die pressing plate (4) and a part pressing plate (8) which are arranged on the upper die base; the lower die comprises a lower die base, a lower die material supporting plate (5), a lower die part material supporting plate (6) and a movable die core (3) which are arranged on the lower die base; the lower die part supporting plate (6) is provided with a lower die positioning pin (1), and the movable die core (3) is arranged between the lower die supporting plate (5) and the upper die pressing plate (4); the front bumper energy-absorbing box part (7) to be riveted is arranged on a lower die part material supporting plate (6), a part material pressing plate (8) presses the front bumper energy-absorbing box part (7), a lower die positioning pin (1) is inserted into a hole to be riveted of the front bumper energy-absorbing box part (7) to be riveted, a nut to be riveted is arranged above the hole to be riveted, a movable die core (3) is driven to be above the nut to be riveted, die pressing is carried out, and the riveting nut is installed in the riveting hole of the front bumper energy-absorbing box part (7);
a spring is arranged below the lower die locating pin (1);
the movable die core (3) comprises a fixed end (31), a movable end (32) and a movable handle (33) which are sequentially connected, at least two protruding blocks (34) are arranged on one side of the movable end (32), and each protruding block (34) is arranged above a nut to be riveted during die pressing to apply force to the nut.
2. A die for a front bumper crash box riveting assembly as defined in claim 1 wherein the bottom surface of the bump (34) is 1-2cm higher than the top surface of the nut to be riveted prior to die pressing.
3. The die of the front bumper crash box riveting assembly according to claim 1 or 2, wherein the protruding blocks (34) and the movable ends (32) are integrally arranged, the height of each protruding block (34) is smaller than the height of the front bumper crash box part (7), and the width is smaller than 1/2 of the width of the front bumper crash box part (7).
4. A die for a front bumper crash box rivet assembly according to claim 3, wherein the bump (34) has a height of 3-6cm, a width of 3-6cm, and a length of 5-8cm.
5. The die set for the front bumper crash box riveting assembly according to claim 1, wherein the lower die holder is provided with a rotating shaft, and the fixed end (31) is mounted on the rotating shaft and can rotate around the rotating shaft.
6. The die for the front bumper crash box riveting assembly according to claim 5, wherein a supporting block is further arranged on the rotating shaft, the fixed end (31) is arranged on the supporting block, and a pressing block is further arranged above the fixed end (31).
7. The die set for the front bumper crash box riveting assembly according to claim 1, wherein the upper die holder and the lower die holder are made of carbon tool steel, and the movable die core (3) is made of Cr12MoV and is subjected to heat treatment; the guide post is made of bearing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465000.9A CN109968009B (en) | 2017-12-28 | 2017-12-28 | Die of front bumper energy-absorbing box riveting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465000.9A CN109968009B (en) | 2017-12-28 | 2017-12-28 | Die of front bumper energy-absorbing box riveting assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109968009A CN109968009A (en) | 2019-07-05 |
| CN109968009B true CN109968009B (en) | 2023-09-01 |
Family
ID=67075158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465000.9A Active CN109968009B (en) | 2017-12-28 | 2017-12-28 | Die of front bumper energy-absorbing box riveting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109968009B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474767A (en) * | 1973-05-14 | 1977-05-25 | Cold Fasteners Inc | Apparatus for making nut joints |
| JP2004505778A (en) * | 2000-08-04 | 2004-02-26 | アヴデル フェアビンドゥングセレメント ゲーエムベーハー | Apparatus and method for loading a rivet with internal threads into a riveting module |
| CN1853819A (en) * | 2005-04-18 | 2006-11-01 | 有限会社新城制作所 | Press for attaching nuts to pipes |
| CN101152693A (en) * | 2006-09-28 | 2008-04-02 | 有限会社新城制作所 | Press for attaching nuts to pipes |
| CN202045327U (en) * | 2011-03-24 | 2011-11-23 | 伟创力(上海)金属件有限公司 | Lever-type pressing and riveting die |
| CN102729032A (en) * | 2012-07-03 | 2012-10-17 | 昆山迈致治具科技有限公司 | Nut press fitting fixture |
