CN105127344A - Spherical trailer hook forming technology - Google Patents
Spherical trailer hook forming technology Download PDFInfo
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- CN105127344A CN105127344A CN201510521874.6A CN201510521874A CN105127344A CN 105127344 A CN105127344 A CN 105127344A CN 201510521874 A CN201510521874 A CN 201510521874A CN 105127344 A CN105127344 A CN 105127344A
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Abstract
The invention discloses a spherical trailer hook forming technology. The spherical trailer hook forming technology is characterized in that the spherical trailer hook forming technology is composed of a one-time forging and pressing forming step and a one-time punching and correcting step; the forging and pressing forming step is performed in a forging and pressing forming die; the punching and correcting step is performed in a punching and correcting composite die; the forging and pressing forming die comprises an upper forming die body and a lower forming die body; the upper forming die body is provided with an upper die cavity and an upper hitting and limiting face; the lower forming die body is provided with a lower die cavity and a lower hitting and limiting face; during die closing of the forging and pressing forming die, the upper die cavity and the lower die cavity are closed to form a cavity with the shape the same as that of a spherical trailer hook; an upper deep counter bore and a lower deep counter bore are formed in the upper end face and the lower end face of a first installing hole of a spherical trailer hook blank; and a shallow counter bore is forged in the upper end face or the lower end face of a second installing hole of a spherical trailer hook blank. According to the spherical trailer hook forming technology, manufacturing of the spherical trailer hook can be completed through the one-time forging and pressing forming step and the one-time punching and correcting step, production efficiency is improved, production cost is reduced, and product quality is guaranteed.
Description
Technical field
The present invention relates to a kind of moulding process of spherical car puller hook.
Background technology
Car puller hook is installed on automobile tail, the effect mainly played towing and carry, and is the most concentrated stressed parts in automotive towing and lift-launch process.Different automobile types has different drawing coupler structures, and drawing coupler structure is different, and its intensity is also different, can differ greatly toward contact, so how appropriate design drawing coupler structure is the key realizing automotive safety towing and carry function.A kind of spherical car puller hook, entire body adopts high strength steel solid forging, because the round platform position distortion design of car puller hook, so can only adopt secondary heating secondary forging forming by prior art, then, the elongated hole position distortions that the kidney-shaped had due to car puller hook is protruded is large, and homogeneity of product is poor, so can only machined guarantee dimensional accuracy, finally to complete the making of spherical car puller hook, production efficiency is low, and production cost is high, and product quality can not effectively ensure.
Summary of the invention
In view of current known technology Problems existing, the object of the invention is to be to provide a kind of making that can be completed spherical car puller hook by a forging forming step and one-off hole-piercing aligning step, enhance productivity, reduce production cost, ensure the spherical car puller hook moulding process of product quality.
The present invention implements by the following technical programs:
Spherical car puller hook moulding process, shaping spherical car puller hook entire body adopt high strength steel solid forging, spherical car puller hook comprises transverse arm, transverse arm left end is bent upwards and is connected with bulb, right-hand member is bent upwards and reverses after certain angle forward and is connected with round platform, left section of arm body of transverse arm has orthodrome design, the central authorities of orthodrome arrange the first installing hole, the kidney-shaped that the left bend on the left side edge position of transverse arm is provided with by local fulling is formed is protruded, the centre that kidney-shaped is protruded is provided with the second installing hole, the hole shape of the second installing hole is elongated hole, it is characterized in that: moulding process is made up of a forging forming step and one-off hole-piercing aligning step, forging forming step is carried out forging in pattern, punching correction step is carried out in punching correction compound die, forge into pattern and comprise shaping upper and shaping counterdie, shaping upper is fixed on shaping upper seat, shaping counterdie is fixed on shaping die shoe, led by guide pillar between shaping upper seat and shaping die shoe, shaping upper arranges upper cavity and upper strike confined planes, upper strike confined planes hits confined planes by one in front and one in back arrange on the left of upper cavity first, second the 3rd strike confined planes composition hitting confined planes and arrange on the right side of upper cavity, first, second hits the square cylinder structure that confined planes is protrusion, 3rd strike confined planes is recessed elongated slot structure, elongated slot runs through before and after shaping upper, shaping counterdie arranges lower mode cavity and lower strike confined planes, lower strike confined planes hits confined planes by the one in front and one in back arrange on the left of lower mode cavity the 4th, 5th the 6th strike confined planes composition hitting confined planes and arrange on the right side of lower mode cavity, 4th, 5th strike confined planes is coupling first, the second recessed square column groove hitting confined planes constructs, 6th hits the rectangular structure that confined planes is the protrusion of coupling the 3rd strike confined planes, when forging into pattern matched moulds, upper cavity and lower mode cavity close and form the die cavity identical with spherical car puller hook profile, and mold upper and lower running-deep-hole in the upper and lower end face of spherical car puller hook blank first installing hole, the first blocking-up being not more than 6mm is left in the middle of first installing hole, forge shallow counterbore in the upper surface of spherical car puller hook blank second installing hole or lower surface, in the middle of the second installing hole, leave the second blocking-up being not more than 3mm.
