CN116174583A - Stamping process and die based on hidden frame - Google Patents
Stamping process and die based on hidden frame Download PDFInfo
- Publication number
- CN116174583A CN116174583A CN202310218762.8A CN202310218762A CN116174583A CN 116174583 A CN116174583 A CN 116174583A CN 202310218762 A CN202310218762 A CN 202310218762A CN 116174583 A CN116174583 A CN 116174583A
- Authority
- CN
- China
- Prior art keywords
- lower die
- die
- folding block
- stamping
- fixing plate
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000004299 exfoliation Methods 0.000 claims description 18
- 238000005265 energy consumption Methods 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 10
- 238000003062 neural network model Methods 0.000 claims description 6
- 210000002569 neuron Anatomy 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000012549 training Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 9
- 238000003860 storage Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention relates to the technical field of hidden frame molds, in particular to a hidden frame stamping process and a hidden frame stamping mold, comprising the following steps: determining a gap between an upper die and a lower die, and obtaining a hidden frame feeding space; blanking is carried out according to the hidden frame feeding space, an oil press is started to push the upper die to move downwards, and a slotting tool cuts materials to obtain hidden frame blanking pieces; the rectangular brown heavy spring of the upper die is combined with the rectangular red light spring of the lower die, so that the blanking piece of the hidden frame is turned high and molded to obtain a stamping part to be stamped; and the stamping part to be stamped is operated through the upper die folding block and the lower die stripper plate until the lower die stripper plate is contacted with the lower die stripper plate cushion block. The invention has the advantages of reducing processing procedures, improving the processing precision of products, prolonging the service life of the die, reducing the die repairing times and manufacturing cost, and simultaneously adopting the process can predict and calculate the service life of the die, thereby being convenient for operators to replace new dies and improving the quality and the precision of products.
Description
Technical Field
The invention relates to the technical field of hidden frame molds, in particular to a hidden frame stamping process, a hidden frame stamping mold, a hidden frame stamping device, electronic equipment and a computer readable storage medium.
Background
The decorative effect of the suspended ceiling system with hidden frames is widely accepted and favored in the market, and has great potential in the subsequent market. I am has order quantity of tens of thousands of parties each year, and has high economic value. But in actual production, hidden frame stamping salient point mould and forming die have exposed some problems, product shaping and bump need be processed alone, the processing step is more loaded down with trivial details, waste human resources, and the process switching process can lead to the location inaccuracy, influence the product and accomplish the effect, so decide to redesign a new hidden frame stamping salient point and shaping integrative mould, assemble one set of mould above after optimizing two kinds of mould structures, play and reduce processing procedure, improve product machining precision, increase the life of mould, reduce the number of times of repairing the mould, reduce manufacturing cost, the technology that adopts simultaneously can predict the life of calculating the mould, make things convenient for operating personnel to change new mould, improve the quality and the precision of product.
Disclosure of Invention
The invention provides a hidden frame-based stamping process, a die, a device and a computer-readable storage medium, which mainly aim to reduce the processing procedures, improve the processing precision of products, prolong the service life of the die, reduce the die repairing times and the manufacturing cost, and simultaneously adopt the process to predict and calculate the service life of the die, so that an operator can conveniently replace a new die, and the quality and the accuracy of the products are improved.
In order to achieve the above object, the present invention provides a stamping process based on a hidden frame, comprising:
determining a gap between an upper die and a lower die, and obtaining a hidden frame feeding space;
blanking is carried out according to the hidden frame feeding space, an oil press is started to push the upper die to move downwards, and a slotting tool cuts materials to obtain hidden frame blanking pieces;
the rectangular brown heavy spring of the upper die is combined with the rectangular red light spring of the lower die, so that the blanking piece of the hidden frame is turned high and molded to obtain a stamping part to be stamped;
the stamping part to be stamped is subjected to stamping operation from the operation of an upper die folding block and a lower die stripper plate to the operation of a lower die stripper plate and a lower die stripper plate cushion block, a 9mm gap is kept between an upper die fixing plate and a fixing plate cushion foot, a convex point fixing plate is stamped by a slotting tool and a lower die folding block, a rectangular red spring, a punch, a lower die folding block convex point fixing plate cover plate, a lower die folding block convex point sliding block rear cover plate and a lower die folding block convex point sliding block upper cover plate are stamped, and the stamping part is obtained;
the stamping part is punched with the convex points and then is lifted by the oil press, the stamping part is separated from the die under the action of the thimble component, and the die is returned and reset under the cooperation of the rectangular red light spring, the rectangular red spring and the rectangular brown heavy spring;
constructing a stamping energy consumption prediction model through return stroke and resetting of the die;
and calculating the wear rate of the die according to one-time return and reset.
