CN1698994A - Minisize mould device for precise compound forming of minisize double gears - Google Patents
Minisize mould device for precise compound forming of minisize double gears Download PDFInfo
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- CN1698994A CN1698994A CN 200510010099 CN200510010099A CN1698994A CN 1698994 A CN1698994 A CN 1698994A CN 200510010099 CN200510010099 CN 200510010099 CN 200510010099 A CN200510010099 A CN 200510010099A CN 1698994 A CN1698994 A CN 1698994A
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Abstract
This invention discloses a mini die device used for precision forming mini double gears, which comprises die backer, top column, spring, slide block, cavity die 6, terrace die 16, drift guiding-sheathing, drift pin 11, spacing ring, electrical heating coil, ejector rod, up inlaid 8, up drift pin 13 and pin 7, wherein the cavity die 6 has gear shape cavity, the 8 is inserted on the upside of the 6 and has a same axial center with 6, at least two pins are set inside 6 and 8 horizontally to fix the position; 13 inserts to the center hole of 8, and its upside connects the lower surface of 11, on the lower surface of 8 has cavity 15 which has a same axial center with 6. The device can finish the gear shaping and double-gears assemblage at the same time.
Description
Technical field:
The present invention relates to a kind of Plastic Forming die device of minisize double gears.
Background technology:
Along with developing rapidly and the microminiaturization of precision instrument and equipment of mechanotronic, increasing to the demand of miniature parts (micron dimension), urgent especially especially for the miniature gears part demand of transmission.The microminiaturization of accessory size brings great difficulty for the processing of part, and the assembling of part is particularly difficult.Forming process that this just needs a kind of low cost of development, high-quality, high accuracy and can produce in batches, traditional retrofit technology has been difficult to satisfy these requirements, and the micro-plasticity forming technology produces under this background just and grows up.The micro-plasticity forming technology can be used for the processing of multiple material, and the part of formed thereby has advantages such as intensity height, long service life.Publication number is that CN1554499A, title are the micro-plasticity forming devices that the patent of invention of " the miniature floating die assembly device that is used for the miniature parts precision form " discloses a kind of miniature parts, the single part but this device can only be shaped, and can not carry out bidentate wheel as shown in Figure 1 whole Plastic Forming, use this device to make the bidentate wheel, also need to increase operations such as assembling, technology is loaded down with trivial details, and the processing cost of bidentate wheel is also than higher.
Summary of the invention:
The purpose of this invention is to provide a kind of minisize mould device that is used for precise compound forming of minisize double gears, adopt to overcome that existing device makes that bidentate wheel technology is loaded down with trivial details, the processing cost of bidentate wheel is than higher shortcoming.It comprises die holder 1, fore-set 2, spring 3, slide block 4, die 6, punch 16, drift guide pin bushing 9, drift 11, spacing ring 12, Electrothermal ring 18 and knock-pin 20, the center of die holder 1 has up big and down small step through hole 1-1, the lower end of step through hole 1-1 has screwed hole 1-1-1, the upper end of knock-pin 20 screws in screwed hole 1-1-1, the vertical section is the top that inverse-T-shaped fore-set 2 is arranged on knock-pin 20 among the step through hole 1-1, slide block 4 is enclosed within on the outer round surface of smaller diameter end of fore-set 2, spring 3 is arranged between the lower surface of the larger diameter end upper surface of fore-set 2 and slide block 4, die 6 is located at the top of step through hole 1-1 inner slide 4 and fore-set 2, punch 16 is arranged in the shape chamber 6-1 at die 6 centers, the lower end of drift guide pin bushing 9 is located in the top of step through hole 1-1, the upper end of drift guide pin bushing 9 is fixed on the upper surface of die holder 1 by its umbrella edge, the lower end of drift 11 is inserted in the drift guide pin bushing 9, be provided with spacing ring 12 between the last umbrella edge of drift 11 and the upper surface of drift guide pin bushing 9, Electrothermal ring 18 is wrapped on the outer round surface of die holder 1, it also comprises inserts 8, upper punch 13 and pin 7, the shape chamber 6-1 of die 6 