Punching correction compound die comprises compound patrix and compound counterdie, compound patrix is fixed on compound upper mold base, compound counterdie is fixed on compound die shoe, led by guide pillar between compound upper mold base and compound die shoe, compound patrix is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges drift, compound patrix is provided with the upper cavity identical with shaping upper and the 7th, 8th hits confined planes, compound counterdie is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges material-dropping hole, compound counterdie is provided with the lower mode cavity identical with shaping counterdie and the 9th, tenth hits confined planes, 7th, 8th hits confined planes is arranged at the diagonal angle of compound patrix, 7th, 8th hits the square cylinder structure that confined planes is protrusion, 9th, tenth hits confined planes is arranged at the diagonal angle of compound counterdie, 9th, tenth strike confined planes is coupling the 7th, the 8th recessed square column groove hitting confined planes constructs.
After adopting above-mentioned process program, the present invention improves forging into pattern, at upper and lower multiple strike confined planes that shaping upper and shaping counterdie appropriate design mate, both ensure that the intensity of the scope of attack in turn ensure that the guiding accuracy of the scope of attack, forged and pressed out the arcuate shape of spherical car puller hook by forging forming step, and in the middle of first, second installing hole, only leave very thin first and second the blocking of wall thickness, then, the blank of the spherical car puller hook with arcuate shape is placed in compound die, because compound upper and lower mould has the die cavity identical with shaping upper and lower mould, so after compound die matched moulds, after the upper cavity of compound die and lower mode cavity close, accurate location is carried out to spherical car puller hook blank, spherical car puller hook blank and die cavity chamber wall fit tightly, at this moment the drift that arranges of compound patrix is by blank first, in the middle of second installing hole, blocking-up is carried out die-cut, because die-cut amount is little, and blank fits tightly with die cavity chamber wall, so product can not produce distortion after punching, good product consistency.Therefore, the present invention can complete the making of spherical car puller hook by a forging forming step and one-off hole-piercing aligning step, enhances productivity, and reduces production cost, ensures product quality.
Accompanying drawing explanation
The present invention has following accompanying drawing:
Fig. 1 is the structure chart forging into pattern,
Fig. 2 be Fig. 1 overlook directional diagram,
Fig. 3 is the die joint view of shaping upper,
Fig. 4 is the die joint view of shaping counterdie,
Fig. 5 is the structure chart of punching correction compound die,
Fig. 6 be Fig. 5 overlook directional diagram,
Fig. 7 is the spherical car puller hook blank drawing of forging forming,
Fig. 8 is Fig. 7 rear view,
Fig. 9 is spherical car puller hook finished figure after punching correction,
Figure 10 is the rear view of Fig. 9.
Detailed description of the invention
As shown in Fig. 9,10, the spherical car puller hook entire body employing high strength steel solid forging that the present invention is shaping, spherical car puller hook comprises transverse arm 3, transverse arm 3 left end is bent upwards and is connected with bulb 1, right-hand member is bent upwards and reverses after certain angle forward and is connected with round platform 2, left section of arm body of transverse arm 3 has orthodrome 4 and designs, the central authorities of orthodrome 4 arrange the first installing hole 5, the kidney-shaped that the left bend on the left side edge position of transverse arm 3 is provided with by local fulling is formed protrudes 6, the hole shape that the centre that kidney-shaped protrudes 6 is provided with the second installing hole 7, second installing hole 7 is elongated hole.