Preferably, 8mm in the stamping working stroke is the operation time, and 1mm is the correction operation time of the stamping part.
Preferably, the specifications of the rectangular red light spring, the rectangular red spring and the rectangular brown heavy spring are respectively 50×100mm, 6×30mm and 50×65mm.
Preferably, the determining the gap between the upper die and the lower die, obtaining a feeding space of the hidden frame, includes:
setting a gap between the upper die and the lower die, and calculating the meeting condition of the gap, wherein the expression is as follows:
wherein delta T 、δ A Z represents the manufacturing tolerance of the upper die and the lower die respectively max 、Z min D is the maximum distance and the minimum distance of the gap between the upper die and the lower die respectively A 、D T The sizes of the salient point fixing plates and the slotting tools are respectively arranged on the lower die folding block, D max Is the limit size of the slotting tool, x is the friction coefficient, and delta is the dimensional tolerance;
and acquiring a hidden frame feeding space according to the meeting condition of the gap.
Preferably, the constructing the stamping energy consumption prediction model through the return stroke and the reset of the die comprises the following steps:
constructing the stamping parameter neural network model, calculating stamping errors, and expressing as follows:
wherein x is j For inputting the stamping parameter input layer, w ij To connect weights of the input layer and the hidden layer, delta i To hide the threshold of layer neurons, y i For hiding layer output, T li To connect the weights of the hidden layer and the output layer, θ l O, which is the threshold of the output layer neuron l Outputting for an output layer;
and training the stamping error for a plurality of times through the stamping parameter neural network model to form the stamping energy consumption prediction model, wherein the expression is as follows:
wherein x is a punching error, and f (x) is a punching energy consumption prediction model.
Preferably, said calculating the wear rate of the die from the return, reset, comprises:
obtaining a first layer of exfoliation layer material of the mold, the first layer of exfoliation layer material having a number of cycles of N 1 The strain limit of the first exfoliated layer material is calculated as:
wherein N is 0 For the first exfoliation layer material an initial number of strain cycles,
plastic strain, delta, for the first exfoliation layer material P Peeling the first layer of the materialStrain increment of material, epsilon C Is the strain limit, d, of the first spall material 0 An initial diameter of the first exfoliated layer material, d being a fracture diameter of the first exfoliated layer material;
calculating the number of times that the material of the peeling layer of the ith layer of the die needs to be recycled, wherein the expression is as follows:
N i ＝ε C /δ P -(N i-1 *δ P )
wherein N is i-1 Number of cycles to be performed for the i-1 th exfoliation layer material, N i The wear rate of the mold is obtained for the number of cycles required for the i-th exfoliation layer material.
The die comprises an upper die and a lower die, wherein the upper die comprises an upper die seat, an upper die independent guide post, a fixed plate, a slotting tool, a fixed plate foot pad, a fixed plate backing plate, a sliding block, an upper die folding block fixed plate, an upper die folding block, a thimble component and a rectangular brown heavy spring;
the lower die comprises a lower die base plate, a lower die base foot, a lower die base, a first lower die folding block, a second lower die folding block, a lower die folding block fixing plate, a lower die folding block bump fixing plate, a rectangular red light spring, a rectangular red spring, a punch, a lower die folding block bump fixing plate cover plate, a lower die stripper plate cushion, a lower die folding block bump slider back cover plate, a lower die independent guide post, a lower die stripper plate and a lower die folding block bump slider upper cover plate.
Preferably, the fixed plate is fixedly installed on the lower surface of the upper die holder, independent guide posts are fixedly installed at the positions, located at four corners, of the lower surface of the upper die holder, two slotting tools are fixedly installed at the positions, close to two sides, of the lower surface of the fixed plate, a plurality of rectangular brown heavy springs distributed at equal intervals are fixedly installed on the lower surface of the fixed plate, a fixed plate backing plate is fixedly installed below the fixed plate through the precise guide posts, four fixed plate padding feet distributed at equal intervals are fixedly installed between the fixed plate and the fixed plate backing plate, the rectangular brown heavy springs penetrate through the fixed plate padding feet, an upper die folding block fixed plate is movably installed on the lower surface of the fixed plate backing plate through a sliding block, an upper die folding block is fixedly installed on the outer side surface of the upper die folding block fixed plate, and the ejector pin member penetrates through the upper die holder, the fixed plate and the fixed plate backing plate.