is set to gear shape, on insert 8 be embedded in the upper surface of die 6 and with die 6 concentrics, at least two pins 7 of horizontal direction setting be inserted in die 6 and on insert make in 8 die 6 and on the fixed-site between 8 of inserting, upper punch 13 is inserted in 8 the centre bore inserted, the upper surface of upper punch 13 contacts with the lower surface of drift 11, on insert 8 rear surface have chamber 15, chamber 15 is concentric with die 6.When the present invention works, the gear 25 of completion of processing is put into chamber 15, the blank 14 of clavate inserted among the shape chamber 6-1 of insert 8 centre bore and die 6, Electrothermal ring 18 energising heating, drift 11 is stressed downwards, guide effect at drift guide pin bushing 9 presses down upper punch 13, make blank 14 distortion of clavate, fill the shape chamber 6-1 of die 6 and the endoporus of gear 25, because the shape chamber 6-1 of die 6 is exactly a gear shape, therefore directly fill out the lower end gear 27 in the bidentate wheel, the distortion of the blank 14 of clavate becomes one gear 25 and lower end gear 27 component location guides surely.Because device of the present invention is once finished the assembling of the shaping of lower end gear 27 and bidentate wheel, has saved the assembly process after processing, so operating efficiency is improved, and processing cost also reduces.The present invention has compact conformation, mould quality of fit height, guidance quality is good, cost is low, high efficiency, processing technology are simple, the advantage of stressed little, the multiple material that can be shaped of mould.
Description of drawings:
Fig. 1 is the structure for amplifying schematic diagram of the minisize double gears that processes of device of the present invention, Fig. 2 is a structural representation of the present invention, Fig. 3 be fore-set 2 among Fig. 2, gasket ring 17, slide block 4, die 6, punch 16, on insert 8, the syndeton enlarged diagram of upper punch 13 and pin 7.
The specific embodiment:
The specific embodiment one: specify present embodiment below in conjunction with Fig. 2 and Fig. 3.Present embodiment is by die holder 1, fore-set 2, spring 3, slide block 4, die 6, punch 16, drift guide pin bushing 9, drift 11, spacing ring 12, Electrothermal ring 18 and knock-pin 20, on insert 8, upper punch 13 and pin 7 are formed, the center of die holder 1 has up big and down small step through hole 1-1, the lower end of step through hole 1-1 has screwed hole 1-1-1, the upper end of knock-pin 20 screws in screwed hole 1-1-1, the vertical section is the top that inverse-T-shaped fore-set 2 is arranged on knock-pin 20 among the step through hole 1-1, slide block 4 is enclosed within on the outer round surface of smaller diameter end of fore-set 2, spring 3 is arranged between the lower surface of the larger diameter end upper surface of fore-set 2 and slide block 4, die 6 is located at the top of step through hole 1-1 inner slide 4 and fore-set 2, punch 16 is arranged in the shape chamber 6-1 at die 6 centers, the lower end of drift guide pin bushing 9 is located in the top of step through hole 1-1, the upper end of drift guide pin bushing 9 is fixed on the upper surface of die holder 1 by its umbrella edge, the lower end of drift 11 is inserted in the drift guide pin bushing 9, be provided with spacing ring 12 between the last umbrella edge of drift 11 and the upper surface of drift guide pin bushing 9, Electrothermal ring 18 is wrapped on the outer round surface of die holder 1, the shape chamber 6-1 of die 6 is set to gear shape, on insert 8 be embedded in the upper surface of die 6 and with die 6 concentrics, at least two pins 7 of horizontal direction setting be inserted in die 6 and on insert make in 8 die 6 and on the fixed-site between 8 of inserting, upper punch 13 is inserted in 8 the centre bore inserted, the upper surface of upper punch 13 contacts with the lower surface of drift 11, on insert 8 rear surface have chamber 15, chamber 15 is concentric with die 6.Present embodiment also has annular groove 15-1 in the upper surface of chamber 15, so be provided with, allow the diameter of bore of the gear 25 of completion of processing less than the diameter of annular groove 15-1, be filled into the diameter of the diameter of the blank 14 among the annular groove 15-1, can guarantee that gear 25 is more firm with 27 assemblings of lower end gear greater than annular groove 15-1.The thickness of spacing ring 12 can be controlled the mobile displacement of drift 11, thereby protection punch 16 makes it not damaged by pressure, also can play the effect of control blank 14 deformation extents simultaneously.