| AU2013100706A4 (en) * | 2013-05-21 | 2013-06-20 | Hengdian Group Innuovo Electric Co.,Ltd | Tool for Riveting Output Shaft End Cover and Casing of Motor |
| CN103272983A (en) * | 2013-06-13 | 2013-09-04 | 常德裕丰紧固件有限公司 | Group riveting device for clinch nuts |
| CN203418071U (en) * | 2013-08-01 | 2014-02-05 | 沧州惠邦交通通讯产品制造有限公司 | Multi-nut riveting die |
| CN203875266U (en) * | 2014-06-04 | 2014-10-15 | 温州奔龙自动化科技有限公司 | Riveting die |
| CN105291046A (en) * | 2015-11-27 | 2016-02-03 | 中航成飞民用飞机有限责任公司 | Anchor nut riveting and installing tool |
| CN205393966U (en) * | 2016-02-22 | 2016-07-27 | 芜湖广盈实业有限公司 | Novel riveting nut riveting tools |
| CN207807070U (en) * | 2017-12-28 | 2018-09-04 | 上海众大汽车配件有限公司 | Front bumper energy-absorption box rivets the mold of component |
-
2017
- 2017-12-28 CN CN201711465000.9A patent/CN109968009B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1474767A (en) * | 1973-05-14 | 1977-05-25 | Cold Fasteners Inc | Apparatus for making nut joints |
| JP2004505778A (en) * | 2000-08-04 | 2004-02-26 | アヴデル フェアビンドゥングセレメント ゲーエムベーハー | Apparatus and method for loading a rivet with internal threads into a riveting module |
| CN1853819A (en) * | 2005-04-18 | 2006-11-01 | 有限会社新城制作所 | Press for attaching nuts to pipes |
| CN101152693A (en) * | 2006-09-28 | 2008-04-02 | 有限会社新城制作所 | Press for attaching nuts to pipes |
| CN202045327U (en) * | 2011-03-24 | 2011-11-23 | 伟创力(上海)金属件有限公司 | Lever-type pressing and riveting die |
| CN102729032A (en) * | 2012-07-03 | 2012-10-17 | 昆山迈致治具科技有限公司 | Nut press fitting fixture |
| AU2013100706A4 (en) * | 2013-05-21 | 2013-06-20 | Hengdian Group Innuovo Electric Co.,Ltd | Tool for Riveting Output Shaft End Cover and Casing of Motor |
| CN103272983A (en) * | 2013-06-13 | 2013-09-04 | 常德裕丰紧固件有限公司 | Group riveting device for clinch nuts |
| CN203418071U (en) * | 2013-08-01 | 2014-02-05 | 沧州惠邦交通通讯产品制造有限公司 | Multi-nut riveting die |
| CN203875266U (en) * | 2014-06-04 | 2014-10-15 | 温州奔龙自动化科技有限公司 | Riveting die |
| CN105291046A (en) * | 2015-11-27 | 2016-02-03 | 中航成飞民用飞机有限责任公司 | Anchor nut riveting and installing tool |
| CN205393966U (en) * | 2016-02-22 | 2016-07-27 | 芜湖广盈实业有限公司 | Novel riveting nut riveting tools |
| CN207807070U (en) * | 2017-12-28 | 2018-09-04 | 上海众大汽车配件有限公司 | Front bumper energy-absorption box rivets the mold of component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109968009A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202762826U (en) | Mechanism for one-time forming of symmetrical and multistep thin plates | |
| CN103230975A (en) | Thin plate punching method and thin plate punching device | |
| CN202779499U (en) | Inverted blanking die with ejector | |
| CN112803683B (en) | Compaction detection all-in-one machine and compaction detection method for rotor core | |
| CN203155775U (en) | Bending mechanism for manufacturing U-shaped titanium alloy plate with oblique angle | |
| CN204770405U (en) | Reciprocating type punching machine | |
| CN203091524U (en) | Miniature anode sheet steel continuous stamping and bending die | |
| CN109968009B (en) | Die of front bumper energy-absorbing box riveting assembly | |
| CN106166577A (en) | A kind of nickel-base alloy complex forging close trim mould and processing method thereof | |
| CN102836917A (en) | Progressive die of pressing piece | |
| CN207929812U (en) | A kind of continuous more than one piece edge rolling mold of automation | |
| CN207807070U (en) | Front bumper energy-absorption box rivets the mold of component | |
| CN103624150A (en) | Guiding track support turning edge forming stamping die | |
| CN202180140U (en) | Lateral stamping device for damper bracket of automobile engine | |
| CN210754768U (en) | Workpiece riveting and fixing device | |
| CN204603164U (en) | A kind of continuous punching machine | |
| CN203991889U (en) | Automobile lock bolt drives the continuously elongated forming station structure of axle | |
| CN204159719U (en) | A kind of half cut-off-die | |
| CN209811039U (en) | Sheet metal stamping die | |
| CN202343678U (en) | Tool for forming U-shaped clips of steel plate spring | |
| CN206509398U (en) | One kind is based on spring discharging carrier bar upside-down mounting composite die | |
| CN103100633A (en) | Press cam lever liftout mechanism | |
| CN201687920U (en) | Assembly structure for belt wheel and bearing and clamp | |
| CN104841777A (en) | Bending mold | |
| CN111215527A (en) | U-shaped bolt forming die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |