CN206868888U - The hot press-formed contactless alignment system of blank - Google Patents

The hot press-formed contactless alignment system of blank Download PDF

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Publication number
CN206868888U
CN206868888U CN201720757967.3U CN201720757967U CN206868888U CN 206868888 U CN206868888 U CN 206868888U CN 201720757967 U CN201720757967 U CN 201720757967U CN 206868888 U CN206868888 U CN 206868888U
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CN
China
Prior art keywords
bearing
nail
locating pin
mould
spring
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.)
Expired - Fee Related
Application number
CN201720757967.3U
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Chinese (zh)
Inventor
周小燕
廖本洪
郝亮
李小平
陈康
库美芳
直妍
彭成允
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Chongqing University of Technology
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Chongqing University of Technology
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Publication date
Application filed by Chongqing University of Technology filed Critical Chongqing University of Technology
Priority to CN201720757967.3U priority Critical patent/CN206868888U/en
Application granted granted Critical
Publication of CN206868888U publication Critical patent/CN206868888U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to a kind of contactless alignment system of hot press-formed blank, including locating pin, locating pin spring, bearing material nail and bearing material nail spring;Locating pin one end is provided with convex edge;Two sections of endoporus of size are provided with bearing material nail, locating pin can axially slide relative in two sections of endoporus and with bearing material nail;Bearing material follows closely larger endoporus one end and is provided with locating pin spring abutment, and locating pin spring is compressed between locating pin spring abutment and locating pin;Locating pin is stretched out from bearing material nail;Bearing material nail outer wall is provided with wing ring, and can be axially slid relative with lower mould in stepped hole corresponding to lower mould;Lower mould hole corresponding with wing ring one end is provided with bearing material nail spring abutment;Bearing material nail spring is compressed between wing ring and bearing material nail spring abutment;Bearing material nail stretches out from lower mould, protrudes from lower mould upper surface.The utility model, which effectively prevent high-temperature steel plate and be contacted with die surface, causes heat loss, and without heating mould, single-piece curring time is short, efficiency high;Simple and reasonable, manufacturing cost is low, convenient to install and maintain, and versatility is good.