Spherical car puller hook moulding process of the present invention, is made up of a forging forming step and one-off hole-piercing aligning step, and forging forming step is carried out forging in pattern, and punching correction step is carried out in punching correction compound die, as Fig. 1, 2, shown in 3 and 4, forge into pattern and comprise shaping upper 10 and shaping counterdie 14, shaping upper 10 is fixed on shaping upper seat 11, shaping counterdie 14 is fixed on shaping die shoe 13, led by guide pillar 12 between shaping upper seat 11 and shaping die shoe 13, shaping upper 10 arranges upper cavity 17 and upper strike confined planes, upper strike confined planes hits confined planes 16 by one in front and one in back arrange on the left of upper cavity 17 first, second strike confined planes 21 and the 3rd strike confined planes 18 arranged on the right side of upper cavity 17 form, first, second hits the square cylinder structure that confined planes is protrusion, 3rd strike confined planes 18 is recessed elongated slot structure, elongated slot runs through before and after shaping upper 10, shaping counterdie 14 arranges lower mode cavity 20 and lower strike confined planes, lower strike confined planes hits confined planes 15 by the one in front and one in back arrange on the left of lower mode cavity 20 the 4th, 5th strike confined planes 22 and the 6th strike confined planes 19 arranged on the right side of lower mode cavity 20 form, 4th, 5th strike confined planes is coupling first, the second recessed square column groove hitting confined planes constructs, 6th hits the rectangular structure that confined planes 19 is the protrusion of coupling the 3rd strike confined planes 18, when forging into pattern matched moulds, upper cavity 17 forms the die cavity identical with spherical car puller hook profile with lower mode cavity 20 is closed, and mold upper and lower running-deep-hole in the upper and lower end face of spherical car puller hook blank first installing hole, the first blocking-up 8 being not more than 6mm is left in the middle of first installing hole, shallow counterbore is forged in the upper surface of spherical car puller hook blank second installing hole or lower surface, leave the second blocking-up 9 being not more than 3mm in the middle of second installing hole, Fig. 7 and 8 is shown in by spherical car puller hook blank.
As Fig. 5, shown in 6, punching correction compound die comprises compound patrix 30 and compound counterdie 34, compound patrix 30 is fixed on compound upper mold base 31, compound counterdie 34 is fixed on compound die shoe 33, led by guide pillar 32 between compound upper mold base 31 and compound die shoe 33, compound patrix 30 is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges drift 38, compound patrix 30 is provided with the upper cavity 37 identical with shaping upper and the 7th and hits confined planes 36, 8th hits confined planes 39, compound counterdie 34 is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges material-dropping hole 41, compound counterdie 34 is provided with the lower mode cavity 42 identical with shaping counterdie and the 9th and hits confined planes 35, tenth hits confined planes 40, 7th, 8th hits confined planes is arranged at the diagonal angle of compound patrix 30, 7th, 8th hits the square cylinder structure that confined planes is protrusion, 9th, tenth hits confined planes is arranged at the diagonal angle of compound counterdie 34, 9th, tenth strike confined planes is coupling the 7th, the 8th recessed square column groove hitting confined planes constructs.
Claims (2)
1. spherical car puller hook moulding process, shaping spherical car puller hook entire body adopt high strength steel solid forging, spherical car puller hook comprises transverse arm, transverse arm left end is bent upwards and is connected with bulb, right-hand member is bent upwards and reverses after certain angle forward and is connected with round platform, left section of arm body of transverse arm has orthodrome design, the central authorities of orthodrome arrange the first installing hole, the kidney-shaped that the left bend on the left side edge position of transverse arm is provided with by local fulling is formed is protruded, the centre that kidney-shaped is protruded is provided with the second installing hole, the hole shape of the second installing hole is elongated hole, it is characterized in that: moulding process is made up of a forging forming step and one-off hole-piercing aligning step, forging forming step is carried out forging in pattern, punching correction step is carried out in punching correction compound die, forge into pattern and comprise shaping upper and shaping counterdie, shaping upper is fixed on shaping upper seat, shaping counterdie is fixed on shaping die shoe, led by guide pillar between shaping upper seat and shaping die shoe, shaping upper arranges upper cavity and upper strike confined planes, upper strike confined planes hits confined planes by one in front and one in back arrange on the left of upper cavity first, second the 3rd strike confined planes composition hitting confined planes and arrange on the right side of upper cavity, first, second hits the square cylinder structure that confined planes is protrusion, 3rd strike confined planes is recessed elongated slot structure, elongated slot runs through before and after shaping upper, shaping counterdie arranges lower mode cavity and lower strike confined planes, lower strike confined planes hits confined planes by the one in front and one in back arrange on the left of lower mode cavity the 4th, 5th the 6th strike confined planes composition hitting confined planes and arrange on the right side of lower mode cavity, 4th, 5th strike confined planes is coupling first, the second recessed square column groove hitting confined planes constructs, 6th hits the rectangular structure that confined planes is the protrusion of coupling the 3rd strike confined planes, when forging into pattern matched moulds, upper cavity and lower mode cavity close and form the die cavity identical with spherical car puller hook profile, and mold upper and lower running-deep-hole in the upper and lower end face of spherical car puller hook blank first installing hole, the first blocking-up being not more than 6mm is left in the middle of first installing hole, forge shallow counterbore in the upper surface of spherical car puller hook blank second installing hole or lower surface, in the middle of the second installing hole, leave the second blocking-up being not more than 3mm.