Preferably, the upper surface fixed mounting of die holder backing plate has the die holder, fixed mounting has the lower mould pad foot between die holder backing plate and the die holder, the top fixed mounting of die holder has lower mould to break the piece fixed plate down, die holder and lower mould to break the piece fixed plate through first lower mould to break piece, second lower mould to break piece fixed mounting, first lower mould to break the piece and be located the second lower mould inboard, the one end of drift inserts lower mould to break the piece and break the point fixed plate, the other end fixed mounting of drift has rectangular red spring, the other end of drift inserts in lower mould to break the piece and break the point fixed plate apron, one side surface fixed mounting of lower mould to break the point fixed plate apron has the lower mould to break the point slider back shroud, the top fixed mounting of first lower mould to break the piece, second lower mould to break the piece has lower mould to break the piece slider upper cover plate, four turning all fixed mounting have lower mould independent guide pillar, the top fixed mounting of lower mould to break the piece fixed plate down has rectangular shaped stripper plate, take off the piece to break the point fixed plate down, take off the material through the stripper plate down between the fixed die to take off the die.
In order to solve the above-mentioned problems, the present invention also provides an electronic apparatus including:
a memory storing at least one instruction; a kind of electronic device with high-pressure air-conditioning system
And the processor executes the instructions stored in the memory to realize the stamping process and the die based on the hidden frame.
In order to solve the above-mentioned problems, the present invention further provides a computer readable storage medium having at least one instruction stored therein, the at least one instruction being executed by a processor in an electronic device to implement the above-mentioned process and die for stamping based on a hidden frame.
In order to solve the problems in the background art, the pressure of the rectangular brown heavy spring is larger than that of the rectangular red light spring, the pressure of the rectangular brown heavy spring overcomes the pressure of the rectangular red light spring in working, a blanking piece of a hidden frame is turned up and formed, then an upper die folding block and a lower die blanking plate are in contact with each other until a lower die blanking plate is in contact with a lower die blanking plate cushion block, a 9mm gap is reserved between an upper die fixing plate and a fixing plate cushion foot, a convex point fixing plate is formed between a slotting cutter and the lower die folding block, the rectangular red spring, a punching head and the lower die folding block are used for punching a convex point fixing plate cover plate, a convex point sliding block rear cover plate is formed by the lower die folding block, a convex point sliding block upper cover plate is formed by the lower die folding block, and meanwhile, the quality and the accuracy rate of products are improved through punching energy consumption prediction models and wear rates. Therefore, the invention provides a hidden frame-based stamping process, a die, a device, electronic equipment and a computer readable storage medium, which aim to reduce processing procedures, improve product processing precision, prolong the service life of the die, reduce the number of die repairing times and reduce manufacturing cost, and meanwhile, the adopted process can predict and calculate the service life of the die, thereby being convenient for operators to replace a new die and improving the quality and the precision of products.
Drawings
FIG. 1 is a schematic flow chart of a stamping process based on a hidden frame according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a stamping die based on a hidden frame according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an explosion structure based on a hidden frame stamping die according to an embodiment of the invention;
fig. 4 is a schematic diagram of a stamping bump structure based on a hidden frame stamping die according to an embodiment of the present invention.
In the figure: 1. a lower die holder backing plate; 2. a lower die pad foot; 3. a lower die holder; 4. a first lower die folding block; 5. a second lower die folding block; 6. a lower die folding block fixing plate; 7. the lower die folding block is provided with a salient point fixing plate; 8. rectangular red light spring; 9. rectangular red springs; 10. a punch; 11. the lower die folding block is provided with a salient point fixing plate cover plate; 12. a lower die stripper plate cushion block; 13. the lower die folding block is provided with a convex point sliding block rear cover plate; 14. independent guide posts of the lower die; 15. a lower die stripper plate; 16. the lower die folding block is provided with a salient point sliding block upper cover plate; 17. an upper die holder; 18. an upper die independent guide post; 19. a fixing plate; 20. a slotting tool; 21. the fixed plate is used for foot cushion; 22. a fixed plate backing plate; 23. a slide block; 24. an upper die folding block fixing plate; 25. an upper die folding block; 26. a thimble member; 27. rectangular brown heavy spring.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment of the application provides a stamping process and a die based on a hidden frame. The execution main body based on the hidden frame stamping process and the die comprises, but is not limited to, at least one of a server side, a terminal and the like which can be configured to execute the method provided by the embodiment of the application. In other words, the process and the die based on the hidden frame stamping can be performed by software or hardware installed in a terminal device or a server device, and the software can be a blockchain platform. The service end includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like.
