CN203170891U - Closed hot forging forming device of generator claw pole for automobile - Google Patents

Closed hot forging forming device of generator claw pole for automobile Download PDF

Info

Publication number
CN203170891U
CN203170891U CN 201320178807 CN201320178807U CN203170891U CN 203170891 U CN203170891 U CN 203170891U CN 201320178807 CN201320178807 CN 201320178807 CN 201320178807 U CN201320178807 U CN 201320178807U CN 203170891 U CN203170891 U CN 203170891U
Authority
CN
China
Prior art keywords
counterdie
die
mandrel
tooth
profile
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
CN 201320178807
Other languages
Chinese (zh)
Inventor
杨程
章建军
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.)
Xian University of Architecture and Technology
Original Assignee
Xian University of Architecture and Technology
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 Xian University of Architecture and Technology filed Critical Xian University of Architecture and Technology
Priority to CN 201320178807 priority Critical patent/CN203170891U/en
Application granted granted Critical
Publication of CN203170891U publication Critical patent/CN203170891U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a closed hot forging forming device of a generator claw pole for an automobile. The closed hot forging forming device comprises a toothed upper terrace die, wherein the toothed upper terrace die is fixed with an upper die holder; a lower die is fixed with the lower die holder through a lower die fixed plate; a floating outer die is sleeved on the lower die; the bottom of the floating outer die is connected with the lower die fixed plate through a spring for bearing a pre-pressure; a fixed seat is sleeved on the floating outer die, and is fixed with the lower die holder through a screw nail; a central spindle for bearing the back pressure is arranged inside the central hole of the lower die; a limited block is arranged between the lower part of the lower die holder and the central spindle; the position of the central spindle in the lower die is controlled through the limited block; a middle pin bolt is inserted in the central spindle and the central hole of the toothed upper terrace die for positioning blank and ensuring the size of the central hole of a forged piece; the annular blank is firstly extruded into a toothed middle piece by a radial upsetting device in a sealed die cavity; and the toothed middle piece is further shaped into a claw pole forged piece. The device of the closed hot forging forming device can form the claw pole forged piece one time, and has the advantages of being simple in working procedures, short in production period, high in material utilization rate and high in product precision.

Description

A kind of electric generators for automobile pawl utmost point enclosed hot forging forming device
Technical field
The utility model relates to automobile claw pole fine forging technology field, particularly a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device.
Background technology
At present, the manufacturing process of the electric generators for automobile pawl utmost point both domestic and external has heat, gentle cold die forging, generally all need 5~9 independent forming processes, as blanking, heating, jumping-up, blocking, finish-forging, side cut etc., also need to add some intermediate treatment between these operations, as annealing, phase transformation processing and finishing etc., each operation all needs independent former, so the pawl utmost point is made long-term existence and complex procedures, the production cycle is long, the problem that stock utilization is low.
Along with increasingly sharpening of manufacturing industry competition, the product of efficient, precision, low consumption, high-quality has become the main flow pursuit that manufacturing industry improves competitive power of product.
The utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device, and is simple in structure, and claw pole forging energy once-forming is with short production cycle, stock utilization height, product precision height.
In order to achieve the above object, the technical scheme taked of the utility model is:
A kind of electric generators for automobile pawl utmost point enclosed hot forging forming device, comprise punch 12 on the profile of tooth, punch 12 and upper bolster are fixed on the profile of tooth, counterdie 7 is fixing by counterdie fixed head 10 and die shoe 9, the external mold 6 that floats is enclosed within the outside of counterdie 7, the bottom of unsteady external mold 6 is connected with counterdie fixed head 10 by the spring 11 that bears precompression, holder 4 is enclosed within the outside of the external mold 6 that floats, fixing by screw and die shoe 9, the mandrel 8 that bears back pressure is contained in the centre bore of counterdie 7, limited block 13 is installed between the following and mandrel 8 of die shoe 9, by limited block 13 positions of control mandrel 8 in counterdie 7, middle pin 5 is inserted in the centre bore of punch 12 on mandrel 8 and the profile of tooth, is used for the size to blank location and assurance forging centre bore.
Described holder 4, its stepped hole 4a are used for the float position of external mold 6 of restriction, can allow punch 12 passes through on the profile of tooth simultaneously; The external cylindrical surface 6b of its endoporus 4b and unsteady external mold 6 cooperates.
Punch 12, counterdie 7 and mandrel 8 cooperate and form near closed hollow ring on the described unsteady external mold 6, its endoporus 6a and profile of tooth; Its profile 6b and holder 4 endoporus 4b cooperate.
Described counterdie 7, its standing part are ledge structure 7a, and be fixing by counterdie fixed head 10 and die shoe 9; Blade tooth groove 7c on the external cylindrical surface and unsteady external mold 6 cooperate the blade tooth die cavity that forms sealing; Splitter box 7b leaves at the top of blade tooth groove 7c, is used for retaining unnecessary blank; The centre bore 7d of counterdie 7 is used for placing mandrel 8; Punch 12 cooperates on toothed projections 7e and unsteady external mold 6 and the profile of tooth, control blank flowing in die cavity.
Described mandrel 8, its cylindrical step 8a and limited block 13 cooperate, and bear the mandrel 8 of back pressure in the position of counterdie 7 for limiting the shaping initial stage; The centre bore 7d of face of cylinder 8b and counterdie 7 cooperates, and is used for the middle boss of shaping claw pole forging 3; Pin 5 in the middle of placing among the centre bore 8c is for the size that cylinder blank 1 is positioned and guarantees claw pole forging 3 centre bores.
Punch 12 on the described profile of tooth, and its standing part is ledge structure 12a, are used for fixing with upper bolster; Junction of the edges of two sheets of paper pin-and-hole 12b processing prevents that punch 12 rotates on the profile of tooth in forming process on ledge structure 12a; Toothed projections 12c and unsteady external mold 6 and counterdie 7 cooperate, and form near closed hollow ring, control flowing of blank; Centre bore 12d is used for and middle pin 5 cooperates.
Described limited block 13, its inner surface are semi-round ring shape 13a, are used for and mandrel 8 cooperations, and limited block 13 when finishing when being shaped, is taken off in the position of mandrel 8 in counterdie 7 in the restriction forming process, utilizes mandrel 8 to eject claw pole forging 3.
Advantage of the present utility model: simple in structure, pawl utmost point part energy once-forming, with short production cycle, stock utilization height, product precision height.
Description of drawings
Fig. 1 is the structural representation of the utility model building mortion.
Fig. 2 is the structural representation of the utility model holder 4.
Fig. 3 is the structural representation of the unsteady external mold 6 of the utility model.
Fig. 4 is the structural representation of the utility model counterdie 7.
Fig. 5 is the structural representation of the utility model mandrel 8.
Fig. 6 is the structural representation of punch 12 on the utility model profile of tooth.
Fig. 7 is the structural representation of the utility model limited block 13.