Description

The hot press-formed contactless alignment system of blank
Technical field
The utility model belongs to forging and stamping processing equipment technical field, and in particular to a kind of hot press-formed blank is contactless Alignment system.
Background technology
Because the steel plate hardness of cold punching pressing formation is relatively low, it can not increasingly meet the use demand of people, in order to increase it Intensity, can only be by way of increasing thickness, but this considerably increases overall weight again, is unsatisfactory for many engineerings and weight is wanted Ask.
At present, the application of hot press-formed technology is more and more, and hot press-formed technology is by steel plate heating and thermal insulation, steel plate Metallographic structure complete austenitizing after, steel plate is placed in it is stamping on mould, then keep mould to the pressure of steel plate, mould Built-in cooling device cooling mould, is heat-treated to obtain using the low temperature of the mold component contacted with steel plate to steel plate in tool Uniform martensitic structure is obtained, steel plate hardness is improved, can so make steel plate thin but stiff, meet the needs of in light weight, hardness is high;But During hot press-formed, when the steel plate under high temperature is placed on mould, part that high-temperature steel plate contacts with die surface It can rapidly cool down, undergo phase transition and rapid curing because of the heat transfer of mould, finally result in the steel formability part after heat treatment Portion's structural constituent is uneven, or even there is also in stamping process the phenomenon of hardening position cracking and cause to scrap.
Make steel plate that asking for heat loss occur because of the heat transfer of mould for the part that high-temperature steel plate contacts with die surface Topic, also have by heating the method for mould in advance to solve, but keeping pressure of the mould to steel plate, hot place is carried out to steel plate , it is necessary to first pass through cooling device cooling mould built-in in mould during reason, the mold contacted with steel plate is then utilized Part is heat-treated to steel plate, after the completion of heat treatment, before carrying out punching press next time, mould need to be heated into design temperature again, with Into next production cycle.This method needs electric heating element and carries out high-frequency heating to working portion of die, by sensing member Part controls heating-up temperature, and heating cooling repeatedly, and all sufficiently complex from forming technology or mould structure, technique can be real The property applied is low, and the manufacturing cost of mould is high;During implementation, the curring time of single-piece is long, less efficient.
In addition, traditional mould locating pin is placed on mould, die surface is protruded from, it is right when playing steel plate and being put into mould The spacing effect of steel plate surrounding.
Utility model content
For deficiencies of the prior art, the technical problems to be solved in the utility model is to provide a kind of drop stamping The contactless alignment system of forming blank, to avoid high-temperature steel plate from contacting the problem of causing heat loss with die surface, reaching has Effect prevents that high-temperature steel plate from contacting and simple in construction, the low effect easily implemented of cost with die surface.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:
The hot press-formed contactless alignment system of blank, including locating pin and locating pin spring, in addition to bearing material are followed closely and held Material nail spring;Convex edge is provided with around the end face of the locating pin;It is provided with the bearing material nail corresponding with the profile of the locating pin Of different sizes two section endoporus, the locating pin followed closely that can slide axially in two sections of endoporus, and with the bearing material Mode connects;The bearing material nail is provided with locating pin spring abutment in larger endoporus one end, and the locating pin spring is located at bearing material nail In larger endoporus, it is compressed between the end face of the locating pin spring abutment and locating pin convex edge one end;In the locating pin Under spring effect, the locating pin is stretched out from smaller endoporus one end that the bearing material is followed closely;The outer wall of the bearing material nail is provided with wing ring;Institute Bearing material nail is stated in lower mould and the bearing material nail outer wall and the corresponding stepped hole of wing ring, and with the lower mould can slide axially Mode connects;The lower mould is provided with bearing material nail spring abutment in hole one end corresponding with the wing ring;The bearing material nail spring is located at described In lower mould hole corresponding with the wing ring, it is compressed between the wing ring and bearing material nail spring abutment;Spring is followed closely in the bearing material Under effect, the bearing material nail stretches out from lower mould hole corresponding with bearing material nail outer wall, protrudes from the upper table of the lower mould Face.
The utility model by the position of the effectively spacing punching press front spring of the locating pin, place by the lower surface at steel plate edge In the upper surface of bearing material nail, ensure steel plate and the distance of the lower mould upper surface, effectively prevent high-temperature steel plate and mould table Face contact causes heat loss;The locating pin and bearing material nail are not provided to one, and reason has two:It is first, of the present utility model Structure effectively shortens stroke;If locating pin and bearing material nail set integral, when upper mould is descending, distilled edition alignment system, hold The stroke of material nail spring will greatly increase, and then increase the thickness of lower mould, increase lower mold materials dosage and weight, cost and improve, no It is easy to carry.Secondly:Locating pin described in the utility model is survivable;The bearing material follows closely spring because to bear the weight of steel plate, Its spring force is much larger than the spring force of the locating pin spring, if locating pin and bearing material nail set integral, when upper mould is descending, will pass through Locating pin distilled edition alignment system simultaneously overcomes the bearing material nail spring, the intensity requirement of locating pin is greatly improved, locating pin is necessary Be made relatively thick, otherwise easily by upper molding is disconnected or flexural deformation and destroy, and if overstriking locating pin, to ensure steel plate and bearing material The contact area of nail, it certainly will also increase the volume of bearing material nail, the volume of whole alignment system will all increase, and cost improves, no Easy processing.
Above-mentioned technical proposal is further improved, the locating pin spring abutment is detachably to couple with bearing material nail;It is described to hold Material nail spring abutment is detachably to couple with the lower mould.
So, unidirectional installation reasonable in design, being easy to the locating pin and bearing material to follow closely, it is easy to the maintenance and more of part Change;Load the depth of mould by changing bearing material and following closely spring abutment or change it, can be applied to this alignment system as standard component respectively In the mould of type thickness or mould different-thickness each position, versatility is good.
