CN105689619A - Forming method for forging hot-extrusion through hole in working clip - Google Patents
Forming method for forging hot-extrusion through hole in working clip Download PDFInfo
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- CN105689619A CN105689619A CN201410700992.9A CN201410700992A CN105689619A CN 105689619 A CN105689619 A CN 105689619A CN 201410700992 A CN201410700992 A CN 201410700992A CN 105689619 A CN105689619 A CN 105689619A
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Abstract
The invention discloses a forming method for forging a hot-extrusion through hole in a working clip. An upper die plate, a lower die plate and a pulling plate are included. A die shank is installed on the upper die plate. A male die is installed on the die shank. Two discharge rods are installed on the lower die plate. A discharge plate is installed on the discharge rods. Springs which are in a compressed state are arranged on the parts, between the discharge plate and the lower die plate, of the discharge rods in a sleevinng mode. A male die sleeve is installed on the discharge plate. A female die matched with the male die is further installed on the lower die plate. The male die and the male die sleeve are firstly matched to be centered and then enter the female die together for hole punching and shaping, so that eccentricity of products is prevented; adjusted height can be completely maintained, so that the effect that a workpiece meets the technique requirements after shaping is ensured; the male die carries the workpiece to ascend after shaping, and discharge is completed through separation of the male die and the male die sleeve after the male die reaches a set position. Compared with existing techniques, the usage amount of raw materials is reduced, the machining procedures are reduced, and the purpose of reducing cost by about 20% is achieved.
Description
Technical field
The present invention relates to the mould that a kind of Forging Technology uses, specifically refer to the forming method of hammered work intermediate plate hot extrusion through hole。
Background technology
Along with the development of prestressing technique, intermediate plate anchor proportion in prestress engineering is increasing, and consumption sharply increases, and time anchor clipper most important in intermediate plate anchor, that consumption is maximum。Anchor clipper is for the clamping presstressed reinforcing steel when anchoring the deformed bar determining prestressed concrete member, and he is widely used in the construction such as different types of rridges road skyscraper。It is adopt round bar that current each prestressing force manufacturer produces the traditional handicraft of anchor clipper, then carries out splitting the operations such as end face, turning hole, boring, finish turning endoporus, processing hole taper, tapping thread, car external taper, cutting, heat treatment and sandblasting。Blasting treatment process after heat treatment is little to impact and the shear action power of surface of the work, causes inefficiency, and the workpiece surface quality after process is poor。
Summary of the invention
It is an object of the invention to provide the forming method of hammered work intermediate plate hot extrusion through hole, coordinate processing technique, substitute the method that machining manufactures anchor work clip sheet, reach to reduce raw-material consumption, reduce machining processes, reduce the purpose of cost。
The purpose of the present invention is achieved through the following technical solutions:
The forming method of hammered work intermediate plate hot extrusion through hole, including cope match-plate pattern, lower bolster and arm-tie, cope match-plate pattern, lower bolster and arm-tie are connected by two pull bars being parallel to each other, described cope match-plate pattern is provided with die shank, die shank is provided with punch, lower bolster is provided with two discharge arms, discharge arm is provided with stripper, discharge arm between stripper and lower bolster is set with the spring being in compressive state, stripper is provided with punch case, lower bolster is also equipped with the die matched with punch。During use, the workpiece that blocking is good is put in die, punch press drives cope match-plate pattern, cope match-plate pattern drives punch to move downward, punch initially passes through the through hole of punch case, then could continue to move downward, workpiece be carried out forging extruding, after completing extruding, the spring being in compressive state drives stripper to move upward, when reaching extreme higher position, punch continues up, and workpiece departs from punch under the effect of stripper, after workpiece is ejected, namely can be taken off workpiece, new workpiece is installed, processes next time。Relative to current technique, the mode adopting mould forging is processed into the through hole of anchor work clip sheet, instead of current bore process, save and raw-material made consumption, volume according to work clip sheet through hole with the relation of the cumulative volume of work clip sheet it is known that compare current technique, it is possible to the consumption saved material, reduce machining processes, reduce the purpose of cost about 20%。
Described lower bolster is provided with die holder, in die holder, it is set with die supporter, die supporter is provided with die circle stress, in die circle stress, be set with die, die is connected by taper fit with die circle stress, and die circle stress is fixedly connected on die holder by die locking nut。Further, die is the independent original paper that can change, it is connected with die circle stress by taper fit, die circle stress is that die provides anti-impact force, die circle stress is fixedly connected on die holder by die locking nut, so, it is possible not only to when die damages and changes die, and the model of processing work can be expanded。