Referring to fig. 1, a flow chart based on a hidden frame stamping process according to an embodiment of the invention is shown. In this embodiment, the method based on the hidden frame stamping process includes:
determining a gap between an upper die and a lower die, and obtaining a hidden frame feeding space;
further, the determining the gap between the upper die and the lower die, obtaining a dark frame feeding space, includes:
setting a gap between the upper die and the lower die, and calculating the meeting condition of the gap, wherein the expression is as follows:
wherein delta T 、δ A Respectively represent an upper die and a lower dieManufacturing tolerances, Z max 、Z min D is the maximum distance and the minimum distance of the gap between the upper die and the lower die respectively A 、D T The sizes of the salient point fixing plates and the slotting tools are respectively arranged on the lower die folding block, D max Is the limit size of the slotting tool, x is the friction coefficient, and delta is the dimensional tolerance;
and acquiring a hidden frame feeding space according to the meeting condition of the gap.
Blanking is carried out according to the hidden frame feeding space, an oil press is started to push the upper die to move downwards, and a slotting tool cuts materials to obtain hidden frame blanking pieces;
the rectangular brown heavy spring 27 of the upper die is combined with the rectangular red light spring of the lower die, so that the blanking piece of the hidden frame is turned high and molded to obtain a to-be-stamped piece;
the stamping part to be stamped works from an upper die folding block 25 to a lower die stripping plate 15 to a lower die stripping plate cushion block 12, a 9mm gap is kept between an upper die fixing plate 19 and a fixing plate cushion foot 21, and a slotting cutter 20 performs stamping work with a lower die folding block bump fixing plate 7, a rectangular red spring 9, a punch 10, a lower die folding block bump fixing plate cover plate 11, a lower die folding block bump slider back cover plate 13 and a lower die folding block bump slider upper cover plate 16 to obtain a stamping part;
further, 8mm in the stamping working stroke is the operation time, and 1mm is the correction operation time of the stamping part;
the specifications of the rectangular red light spring 8, the rectangular red spring 9 and the rectangular brown heavy spring 27 are respectively 50 x 100mm, 6 x 30mm and 50 x 65mm.
The stamping part is punched out of the convex points and then is lifted by the oil press, the stamping part is separated from the die under the action of the thimble component 26, and the die returns and returns under the cooperation of the rectangular red light spring 8, the rectangular red spring 9 and the rectangular brown heavy spring 27;
constructing a stamping energy consumption prediction model through return stroke and resetting of the die;
further, the constructing the stamping energy consumption prediction model through the return stroke and the reset of the die comprises the following steps:
constructing the stamping parameter neural network model, calculating stamping errors, and expressing as follows:
wherein x is j For inputting the stamping parameter input layer, w ij To connect weights of the input layer and the hidden layer, delta i To hide the threshold of layer neurons, y i For hiding layer output, T li To connect the weights of the hidden layer and the output layer, θ l O, which is the threshold of the output layer neuron l Outputting for an output layer;
and training the stamping error for a plurality of times through the stamping parameter neural network model to form the stamping energy consumption prediction model, wherein the expression is as follows:
wherein x is a punching error, and f (x) is a punching energy consumption prediction model.
The calculating the wear rate of the die according to the return stroke and the reset comprises the following steps:
obtaining a first layer of exfoliation layer material of the mold, the first layer of exfoliation layer material having a number of cycles of N 1 The strain limit of the first exfoliated layer material is calculated as:
wherein N is 0 For the first exfoliation layer material an initial number of strain cycles,
plastic strain, delta, for the first exfoliation layer material P For the strain increment of the first layer spall material epsilon C Peeling off the layer material for the first layerD 0 An initial diameter of the first exfoliated layer material, d being a fracture diameter of the first exfoliated layer material;
calculating the number of times that the material of the peeling layer of the ith layer of the die needs to be recycled, wherein the expression is as follows:
N i ＝ε C /δ P -(N i-1 *δ P )
wherein N is i-1 Number of cycles to be performed for the i-1 th exfoliation layer material, N i The wear rate of the mold is obtained for the number of cycles required for the i-th exfoliation layer material.
And calculating the wear rate of the die according to one-time return and reset.
As shown in fig. 2, the die comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 17, an upper die independent guide post 18, a fixed plate 19, a slotting tool 20, a fixed plate foot 21, a fixed plate foot plate 22, a sliding block 23, an upper die folding block fixed plate 24, an upper die folding block 25, a thimble member 26 and a rectangular brown heavy spring 27;
the lower die comprises a lower die base plate 1, a lower die base 2, a lower die base 3, a first lower die folding block 4, a second lower die folding block 5, a lower die folding block fixing plate 6, a lower die folding block bump fixing plate 7, a rectangular red light spring 8, a rectangular red spring 9, a punch 10, a lower die folding block bump fixing plate cover plate 11, a lower die stripper plate cushion block 12, a lower die folding block bump slider back cover plate 13, a lower die independent guide post 14, a lower die stripper plate 15 and a lower die folding block bump slider upper cover plate 16.