The specific embodiment two: specify present embodiment below in conjunction with Fig. 2 and Fig. 3.The difference of present embodiment and embodiment one is: it also comprises gasket ring 17, and gasket ring 17 is arranged between the upper surface of the lower surface of die 6 and fore-set 2.So be provided with, the shaping of minisize double gears is carried out for the precision that guarantees to be shaped can be divided into two steps.First step need be provided with gasket ring 17 in die device, this step is the preform stage.Mould, gear 25 and blank 14 assemblings are finished, and punch 16 is installed in the scallop of die 6 bottoms, and punch 16 has only fraction in die 6.The upper surface of gasket ring 17 contacts with the lower surface of die 6.The force application mechanism of former is pressed onto on the drift 11, and drift 11 is pressed onto upper punch 13, and upper punch 13 is pressed onto on the blank 14.Be punch 16 below the blank 14, and punch 16 is placed on the fore-set 2, can not move down.After blank 14 suffered pressure reached certain power value, blank 14 began to deform and fill in the die cavity of die 6.Along with the distortion of blank 14, upper punch 13 constantly enters into to be inserted in 8.On upper punch 13 enters fully, insert in 8, promptly the upper surface of upper punch 13 and on insert 8 upper end surface when same plane, the phase I of shaping finishes.The deformation extent of this stage blank 14 can be controlled by the length that upper punch 13 stretches out 8 outsides of inserting.Second step need be taken out gasket ring 17 from die device.The force application mechanism of former is pressed onto on the drift 11, and drift 11 is pressed onto on upper punch 13 and the die 6 simultaneously.Upper punch 13 is applied to power on the blank 14, and the following of blank 14 is punch 16, and punch 16 is placed on the fore-set 2 thereby cannot moves, the blank effect that can be stressed.Die 6 is placed on the slide block 4, and slide block 4 is supported by spring 3, and die 6 is passed to spring 3 with power by slide block 4, and spring 3 shrinks under pressure, thereby can move downward at the effect lower cavity die 6 of pressure.Along with the increase that applies the power value, blank 14 can deform, and upper punch 13 can move down, and the upper end surface of the upper surface of die 6 and upper punch 13 is in same plane, and die 6 is inevitable also can to move down.Blank 14 deforms and fills the die cavity of die 6, and die 6 moves down, and makes the frictional force of 14 of die 6 and blanks become the positive frictional force that helps being shaped.The motion of slide block 4 and die 6 is led by the working chamber of die holder 1.Along with the distortion of blank 14 contacts with the upper surface of gasket ring 17 up to the lower surface of die 6, finish forming process.Present embodiment both can be by being provided with or not being provided with the shaping work that gasket ring 17 is finished two steps, can also finish the shaping work of two steps by the mode that hassock ring or thin gasket ring are set, at this time the deformation extent of blank 14 is controlled by the thickness difference of two gasket rings in front and back.
The specific embodiment three: specify present embodiment below in conjunction with Fig. 3.The difference of present embodiment and embodiment one is: have the first blind hole 13-1 with upper punch 13 concentrics on the lower surface of upper punch 13, have the second blind hole 16-1 with punch 16 concentrics on the upper surface of punch 16.So be provided with, blank 14 is filled into the gear shaft that forms minisize double gears among the first blind hole 13-1 and the second blind hole 16-1 in deformation process, assembly work is more simplified.Present embodiment also can be placed thin axle in the first blind hole 13-1 and the second blind hole 16-1, this shaft extension certain length of portalling, this axle can be pressed in the blank 14 when being shaped, and utilizes the reaction force when being out of shape that axle is fixed in the miniature gears spare that will be shaped.The benefit of doing like this is when finishing the minisize double gears combined shaping, and axle also is shaped.