Described die supporter is provided with the connection chamber coaxial with die, in this connection chamber, is placed with upper ejector pin, lower bolster is provided with the through hole coaxial with die, footstock is installed in through hole, in footstock, be set with lower push rod。Further, ejecting for the ease of workpiece, it is easy to the taking-up of workpiece, die supporter is provided with connection chamber, lower bolster is provided with through hole, connection chamber, through hole, and the axis of die is respectively positioned on same straight line, the overall circular cylindrical cavity different by two diameters of connection chamber is constituted, wherein, the circular cylindrical cavity that diameter is less connects with the cavity of die, the circular cylindrical cavity being relatively large in diameter is connected with the through hole of lower bolster, the through hole of lower bolster is made up of the Liang Ge cylindrical chamber that diameter is different equally, chamber and the large diameter cylinder type cavity connecting chamber that its diameter is big connect, in connection chamber, upper ejector pin is installed, the diameter of upper ejector pin matches with the small-diameter circular cylinder connecting chamber, the diameter limited block more than upper ejector pin diameter is thereunder installed, upper ejector pin can do motion freely up and down in connection chamber, lower push rod is installed in footstock, after lower push rod moves up and down, upper ejector pin can be promoted to move。By coordinating of lower push rod and upper ejector pin, it is possible to workpiece is ejected in die, it is simple to take out and change。
Described punch is fixedly connected on die shank by punch locking nut, is provided with water pipe head on described punch locking nut。Further, owing to the punch in running order time is longer, its heat being subject to is bigger, in order to lower the temperature to punch, being provided with water pipe head on punch locking nut, water pipe head connects coolant, the normal working temperature of punch can be kept, it is to avoid the too high problem brought of temperature。
The present invention compared with prior art, has such advantages as and beneficial effect:
The forming method of 1 hammered work intermediate plate hot extrusion through hole of the present invention, relative to current technique, the mode adopting mould forging is processed into the through hole of anchor work clip sheet, instead of current bore process, saved and raw-material made consumption, be appreciated that according to the relation of the volume of work clip sheet through hole and the cumulative volume of work clip sheet, compare current technique, the consumption that can save material, reduces machining processes, reduces the purpose of cost about 20%；
The mould that the forming method of 2 hammered work intermediate plate hot extrusion through holes of the present invention uses, by punch first coordinate after centering with punch case together with enter die and shape, prevent product eccentric, can fix after forming height, discharging height, ejection height are adjusted, after ensureing shaping, workpiece height reaches technological requirement, after shaping, punch rises with workpiece, behind setting position, punch separates discharging with punch case and completes, workpiece is ejected by liftout system, take out workpiece, by automatic cooling system, mould being cooled down, mould parts realizes quick-replaceable simultaneously；
The mould that the forming method of 3 hammered work intermediate plate hot extrusion through holes of the present invention uses, novel structure, manufacture simple, cooling automatically, lubrication, discharging, die change time≤10min, the service life of punch reaches 10000/。
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 processes, through the present invention, the Workpiece structure figure obtained。
Labelling and corresponding parts title in accompanying drawing:
201-die shank, 203-water pipe head, 205-punch, 206-die, 207-die circle stress, 208-die locking nut, 209-die holder, 214-cope match-plate pattern, 215-punch locking nut, 216-punch case, 217-upper ejector pin, 218-die supporter, 221-lower push rod, 223-lower bolster, 225-pull bar, 226-footstock, 227-arm-tie, 228-stripper, 229-discharge arm, 230-spring。
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this。
Embodiment
As shown in Figure 1, the forming method of hammered work intermediate plate hot extrusion through hole of the present invention, including cope match-plate pattern 214, lower bolster 223 and arm-tie 227, cope match-plate pattern 214, lower bolster 223 and arm-tie 227 are connected by two pull bars being parallel to each other 225, cope match-plate pattern 214 is provided with die shank 201, being provided with punch 216 on die shank 201, punch 216 is fixedly connected on die shank 201 by punch locking nut 215, is provided with water pipe head 203 on punch locking nut 215；Lower bolster 223 is provided with two discharge arms 229, discharge arm 229 is provided with stripper 228, discharge arm 229 between stripper 228 and lower bolster 223 is set with the spring 230 being in compressive state, stripper 228 is provided with punch case 216, lower bolster 223 is also equipped with die holder 209, die supporter 218 it is set with in die holder 209, die supporter 218 is provided with die circle stress 207, die 206 it is set with in die circle stress 207, die 206 is connected by taper fit with die circle stress 207, die circle stress 207 is fixedly connected on die holder 209 by die locking nut 208；Die supporter 218 is provided with the connection chamber coaxial with die 206, in this connection chamber, is placed with upper ejector pin 217, lower bolster 223 is provided with the through hole coaxial with die 206, footstock 226 is installed in through hole, in footstock 226, be set with lower push rod 221。
The use technique of the forming method of hammered work intermediate plate hot extrusion through hole, comprises the following steps:
(A) blanking: utilize sawing machine blanking, blank is of a size of φ 25 × 33.5；
(B) deburring: utilize the grinder blank deburring to step (A), removes burr, greasy dirt, rust staining and dirt on blank, after blank cleaning is clean, by blank according to different heat (batch) numbers separately；
(C) heating: the clean blank of step (B) is placed intermediate-frequency heating furnace heating, and heating-up temperature is 1100 ± 20 DEG C；
(D) blocking: use 100 tons of punch presses, complete following steps in 5S:
(D1) mould is correctly installed, check whether punch, die align, highly whether correct close, according to product height fine adjusting function after punch case entrance die 20mm；
(D2) opening recirculated cooling water, regulate the flow of die recirculated cooling water according to mold temperature, cooling water can be entered in die, it is 1～5ml/s that cooling water enters the flow of die；
(D3) start, first dry running twice, check that whether punch press is normal；
(D4) the blank clamp after heating is properly placed in die, forges, when slide block returns to after top dead center, take out forging, be transferred to shaping dies；
(E) shape: using 100 tons of punch presses, the forging completing step (D4) is obtained in 5S carries out following steps:
(E1) mould is correctly installed, check whether punch, die align, highly whether correct close, according to product height fine adjusting function after punch case entrance die 14.5mm；
(E2) opening recirculated cooling water, regulate die circulating cooling water flow according to mold temperature, cooling water can be entered in die, it is 1～5ml/s that cooling water enters the flow of die；
(E3) start, first dry running twice, check that whether punch press is normal；
(E4) workpiece clamp good for blocking is properly placed in die, forges, when slide block returns to after top dead center, take out forging, be transferred to shaping mould；
(F) shaping: using 100 tons of punch presses, the forging that step (E) is obtained carries out forward extrusion closed-die forging；Described step (F) needs to complete in 5S, specifically includes following steps:
(F1) mould is correctly installed, check whether punch, die align, highly whether correct close, according to product height fine adjusting function after punch case entrance die 16.5mm；
(F2) opening recirculated cooling water, regulate the flow of die recirculated cooling water according to mold temperature, cooling water can be entered in die, it is 1～5ml/s that cooling water enters the flow of die；
(F3) start, first dry running twice, check that whether punch press is normal；
(F4) the workpiece clamp shaped is properly placed in die, forges, when slide block returns to after top dead center, take out forging；
(G) cooling: the forging that step (F4) obtains is positioned over after lubricating substance groove is cooled to 600 DEG C, forging is hooked in hopper pile cold；
(H) ball blast: the workpiece oxide skin that step (G) obtains is removed completely with shot-blasting machine。
Checking finally according to blank drawing, through statistics, this technique conforming product rate in the experimental stage reaches more than 98%, is significantly larger than the qualification rate of current machinofacture。
The above, be only presently preferred embodiments of the present invention, the present invention not does any pro forma restriction, any simple modification that above example is made by every technical spirit according to the present invention, equivalent variations, each falls within protection scope of the present invention。
Claims (4)
1. the forming method of hammered work intermediate plate hot extrusion through hole, including cope match-plate pattern (214), lower bolster 223), and arm-tie (227), cope match-plate pattern (214), lower bolster (223), and arm-tie (227) is connected by two pull bars being parallel to each other (225), it is characterized in that: on described cope match-plate pattern (214), die shank (201) is installed, die shank (201) is provided with punch (205), lower bolster (223) is provided with two discharge arms (229), discharge arm (229) is provided with stripper (228), discharge arm (229) between stripper (228) and lower bolster (223) is set with the spring (230) being in compressive state, stripper (228) is provided with punch case (216), lower bolster (223) is also equipped with the die (206) matched with punch (205)。
2. the forming method of hammered work intermediate plate hot extrusion through hole according to claim 1, it is characterized in that: on described lower bolster (223), die holder (209) is installed, die supporter (218) it is set with in die holder (209), die supporter (218) is provided with die circle stress (207), die (206) it is set with in die circle stress (207), die (206) is connected by taper fit with die circle stress (207), and die circle stress (207) is fixedly connected on die holder (209) by die locking nut (208)。
3. the forming method of hammered work intermediate plate hot extrusion through hole according to claim 2, it is characterized in that: on described die supporter (218), be provided with the connection chamber coaxial with die, upper ejector pin (217) it is placed with in this connection chamber, lower bolster (223) is provided with the through hole coaxial with die (206), footstock (226) is installed in through hole, in footstock (226), is set with lower push rod (221)。
4. the forming method of hammered work intermediate plate hot extrusion through hole according to claim 1, it is characterized in that: described punch (205) is fixedly connected on die shank (201) by punch locking nut (215), described punch locking nut (215) is provided with water pipe head (203)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700992.9A CN105689619A (en) | 2014-11-28 | 2014-11-28 | Forming method for forging hot-extrusion through hole in working clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700992.9A CN105689619A (en) | 2014-11-28 | 2014-11-28 | Forming method for forging hot-extrusion through hole in working clip |
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| Publication Number | Publication Date |
|---|---|
| CN105689619A true CN105689619A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410700992.9A Pending CN105689619A (en) | 2014-11-28 | 2014-11-28 | Forming method for forging hot-extrusion through hole in working clip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248051A (en) * | 2017-07-13 | 2019-01-22 | 无锡爱思通科技有限公司 | Blind rod nozzle |
-
2014
- 2014-11-28 CN CN201410700992.9A patent/CN105689619A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248051A (en) * | 2017-07-13 | 2019-01-22 | 无锡爱思通科技有限公司 | Blind rod nozzle |
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Application publication date: 20160622 |