The lower surface fixed mounting of upper die base 17 has fixed plate 19, the lower surface of upper die base 17 is located the position of four corners and all fixedly mounted has independent guide pillar 18, the lower surface of fixed plate 19 is close to the position of both sides and all fixedly mounted has two slotting tools 20, the lower surface fixed mounting of fixed plate 19 has a plurality of equidistant rectangle brown heavy spring 27 that distributes, the below of fixed plate 19 is through accurate guide pillar fixed mounting has fixed plate backing plate 22, fixed plate 19 and fixed plate backing plate 22 between fixed plate are fixed mounting have four equidistant fixed plate backing plate 21, rectangle brown heavy spring 27 runs through fixed plate backing plate 21, the lower surface of fixed plate backing plate 22 is through slider 23 movable mounting has upper die bending piece fixed plate 24, upper die bending piece fixed plate 24 outside surface fixed mounting has upper die bending piece 25, thimble member 26 runs through upper die base 17, fixed plate 19, fixed plate backing plate 22.
The upper surface fixed mounting of die holder backing plate 1 has die holder 3, fixed mounting has lower die pad foot 2 between die holder backing plate 1 and the die holder 3, the top fixed mounting of die holder 3 has lower die pad fixed plate 6, die holder 3 and lower die pad fixed plate 6 pass through first lower die pad 4, second lower die pad 5 fixed mounting, first lower die pad 4 is located the inboard of second lower die pad 5, the one end of drift 10 inserts lower die pad bump fixed plate 7, the other end fixed mounting of drift 10 has rectangular red spring 9, the other end of drift 10 inserts in lower die pad bump fixed plate cover 11, one side surface fixed mounting of lower die pad bump fixed plate cover 11 has lower die pad bump slider back cover 13, the top fixed mounting of first lower die pad 4, second lower die pad 5 has lower die pad bump slider upper cover 16, four corner fixed plate 6's upper surface four independent corner blocks have the lower die pad fixed plate 15, the stripper fixed plate 15 is fixed with the stripper fixed plate 15 through the lower die pad fixed plate 15.
Further, the spring in the ejector pin component 26 generates elastic recovery along with the rising of the oil press to drive the ejector pin to impact the sliding block 23, so that the sliding block 23 moves downwards and generates downward acting force on the back surface of the product, and the product is separated from the die.
The structural principle of the die is as follows: the pressure of the rectangular brown heavy spring 27 is larger than that of the rectangular red light spring 8, the pressure of the rectangular brown heavy spring 27 overcomes the pressure of the rectangular red light spring 8 in operation, the dark frame 600mm aluminum plate is turned up for forming, then the upper die folding block 25 and the lower die stripper plate 15 work to the lower die stripper plate 15 and the lower die stripper plate cushion block 12 are contacted with each other, a 9mm gap is reserved between the upper die fixing plate 19 and the fixing plate cushion foot 21, the insert knife 20 and the lower die folding block punch the bump fixing plate 7, the rectangular red spring 9, the punch 10, the lower die folding block punch the bump fixing plate cover plate 11, the lower die folding block punch the bump slider back cover plate 13 and the lower die folding block punch the bump slider upper cover plate 16, 8mm in the working stroke is the working time, 1mm is the correct working time of a product, the product is moved up by an oil press after punching the bumps, the product is separated from the die under the action of the thimble member 26, and the die is matched with the rectangular red light spring 8, the rectangular red spring 9 and the rectangular brown heavy spring 27 and reset.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and the like. The Blockchain (Blockchain), which is essentially a decentralised database, is a string of data blocks that are generated by cryptographic means in association, each data block containing a batch of information of network transactions for verifying the validity of the information (anti-counterfeiting) and generating the next block. The blockchain may include a blockchain underlying platform, a platform product services layer, an application services layer, and the like.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the system claims can also be implemented by means of software or hardware by means of one unit or means. The terms second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. A hidden frame based stamping process, the method comprising:
determining a gap between an upper die and a lower die, and obtaining a hidden frame feeding space;
blanking is carried out according to the hidden frame feeding space, an oil press is started to push the upper die to move downwards, and a slotting tool cuts materials to obtain hidden frame blanking pieces;
the rectangular brown heavy spring (27) of the upper die is combined with the rectangular red light spring of the lower die, so that the blanking piece of the hidden frame is turned high and molded to obtain a stamping part to be stamped;
the stamping part to be stamped works to the lower die stripper plate (15) and the lower die stripper plate cushion block (12) through the upper die folding block (25), a 9mm gap is kept between the upper die fixing plate (19) and the fixing plate cushion foot (21), a slotting cutter (20) and the lower die folding block are used for stamping the bump fixing plate (7), the rectangular red spring (9), the punch (10), the lower die folding block bump fixing plate cover plate (11), the lower die folding block bump slider back cover plate (13) and the lower die folding block bump slider upper cover plate (16), so that the stamping part is obtained;
the stamping part is punched out of the convex points and then ascended by the oil press, the stamping part is separated from the die under the action of the thimble component (26), and the die returns and resets under the cooperation of the rectangular red light spring (8), the rectangular red spring (9) and the rectangular brown heavy spring (27);
constructing a stamping energy consumption prediction model through return stroke and resetting of the die;
and calculating the wear rate of the die according to one-time return and reset.