Further, the wing ring is arranged on the outer wall in the middle part of the bearing material nail length direction;The bearing material nail spring One end part is set on the bearing material nail outer wall.
So, reasonable in design, a part of outer wall of the bearing material nail plays the work of guiding in the bearing material follows closely spring With, make compression, the mechanism action of resilience more stablize it is smooth.
Some alignment systems in use, need to be arranged on down by the utility model according to steel plate and the concrete shape of mould Mould relevant position;When high-temperature steel plate is placed on mould, steel plate edge is by the position of the effectively spacing steel plate of the locating pin, together When steel plate edge lower surface be placed on the upper surface of bearing material nail, now, the bearing material nail spring can quilt due to steel plate weight Compression, the bearing material nail have certain deflection, but the bearing material nail spring collective effect of some bearing materials nail lower section, ensure the upper of bearing material nail Surface still protrudes from the upper surface of the lower mould, and meets the required distance of high-temperature steel plate and the lower mould upper surface, and this is logical The weight of detection steel plate in advance is crossed, the bearing material nail spring can be achieved by designed precompression and operating pressure coiling.Punching press During shaping, upper mould is descending, and the locating pin and bearing material nail are compressed, while high-temperature steel plate is due to Pressing Deformation, steel plate deformed The reason for rewinding, steel plate edge disengage the upper surface of the bearing material nail;After the completion of pressurize and heat treatment, upper mould is up, described fixed Position nail and bearing material nail return to original state under spring force effect.
The utility model is in use, when although high-temperature steel plate edge is placed on the upper surface of bearing material nail, contact site There is also heat loss, the structural constituent problem of non-uniform at this after shaping, but contact site very little at this may be caused, to whole The quality influence of finished product is very little, and stamping part is generally subsequently all also having punching trimming technique, by below Punching trimming technique, remove the edge of above-mentioned possible uneven microstructure, you can the structural constituent uniformity of finished product is completely secured.
Compared with prior art, the utility model has the advantages that:
1st, the utility model by the position of the effectively spacing punching press front spring of locating pin, place by the upper surface followed closely by bearing material High-temperature steel plate, the distance of high-temperature steel plate and lower mould upper surface is ensure that, effectively prevent high-temperature steel plate from contacting with die surface to cause Heat loss.
2nd, the utility model is simple in construction, avoids heat loss without being heated to mould, manufacturing cost is low, exploitativeness By force;Single-piece curring time is effectively shortened, it is high in machining efficiency.
3rd, the utility model is reasonable in design, and locating pin is survivable;Mechanism overall volume is smaller, and processing is simple;Peace Dress, maintenance and renewal part are easy to operate;Depth is assembled by changing bearing material nail spring abutment or changing its, this alignment system can be made It is applied to for standard component in the mould of various thickness, versatility is good.
Brief description of the drawings
Fig. 1-the utility model specific embodiment structural representation;
Wherein:1- locating pins, 2- steel plates, 3- bearing materials nail, 4- locating pin springs, 5- locating pin spring abutments, 6- bearing materials nail spring, 7- are held Material nail spring abutment, 8- workbench, 9- convex edges, 10- wing rings, mould under 11-.
Embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model specific embodiment includes locating pin 1 and locating pin spring 4, in addition to bearing material is followed closely 3 and held Material nail spring 6;Convex edge 9 is provided with around the end face of the locating pin 1;The profile with the locating pin 1 is provided with the bearing material nail 3 Corresponding two sections of endoporus of different sizes, the locating pin 1 is in two sections of endoporus, and with bearing material nail 3 with can axle Connected to sliding type;The bearing material nail 3 is provided with locating pin spring abutment 5 in larger endoporus one end, and the locating pin spring 4 is located at described In the larger endoporus of bearing material nail 3, it is compressed between the end face of the locating pin spring abutment 5 and the one end of 1 convex edge of the locating pin 9; Under the locating pin spring 4 effect, the locating pin 1 is stretched out from smaller endoporus one end of bearing material nail 3;The bearing material nail 3 Outer wall be provided with wing ring 10;The bearing material nail 3 follows closely 10 corresponding stepped hole of 3 outer walls and wing ring located at lower mould 11 with the bearing material It is interior, and be connected with the lower mould 11 in a manner of it can slide axially;The lower mould 11 is set in hole one end corresponding with the wing ring 10 There is bearing material to follow closely spring abutment 7;The bearing material nail spring 6 is described with the 10 corresponding hole of wing ring, being compressed in located at the lower mould 11 Between wing ring 10 and bearing material nail spring abutment 7;In the case where bearing material nail spring 6 acts on, the bearing material follows closely 3 from the lower mould 11 and institute State bearing material and follow closely hole stretching corresponding to 3 outer walls, protrude from the upper surface of the lower mould 11.
Wherein, the locating pin spring abutment 5 is detachably coupled with bearing material nail 3 by screw thread;Bearing material nail spring abutment 7 with The lower mould 11 is the detachable connection or detachably coupled by screw thread that gap coordinates, and lower mould 11 is detachably coupled by screw thread On workbench 8.So, it is reasonable in design, it is easy to the locating pin 1 to follow closely 3 unidirectional installation with bearing material, is easy to the dimension of part Repair and change;Load the depth of lower mould 11 by changing bearing material and following closely spring abutment 7 or change it, can be using this alignment system as standard component It is applied in the mould of various thickness or each position of mould different-thickness, versatility is good.
Wherein, the wing ring 10 is arranged on the outer wall that the bearing material is followed closely in the middle part of 3 length directions;The bearing material nail spring 6 One end part is set in the bearing material and followed closely on 3 outer walls.So, reasonable in design, a part of outer wall of the bearing material nail 3 is in institute State bearing material nail spring 6 in play a part of guiding, make compression, the mechanism action of resilience more stablize it is smooth.
During implementation, further, the locating pin 1, bearing material nail 3, locating pin spring abutment 5, bearing material nail spring abutment 7, convex edge 9, the wing Ring 10 is revolution shape, and so, cylindrical, endoporus, internal and external threads on part can complete processing, car on engine lathe It is simplest technology mode in chip processing to cut processing, and manufacturing cost is low.Can be with further improved during the above-mentioned implementation Scheme is regarded as falling into scope of protection of the utility model.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model Enclose, it all should cover among right of the present utility model.