Minisize double gears precision form composite die of the present invention does not need special-purpose press device, both can use on baby press, can use on Material Testing Machine yet, has excellent adaptability.Importantly less demanding to the control accuracy of forcing press, forming process is guaranteed by the die device structure fully.Gear 25 can be shaped by technologies such as smart stamping-outs for sheet member, promptly can satisfy forming accuracy and can obtain higher working (machining) efficiency again.The shape and size precision of lower end gear 27 is guaranteed by die 6.Die 6 adopts high-precision process technology to shape, and dimensional accuracy is very high.The assembly precision of part can by on insert and 8 guarantee with the dimensional accuracy of die 6 quality of fits and 8 centre bores of inserting.These two part precision can guarantee to want the assembly precision of drip molding and performing member.And will be shaped and assemble two work steps by same set of mould and finish, can guarantee the uniformity of combined shaping minisize double gears.And other part of die device, as then not needing too high quality of fit between drift 11 and the drift fairlead 9.This can reduce the manufacturing cost of mould.The reference diameter 1.575mm of lower end gear 27 in the minisize double gears part that is shaped, modulus 0.175mm, the number of teeth is 9, thickness is 2.1mm; The reference diameter 4.725mm of gear 25, modulus 0.175mm, 27 of the numbers of teeth, transverse tooth thickness are 0.3mm, this part is a performing member.The forming accuracy of lower end gear 27 is guaranteed by the precision of die 6 that fully precision is ± 1 μ m.Die 6 thickness are 4mm, and punch 16 thickness are 3.7mm, and the fit clearance between die 6 and the punch 12 is 5 μ m.
Claims (4)
1, the minisize mould device that is used for precise compound forming of minisize double gears, it comprises die holder (1), fore-set (2), spring (3), slide block (4), die (6), punch (16), drift guide pin bushing (9), drift (11), spacing ring (12), Electrothermal ring (18) and knock-pin (20), the center of die holder (1) has up big and down small step through hole (1-1), the lower end of step through hole (1-1) has screwed hole (1-1-1), the upper end of knock-pin (20) screws in screwed hole (1-1-1), the vertical section is the top that inverse-T-shaped fore-set (2) is arranged on knock-pin (20) in the step through hole (1-1), slide block (4) is enclosed within on the outer round surface of smaller diameter end of fore-set (2), spring (3) is arranged between the lower surface of the larger diameter end upper surface of fore-set (2) and slide block (4), die (6) is located at the top of step through hole (1-1) inner slide (4) and fore-set (2), punch (16) is arranged in the shape chamber (6-1) at die (6) center, the lower end of drift guide pin bushing (9) is located in the top of step through hole (1-1), the upper end of drift guide pin bushing (9) is fixed on the upper surface of die holder (1) by its umbrella edge, the lower end of drift (11) is inserted in the drift guide pin bushing (9), be provided with spacing ring (12) between the last umbrella edge of drift (11) and the upper surface of drift guide pin bushing (9), Electrothermal ring (18) is wrapped on the outer round surface of die holder (1), it is characterized in that it also comprises insert (8), upper punch (13) and pin (7), the shape chamber (6-1) of die (6) is set to gear shape, on insert (8) be embedded in the upper surface of die (6) and with die (6) concentric, at least two pins (7) that horizontal direction is provided be inserted in die (6) and on insert make in (8) die (6) and on the fixed-site between (8) of inserting, upper punch (13) is inserted in the centre bore of insert (8), the upper surface of upper punch (13) contacts with the lower surface of drift (11), on the insert rear surface of (8) have chamber (15), chamber (15) is concentric with die (6).
2, the minisize mould device that is used for precise compound forming of minisize double gears according to claim 1 is characterized in that the upper surface of chamber (15) has annular groove (15-1).