2. A hidden frame based stamping process as defined in claim 1, wherein 8mm is the run time in the stamping stroke and 1mm is the correct run time for the stamping.
3. A dark frame based stamping process according to claim 1, characterized in that the specifications of the rectangular red light spring (8), the rectangular red spring (9) and the rectangular brown heavy spring (27) are 50 x 100mm, 6 x 30mm and 50 x 65mm, respectively.
4. The blank-based stamping process of claim 1, wherein the determining the gap between the upper die and the lower die to obtain the blank feed space comprises:
setting a gap between the upper die and the lower die, and calculating the meeting condition of the gap, wherein the expression is as follows:
wherein delta T 、δ A Z represents the manufacturing tolerance of the upper die and the lower die respectively max 、Z min D is the maximum distance and the minimum distance of the gap between the upper die and the lower die respectively A 、D T The sizes of the salient point fixing plates and the slotting tools are respectively arranged on the lower die folding block, D max Is the limit size of the slotting tool, x is the friction coefficient, and delta is the dimensional tolerance;
and acquiring a hidden frame feeding space according to the meeting condition of the gap.
5. The hidden frame based stamping process of claim 1, wherein said constructing a stamping energy consumption prediction model by return, reset of said die comprises:
constructing the stamping parameter neural network model, calculating stamping errors, and expressing as follows:
wherein x is j For inputting the stamping parameter input layer, w ij To connect the weights of the input layer and the hidden layer, θ i To hide the threshold of layer neurons, y i For hiding layer output, T li To connect the weights of the hidden layer and the output layer, θ l O, which is the threshold of the output layer neuron l Outputting for an output layer;
and training the stamping error for a plurality of times through the stamping parameter neural network model to form the stamping energy consumption prediction model, wherein the expression is as follows:
wherein x is a punching error, and f (x) is a punching energy consumption prediction model.
6. A hidden frame based stamping process as defined in claim 1, wherein said calculating the wear rate of said die from said return, reset, comprises:
obtaining a first layer of exfoliation layer material of the mold, the first layer of exfoliation layer material having a number of cycles of N 1 The strain limit of the first exfoliated layer material is calculated as:
wherein N is 0 For the first exfoliation layer material an initial number of strain cycles,
plastic strain, delta, for the first exfoliation layer material P For the strain increment of the first layer spall material epsilon C Is the strain limit, d, of the first spall material 0 An initial diameter of the first exfoliated layer material, d being a fracture diameter of the first exfoliated layer material;
calculating the number of times that the material of the peeling layer of the ith layer of the die needs to be recycled, wherein the expression is as follows:
N i ＝ε C /δ P -(N i-1 *δ P )
wherein N is i-1 Number of cycles to be performed for the i-1 th exfoliation layer material, N i The wear rate of the mold is obtained for the number of cycles required for the i-th exfoliation layer material.
7. The stamping die based on the hidden frame is characterized by comprising an upper die and a lower die, wherein the upper die comprises an upper die holder (17), an upper die independent guide post (18), a fixed plate (19), a slotting tool (20), a fixed plate foot pad (21), a fixed plate pad plate (22), a sliding block (23), an upper die folding block fixed plate (24), an upper die folding block (25), a thimble component (26) and a rectangular brown heavy spring (27);
the lower die comprises a lower die base plate (1), a lower die base foot (2), a lower die base (3), a first lower die folding block (4), a second lower die folding block (5), a lower die folding block fixing plate (6), a lower die folding block bump fixing plate (7), a rectangular red light spring (8), a rectangular red spring (9), a punch (10), a lower die folding block bump fixing plate cover plate (11), a lower die stripper plate cushion block (12), a lower die folding block bump slider back cover plate (13), a lower die independent guide post (14), a lower die stripper plate (15) and a lower die folding block bump slider upper cover plate (16).
