CN114558970A - Flange shaft warm forging process - Google Patents

Flange shaft warm forging process Download PDF

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Publication number
CN114558970A
CN114558970A CN202210241391.0A CN202210241391A CN114558970A CN 114558970 A CN114558970 A CN 114558970A CN 202210241391 A CN202210241391 A CN 202210241391A CN 114558970 A CN114558970 A CN 114558970A
Authority
CN
China
Prior art keywords
blank
dust removal
warm forging
die
heating
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.)
Pending
Application number
CN202210241391.0A
Other languages
Chinese (zh)
Inventor
宋银生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Dayang Precision Forging Co ltd
Original Assignee
Jiangsu Dayang Precision Forging Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Dayang Precision Forging Co ltd filed Critical Jiangsu Dayang Precision Forging Co ltd
Priority to CN202210241391.0A priority Critical patent/CN114558970A/en
Publication of CN114558970A publication Critical patent/CN114558970A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/08Upsetting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/002Hybrid process, e.g. forging following casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/06Making machine elements axles or shafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K29/00Arrangements for heating or cooling during processing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention relates to a flange shaft warm forging process, which comprises the following steps of; blanking: shearing and blanking a hot-drawn round steel bar; blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank; heating: dip-coating an anti-oxidation lubricant outside the blank, and heating the blank by using an intermediate-frequency heating device, wherein the heating temperature is controlled to be 600-950 ℃; upsetting: and (4) putting the top end of the blank prepared in the step (3) into a specific first extrusion die for upsetting and molding. This flange axle warm forging technology is preforming the stock, can collect the metal piece that processing produced through setting up dust removal subassembly to be convenient for utilize the metal piece of collection, and then reduce the processing cost, in addition, add man-hour to the stock, through the temperature of each link of accurate control, the better shaping quality of flange shaping effect that obtains is better.

Description

Flange shaft warm forging process
Technical Field
The invention relates to the technical field of warm forging processing of flange shafts, in particular to a warm forging process of a flange shaft.
Background
The warm forging is the die forging which is carried out by heating the die to the forging temperature of the metal, can fully utilize the plasticity of the metal, reduce the deformation resistance, can be forged by equipment with smaller tonnage, can form workpieces with complicated shapes, and is mainly used for processing aluminum alloy, titanium alloy and other high-temperature alloy forgings which are difficult to deform and have narrow deformation temperature range during die forging.
When the flange shaft is subjected to warm forging processing, the existing warm forging process is difficult to accurately control the forging temperature, the preheating temperature of a die and the forming speed, so that the problems of poor flange shaft forming efficiency, low quality of a prepared finished product and the like can occur, and the flange shaft warm forging process is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a flange shaft warm forging process, which has the advantages of high forging forming efficiency and quality and the like, and solves the problems that the existing warm forging process is difficult to accurately control the forging temperature, the mold preheating temperature and the forming speed, so that the flange shaft forming efficiency is poor and the quality of the prepared finished product is not high.
In order to achieve the purpose, the invention provides the following technical scheme: a flange shaft warm forging process comprises the following steps;
1) blanking: shearing and blanking a hot-drawn round steel bar;
2) blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank;
3) heating: dip-coating an anti-oxidation lubricant outside the blank, and heating the blank by using an intermediate-frequency heating device, wherein the heating temperature is controlled to be 600-950 ℃;
4) upsetting: placing the top end of the blank prepared in the step 3 into a specific first extrusion die for upsetting and molding, preheating the die before adding the blank, wherein the preheating temperature is 150-250 ℃, and the material molding speed is 5mm/s < -1 > -10 mm/s < -1 >;
5) reverse extrusion: putting the middle section of the blank prepared in the step 4 into a specific second extrusion die from a central hole, closing an upper female die and a lower female die to form a die cavity, and extruding the blank by an upper punch in the downward direction along the radial direction to form a primary finished product;
7) punching: placing the primary finished product on a punching table, and replacing a punching head with a certain size to perform quick punching;
8) cutting: and (4) cutting off leftover materials of the primary finished product obtained in the step (7) to obtain the final formed flange.
Further, gyro wheel fixed mounting is in the bottom of dust removal case, the filter screen passes through buckle structure movable mounting at the inside intermediate position of dust removal case, air pump fixed mounting is located the left side or the right side of filter screen in the inside of dust removal case, the intercommunication has corresponding dust absorption pipe and outlet duct on the dust removal case to be linked together with the gas outlet and the air inlet of air pump respectively.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this flange axle warm forging technology is preforming the stock, can collect the metal piece that processing produced through setting up dust removal subassembly to be convenient for utilize the metal piece of collection, and then reduce the processing cost, in addition, add man-hour to the stock, through the temperature of each link of accurate control, the better shaping quality of flange shaping effect that obtains is better.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, a flange shaft warm forging process comprises the following steps;
1) blanking: shearing and blanking a hot-drawn round steel bar;
2) blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank;
3) heating: dip-coating an anti-oxidation lubricant outside the blank, heating the blank by using an intermediate frequency heating device, and controlling the heating temperature to be 600-700 ℃, wherein the surface of the blank is hardly oxidized;
4) upsetting: placing the top end of the blank prepared in the step 3 into a specific first extrusion die for upsetting and molding, preheating the die before adding the blank, wherein the preheating temperature is 150 ℃, the material molding speed is 5mm/s < -1 >, and the blank molding efficiency is slow;
5) reverse extrusion: putting the middle section of the blank prepared in the step 4 into a specific second extrusion die from a central hole, closing an upper female die and a lower female die to form a die cavity, and extruding the blank by an upper punch in the downward direction along the radial direction to form a primary finished product;
7) punching: placing the primary finished product on a punching table, and replacing a punching head with a certain size to perform quick punching;
8) cutting: and (4) cutting off leftover materials of the primary finished product obtained in the step (7) to obtain the final formed flange.
In this embodiment, the piece that produces in step 1 to step 7 course of working is carried out the suction through the dust removal subassembly and is collected, and the dust removal subassembly includes the pipeline of dust removal case, gyro wheel, air pump, filter screen and the intercommunication that corresponds.
In this embodiment, gyro wheel fixed mounting is in the bottom of dust removal case, and the filter screen passes through buckle structure movable mounting in the inside intermediate position of dust removal case, and air pump fixed mounting is located the left side or the right side of filter screen in the inside of dust removal case, and the intercommunication has corresponding dust absorption pipe and outlet duct on the dust removal case to be linked together with the gas outlet and the air inlet of air pump respectively.
The processing data are analyzed and counted to obtain that when the heating temperature of the intermediate frequency heating device is controlled to be 600-700 ℃, the surface of the blank is hardly oxidized, the quality of the flange after forming is poor, the preheating temperature of the die is 150 ℃, the forming speed of the material is 5mm/s < -1 >, and the forming efficiency of the blank is slow.
In the second embodiment, the flange shaft warm forging process comprises the following steps;
1) blanking: shearing and blanking a hot-drawn round steel bar;
2) blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank;
3) heating: dip-coating an anti-oxidation lubricant outside the blank, heating the blank by using an intermediate frequency heating device, and when the heating temperature is controlled to be 900-950 ℃, the surface of the blank begins to be strongly oxidized;
4) upsetting: placing the top end of the blank prepared in the step 3 into a specific first extrusion die for upsetting and molding, preheating the die before adding the blank, wherein the preheating temperature is 200 ℃, the material molding speed is 7.5mm/s < -1 >, and the blank molding efficiency is medium;
5) reverse extrusion: putting the middle section of the blank prepared in the step 4 into a specific second extrusion die from a central hole, closing an upper female die and a lower female die to form a die cavity, and extruding the blank along the radial direction by an upper punch to form a primary finished product;
7) punching: placing the primary finished product on a punching table, and replacing a punching head with a certain size to perform quick punching;
8) cutting: and (4) cutting off leftover materials of the primary finished product obtained in the step (7) to obtain the final formed flange.
In this embodiment, the piece that produces in step 1 to step 7 course of working is carried out the suction through the dust removal subassembly and is collected, and the dust removal subassembly includes the pipeline of dust removal case, gyro wheel, air pump, filter screen and the intercommunication that corresponds.