2. spherical car puller hook moulding process as claimed in claim 1, it is characterized in that: punching correction compound die comprises compound patrix and compound counterdie, compound patrix is fixed on compound upper mold base, compound counterdie is fixed on compound die shoe, led by guide pillar between compound upper mold base and compound die shoe, compound patrix is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges drift, compound patrix is provided with the upper cavity identical with shaping upper and the 7th, 8th hits confined planes, compound counterdie is at the spherical car puller hook first of correspondence, the position of the second installing hole arranges material-dropping hole, compound counterdie is provided with the lower mode cavity identical with shaping counterdie and the 9th, tenth hits confined planes, 7th, 8th hits confined planes is arranged at the diagonal angle of compound patrix, 7th, 8th hits the square cylinder structure that confined planes is protrusion, 9th, tenth hits confined planes is arranged at the diagonal angle of compound counterdie, 9th, tenth strike confined planes is coupling the 7th, the 8th recessed square column groove hitting confined planes constructs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521874.6A CN105127344A (en) | 2015-08-24 | 2015-08-24 | Spherical trailer hook forming technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510521874.6A CN105127344A (en) | 2015-08-24 | 2015-08-24 | Spherical trailer hook forming technology |
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| Publication Number | Publication Date |
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| CN105127344A true CN105127344A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510521874.6A Pending CN105127344A (en) | 2015-08-24 | 2015-08-24 | Spherical trailer hook forming technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552717A (en) * | 2017-10-18 | 2018-01-09 | 国营第六六厂 | One kind joint precision die forging manufacturing process |
| CN107855453A (en) * | 2017-10-18 | 2018-03-30 | 国营第六六厂 | A kind of forging die for combining die-forging forming |
| CN108188259A (en) * | 2017-12-30 | 2018-06-22 | 连云港神鹰碳纤维自行车股份有限公司 | The mounting hole molding die and forming method of a kind of anti-yarn clipping |
| TWI824838B (en) * | 2022-11-23 | 2023-12-01 | 賴傳榮 | Forming method of trailer ball joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5997063A (en) * | 1998-03-04 | 1999-12-07 | Columbus Mckinnon | J-hook with shank portion having oval-shaped transverse cross-section |
| CN201558927U (en) * | 2009-11-17 | 2010-08-25 | 芜湖新达锻造有限公司 | Mold for manufacturing knuckle arm |
| CN201815596U (en) * | 2010-10-28 | 2011-05-04 | 南车资阳机车有限公司 | Connecting rod punching correction compound die |
| CN102240763A (en) * | 2011-04-16 | 2011-11-16 | 湖北三环锻造有限公司 | Medium-heavy automobile flange die forging process and punching and calibrating composite die thereof |
| CN202169330U (en) * | 2011-07-11 | 2012-03-21 | 昆山科森科技有限公司 | Stamping and forging die |
| JP2015116573A (en) * | 2013-12-16 | 2015-06-25 | 武蔵精密工業株式会社 | Forging device |
-
2015
- 2015-08-24 CN CN201510521874.6A patent/CN105127344A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5997063A (en) * | 1998-03-04 | 1999-12-07 | Columbus Mckinnon | J-hook with shank portion having oval-shaped transverse cross-section |
| CN201558927U (en) * | 2009-11-17 | 2010-08-25 | 芜湖新达锻造有限公司 | Mold for manufacturing knuckle arm |
| CN201815596U (en) * | 2010-10-28 | 2011-05-04 | 南车资阳机车有限公司 | Connecting rod punching correction compound die |
| CN102240763A (en) * | 2011-04-16 | 2011-11-16 | 湖北三环锻造有限公司 | Medium-heavy automobile flange die forging process and punching and calibrating composite die thereof |
| CN202169330U (en) * | 2011-07-11 | 2012-03-21 | 昆山科森科技有限公司 | Stamping and forging die |
| JP2015116573A (en) * | 2013-12-16 | 2015-06-25 | 武蔵精密工業株式会社 | Forging device |
Non-Patent Citations (1)
| Title |
|---|
| 张翼等: ""一种复杂异形牵引钩的锻造工艺研究"", 《科技与创新》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552717A (en) * | 2017-10-18 | 2018-01-09 | 国营第六六厂 | One kind joint precision die forging manufacturing process |
| CN107855453A (en) * | 2017-10-18 | 2018-03-30 | 国营第六六厂 | A kind of forging die for combining die-forging forming |
| CN107552717B (en) * | 2017-10-18 | 2019-03-19 | 国营第六一六厂 | A kind of joint precision die forging manufacturing process |
| CN108188259A (en) * | 2017-12-30 | 2018-06-22 | 连云港神鹰碳纤维自行车股份有限公司 | The mounting hole molding die and forming method of a kind of anti-yarn clipping |
| TWI824838B (en) * | 2022-11-23 | 2023-12-01 | 賴傳榮 | Forming method of trailer ball joint |
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Application publication date: 20151209 |
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| WD01 | Invention patent application deemed withdrawn after publication |