CN104139100B - The continuous forming process and its die apparatus of a kind of nutplate - Google Patents

The continuous forming process and its die apparatus of a kind of nutplate Download PDF

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Publication number
CN104139100B
CN104139100B CN201410283663.9A CN201410283663A CN104139100B CN 104139100 B CN104139100 B CN 104139100B CN 201410283663 A CN201410283663 A CN 201410283663A CN 104139100 B CN104139100 B CN 104139100B
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China
Prior art keywords
mould
die
chamfer radius
dies
depth
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CN201410283663.9A
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Chinese (zh)
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CN104139100A (en
Inventor
陈中琼
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东莞市昶宏金属科技有限公司
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Publication of CN104139100A publication Critical patent/CN104139100A/en
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Publication of CN104139100B publication Critical patent/CN104139100B/en

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Abstract

The present invention relates to a kind of continuously shaped mould equipment of nutplate, the die apparatus includes drawing die assembly and shaping mould assembly, and drawing die assembly includes one-off hole-piercing mould, secondary punching mould, three punching dies, one-off drawing mould, succeeding stretch mould, three drawing dies, four drawing dies, five drawing dies, six drawing dies, seven drawing dies, eight drawing dies, four punching dies, nine drawing dies, ten drawing dies, ten one-off drawing moulds, ten succeeding stretch moulds successively;Shaping mould assembly includes shaping mould, secondary reshaping mould, one-time forming die, font mould, repaiies interior punch die, shaving die, secondary shaving die, pressure flash mold, secondary forming die, No. three shaping dies and cut-out mould successively.The present invention is using continuous, the continuous mould assembly of automated job, and not only processing efficiency is greatly improved, and machining accuracy is also greatly improved.

Description

The continuous forming process and its die apparatus of a kind of nutplate
Technical field:
The present invention relates to auto parts and components and its processing technique field, a kind of continuously shaped mould equipment of nutplate is refered in particular to.
Background technology:
Existing nutplate process needs many platform individual dies to process respectively, constantly to be carried out in process Expect the dismounting operation of block, the production efficiency of product has been had a strong impact on, while also have impact on the machining accuracy of product.
The content of the invention:
It is an object of the invention to overcome the above-mentioned weak point of existing nutplate process technology to connect there is provided a kind of nutplate Continuous mould equipment.
The present invention realizes that the technical scheme that its purpose is used is:A kind of continuously shaped mould equipment of nutplate, the mould Equipment includes drawing die assembly and shaping mould assembly, wherein, drawing die assembly includes one-off hole-piercing mould, secondary successively Punching die, three punching dies, one-off drawing mould, succeeding stretch mould, three drawing dies, four drawing dies, five Secondary drawing die, six drawing dies, seven drawing dies, eight drawing dies, four punching dies, nine drawing dies, Ten drawing dies, ten one-off drawing moulds, ten succeeding stretch moulds;Shaping mould assembly include successively shaping mould, Secondary reshaping mould, one-time forming die, font mould, repair interior punch die, shaving die, secondary shaving die, a dabbing Side mould, secondary forming die, No. three shaping dies and cut-out mould.
In the shaping mould assembly, the first empty step station is additionally provided with before a shaping mould;In secondary reshaping Provided with the second empty step station between mould and one-time forming die, provided with the 3rd empty step between one-time forming die and font mould Station, font mould and is repaiied between interior punch die provided with the 4th empty step station, is set between pressure flash mold and secondary forming die There is the 5th empty step station.
A kind of production technology of nutplate, it is characterised in that:Comprise the following steps:
Sheet material using thickness as 1.95mm makes nutplate, and sheet material first passes sequentially through one-off hole-piercing mould, secondary punching Punch die, three punching dies go out positioning hole or type hole;
Then to centre start stretching, sequentially pass through one-off drawing mould stretched at middle part to be formed overall diameter 98mm, Outer depth 30mm, chamfer radius are 8mm circular depressions;
It is 8mm, lower chamfer radius by succeeding stretch mould formation overall diameter 80mm, outer depth 32mm, upper chamfer radius For 7mm circular depressions;
It is 7.5mm, lower chamfering half by three drawing die formation overall diameter 66mm, outer depth 33mm, upper chamfer radius Footpath is 6.5mm circular depressions;
It is 7mm, lower chamfer radius by four drawing die formation overall diameter 56mm, outer depth 36mm, upper chamfer radius For 6mm circular depressions;
It is 6.5mm, lower chamfering by five drawing die formation overall diameter 48.5mm, outer depth 38mm, upper chamfer radius Radius is 5.5mm circular depressions;
It is 6mm, lower chamfer radius by six drawing die formation overall diameter 43mm, outer depth 40mm, upper chamfer radius For 5mm circular depressions;
It is 5.5mm, lower chamfering by seven drawing die formation overall diameter 38.5mm, outer depth 43mm, upper chamfer radius Radius is 4.5mm circular depressions;
By eight drawing die formation overall diameter 35mm, outer depth 43mm, the circular depressions that upper chamfer radius are 5mm;
Then it is punched out again by four punching dies, washes away the bottom surface of circular depressions, forms through hole;
Again by nine drawing die formation overall diameter 32mm, outer depth 44.5mm, the cylinders that upper chamfer radius are 4.5mm Shape body;
By ten drawing die formation overall diameter 29.5mm, outer depth 46mm, the cylindrical tubes that upper chamfer radius are 4mm Body;
By ten one-off drawing moulds formation overall diameter 27.5mm, outer depth 47mm, the cylinder that upper chamfer radius are 3.5mm Shape body;
By ten succeeding stretch moulds formation overall diameter 26mm, outer depth 48mm, the cylindrical tube that upper chamfer radius are 3mm Body;Complete stretching process;
By a shaping mould, the height of cylindrical tube is shaped to 39mm by 48mm before, and external diameter is kept 26mm, upper chamfer radius become 1.5mm, and this allows for the wall thickness increase of cylindrical tube;
Pass through secondary reshaping mould again, by the height shaper of cylindrical tube into 30mm, and external diameter keeps 26mm, upper chamfering Radius becomes 1.5mm, and this wall thickness for allowing for cylindrical tube further increases, and reaches the 1.5 of 2.95mm, about sheet metal thickness Times;
Into one-time forming die, a small flange is formed radially laterally in the bottom of cylindrical tube;
Font mould is entered back into, font face is stamped out in product surface;
Enter back into and repair interior punch die, cylindrical tube inwall is repaired;
Shaving die, secondary shaving die, a pressure flash mold are sequentially passed through again, cut unnecessary leftover pieces, are removed defeathering Side;
Secondary forming die, No. three shaping dies are sequentially passed through again, the material of former blank perimeter is bent up and down Form the upper kink and lower kink on the periphery of nutplate;
Final cutting obtains two finished product nutplates.
The present invention is transmitted operation, not had halfway automatically using continuous, the continuous mould assembly of automated job, cooperative mechanical hand There is the dismounting operation to expecting block, therefore not only processing efficiency is greatly improved, and also machining accuracy is also greatly improved.
Brief description of the drawings:
Fig. 1 is the structural representation of drawing die assembly in inventive die equipment;
Fig. 2 is the structural representation of shaping mould assembly in inventive die equipment;
Fig. 3 is the manufacturing process schematic diagram of nutplate in the present invention;
Fig. 4 is the structural representation for the nutplate that the present invention makes.
Embodiment:
With reference to specific embodiments and the drawings, the present invention is further described.
As Figure 1-Figure 4, it is of the present invention be a kind of nutplate continuously shaped mould equipment, the die apparatus bag Drawing die assembly 1 and shaping mould assembly 2 are included, wherein, drawing die assembly 1 includes one-off hole-piercing mould 101, secondary successively Punching die 102, three punching dies 103, one-off drawing mould 104, succeeding stretch mould 105, three drawing dies 106, Four drawing dies 107, five drawing dies 108, six drawing dies 109, seven drawing dies 110, eight drawing dies 111st, four punching dies 112, nine drawing dies 113, ten drawing dies 114, ten one-off drawing moulds 115,12 times Drawing die 116;Shaping mould assembly 2 includes shaping mould 201, secondary reshaping mould 202, an one-time forming die successively 203rd, font mould 204, repair interior punch die 205, shaving die 206, secondary shaving die 207, pressure flash mold 208, Secondary forming die 209, No. three shaping dies 210 and cut-out mould 211.
In the shaping mould assembly 2, the first empty step station 301 is additionally provided with before a shaping mould 201;Two Provided with the second empty step station 302, one-time forming die 203 and font mould between secondary shaping mould 202 and one-time forming die 203 Provided with the 3rd empty step station 303 between tool 204, font mould 204 and repair between interior punch die 205 provided with the 4th empty step station 304, provided with the 5th empty step station 305 between pressure flash mold 208 and secondary forming die 209.Needed because of different moulds Installing space is different, so form suitable installing space by sky step station, so as not to it is excessively compact and cause insufficient space.
In the present embodiment, sheet material using thickness as 1.95mm makes nutplate, and nutplate, which is passed sequentially through, first once rushes Punch die 101, secondary punching mould 102, three punching dies 103 go out positioning hole or type hole;Then centre is opened Begin to stretch, as shown in FIG.,
Sequentially pass through one-off drawing mould 104 and stretched at middle part and to form overall diameter 98mm, outer depth 30mm, chamfer radius and be 8mm circular depressions;
It is 8mm, lower chamfering half by the formation overall diameter of succeeding stretch mould 105 80mm, outer depth 32mm, upper chamfer radius Footpath is 7mm circular depressions;
It is 7.5mm, lower chamfering by three the formation overall diameter of drawing die 106 66mm, outer depth 33mm, upper chamfer radius Radius is 6.5mm circular depressions;
It is 7mm, lower chamfering half by four the formation overall diameter of drawing die 107 56mm, outer depth 36mm, upper chamfer radius Footpath is 6mm circular depressions;
It is 6.5mm, falls down by five the formation overall diameter of drawing die 108 48.5mm, outer depth 38mm, upper chamfer radius Angular radius is 5.5mm circular depressions;
It is 6mm, lower chamfering half by six the formation overall diameter of drawing die 109 43mm, outer depth 40mm, upper chamfer radius Footpath is 5mm circular depressions;
It is 5.5mm, falls down by seven the formation overall diameter of drawing die 110 38.5mm, outer depth 43mm, upper chamfer radius Angular radius is 4.5mm circular depressions;
It is circular recessed for 5mm's by eight the formation overall diameter of drawing die 111 35mm, outer depth 43mm, upper chamfer radius Portion;
Then it is punched out again by four punching dies 112, washes away the bottom surface of circular depressions, forms through hole;
It is again 4.5mm's by nine the formation overall diameter of drawing die 113 32mm, outer depth 44.5mm, upper chamfer radius Cylindrical tube;
By ten the formation overall diameter of drawing die 114 29.5mm, outer depth 46mm, the cylinders that upper chamfer radius are 4mm Shape body;
It is 3.5mm's by ten one-off drawing moulds 115 formation overall diameter 27.5mm, outer depth 47mm, upper chamfer radius Cylindrical tube;
By ten succeeding stretch moulds 116 formation overall diameter 26mm, outer depth 48mm, the cylinder that upper chamfer radius are 3mm Shape body;Complete stretching process.
The product for completing stretching process enters back into shaping mould assembly, first passes through one first empty step station 301, i.e., not right Product does any action;
By a shaping mould 201, the height (i.e. outer depth) of cylindrical tube is shaped to by 48mm before 39mm, and external diameter keeps 26mm, upper chamfer radius become 1.5mm, and this allows for the wall thickness increase of cylindrical tube;
Pass through secondary reshaping mould 202 again, by the height shaper of cylindrical tube into 30mm, and external diameter keeps 26mm, on Chamfer radius become 1.5mm, and this wall thickness for allowing for cylindrical tube further increases, and reaches 2.95mm, about sheet metal thickness 1.5 times;
Again by one second empty step station 302;
Into one-time forming die 203, a small flange is formed radially laterally in the bottom of cylindrical tube;
Again by one the 3rd empty step station 303;
Font mould 204 is entered back into, font face is stamped out in product surface;
Again by one the 4th empty step station 304;
Enter back into and repair interior punch die 205, cylindrical tube inwall is repaired;
Shaving die 206, secondary shaving die 207, a pressure flash mold 208 are sequentially passed through again, cut unnecessary corner Expect, remove Burr removal;
Again by one the 5th empty step station 305;
Sequentially pass through secondary forming die 209, No. three shaping dies 210 again, make former blank perimeter material upwards and to Under be bent to form nutplate periphery upper kink and lower kink;
Final cutting obtains two finished product nutplates.
The present invention is transmitted operation, not had halfway automatically using continuous, the continuous mould assembly of automated job, cooperative mechanical hand There is the dismounting operation to expecting block, therefore not only processing efficiency is greatly improved, and also machining accuracy is also greatly improved.