8. The hidden frame-based stamping die disclosed by claim 7, wherein a fixing plate (19) is fixedly arranged on the lower surface of the upper die holder (17), independent guide posts (18) are fixedly arranged at the positions, which are positioned at four corners, of the lower surface of the upper die holder (17), two slotting tools (20) are fixedly arranged at the positions, which are close to two sides, of the lower surface of the fixing plate (19), a plurality of rectangular brown heavy springs (27) which are equidistantly distributed are fixedly arranged on the lower surface of the fixing plate (19), a fixing plate base plate (22) is fixedly arranged below the fixing plate (19) through precise guide posts, four fixing plate base legs (21) which are equidistantly distributed are fixedly arranged between the fixing plate (19) and the fixing plate base plate (22), the rectangular brown heavy springs (27) penetrate through the fixing plate base legs (21), an upper die folding block fixing plate (24) is movably arranged on the lower surface of the fixing plate base plate (22), an upper die folding block fixing member (25) is fixedly arranged on the outer side surface of the upper die fixing plate (24), and the upper die base plate (17) penetrates through the fixing plate base plate (22).
9. The hidden frame-based stamping die of claim 7, wherein the lower die holder (3) is fixedly arranged on the upper surface of the lower die holder base plate (1), a lower die pad foot (2) is fixedly arranged between the lower die holder base plate (1) and the lower die holder (3), a lower die folding block fixing plate (6) is fixedly arranged above the lower die holder (3), the lower die holder (3) and the lower die folding block fixing plate (6) are fixedly arranged through a first lower die folding block (4) and a second lower die folding block (5), the first lower die folding block (4) is positioned on the inner side of the second lower die folding block (5), one end of a punch (10) is inserted into a lower die folding block protruding point fixing plate (7), the other end of the punch (10) is fixedly provided with a rectangular red spring (9), the other end of the punch (10) is inserted into a lower die folding block protruding point fixing plate cover plate (11), one side surface of the lower die folding block protruding point fixing plate (11) is fixedly provided with a lower die folding block (13), the upper surface of the lower die folding block (4) is fixedly provided with a guide post (16), the upper surface of the lower die (4) is fixedly arranged on the lower die folding block (6), the upper side of the lower die folding block fixing plate (6) is fixedly provided with a lower die stripper plate (15), the lower die folding block fixing plate (6) is connected with the lower die stripper plate (15) through a rectangular red light spring (8), and the lower surface of the lower die stripper plate (15) is fixedly provided with a lower die stripper plate cushion block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218762.8A CN116174583B (en) | 2023-03-07 | 2023-03-07 | Stamping process and die based on hidden frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310218762.8A CN116174583B (en) | 2023-03-07 | 2023-03-07 | Stamping process and die based on hidden frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116174583A true CN116174583A (en) | 2023-05-30 |
| CN116174583B CN116174583B (en) | 2024-01-30 |
Family
ID=86436484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310218762.8A Active CN116174583B (en) | 2023-03-07 | 2023-03-07 | Stamping process and die based on hidden frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116174583B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1733384A (en) * | 2005-07-13 | 2006-02-15 | 兰州理工大学 | Punching-pressing composite mould |
| KR20100006470A (en) * | 2008-07-09 | 2010-01-19 | 주식회사화신 | Compositive press molding apparatus |
| CN201776343U (en) * | 2010-07-26 | 2011-03-30 | 芜湖市建鑫汽车零部件有限责任公司 | Multidirectional punching mould for vehicle oil filler box |
| JP2016187816A (en) * | 2015-03-30 | 2016-11-04 | トヨタ自動車東日本株式会社 | Composite working press die |
| CN106862387A (en) * | 2017-03-13 | 2017-06-20 | 上海其承自动化设备有限公司 | Air conditioning water tank main leaf mainboard one-shot forming stamping mold |
| CN206296362U (en) * | 2016-12-02 | 2017-07-04 | 重庆樾福机械制造有限公司 | A kind of driving disc spacing pressing mould |
| CN206415497U (en) * | 2017-02-06 | 2017-08-18 | 湖南汽车工程职业学院 | Cold punching compound die |