In this embodiment, gyro wheel fixed mounting is in the bottom of dust removal case, and the filter screen passes through buckle structure movable mounting in the inside intermediate position of dust removal case, and air pump fixed mounting is located the left side or the right side of filter screen in the inside of dust removal case, and the intercommunication has corresponding dust absorption pipe and outlet duct on the dust removal case to be linked together with the gas outlet and the air inlet of air pump respectively.
The processing data are analyzed and counted to obtain that when the heating temperature of the intermediate frequency heating device is controlled to be 900-950 ℃, the surface of the blank is hardly oxidized, the quality of the flange after forming is poor, the preheating temperature of a die is 200 ℃, the forming speed of the material is 7.5mm/s < -1 >, and the forming efficiency of the blank is medium.
In the third embodiment, the flange shaft warm forging process comprises the following steps;
1) blanking: shearing and blanking a hot-drawn round steel bar;
2) blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank;
3) heating: dip-coating an anti-oxidation lubricant outside the blank, heating the blank by using an intermediate frequency heating device, and only slightly oxidizing the surface of the blank when the heating temperature is controlled at 800 ℃;
4) upsetting: placing the top end of the blank prepared in the step 3 into a specific first extrusion die for upsetting and molding, preheating the die before adding the blank, wherein the preheating temperature is 250 ℃, the material molding speed is 10mm/s < -1 >, and the blank molding efficiency is good;
5) reverse extrusion: putting the middle section of the blank prepared in the step 4 into a specific second extrusion die from a central hole, closing an upper female die and a lower female die to form a die cavity, and extruding the blank by an upper punch in the downward direction along the radial direction to form a primary finished product;
7) punching: placing the primary finished product on a punching table, and replacing a punching head with a certain size to perform quick punching;
8) cutting: and (4) cutting off leftover materials of the primary finished product obtained in the step (7) to obtain the final formed flange.
In this embodiment, the piece that produces in step 1 to step 7 course of working pumps through the dust removal subassembly and collects, the dust removal subassembly includes the dust removal case, the gyro wheel, the air pump, the pipeline of the intercommunication of filter screen and correspondence, gyro wheel fixed mounting is in the bottom of dust removal case, the filter screen passes through buckle structure movable mounting in the inside intermediate position of dust removal case, air pump fixed mounting is located the left side or the right side of filter screen in the inside of dust removal case, the intercommunication has corresponding dust absorption pipe and outlet duct on the dust removal case, and be linked together with the gas outlet and the air inlet of air pump respectively.
Specifically, realize the piece suction that will process the production to the dust removal incasement through setting up the air pump to filter carrying clastic gas through the filter screen, the piece after the filtration is collected at the dust removal incasement, and then is convenient for collect the piece and utilize, reduce the processing cost.
The processing data are analyzed and counted to obtain that when the heating temperature of the intermediate frequency heating device is controlled to be 800 ℃, the surface of the blank is hardly oxidized, the quality of the flange after forming is good, the preheating temperature of the die is 250 ℃, the forming speed of the material is 10mm/s < -1 >, and the forming efficiency of the blank is good.
It should be noted that, the electrical components presented herein are all electrically connected to the controller and the power supply, the control mode of the present invention is controlled by the controller, the control circuit of the controller can be realized by simple programming by those skilled in the art, the supply of the power supply is also common knowledge in the art, and the present invention is mainly used to protect the mechanical device, so the control mode and the circuit connection are not explained in detail in the present invention.
The invention has the beneficial effects that:
preforming is being carried out the stock, can collect the metal piece that processing produced through setting up dust removal subassembly to be convenient for utilize the metal piece of collection, and then reduce the processing cost, in addition, add man-hour to the stock, through the temperature of each link of accurate control, the better shaping quality of flange shaping effect that obtains is better.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The warm forging process of the flange shaft is characterized by comprising the following steps of;
1) blanking: cutting and blanking a hot-drawn round steel bar;
2) blank preparation: performing coarse sand blasting by using a shot blasting machine, removing impurities such as oxide skins on the surface of the bar, cleaning, and drying water stains outside the bar at a certain temperature to obtain a blank;
3) heating: dip-coating an anti-oxidation lubricant outside the blank, and heating the blank by using an intermediate-frequency heating device, wherein the heating temperature is controlled to be 600-950 ℃;
4) upsetting: placing the top end of the blank prepared in the step 3 into a specific first extrusion die for upsetting and molding, preheating the die before adding the blank, wherein the preheating temperature is 150-250 ℃, and the material molding speed is 5mm/s < -1 > -10 mm/s < -1 >;
5) reverse extrusion: putting the middle section of the blank prepared in the step 4 into a specific second extrusion die from a central hole, closing an upper female die and a lower female die to form a die cavity, and extruding the blank by an upper punch in the downward direction along the radial direction to form a primary finished product;
7) punching: placing the primary finished product on a punching table, and replacing a punching head with a certain size to perform quick punching;
8) cutting: and (4) cutting off leftover materials of the primary finished product obtained in the step (7) to obtain the final formed flange.
2. The warm forging process for the flange shaft according to claim 1, wherein the warm forging process comprises the following steps: the chips generated in the processing process of the steps 1 to 7 are sucked and collected through the dust removal assembly, and the dust removal assembly comprises a dust removal box, rollers, an air pump, a filter screen and a corresponding communicated pipeline.
3. The flange shaft warm forging process according to claim 2, characterized in that: gyro wheel fixed mounting is in the bottom of dust removal case, the filter screen passes through buckle structure movable mounting at the inside intermediate position of dust removal case, air pump fixed mounting is located the left side or the right side of filter screen in the inside of dust removal case, the intercommunication has corresponding dust absorption pipe and outlet duct on the dust removal case to be linked together with the gas outlet and the air inlet of air pump respectively.
4. The flange shaft warm forging process according to claim 1, characterized in that: the preheating temperature of the die in the steps 4 to 6 is 150-250 ℃, and the material forming speed is 5mm/s < -1 > -10 mm/s < -1 >.
CN202210241391.0A 2022-03-11 2022-03-11 Flange shaft warm forging process Pending CN114558970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210241391.0A CN114558970A (en) 2022-03-11 2022-03-11 Flange shaft warm forging process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210241391.0A CN114558970A (en) 2022-03-11 2022-03-11 Flange shaft warm forging process