Claims (1)

1. a kind of production technology of nutplate, it is characterised in that:Comprise the following steps:
Sheet material using thickness as 1.95mm makes nutplate, and sheet material first passes sequentially through one-off hole-piercing mould, secondary punching mould Tool, three punching dies go out positioning hole or type hole;
Then start stretching to centre, sequentially pass through one-off drawing mould and stretch to form overall diameter 98mm, outer depth at middle part Spend the circular depressions that 30mm, chamfer radius are 8mm;
It is that 8mm, lower chamfer radius are 7mm by succeeding stretch mould formation overall diameter 80mm, outer depth 32mm, upper chamfer radius Circular depressions;
It is that 7.5mm, lower chamfer radius are by three drawing dies formation overall diameter 66mm, outer depth 33mm, upper chamfer radius 6.5mm circular depressions;
It is that 7mm, lower chamfer radius are 6mm by four drawing dies formation overall diameter 56mm, outer depth 36mm, upper chamfer radius Circular depressions;
It is 6.5mm, lower chamfer radius by five drawing die formation overall diameter 48.5mm, outer depth 38mm, upper chamfer radius For 5.5mm circular depressions;
It is that 6mm, lower chamfer radius are 5mm by six drawing dies formation overall diameter 43mm, outer depth 40mm, upper chamfer radius Circular depressions;
It is 5.5mm, lower chamfer radius by seven drawing die formation overall diameter 38.5mm, outer depth 43mm, upper chamfer radius For 4.5mm circular depressions;
By eight drawing die formation overall diameter 35mm, outer depth 43mm, the circular depressions that upper chamfer radius are 5mm;
Then it is punched out again by four punching dies, washes away the bottom surface of circular depressions, forms through hole;
Again by nine drawing die formation overall diameter 32mm, outer depth 44.5mm, the cylindrical tubes that upper chamfer radius are 4.5mm Body;
By ten drawing die formation overall diameter 29.5mm, outer depth 46mm, the cylindrical tubes that upper chamfer radius are 4mm;
By ten one-off drawing moulds formation overall diameter 27.5mm, outer depth 47mm, the cylindrical tube that upper chamfer radius are 3.5mm Body;
By ten succeeding stretch moulds formation overall diameter 26mm, outer depth 48mm, the cylindrical tube that upper chamfer radius are 3mm; Complete stretching process;
By a shaping mould, the height of cylindrical tube is shaped to 39mm by 48mm before, and external diameter keeps 26mm, Upper chamfer radius become 1.5mm, and this allows for the wall thickness increase of cylindrical tube;
Pass through secondary reshaping mould again, by the height shaper of cylindrical tube into 30mm, and external diameter keeps 26mm, upper chamfer radius Become 1.5mm, this wall thickness for allowing for cylindrical tube further increases, reach 2.95mm, about the 1.5 of sheet metal thickness times;
Into one-time forming die, a small flange is formed radially laterally in the bottom of cylindrical tube;
Font mould is entered back into, font face is stamped out in product surface;
Enter back into and repair interior punch die, cylindrical tube inwall is repaired;
Shaving die, secondary shaving die, a pressure flash mold are sequentially passed through again, cut unnecessary leftover pieces, are removed Burr removal;
Secondary forming die, No. three shaping dies are sequentially passed through again, the material of former blank perimeter is bent to form up and down The upper kink on the periphery of nutplate and lower kink;
Final cutting obtains two finished product nutplates.
CN201410283663.9A 2014-06-23 2014-06-23 The continuous forming process and its die apparatus of a kind of nutplate CN104139100B (en)