| CN107088613A (en) * | 2017-06-27 | 2017-08-25 | 昆山申凌精密金属工业有限公司 | A kind of asymmetric remote control cover plate punching compound die |
| CN207222733U (en) * | 2017-07-27 | 2018-04-13 | 重庆中远精密模具有限公司 | A kind of cover board blanking convex hull compound die |
| CN211313039U (en) * | 2019-08-12 | 2020-08-21 | 崇佑(中国)新材料有限公司 | Novel hidden and exposed frame ceiling structure |
| CN212822121U (en) * | 2020-06-11 | 2021-03-30 | 广东立德盟科技有限公司 | Double-station side punching die |
| CN216324593U (en) * | 2021-11-30 | 2022-04-19 | 祥鑫科技股份有限公司 | Multi-process bending integrated forming die mechanism |
| CN217798429U (en) * | 2022-07-13 | 2022-11-15 | 中国第一汽车股份有限公司 | Blanking, drawing and punching composite die and equipment using same |
-
2023
- 2023-03-07 CN CN202310218762.8A patent/CN116174583B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1733384A (en) * | 2005-07-13 | 2006-02-15 | 兰州理工大学 | Punching-pressing composite mould |
| KR20100006470A (en) * | 2008-07-09 | 2010-01-19 | 주식회사화신 | Compositive press molding apparatus |
| CN201776343U (en) * | 2010-07-26 | 2011-03-30 | 芜湖市建鑫汽车零部件有限责任公司 | Multidirectional punching mould for vehicle oil filler box |
| JP2016187816A (en) * | 2015-03-30 | 2016-11-04 | トヨタ自動車東日本株式会社 | Composite working press die |
| CN206296362U (en) * | 2016-12-02 | 2017-07-04 | 重庆樾福机械制造有限公司 | A kind of driving disc spacing pressing mould |
| CN206415497U (en) * | 2017-02-06 | 2017-08-18 | 湖南汽车工程职业学院 | Cold punching compound die |
| CN106862387A (en) * | 2017-03-13 | 2017-06-20 | 上海其承自动化设备有限公司 | Air conditioning water tank main leaf mainboard one-shot forming stamping mold |
| CN107088613A (en) * | 2017-06-27 | 2017-08-25 | 昆山申凌精密金属工业有限公司 | A kind of asymmetric remote control cover plate punching compound die |
| CN207222733U (en) * | 2017-07-27 | 2018-04-13 | 重庆中远精密模具有限公司 | A kind of cover board blanking convex hull compound die |
| CN211313039U (en) * | 2019-08-12 | 2020-08-21 | 崇佑(中国)新材料有限公司 | Novel hidden and exposed frame ceiling structure |
| CN212822121U (en) * | 2020-06-11 | 2021-03-30 | 广东立德盟科技有限公司 | Double-station side punching die |
| CN216324593U (en) * | 2021-11-30 | 2022-04-19 | 祥鑫科技股份有限公司 | Multi-process bending integrated forming die mechanism |
| CN217798429U (en) * | 2022-07-13 | 2022-11-15 | 中国第一汽车股份有限公司 | Blanking, drawing and punching composite die and equipment using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116174583B (en) | 2024-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1327984C (en) | Punching-pressing composite mould | |
| Lin et al. | Application of an integrated CAD/CAE/CAM system for stamping dies for automobiles | |
| CN102672034B (en) | Die for fine punching of connecting bracket and fine punching method | |
| Prasad et al. | CADDS: an automated die design system for sheet-metal blanking | |
| CN203830547U (en) | Trimming and notching combined die | |
| CN106424296A (en) | Hardware strip double-surface no-burr blanking process and no-burr blanking mold | |
| CN201676964U (en) | One-step molding mould for terminal complicated bend rivet-punching | |
| CN102773334A (en) | Stamping die for hole sites of rear covers of notebook computer | |
| CN105945132B (en) | Multiaspect side-stamping device | |
| CN207823702U (en) | A kind of wedge structure of small compact | |
| CN102601227B (en) | Punching mould and punching method suitable for labtop keyboard frame | |
| CN116174583B (en) | Stamping process and die based on hidden frame | |
| CN104014627B (en) | Apparatus for manufacturing weight balancing core of motor with at least two laminated mother materials | |
| CN205200330U (en) | Safety belt fixation nut reinforcing plate upgrades mould | |
| CN203281687U (en) | Bending and stripping mechanism | |
| CN102699189B (en) | Continuous stamping die and stamping method for mobile phone camera component | |
| Caiyuan et al. | HPRODIE: using feature modelling and feature mapping to speed up progressive die design | |
| CN203592051U (en) | Multi-station progressive die | |
| CN211304393U (en) | Punching die for metal key whole frame punching finished product | |
| CN103192427A (en) | Compound type hardware die | |
| CN205996014U (en) | A kind of grading blanking die of a multi-cavity mold based on PressCAD | |
| CN104368671A (en) | Male die used for reciprocating lever blanking die | |
| CN211437782U (en) | Side pressure forming structure of die | |
| CN206199986U (en) | Slide track seat punch-forming mold | |
| CN206898171U (en) | A kind of FPC wiring boards are uncapped cutting 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 |