Publications (1)

Publication Number Publication Date
CN114558970A true CN114558970A (en) 2022-05-31

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06190490A (en) * 1992-12-25 1994-07-12 Aichi Steel Works Ltd Manufacture of hollow shaftlike forging product with flange
CN102284669A (en) * 2011-06-19 2011-12-21 江苏森威精锻有限公司 Precise forming process of flange shaft
CN105436371A (en) * 2015-12-23 2016-03-30 太仓久信精密模具股份有限公司 Warm-forging forming process of transmission input shaft
CN106736323A (en) * 2017-01-23 2017-05-31 江苏创汽车零部件有限公司 A kind of warm forging forming technology of output flange axle
CN107263021A (en) * 2017-05-09 2017-10-20 江苏创汽车零部件有限公司 A kind of duplex forging moulding process of sliding sleeve
CN208811524U (en) * 2018-09-13 2019-05-03 沈阳合诺德机械设备有限公司 A kind of porous processing unit (plant) of production flange shaft
CN209145627U (en) * 2018-11-19 2019-07-23 河南工业和信息化职业学院 A kind of coal mine device for reducing dust
CN209753777U (en) * 2019-01-24 2019-12-10 黄锦辉 Punching device is used in production of car flange axle
CN210206318U (en) * 2019-05-30 2020-03-31 马鞍山科宇环境工程有限公司 Dust collector who matches with structural slab cutting
CN211562358U (en) * 2019-12-27 2020-09-25 深圳市焕升建筑工程有限公司 Energy-concerving and environment-protective type dust collector for building engineering construction
CN212594763U (en) * 2020-06-05 2021-02-26 芜湖县伯特利电器有限公司 Portable mould processing dust collector
CN112570552A (en) * 2020-11-25 2021-03-30 苏州拓达精密机械有限公司 Punching device for flange production
CN213728842U (en) * 2020-11-23 2021-07-20 陕西祥合机电科技有限公司 Novel automatic punching device for flange shaft machining
CN214517044U (en) * 2020-11-02 2021-10-29 江苏力野精工科技有限公司 Punching device for machining automobile flange shaft

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06190490A (en) * 1992-12-25 1994-07-12 Aichi Steel Works Ltd Manufacture of hollow shaftlike forging product with flange
CN102284669A (en) * 2011-06-19 2011-12-21 江苏森威精锻有限公司 Precise forming process of flange shaft
CN105436371A (en) * 2015-12-23 2016-03-30 太仓久信精密模具股份有限公司 Warm-forging forming process of transmission input shaft
CN106736323A (en) * 2017-01-23 2017-05-31 江苏创汽车零部件有限公司 A kind of warm forging forming technology of output flange axle
CN107263021A (en) * 2017-05-09 2017-10-20 江苏创汽车零部件有限公司 A kind of duplex forging moulding process of sliding sleeve
CN208811524U (en) * 2018-09-13 2019-05-03 沈阳合诺德机械设备有限公司 A kind of porous processing unit (plant) of production flange shaft
CN209145627U (en) * 2018-11-19 2019-07-23 河南工业和信息化职业学院 A kind of coal mine device for reducing dust
CN209753777U (en) * 2019-01-24 2019-12-10 黄锦辉 Punching device is used in production of car flange axle
CN210206318U (en) * 2019-05-30 2020-03-31 马鞍山科宇环境工程有限公司 Dust collector who matches with structural slab cutting
CN211562358U (en) * 2019-12-27 2020-09-25 深圳市焕升建筑工程有限公司 Energy-concerving and environment-protective type dust collector for building engineering construction
CN212594763U (en) * 2020-06-05 2021-02-26 芜湖县伯特利电器有限公司 Portable mould processing dust collector
CN214517044U (en) * 2020-11-02 2021-10-29 江苏力野精工科技有限公司 Punching device for machining automobile flange shaft
CN213728842U (en) * 2020-11-23 2021-07-20 陕西祥合机电科技有限公司 Novel automatic punching device for flange shaft machining
CN112570552A (en) * 2020-11-25 2021-03-30 苏州拓达精密机械有限公司 Punching device for flange production

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