Fig. 8 is fundamental diagram of the present utility model.
Specific embodiments
Below in conjunction with accompanying drawing the utility model is described in detail.
With reference to Fig. 1, a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device, comprise punch 12 on the profile of tooth, punch 12 and upper bolster are fixed on the profile of tooth, counterdie 7 is fixing by counterdie fixed head 10 and die shoe 9, the external mold 6 that floats is enclosed within the outside of counterdie 7, the bottom of unsteady external mold 6 is connected with counterdie fixed head 10 by the spring 11 that bears precompression, holder 4 is enclosed within the outside of the external mold 6 that floats, fixing by screw and die shoe 9, the mandrel 8 that bears back pressure is contained in the centre bore of counterdie 7, limited block 13 is installed between the following and mandrel 8 of die shoe 9, by limited block 13 positions of control mandrel 8 in counterdie 7, middle pin 5 is inserted in the centre bore of punch 12 on mandrel 8 and the profile of tooth, is used for the size to blank location and assurance forging centre bore.
With reference to Fig. 2, described holder 4, its stepped hole 4a are used for the float position of external mold 6 of restriction, can allow punch 12 passes through on the profile of tooth simultaneously; The external cylindrical surface 6b of its endoporus 4b and unsteady external mold 6 cooperates.
With reference to Fig. 3, described unsteady external mold 6, punch 12, counterdie 7 and mandrel 8 cooperate and form near closed hollow ring on its endoporus 6a and the profile of tooth; Its profile 6b and holder 4 endoporus 4b cooperate.
With reference to Fig. 4, described counterdie 7, its standing part are ledge structure 7a, and be fixing by counterdie fixed head 10 and die shoe 9; Blade tooth groove 7c on the external cylindrical surface and unsteady external mold 6 cooperate the blade tooth die cavity that forms sealing; Splitter box 7b leaves at the top of blade tooth groove 7c, is used for retaining unnecessary blank; The centre bore 7d of counterdie 7 is used for placing mandrel 8; Punch 12 cooperates on toothed projections 7e and unsteady external mold 6 and the profile of tooth, control blank flowing in die cavity.
With reference to Fig. 5, described mandrel 8, its cylindrical step 8a and limited block 13 cooperate, and are used for restriction shaping initial stage mandrel 8 in the position of counterdie 7; The centre bore 7d of face of cylinder 8b and counterdie 7 cooperates, and is used for the middle boss of shaping claw pole forging 3; Pin 5 in the middle of placing among the centre bore 8c is used for cylinder blank 1 is positioned and the centre bore of the claw pole forging 3 that is shaped.
With reference to Fig. 6, punch 12 on the described profile of tooth, and its standing part is ledge structure 12a, are used for fixing with upper bolster; Junction of the edges of two sheets of paper pin-and-hole 12b processing prevents that punch 12 rotates on the profile of tooth in forming process on ledge structure 12a; Toothed projections 12c and unsteady external mold 6 and counterdie 7 cooperate, and form near closed hollow ring, control flowing of blank; Centre bore 12d is used for and middle pin 5 cooperates.
With reference to Fig. 7, described limited block 13, its inner surface are semi-round ring shape 13a, be used for and mandrel cooperates, the position of mandrel in counterdie in the restriction forming process, when finishing when being shaped, take off limited block 13 after, mandrel 8 ejects claw pole forging 3.
Operation principle of the present utility model is:
With reference to Fig. 8, circular material blank 1 is earlier become profile of tooth middleware 2 by upsetting squeeze radially in the die cavity of sealing, profile of tooth middleware 2 further is shaped to claw pole forging 3, specifically: be placed on the counterdie 7 after pure iron or mild steel is heated to 1100 ℃~1200 ℃ as raw-material circular material blank 1; Punch 12 is depressed on the profile of tooth, behind unsteady external mold 6, counterdie 7 and mandrel 8 formation near closed hollow rings, circular material blank 1 is shaped, because mandrel 8 bears back pressure P2, shaping initial stage die cavity internal pressure is less, and mandrel 8 stands fast, and circular material blank 1 is become profile of tooth middleware 2 by upsetting squeeze radially; Along with further depressing of punch on the profile of tooth 12, the die cavity internal pressure continues to increase, behind the back pressure P2 that bears greater than mandrel 8, mandrel 8 is forced to retreat, blank flows among the centre bore 7d and blade tooth groove 7c of counterdie 7, be formed separately out middle boss and the blade tooth of claw pole forging 3, but the speed of the centre bore 7d of blank inflow counterdie 7 can be lower than the speed that flows into blade tooth groove 7c under the effect of back pressure; The external mold 6 that floats this moment is descending under the promotion of punch on the profile of tooth 12, utilizes the filling of the downward frictional force promotion blade tooth groove 7c of the 6 pairs of blanks of external mold that float; Boss and the blade tooth of last claw pole forging 3 are full of simultaneously, and a small amount of blank is squeezed in the counterdie 7 among the splitter box 7b, has avoided the rapid rising of load; Take off limited block 13, punch 12 backhauls on the profile of tooth utilize mandrel 8 to eject claw pole forging 3.