3, the minisize mould device that is used for precise compound forming of minisize double gears according to claim 1 is characterized in that it also comprises gasket ring (17), and gasket ring (17) is arranged between the upper surface of the lower surface of die (6) and fore-set (2).
4, the minisize mould device that is used for precise compound forming of minisize double gears according to claim 1, it is characterized in that having on the lower surface of upper punch (13) first blind hole (13-1) with upper punch (13) concentric, have second blind hole (16-1) on the upper surface of punch (16) with punch (16) concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510010099 CN1284639C (en) | 2005-06-17 | 2005-06-17 | Minisize mould device for precise compound forming of minisize double gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510010099 CN1284639C (en) | 2005-06-17 | 2005-06-17 | Minisize mould device for precise compound forming of minisize double gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1698994A true CN1698994A (en) | 2005-11-23 |
| CN1284639C CN1284639C (en) | 2006-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510010099 Expired - Fee Related CN1284639C (en) | 2005-06-17 | 2005-06-17 | Minisize mould device for precise compound forming of minisize double gears |
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| Country | Link |
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| CN (1) | CN1284639C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733300B (en) * | 2009-12-04 | 2011-11-30 | 华中科技大学 | Self-positioning micro-extrusion die |
| CN102825165A (en) * | 2012-08-16 | 2012-12-19 | 南京理工大学 | Coining type plastic forming preparation method for miniature planar spring and preparation device for miniature planar spring |
| CN103817324A (en) * | 2014-01-22 | 2014-05-28 | 中国兵器工业第五二研究所 | Method for proportional compression and densification of Al-Si encapsulating material |
| CN106903247A (en) * | 2017-05-09 | 2017-06-30 | 哈尔滨工业大学（威海） | Miniature turbine disk building mortion and method |
| CN109047610A (en) * | 2018-07-24 | 2018-12-21 | 哈尔滨工业大学 | A kind of Ti alloy miniature gear pulse current auxiliary microsecond delay floating die assembly |
| CN109466107A (en) * | 2017-09-07 | 2019-03-15 | 日本电产株式会社 | Die holder seat surface fixture |
| CN113857338A (en) * | 2021-09-15 | 2021-12-31 | 台州市百达电器有限公司 | Caliper piston forming die |
-
2005
- 2005-06-17 CN CN 200510010099 patent/CN1284639C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733300B (en) * | 2009-12-04 | 2011-11-30 | 华中科技大学 | Self-positioning micro-extrusion die |
| CN102825165A (en) * | 2012-08-16 | 2012-12-19 | 南京理工大学 | Coining type plastic forming preparation method for miniature planar spring and preparation device for miniature planar spring |
| CN103817324A (en) * | 2014-01-22 | 2014-05-28 | 中国兵器工业第五二研究所 | Method for proportional compression and densification of Al-Si encapsulating material |
| CN106903247A (en) * | 2017-05-09 | 2017-06-30 | 哈尔滨工业大学（威海） | Miniature turbine disk building mortion and method |
| CN109466107A (en) * | 2017-09-07 | 2019-03-15 | 日本电产株式会社 | Die holder seat surface fixture |
| CN109047610A (en) * | 2018-07-24 | 2018-12-21 | 哈尔滨工业大学 | A kind of Ti alloy miniature gear pulse current auxiliary microsecond delay floating die assembly |
| CN113857338A (en) * | 2021-09-15 | 2021-12-31 | 台州市百达电器有限公司 | Caliper piston forming die |
| CN113857338B (en) * | 2021-09-15 | 2024-04-23 | 台州市百达电器有限公司 | Caliper piston forming die |
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| Publication number | Publication date |
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| CN1284639C (en) | 2006-11-15 |
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| C06 | Publication | ||
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Assignee: Yidu Tongxin Precision ForgingCo., Ltd. Assignor: Harbin Institute of Technology Contract record no.: 2010420000130 Denomination of invention: Minisize mould device for precise compound forming of minisize double gears Granted publication date: 20061115 License type: Exclusive License Open date: 20051123 Record date: 20100825 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061115 Termination date: 20210617 |