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Application Number Priority Date Filing Date Title
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CN104139100B true CN104139100B (en) 2017-09-08

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CN104525730A (en) * 2014-12-17 2015-04-22 吉林博仁科技股份有限公司 Novel Audi B903 left support, right support and front support continuous forming die
CN105436318B (en) * 2015-12-31 2018-04-20 上海昶宏汽车配件有限公司 A kind of progressive die for being used to process automotive starter shell
CN106216561A (en) * 2016-07-04 2016-12-14 刘玲娟 A kind of automobile metal support stiffnut plate technique
CN106194963A (en) * 2016-07-04 2016-12-07 刘玲娟 A kind of automobile metal support stiffnut plate structure
CN106270281B (en) * 2016-08-30 2018-07-13 宁波万晟汽车零部件有限公司 A kind of processing technology of no-welding automobile nutplate
CN106424341B (en) * 2016-10-19 2018-05-18 昆山脉泉精密模具有限公司 A kind of progressive die of the high hole flanging nutplate with cooling body
CN106311885B (en) * 2016-10-19 2018-04-10 昆山脉泉精密模具有限公司 A kind of progressive die of the high hole flanging nutplate with packet receiving mechanism
CN110405060A (en) * 2019-07-30 2019-11-05 浙江正鼎汽车零部件有限公司 Safety airbag casing system of processing and device
CN110405059A (en) * 2019-07-30 2019-11-05 浙江正鼎汽车零部件有限公司 Nut board processing system and device

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DE102008031050A1 (en) * 2008-07-01 2010-01-07 Trw Automotive Gmbh Attachment piece producing method for attaching seat belt retractor to motor vehicle, involves back-pressing pressed section to form case-like attachment piece, and calibrating attachment piece with respect to height and diameter of piece
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CN204234567U (en) * 2014-06-23 2015-04-01 东莞市昶宏金属科技有限公司 A kind of continuously shaped mould equipment of nutplate

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Publication number Priority date Publication date Assignee Title
US5993320A (en) * 1997-07-11 1999-11-30 Stafast Products Inc. Tee nut and method of manufacture
DE102008031050A1 (en) * 2008-07-01 2010-01-07 Trw Automotive Gmbh Attachment piece producing method for attaching seat belt retractor to motor vehicle, involves back-pressing pressed section to form case-like attachment piece, and calibrating attachment piece with respect to height and diameter of piece
CN102091913A (en) * 2010-12-19 2011-06-15 镇江中虎弹簧有限公司 Thread machining process of striker nut plate
CN103182440A (en) * 2011-12-29 2013-07-03 上海众大汽车配件有限公司 Automobile nut plate part die
CN102615198A (en) * 2012-04-20 2012-08-01 宁波长华汽车装饰件有限公司 Continuous mold for processing automobile screw nut plate
CN204234567U (en) * 2014-06-23 2015-04-01 东莞市昶宏金属科技有限公司 A kind of continuously shaped mould equipment of nutplate

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