Claims (7)

1. electric generators for automobile pawl utmost point enclosed hot forging forming device, comprise punch on the profile of tooth (12), it is characterized in that: punch on the profile of tooth (12) and upper bolster are fixed, counterdie (7) is fixing by counterdie fixed head (10) and die shoe (9), the external mold (6) that floats is enclosed within the outside of counterdie (7), the bottom of unsteady external mold (6) is connected with counterdie fixed head (10) by the spring (11) that bears precompression, holder (4) is enclosed within the outside of unsteady external mold (6), fixing by screw and die shoe (9), the mandrel (8) that bears back pressure is contained in the centre bore of counterdie (7), limited block (13) is installed between the following and mandrel (8) of die shoe (9), by the position of limited block (13) control mandrel (8) in counterdie (7), middle pin (5) is inserted in the centre bore of punch (12) on mandrel (8) and the profile of tooth.
2. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: described holder (4), its stepped hole (4a) is used for the float position of external mold (6) of restriction, can allow punch (12) passes through on the profile of tooth simultaneously; The external cylindrical surface (6b) of its endoporus (4b) and unsteady external mold (6) cooperates.
3. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: punch (12), counterdie (7) and mandrel (8) cooperate and form near closed hollow ring on the described unsteady external mold (6), its endoporus (6a) and profile of tooth; Its profile (6b) and holder (4) endoporus (4b) cooperate.
4. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: described counterdie (7), its standing part are ledge structure (7a), and be fixing by counterdie fixed head (10) and die shoe (9); Blade tooth groove (7c) on the external cylindrical surface and unsteady external mold (6) cooperate the blade tooth die cavity that forms sealing; Splitter box (7b) leaves at the top of blade tooth groove (7c), is used for retaining unnecessary blank; The centre bore (7d) of counterdie (7) is used for placing mandrel (8); Punch (12) cooperates on toothed projections (7e) and unsteady external mold (6) and the profile of tooth, control blank flowing in die cavity.
5. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: described mandrel (8), its cylindrical step (8a) and limited block (13) cooperate, and bear the mandrel (8) of back pressure in the position of counterdie (7) for limiting the shaping initial stage; The centre bore (7d) of the face of cylinder (8b) and counterdie (7) cooperates, and is used for the middle boss of shaping claw pole forging (3); Pin (5) in the middle of placing in the centre bore (8c) is for the size that cylinder blank (1) is positioned and guarantees the centre bore of claw pole forging (3).
6. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: punch on the described profile of tooth (12), its standing part are ledge structure (12a), are used for and upper bolster is fixed; Junction of the edges of two sheets of paper pin-and-hole (12b) processing prevents that punch on the profile of tooth (12) from rotating in forming process on ledge structure (12a); Toothed projections (12c) and unsteady external mold (6) and counterdie (7) cooperate, and form near closed hollow ring, control flowing of blank; Centre bore (12d) is used for and middle pin (5) cooperates.
7. a kind of electric generators for automobile pawl utmost point enclosed hot forging forming device according to claim 1, it is characterized in that: described limited block (13), its inner surface is semi-round ring shape (13a), be used for and mandrel (8) cooperation, the position of mandrel (8) in counterdie (7) in the restriction forming process, when be shaped finishing, take off limited block (13) after, mandrel (8) ejects claw pole forging (3).
CN 201320178807 2013-04-10 2013-04-10 Closed hot forging forming device of generator claw pole for automobile Expired - Fee Related CN203170891U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320178807 CN203170891U (en) 2013-04-10 2013-04-10 Closed hot forging forming device of generator claw pole for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320178807 CN203170891U (en) 2013-04-10 2013-04-10 Closed hot forging forming device of generator claw pole for automobile