Claims (3)

1. the hot press-formed contactless alignment system of blank, including locating pin and locating pin spring, it is characterised in that:Also include holding Material nail and bearing material nail spring;Convex edge is provided with around the end face of the locating pin;It is provided with and the locating pin in the bearing material nail Two sections of endoporus of different sizes corresponding to profile, the locating pin are followed closely with can in two sections of endoporus, and with the bearing material The mode of sliding axially connects;The bearing material nail is provided with locating pin spring abutment in larger endoporus one end, and the locating pin spring is located at described In the larger endoporus of bearing material nail, it is compressed between the end face of the locating pin spring abutment and locating pin convex edge one end;Institute State under the effect of locating pin spring, the locating pin is stretched out from smaller endoporus one end that the bearing material is followed closely;The outer wall of the bearing material nail is set There is wing ring;Bearing material nail in lower mould stepped hole corresponding with bearing material nail outer wall and wing ring, and with the lower mould with Can the mode of sliding axially connect;The lower mould is provided with bearing material nail spring abutment in hole one end corresponding with the wing ring;The bearing material nail Spring is compressed between the wing ring and bearing material nail spring abutment in lower mould hole corresponding with the wing ring;Institute State under bearing material nail spring effect, the bearing material nail stretches out from lower mould hole corresponding with bearing material nail outer wall, protrudes from described The upper surface of lower mould.
2. the contactless alignment system of hot press-formed blank according to claim 1, it is characterised in that:The locating pin spring Seat is detachably to couple with bearing material nail;The bearing material nail spring abutment is detachably to couple with the lower mould.
3. the contactless alignment system of hot press-formed blank according to claim 1, it is characterised in that:The wing ring is set On the outer wall in the middle part of bearing material nail length direction;One end part of the bearing material nail spring is set in the bearing material nail outer wall On.
CN201720757967.3U 2017-06-27 2017-06-27 The hot press-formed contactless alignment system of blank Expired - Fee Related CN206868888U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720757967.3U CN206868888U (en) 2017-06-27 2017-06-27 The hot press-formed contactless alignment system of blank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720757967.3U CN206868888U (en) 2017-06-27 2017-06-27 The hot press-formed contactless alignment system of blank

Publications (1)

Publication Number Publication Date
CN206868888U true CN206868888U (en) 2018-01-12

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CN201720757967.3U Expired - Fee Related CN206868888U (en) 2017-06-27 2017-06-27 The hot press-formed contactless alignment system of blank

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096844A (en) * 2017-06-27 2017-08-29 重庆理工大学 Drop stamping plate positioning unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107096844A (en) * 2017-06-27 2017-08-29 重庆理工大学 Drop stamping plate positioning unit

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180112

Termination date: 20190627