Publications (1)

Publication Number Publication Date
CN203170891U true CN203170891U (en) 2013-09-04

Family

ID=49067646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320178807 Expired - Fee Related CN203170891U (en) 2013-04-10 2013-04-10 Closed hot forging forming device of generator claw pole for automobile

Country Status (1)

Country Link
CN (1) CN203170891U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192015A (en) * 2013-04-10 2013-07-10 西安建筑科技大学 Automotive alternator claw-pole closed-type hot-forging device and process thereof
CN104525605A (en) * 2014-12-04 2015-04-22 汪超 Die for making automobile alternator claw-pole
CN104625658A (en) * 2015-03-06 2015-05-20 武汉理工大学 Flattening forming process for low-load medium-thick plates
CN107150100A (en) * 2017-06-24 2017-09-12 芜湖德丰汽车零部件有限公司 A kind of double forges equipment automatically
CN108067574A (en) * 2016-11-18 2018-05-25 内蒙古万鼎科技有限公司 A kind of pressure forming apparatus and pressure forming method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192015A (en) * 2013-04-10 2013-07-10 西安建筑科技大学 Automotive alternator claw-pole closed-type hot-forging device and process thereof
CN103192015B (en) * 2013-04-10 2015-03-11 西安建筑科技大学 Automotive alternator claw-pole closed-type hot-forging device and process thereof
CN104525605A (en) * 2014-12-04 2015-04-22 汪超 Die for making automobile alternator claw-pole
CN104625658A (en) * 2015-03-06 2015-05-20 武汉理工大学 Flattening forming process for low-load medium-thick plates
CN108067574A (en) * 2016-11-18 2018-05-25 内蒙古万鼎科技有限公司 A kind of pressure forming apparatus and pressure forming method
CN108067574B (en) * 2016-11-18 2019-09-13 内蒙古万鼎科技有限公司 A kind of pressure forming apparatus and pressure forming method
CN107150100A (en) * 2017-06-24 2017-09-12 芜湖德丰汽车零部件有限公司 A kind of double forges equipment automatically

Similar Documents

Publication Publication Date Title
CN203170891U (en) Closed hot forging forming device of generator claw pole for automobile
CN103192015B (en) Automotive alternator claw-pole closed-type hot-forging device and process thereof
CN203437575U (en) Floating gear finishing forging die
CN204262265U (en) Double flange track roller forging mold
CN202447572U (en) Large high-neck flange forging and rolling die
CN103157740B (en) Straight gear precise forging technology based on flow control forming principle and die
CN101920301B (en) Suspension type upsetting material gathering die structure
CN205043062U (en) Hot -forging dies utensil and go up mould thereof
CN204451243U (en) Numerical control double acting molding press
CN207464079U (en) A kind of accumulator piston forging blank forging mold
CN201720394U (en) Hollow, large-scale and columnar sand core mould
CN203265502U (en) Hot forging device for transmission shaft joint fork with horizontal fork part
CN103192016B (en) Asymmetric large-diameter straight spur gear cold precision forming device
CN103658500A (en) Precise warm forging one-time forming new technology of straight tooth cylinder inner gear
CN204565028U (en) Two flange forge piece forming combination die
CN205763107U (en) A kind of can the mould of spinning die
CN202877385U (en) Inwards and outwards flanging forming die for sealed cap
CN109590426A (en) The blank mold structure of automobile engine using new energy resources gear shaft enclosed forging and forming
CN205798300U (en) The closed forging mold of crane running wheel
CN202097338U (en) Tooling for engineering machinery ring unit with inner bosses
CN103230951A (en) Hot extrusion forming method of light alloy horn-shaped pipe fitting
CN204093964U (en) A kind of simple forming mould
CN203764670U (en) Cold extrusion die of drive countershaft
CN202934067U (en) Forging die of TC4 alloy large-scale drum forge piece
CN203426355U (en) Die for hot forging flange circular shaft

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130904

Termination date: 20150410